/* Copyright (C) 2000-2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/* mysql command tool
 * Commands compatible with mSQL by David J. Hughes
 *
 * Written by:
 *   Michael 'Monty' Widenius
 *   Andi Gutmans  <andi@zend.com>
 *   Zeev Suraski  <zeev@zend.com>
 *   Jani Tolonen  <jani@mysql.com>
 *   Matt Wagner   <matt@mysql.com>
 *   Jeremy Cole   <jcole@mysql.com>
 *   Tonu Samuel   <tonu@mysql.com>
 *   Harrison Fisk <harrison@mysql.com>
 *
 **/

#include "client_priv.h"
#include <m_ctype.h>
#include <stdarg.h>
#include <my_dir.h>
#ifndef __GNU_LIBRARY__
#define __GNU_LIBRARY__		      // Skip warnings in getopt.h
#endif
#include "my_readline.h"
#include <signal.h>
#include <violite.h>

#if defined(USE_LIBEDIT_INTERFACE) && defined(HAVE_LOCALE_H)
#include <locale.h>
#endif

const char *VER= "14.12";

/* Don't try to make a nice table if the data is too big */
#define MAX_COLUMN_LENGTH	     1024

/* Buffer to hold 'version' and 'version_comment' */
#define MAX_SERVER_VERSION_LENGTH     128

gptr sql_alloc(unsigned size);	     // Don't use mysqld alloc for these
void sql_element_free(void *ptr);
#include "sql_string.h"

extern "C" {
#if defined(HAVE_CURSES_H) && defined(HAVE_TERM_H)
#include <curses.h>
#include <term.h>
#else
#if defined(HAVE_TERMIOS_H)
#include <termios.h>
#include <unistd.h>
#elif defined(HAVE_TERMBITS_H)
#include <termbits.h>
#elif defined(HAVE_ASM_TERMBITS_H) && (!defined __GLIBC__ || !(__GLIBC__ > 2 || __GLIBC__ == 2 && __GLIBC_MINOR__ > 0))
#include <asm/termbits.h>		// Standard linux
#endif
#undef VOID
#if defined(HAVE_TERMCAP_H)
#include <termcap.h>
#else
#ifdef HAVE_CURSES_H
#include <curses.h>
#endif
#undef SYSV				// hack to avoid syntax error
#ifdef HAVE_TERM_H
#include <term.h>
#endif
#endif
#endif

#undef bcmp				// Fix problem with new readline
#if defined( __WIN__) || defined(OS2)
#include <conio.h>
#elif !defined(__NETWARE__)
#include <readline/readline.h>
#define HAVE_READLINE
#endif
  //int vidattr(long unsigned int attrs);	// Was missing in sun curses
}

#if !defined(HAVE_VIDATTR)
#undef vidattr
#define vidattr(A) {}			// Can't get this to work
#endif

#ifdef FN_NO_CASE_SENCE
#define cmp_database(cs,A,B) my_strcasecmp((cs), (A), (B))
#else
#define cmp_database(cs,A,B) strcmp((A),(B))
#endif

#if !defined( __WIN__) && !defined( OS2) && !defined(__NETWARE__) && (!defined(HAVE_mit_thread) || !defined(THREAD))
#define USE_POPEN
#endif

#include "completion_hash.h"

#define PROMPT_CHAR '\\'
#define DEFAULT_DELIMITER ";"

typedef struct st_status
{
  int exit_status;
  ulong query_start_line;
  char *file_name;
  LINE_BUFFER *line_buff;
  bool batch,add_to_history;
} STATUS;


static HashTable ht;
static char **defaults_argv;

enum enum_info_type { INFO_INFO,INFO_ERROR,INFO_RESULT};
typedef enum enum_info_type INFO_TYPE;

static MYSQL mysql;			/* The connection */
static my_bool info_flag=0,ignore_errors=0,wait_flag=0,quick=0,
               connected=0,opt_raw_data=0,unbuffered=0,output_tables=0,
	       opt_rehash=1,skip_updates=0,safe_updates=0,one_database=0,
	       opt_compress=0, using_opt_local_infile=0,
	       vertical=0, line_numbers=1, column_names=1,opt_html=0,
               opt_xml=0,opt_nopager=1, opt_outfile=0, named_cmds= 0,
	       tty_password= 0, opt_nobeep=0, opt_reconnect=1,
	       default_charset_used= 0, opt_secure_auth= 0,
               default_pager_set= 0, opt_sigint_ignore= 0,
               show_warnings= 0;
static volatile int executing_query= 0, interrupted_query= 0;
static ulong opt_max_allowed_packet, opt_net_buffer_length;
static uint verbose=0,opt_silent=0,opt_mysql_port=0, opt_local_infile=0;
static my_string opt_mysql_unix_port=0;
static int connect_flag=CLIENT_INTERACTIVE;
static char *current_host,*current_db,*current_user=0,*opt_password=0,
            *current_prompt=0, *delimiter_str= 0,
            *default_charset= (char*) MYSQL_DEFAULT_CHARSET_NAME;
static char *histfile;
static char *histfile_tmp;
static String glob_buffer,old_buffer;
static String processed_prompt;
static char *full_username=0,*part_username=0,*default_prompt=0;
static int wait_time = 5;
static STATUS status;
static ulong select_limit,max_join_size,opt_connect_timeout=0;
static char mysql_charsets_dir[FN_REFLEN+1];
static const char *xmlmeta[] = {
  "&", "&amp;",
  "<", "&lt;",
  ">", "&gt;",
  "\"", "&quot;",
  0, 0
};
static const char *day_names[]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
static const char *month_names[]={"Jan","Feb","Mar","Apr","May","Jun","Jul",
			    "Aug","Sep","Oct","Nov","Dec"};
static char default_pager[FN_REFLEN];
static char pager[FN_REFLEN], outfile[FN_REFLEN];
static FILE *PAGER, *OUTFILE;
static MEM_ROOT hash_mem_root;
static uint prompt_counter;
static char delimiter[16]= DEFAULT_DELIMITER;
static uint delimiter_length= 1;

#ifdef HAVE_SMEM
static char *shared_memory_base_name=0;
#endif
static uint opt_protocol=0;
static CHARSET_INFO *charset_info= &my_charset_latin1;

#include "sslopt-vars.h"

const char *default_dbug_option="d:t:o,/tmp/mysql.trace";

void tee_fprintf(FILE *file, const char *fmt, ...);
void tee_fputs(const char *s, FILE *file);
void tee_puts(const char *s, FILE *file);
void tee_putc(int c, FILE *file);
static void tee_print_sized_data(const char *, unsigned int, unsigned int, bool);
/* The names of functions that actually do the manipulation. */
static int get_options(int argc,char **argv);
static int com_quit(String *str,char*),
	   com_go(String *str,char*), com_ego(String *str,char*),
	   com_print(String *str,char*),
	   com_help(String *str,char*), com_clear(String *str,char*),
	   com_connect(String *str,char*), com_status(String *str,char*),
	   com_use(String *str,char*), com_source(String *str, char*),
	   com_rehash(String *str, char*), com_tee(String *str, char*),
           com_notee(String *str, char*), com_charset(String *str,char*),
           com_prompt(String *str, char*), com_delimiter(String *str, char*),
     com_warnings(String *str, char*), com_nowarnings(String *str, char*);

#ifdef USE_POPEN
static int com_nopager(String *str, char*), com_pager(String *str, char*),
           com_edit(String *str,char*), com_shell(String *str, char *);
#endif

static int read_and_execute(bool interactive);
static int sql_connect(char *host,char *database,char *user,char *password,
		       uint silent);
static const char *server_version_string(MYSQL *mysql);
static int put_info(const char *str,INFO_TYPE info,uint error=0,
		    const char *sql_state=0);
static int put_error(MYSQL *mysql);
static void safe_put_field(const char *pos,ulong length);
static void xmlencode_print(const char *src, uint length);
static void init_pager();
static void end_pager();
static void init_tee(const char *);
static void end_tee();
static const char* construct_prompt();
static char *get_arg(char *line, my_bool get_next_arg);
static void init_username();
static void add_int_to_prompt(int toadd);

/* A structure which contains information on the commands this program
   can understand. */

typedef struct {
  const char *name;		/* User printable name of the function. */
  char cmd_char;		/* msql command character */
  int (*func)(String *str,char *); /* Function to call to do the job. */
  bool takes_params;		/* Max parameters for command */
  const char *doc;		/* Documentation for this function.  */
} COMMANDS;

static COMMANDS commands[] = {
  { "?",      '?', com_help,   1, "Synonym for `help'." },
  { "clear",  'c', com_clear,  0, "Clear command."},
  { "connect",'r', com_connect,1,
    "Reconnect to the server. Optional arguments are db and host." },
  { "delimiter", 'd', com_delimiter,    1,
    "Set statement delimiter. NOTE: Takes the rest of the line as new delimiter." },
#ifdef USE_POPEN
  { "edit",   'e', com_edit,   0, "Edit command with $EDITOR."},
#endif
  { "ego",    'G', com_ego,    0,
    "Send command to mysql server, display result vertically."},
  { "exit",   'q', com_quit,   0, "Exit mysql. Same as quit."},
  { "go",     'g', com_go,     0, "Send command to mysql server." },
  { "help",   'h', com_help,   1, "Display this help." },
#ifdef USE_POPEN
  { "nopager",'n', com_nopager,0, "Disable pager, print to stdout." },
#endif
  { "notee",  't', com_notee,  0, "Don't write into outfile." },
#ifdef USE_POPEN
  { "pager",  'P', com_pager,  1, 
    "Set PAGER [to_pager]. Print the query results via PAGER." },
#endif
  { "print",  'p', com_print,  0, "Print current command." },
  { "prompt", 'R', com_prompt, 1, "Change your mysql prompt."},
  { "quit",   'q', com_quit,   0, "Quit mysql." },
  { "rehash", '#', com_rehash, 0, "Rebuild completion hash." },
  { "source", '.', com_source, 1,
    "Execute an SQL script file. Takes a file name as an argument."},
  { "status", 's', com_status, 0, "Get status information from the server."},
#ifdef USE_POPEN
  { "system", '!', com_shell,  1, "Execute a system shell command."},
#endif
  { "tee",    'T', com_tee,    1, 
    "Set outfile [to_outfile]. Append everything into given outfile." },
  { "use",    'u', com_use,    1,
    "Use another database. Takes database name as argument." },
  { "charset",    'C', com_charset,    1,
    "Switch to another charset. Might be needed for processing binlog with multi-byte charsets." },
  { "warnings", 'W', com_warnings,  0,
    "Show warnings after every statement." },
  { "nowarning", 'w', com_nowarnings, 0,
    "Don't show warnings after every statement." },
  /* Get bash-like expansion for some commands */
  { "create table",     0, 0, 0, ""},
  { "create database",  0, 0, 0, ""},
  { "drop",             0, 0, 0, ""},
  { "select",           0, 0, 0, ""},
  { "insert",           0, 0, 0, ""},
  { "replace",          0, 0, 0, ""},
  { "update",           0, 0, 0, ""},
  { "delete",           0, 0, 0, ""},
  { "explain",          0, 0, 0, ""},
  { "show databases",   0, 0, 0, ""},
  { "show fields from", 0, 0, 0, ""},
  { "show keys from",   0, 0, 0, ""},
  { "show tables",      0, 0, 0, ""},
  { "load data from",   0, 0, 0, ""},
  { "alter table",      0, 0, 0, ""},
  { "set option",       0, 0, 0, ""},
  { "lock tables",      0, 0, 0, ""},
  { "unlock tables",    0, 0, 0, ""},
  { (char *)NULL,       0, 0, 0, ""}
};

static const char *load_default_groups[]= { "mysql","client",0 };
static const char *server_default_groups[]=
{ "server", "embedded", "mysql_SERVER", 0 };

#ifdef HAVE_READLINE
/*
 HIST_ENTRY is defined for libedit, but not for the real readline
 Need to redefine it for real readline to find it
*/
#if !defined(HAVE_HIST_ENTRY)
typedef struct _hist_entry {
  const char      *line;
  const char      *data;
} HIST_ENTRY; 
#endif

extern "C" int add_history(const char *command); /* From readline directory */
extern "C" int read_history(const char *command);
extern "C" int write_history(const char *command);
extern "C" HIST_ENTRY *history_get(int num);
extern "C" int history_length;
static int not_in_history(const char *line);
static void initialize_readline (char *name);
static void fix_history(String *final_command);
#endif

static COMMANDS *find_command(char *name,char cmd_name);
static bool add_line(String &buffer,char *line,char *in_string,
                     bool *ml_comment);
static void remove_cntrl(String &buffer);
static void print_table_data(MYSQL_RES *result);
static void print_table_data_html(MYSQL_RES *result);
static void print_table_data_xml(MYSQL_RES *result);
static void print_tab_data(MYSQL_RES *result);
static void print_table_data_vertically(MYSQL_RES *result);
static void print_warnings(void);
static ulong start_timer(void);
static void end_timer(ulong start_time,char *buff);
static void mysql_end_timer(ulong start_time,char *buff);
static void nice_time(double sec,char *buff,bool part_second);
static sig_handler mysql_end(int sig);
static sig_handler mysql_sigint(int sig);


int main(int argc,char *argv[])
{
  char buff[80];
  char *defaults, *extra_defaults, *group_suffix;
  char *emb_argv[4];
  int emb_argc;

  /* Get --defaults-xxx args for mysql_server_init() */
  emb_argc= get_defaults_options(argc, argv, &defaults, &extra_defaults,
                                 &group_suffix)+1;
  memcpy((char*) emb_argv, (char*) argv, emb_argc * sizeof(*argv));
  emb_argv[emb_argc]= 0;

  MY_INIT(argv[0]);
  DBUG_ENTER("main");
  DBUG_PROCESS(argv[0]);
  
  delimiter_str= delimiter;
  default_prompt = my_strdup(getenv("MYSQL_PS1") ? 
			     getenv("MYSQL_PS1") : 
			     "mysql> ",MYF(MY_WME));
  current_prompt = my_strdup(default_prompt,MYF(MY_WME));
  prompt_counter=0;

  outfile[0]=0;			// no (default) outfile
  strmov(pager, "stdout");	// the default, if --pager wasn't given
  {
    char *tmp=getenv("PAGER");
    if (tmp && strlen(tmp))
    {
      default_pager_set= 1;
      strmov(default_pager, tmp);
    }
  }
  if (!isatty(0) || !isatty(1))
  {
    status.batch=1; opt_silent=1;
    ignore_errors=0;
  }
  else
    status.add_to_history=1;
  status.exit_status=1;

  {
    /* 
     The file descriptor-layer may be out-of-sync with the file-number layer,
     so we make sure that "stdout" is really open.  If its file is closed then
     explicitly close the FD layer. 
    */
    int stdout_fileno_copy;
    stdout_fileno_copy= dup(fileno(stdout)); /* Okay if fileno fails. */
    if (stdout_fileno_copy == -1)
      fclose(stdout);
    else
      close(stdout_fileno_copy);             /* Clean up dup(). */
  }

  load_defaults("my",load_default_groups,&argc,&argv);
  defaults_argv=argv;
  if (get_options(argc, (char **) argv))
  {
    free_defaults(defaults_argv);
    my_end(0);
    exit(1);
  }
  if (status.batch && !status.line_buff &&
      !(status.line_buff=batch_readline_init(opt_max_allowed_packet+512,stdin)))
  {
    free_defaults(defaults_argv);
    my_end(0);
    exit(1);
  }
  if (mysql_server_init(emb_argc, emb_argv, (char**) server_default_groups))
  {
    free_defaults(defaults_argv);
    my_end(0);
    exit(1);
  }
  glob_buffer.realloc(512);
  completion_hash_init(&ht, 128);
  init_alloc_root(&hash_mem_root, 16384, 0);
  bzero((char*) &mysql, sizeof(mysql));
  if (sql_connect(current_host,current_db,current_user,opt_password,
		  opt_silent))
  {
    quick=1;					// Avoid history
    status.exit_status=1;
    mysql_end(-1);
  }
  if (!status.batch)
    ignore_errors=1;				// Don't abort monitor

  if (opt_sigint_ignore)
    signal(SIGINT, SIG_IGN);
  else
    signal(SIGINT, mysql_sigint);		// Catch SIGINT to clean up
  signal(SIGQUIT, mysql_end);			// Catch SIGQUIT to clean up

  put_info("Welcome to the MySQL monitor.  Commands end with ; or \\g.",
	   INFO_INFO);
  sprintf((char*) glob_buffer.ptr(),
	  "Your MySQL connection id is %lu\nServer version: %s\n",
	  mysql_thread_id(&mysql), server_version_string(&mysql));
  put_info((char*) glob_buffer.ptr(),INFO_INFO);

#ifdef HAVE_READLINE
  initialize_readline((char*) my_progname);
  if (!status.batch && !quick && !opt_html && !opt_xml)
  {
    /* read-history from file, default ~/.mysql_history*/
    if (getenv("MYSQL_HISTFILE"))
      histfile=my_strdup(getenv("MYSQL_HISTFILE"),MYF(MY_WME));
    else if (getenv("HOME"))
    {
      histfile=(char*) my_malloc((uint) strlen(getenv("HOME"))
				 + (uint) strlen("/.mysql_history")+2,
				 MYF(MY_WME));
      if (histfile)
	sprintf(histfile,"%s/.mysql_history",getenv("HOME"));
      char link_name[FN_REFLEN];
      if (my_readlink(link_name, histfile, 0) == 0 &&
          strncmp(link_name, "/dev/null", 10) == 0)
      {
        /* The .mysql_history file is a symlink to /dev/null, don't use it */
        my_free(histfile, MYF(MY_ALLOW_ZERO_PTR));
        histfile= 0;
      }
    }
    if (histfile)
    {
      if (verbose)
	tee_fprintf(stdout, "Reading history-file %s\n",histfile);
      read_history(histfile);
      if (!(histfile_tmp= (char*) my_malloc((uint) strlen(histfile) + 5,
					    MYF(MY_WME))))
      {
	fprintf(stderr, "Couldn't allocate memory for temp histfile!\n");
	exit(1);
      }
      sprintf(histfile_tmp, "%s.TMP", histfile);
    }
  }
#endif
  sprintf(buff, "%s",
#ifndef NOT_YET
	  "Type 'help;' or '\\h' for help. Type '\\c' to clear the buffer.\n");
#else
	  "Type 'help [[%]function name[%]]' to get help on usage of function.\n");
#endif
  put_info(buff,INFO_INFO);
  status.exit_status= read_and_execute(!status.batch);
  if (opt_outfile)
    end_tee();
  mysql_end(0);
#ifndef _lint
  DBUG_RETURN(0);				// Keep compiler happy
#endif
}

sig_handler mysql_sigint(int sig)
{
  char kill_buffer[40];
  MYSQL *kill_mysql= NULL;

  signal(SIGINT, mysql_sigint);

  /* terminate if no query being executed, or we already tried interrupting */
  if (!executing_query || interrupted_query++)
    mysql_end(sig);

  kill_mysql= mysql_init(kill_mysql);
  if (!mysql_real_connect(kill_mysql,current_host, current_user, opt_password,
                          "", opt_mysql_port, opt_mysql_unix_port,0))
    mysql_end(sig);
  /* kill_buffer is always big enough because max length of %lu is 15 */
  sprintf(kill_buffer, "KILL /*!50000 QUERY */ %lu", mysql_thread_id(&mysql));
  mysql_real_query(kill_mysql, kill_buffer, strlen(kill_buffer));
  mysql_close(kill_mysql);
  tee_fprintf(stdout, "Query aborted by Ctrl+C\n");
}

sig_handler mysql_end(int sig)
{
  mysql_close(&mysql);
#ifdef HAVE_READLINE
  if (!status.batch && !quick && !opt_html && !opt_xml && histfile)
  {
    /* write-history */
    if (verbose)
      tee_fprintf(stdout, "Writing history-file %s\n",histfile);
    if (!write_history(histfile_tmp))
      my_rename(histfile_tmp, histfile, MYF(MY_WME));
  }
  batch_readline_end(status.line_buff);
  completion_hash_free(&ht);
  free_root(&hash_mem_root,MYF(0));

#endif
  if (sig >= 0)
    put_info(sig ? "Aborted" : "Bye", INFO_RESULT);
  glob_buffer.free();
  old_buffer.free();
  processed_prompt.free();
  my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
  my_free(opt_mysql_unix_port,MYF(MY_ALLOW_ZERO_PTR));
  my_free(histfile,MYF(MY_ALLOW_ZERO_PTR));
  my_free(histfile_tmp,MYF(MY_ALLOW_ZERO_PTR));
  my_free(current_db,MYF(MY_ALLOW_ZERO_PTR));
  my_free(current_host,MYF(MY_ALLOW_ZERO_PTR));
  my_free(current_user,MYF(MY_ALLOW_ZERO_PTR));
  my_free(full_username,MYF(MY_ALLOW_ZERO_PTR));
  my_free(part_username,MYF(MY_ALLOW_ZERO_PTR));
  my_free(default_prompt,MYF(MY_ALLOW_ZERO_PTR));
#ifdef HAVE_SMEM
  my_free(shared_memory_base_name,MYF(MY_ALLOW_ZERO_PTR));
#endif
  my_free(current_prompt,MYF(MY_ALLOW_ZERO_PTR));
  mysql_server_end();
  free_defaults(defaults_argv);
  my_end(info_flag ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
  exit(status.exit_status);
}


static struct my_option my_long_options[] =
{
  {"help", '?', "Display this help and exit.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0,
   0, 0, 0, 0, 0},
  {"help", 'I', "Synonym for -?", 0, 0, 0, GET_NO_ARG, NO_ARG, 0,
   0, 0, 0, 0, 0},
#ifdef __NETWARE__
  {"autoclose", OPT_AUTO_CLOSE, "Auto close the screen on exit for Netware.",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
  {"auto-rehash", OPT_AUTO_REHASH,
   "Enable automatic rehashing. One doesn't need to use 'rehash' to get table and field completion, but startup and reconnecting may take a longer time. Disable with --disable-auto-rehash.",
   (gptr*) &opt_rehash, (gptr*) &opt_rehash, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0,
   0, 0},
  {"no-auto-rehash", 'A',
   "No automatic rehashing. One has to use 'rehash' to get table and field completion. This gives a quicker start of mysql and disables rehashing on reconnect. WARNING: options deprecated; use --disable-auto-rehash instead.",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"batch", 'B',
   "Don't use history file. Disable interactive behavior. (Enables --silent)", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"character-sets-dir", OPT_CHARSETS_DIR,
   "Directory where character sets are.", (gptr*) &charsets_dir,
   (gptr*) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"default-character-set", OPT_DEFAULT_CHARSET,
   "Set the default character set.", (gptr*) &default_charset,
   (gptr*) &default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"compress", 'C', "Use compression in server/client protocol.",
   (gptr*) &opt_compress, (gptr*) &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
   0, 0, 0},
#ifdef DBUG_OFF
  {"debug", '#', "This is a non-debug version. Catch this and exit",
   0,0, 0, GET_DISABLED, OPT_ARG, 0, 0, 0, 0, 0, 0},
#else
  {"debug", '#', "Output debug log", (gptr*) &default_dbug_option,
   (gptr*) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#endif
  {"database", 'D', "Database to use.", (gptr*) &current_db,
   (gptr*) &current_db, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"delimiter", OPT_DELIMITER, "Delimiter to be used.", (gptr*) &delimiter_str,
   (gptr*) &delimiter_str, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"execute", 'e', "Execute command and quit. (Disables --force and history file)", 0,
   0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"vertical", 'E', "Print the output of a query (rows) vertically.",
   (gptr*) &vertical, (gptr*) &vertical, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0,
   0},
  {"force", 'f', "Continue even if we get an sql error.",
   (gptr*) &ignore_errors, (gptr*) &ignore_errors, 0, GET_BOOL, NO_ARG, 0, 0,
   0, 0, 0, 0},
  {"named-commands", 'G',
   "Enable named commands. Named commands mean this program's internal commands; see mysql> help . When enabled, the named commands can be used from any line of the query, otherwise only from the first line, before an enter. Disable with --disable-named-commands. This option is disabled by default.",
   (gptr*) &named_cmds, (gptr*) &named_cmds, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
   0, 0},
  {"no-named-commands", 'g',
   "Named commands are disabled. Use \\* form only, or use named commands only in the beginning of a line ending with a semicolon (;) Since version 10.9 the client now starts with this option ENABLED by default! Disable with '-G'. Long format commands still work from the first line. WARNING: option deprecated; use --disable-named-commands instead.",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"ignore-spaces", 'i', "Ignore space after function names.", 0, 0, 0,
   GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"local-infile", OPT_LOCAL_INFILE, "Enable/disable LOAD DATA LOCAL INFILE.",
   (gptr*) &opt_local_infile,
   (gptr*) &opt_local_infile, 0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
  {"no-beep", 'b', "Turn off beep on error.", (gptr*) &opt_nobeep,
   (gptr*) &opt_nobeep, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0}, 
  {"host", 'h', "Connect to host.", (gptr*) &current_host,
   (gptr*) &current_host, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"html", 'H', "Produce HTML output.", (gptr*) &opt_html, (gptr*) &opt_html,
   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"xml", 'X', "Produce XML output", (gptr*) &opt_xml, (gptr*) &opt_xml, 0,
   GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"line-numbers", OPT_LINE_NUMBERS, "Write line numbers for errors.",
   (gptr*) &line_numbers, (gptr*) &line_numbers, 0, GET_BOOL,
   NO_ARG, 1, 0, 0, 0, 0, 0},  
  {"skip-line-numbers", 'L', "Don't write line number for errors. WARNING: -L is deprecated, use long version of this option instead.", 0, 0, 0, GET_NO_ARG,
   NO_ARG, 0, 0, 0, 0, 0, 0},
  {"unbuffered", 'n', "Flush buffer after each query.", (gptr*) &unbuffered,
   (gptr*) &unbuffered, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"column-names", OPT_COLUMN_NAMES, "Write column names in results.",
   (gptr*) &column_names, (gptr*) &column_names, 0, GET_BOOL,
   NO_ARG, 1, 0, 0, 0, 0, 0},
  {"skip-column-names", 'N',
   "Don't write column names in results. WARNING: -N is deprecated, use long version of this options instead.",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"set-variable", 'O',
   "Change the value of a variable. Please note that this option is deprecated; you can set variables directly with --variable-name=value.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"sigint-ignore", OPT_SIGINT_IGNORE, "Ignore SIGINT (CTRL-C)",
   (gptr*) &opt_sigint_ignore,  (gptr*) &opt_sigint_ignore, 0, GET_BOOL,
   NO_ARG, 0, 0, 0, 0, 0, 0},
  {"one-database", 'o',
   "Only update the default database. This is useful for skipping updates to other database in the update log.",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
#ifdef USE_POPEN
  {"pager", OPT_PAGER,
   "Pager to use to display results. If you don't supply an option the default pager is taken from your ENV variable PAGER. Valid pagers are less, more, cat [> filename], etc. See interactive help (\\h) also. This option does not work in batch mode. Disable with --disable-pager. This option is disabled by default.",
   0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
  {"no-pager", OPT_NOPAGER,
   "Disable pager and print to stdout. See interactive help (\\h) also. WARNING: option deprecated; use --disable-pager instead.",
   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
  {"password", 'p',
   "Password to use when connecting to server. If password is not given it's asked from the tty.",
   0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#ifdef __WIN__
  {"pipe", 'W', "Use named pipes to connect to server.", 0, 0, 0, GET_NO_ARG,
   NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
  {"port", 'P', "Port number to use for connection.", (gptr*) &opt_mysql_port,
   (gptr*) &opt_mysql_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0,
   0},
  {"prompt", OPT_PROMPT, "Set the mysql prompt to this value.",
   (gptr*) &current_prompt, (gptr*) &current_prompt, 0, GET_STR_ALLOC,
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"protocol", OPT_MYSQL_PROTOCOL, "The protocol of connection (tcp,socket,pipe,memory).",
   0, 0, 0, GET_STR,  REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"quick", 'q',
   "Don't cache result, print it row by row. This may slow down the server if the output is suspended. Doesn't use history file.",
   (gptr*) &quick, (gptr*) &quick, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"raw", 'r', "Write fields without conversion. Used with --batch.",
   (gptr*) &opt_raw_data, (gptr*) &opt_raw_data, 0, GET_BOOL, NO_ARG, 0, 0, 0,
   0, 0, 0},
  {"reconnect", OPT_RECONNECT, "Reconnect if the connection is lost. Disable with --disable-reconnect. This option is enabled by default.", 
   (gptr*) &opt_reconnect, (gptr*) &opt_reconnect, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
  {"silent", 's', "Be more silent. Print results with a tab as separator, each row on new line.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0,
   0, 0},
#ifdef HAVE_SMEM
  {"shared-memory-base-name", OPT_SHARED_MEMORY_BASE_NAME,
   "Base name of shared memory.", (gptr*) &shared_memory_base_name, (gptr*) &shared_memory_base_name, 
   0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif
  {"socket", 'S', "Socket file to use for connection.",
   (gptr*) &opt_mysql_unix_port, (gptr*) &opt_mysql_unix_port, 0, GET_STR_ALLOC,
   REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#include "sslopt-longopts.h"
  {"table", 't', "Output in table format.", (gptr*) &output_tables,
   (gptr*) &output_tables, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"debug-info", 'T', "Print some debug info at exit.", (gptr*) &info_flag,
   (gptr*) &info_flag, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"tee", OPT_TEE,
   "Append everything into outfile. See interactive help (\\h) also. Does not work in batch mode. Disable with --disable-tee. This option is disabled by default.",
   0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
  {"no-tee", OPT_NOTEE, "Disable outfile. See interactive help (\\h) also. WARNING: option deprecated; use --disable-tee instead", 0, 0, 0, GET_NO_ARG,
   NO_ARG, 0, 0, 0, 0, 0, 0},
#ifndef DONT_ALLOW_USER_CHANGE
  {"user", 'u', "User for login if not current user.", (gptr*) &current_user,
   (gptr*) &current_user, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif
  {"safe-updates", 'U', "Only allow UPDATE and DELETE that uses keys.",
   (gptr*) &safe_updates, (gptr*) &safe_updates, 0, GET_BOOL, NO_ARG, 0, 0,
   0, 0, 0, 0},
  {"i-am-a-dummy", 'U', "Synonym for option --safe-updates, -U.",
   (gptr*) &safe_updates, (gptr*) &safe_updates, 0, GET_BOOL, NO_ARG, 0, 0,
   0, 0, 0, 0},
  {"verbose", 'v', "Write more. (-v -v -v gives the table output format).", 0,
   0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"version", 'V', "Output version information and exit.", 0, 0, 0,
   GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"wait", 'w', "Wait and retry if connection is down.", 0, 0, 0, GET_NO_ARG,
   NO_ARG, 0, 0, 0, 0, 0, 0},
  {"connect_timeout", OPT_CONNECT_TIMEOUT,
   "Number of seconds before connection timeout.",
   (gptr*) &opt_connect_timeout,
   (gptr*) &opt_connect_timeout, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 3600*12, 0,
   0, 1},
  {"max_allowed_packet", OPT_MAX_ALLOWED_PACKET,
   "Max packet length to send to, or receive from server",
   (gptr*) &opt_max_allowed_packet, (gptr*) &opt_max_allowed_packet, 0, GET_ULONG,
   REQUIRED_ARG, 16 *1024L*1024L, 4096, (longlong) 2*1024L*1024L*1024L,
   MALLOC_OVERHEAD, 1024, 0},
  {"net_buffer_length", OPT_NET_BUFFER_LENGTH,
   "Buffer for TCP/IP and socket communication",
   (gptr*) &opt_net_buffer_length, (gptr*) &opt_net_buffer_length, 0, GET_ULONG,
   REQUIRED_ARG, 16384, 1024, 512*1024*1024L, MALLOC_OVERHEAD, 1024, 0},
  {"select_limit", OPT_SELECT_LIMIT,
   "Automatic limit for SELECT when using --safe-updates",
   (gptr*) &select_limit,
   (gptr*) &select_limit, 0, GET_ULONG, REQUIRED_ARG, 1000L, 1, ~0L, 0, 1, 0},
  {"max_join_size", OPT_MAX_JOIN_SIZE,
   "Automatic limit for rows in a join when using --safe-updates",
   (gptr*) &max_join_size,
   (gptr*) &max_join_size, 0, GET_ULONG, REQUIRED_ARG, 1000000L, 1, ~0L, 0, 1,
   0},
  {"secure-auth", OPT_SECURE_AUTH, "Refuse client connecting to server if it"
    " uses old (pre-4.1.1) protocol", (gptr*) &opt_secure_auth,
    (gptr*) &opt_secure_auth, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
  {"show-warnings", OPT_SHOW_WARNINGS, "Show warnings after every statement.",
    (gptr*) &show_warnings, (gptr*) &show_warnings, 0, GET_BOOL, NO_ARG, 
    0, 0, 0, 0, 0, 0},
  { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};


static void usage(int version)
{
  /* Divert all help information on NetWare to logger screen. */
#ifdef __NETWARE__
#define printf	consoleprintf
#endif

#if defined(USE_LIBEDIT_INTERFACE)
  const char* readline= "";
#else
  const char* readline= "readline";
#endif

#ifdef HAVE_READLINE
  printf("%s  Ver %s Distrib %s, for %s (%s) using %s %s\n",
	 my_progname, VER, MYSQL_SERVER_VERSION, SYSTEM_TYPE, MACHINE_TYPE,
         readline, rl_library_version);
#else
  printf("%s  Ver %s Distrib %s, for %s (%s)\n", my_progname, VER,
	MYSQL_SERVER_VERSION, SYSTEM_TYPE, MACHINE_TYPE);
#endif

  if (version)
    return;
  printf("\
Copyright (C) 2002 MySQL AB\n\
This software comes with ABSOLUTELY NO WARRANTY. This is free software,\n\
and you are welcome to modify and redistribute it under the GPL license\n");
  printf("Usage: %s [OPTIONS] [database]\n", my_progname);
  my_print_help(my_long_options);
  print_defaults("my", load_default_groups);
  my_print_variables(my_long_options);
  NETWARE_SET_SCREEN_MODE(1);
#ifdef __NETWARE__
#undef printf
#endif
}


static my_bool
get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
	       char *argument)
{
  switch(optid) {
#ifdef __NETWARE__
  case OPT_AUTO_CLOSE:
    setscreenmode(SCR_AUTOCLOSE_ON_EXIT);
    break;
#endif
  case OPT_CHARSETS_DIR:
    strmake(mysql_charsets_dir, argument, sizeof(mysql_charsets_dir) - 1);
    charsets_dir = mysql_charsets_dir;
    break;
  case  OPT_DEFAULT_CHARSET:
    default_charset_used= 1;
    break;
  case OPT_DELIMITER:
    if (argument == disabled_my_option) 
    {
      strmov(delimiter, DEFAULT_DELIMITER);
    }
    else 
    {
      /* Check that delimiter does not contain a backslash */
      if (!strstr(argument, "\\")) 
      {
        strmake(delimiter, argument, sizeof(delimiter) - 1);
      }
      else 
      {
        put_info("DELIMITER cannot contain a backslash character", INFO_ERROR);
        return 0;
      } 
    }
    delimiter_length= (uint)strlen(delimiter);
    delimiter_str= delimiter;
    break;
  case OPT_LOCAL_INFILE:
    using_opt_local_infile=1;
    break;
  case OPT_TEE:
    if (argument == disabled_my_option)
    {
      if (opt_outfile)
	end_tee();
    }
    else
      init_tee(argument);
    break;
  case OPT_NOTEE:
    printf("WARNING: option deprecated; use --disable-tee instead.\n");
    if (opt_outfile)
      end_tee();
    break;
  case OPT_PAGER:
    if (argument == disabled_my_option)
      opt_nopager= 1;
    else
    {
      opt_nopager= 0;
      if (argument && strlen(argument))
      {
	default_pager_set= 1;
	strmake(pager, argument, sizeof(pager) - 1);
	strmov(default_pager, pager);
      }
      else if (default_pager_set)
	strmov(pager, default_pager);
      else
	opt_nopager= 1;
    }
    break;
  case OPT_NOPAGER:
    printf("WARNING: option deprecated; use --disable-pager instead.\n");
    opt_nopager= 1;
    break;
  case OPT_MYSQL_PROTOCOL:
  {
    if ((opt_protocol= find_type(argument, &sql_protocol_typelib,0)) <= 0)
    {
      fprintf(stderr, "Unknown option to protocol: %s\n", argument);
      exit(1);
    }
    break;
  }
  break;
  case 'A':
    opt_rehash= 0;
    break;
  case 'N':
    column_names= 0;
    break;
  case 'e':
    status.batch= 1;
    status.add_to_history= 0;
    if (!status.line_buff)
      ignore_errors= 0;                         // do it for the first -e only
    if (!(status.line_buff= batch_readline_command(status.line_buff, argument)))
      return 1;
    break;
  case 'o':
    if (argument == disabled_my_option)
      one_database= 0;
    else
      one_database= skip_updates= 1;
    break;
  case 'p':
    if (argument == disabled_my_option)
      argument= (char*) "";			// Don't require password
    if (argument)
    {
      char *start= argument;
      my_free(opt_password, MYF(MY_ALLOW_ZERO_PTR));
      opt_password= my_strdup(argument, MYF(MY_FAE));
      while (*argument) *argument++= 'x';		// Destroy argument
      if (*start)
	start[1]=0 ;
      tty_password= 0;
    }
    else
      tty_password= 1;
    break;
  case '#':
    DBUG_PUSH(argument ? argument : default_dbug_option);
    info_flag= 1;
    break;
  case 's':
    if (argument == disabled_my_option)
      opt_silent= 0;
    else
      opt_silent++;
    break;
  case 'v':
    if (argument == disabled_my_option)
      verbose= 0;
    else
      verbose++;
    break;
  case 'B':
    status.batch= 1;
    status.add_to_history= 0;
    set_if_bigger(opt_silent,1);                         // more silent
    break;
  case 'W':
#ifdef __WIN__
    opt_protocol = MYSQL_PROTOCOL_PIPE;
#endif
    break;
#include <sslopt-case.h>
  case 'V':
    usage(1);
    exit(0);
  case 'I':
  case '?':
    usage(0);
    exit(0);
  }
  return 0;
}


static int get_options(int argc, char **argv)
{
  char *tmp, *pagpoint;
  int ho_error;
  MYSQL_PARAMETERS *mysql_params= mysql_get_parameters();

  tmp= (char *) getenv("MYSQL_HOST");
  if (tmp)
    current_host= my_strdup(tmp, MYF(MY_WME));

  pagpoint= getenv("PAGER");
  if (!((char*) (pagpoint)))
  {
    strmov(pager, "stdout");
    opt_nopager= 1;
  }
  else
    strmov(pager, pagpoint);
  strmov(default_pager, pager);

  opt_max_allowed_packet= *mysql_params->p_max_allowed_packet;
  opt_net_buffer_length= *mysql_params->p_net_buffer_length;

  if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option)))
    exit(ho_error);

  *mysql_params->p_max_allowed_packet= opt_max_allowed_packet;
  *mysql_params->p_net_buffer_length= opt_net_buffer_length;

  if (status.batch) /* disable pager and outfile in this case */
  {
    strmov(default_pager, "stdout");
    strmov(pager, "stdout");
    opt_nopager= 1;
    default_pager_set= 0;
    opt_outfile= 0;
    opt_reconnect= 0;
    connect_flag= 0; /* Not in interactive mode */
  }
  
  if (strcmp(default_charset, charset_info->csname) &&
      !(charset_info= get_charset_by_csname(default_charset, 
					    MY_CS_PRIMARY, MYF(MY_WME))))
    exit(1);
  if (argc > 1)
  {
    usage(0);
    exit(1);
  }
  if (argc == 1)
  {
    skip_updates= 0;
    my_free(current_db, MYF(MY_ALLOW_ZERO_PTR));
    current_db= my_strdup(*argv, MYF(MY_WME));
  }
  if (tty_password)
    opt_password= get_tty_password(NullS);
  return(0);
}

static int read_and_execute(bool interactive)
{
#if defined(OS2) || defined(__NETWARE__)
  char linebuffer[254];
  String buffer;
#endif
#if defined(__WIN__)
  String tmpbuf;
  String buffer;
#endif

  char	*line;
  char	in_string=0;
  ulong line_number=0;
  bool ml_comment= 0;  
  COMMANDS *com;
  status.exit_status=1;
  
  for (;;)
  {
    if (!interactive)
    {
      line=batch_readline(status.line_buff);
      line_number++;
      if (!glob_buffer.length())
	status.query_start_line=line_number;
    }
    else
    {
      char *prompt= (char*) (ml_comment ? "   /*> " :
                             glob_buffer.is_empty() ?  construct_prompt() :
			     !in_string ? "    -> " :
			     in_string == '\'' ?
			     "    '> " : (in_string == '`' ?
			     "    `> " :
			     "    \"> "));
      if (opt_outfile && glob_buffer.is_empty())
	fflush(OUTFILE);

      interrupted_query= 0;

#if defined( __WIN__) || defined(OS2) || defined(__NETWARE__)
      tee_fputs(prompt, stdout);
#if defined(__NETWARE__)
      line=fgets(linebuffer, sizeof(linebuffer)-1, stdin);
      /* Remove the '\n' */
      if (line)
      {
        char *p = strrchr(line, '\n');
        if (p != NULL)
          *p = '\0';
      }
#elif defined(__WIN__)
      if (!tmpbuf.is_alloced())
        tmpbuf.alloc(65535);
      tmpbuf.length(0);
      buffer.length(0);
      unsigned long clen;
      do
      {
	line= my_cgets((char*)tmpbuf.ptr(), tmpbuf.alloced_length()-1, &clen);
        buffer.append(line, clen);
        /* 
           if we got buffer fully filled than there is a chance that
           something else is still in console input buffer
        */
      } while (tmpbuf.alloced_length() <= clen);
      /* 
        An empty line is returned from my_cgets when there's error reading :
        Ctrl-c for example
      */
      if (line)
        line= buffer.c_ptr();
#else /* OS2 */
      buffer.length(0);
      /* _cgets() expects the buffer size - 3 as the first byte */
      linebuffer[0]= (char) sizeof(linebuffer) - 3;
      do
      {
        line= _cgets(linebuffer);
        buffer.append(line, (unsigned char)linebuffer[1]);
      /*
        If _cgets() gets an input line that is linebuffer[0] bytes
        long, the next call to _cgets() will return immediately with
        linebuffer[1] == 0, and it does the same thing for input that
        is linebuffer[0]-1 bytes long. So it appears that even though
        _cgets() replaces the newline (which is two bytes on Window) with
        a nil, it still needs the space in the linebuffer for it. This is,
        naturally, undocumented.
       */
      } while ((unsigned char)linebuffer[0] <=
               (unsigned char)linebuffer[1] + 1);
      line= buffer.c_ptr();
#endif /* __NETWARE__ */
#else
      if (opt_outfile)
	fputs(prompt, OUTFILE);
      line= readline(prompt);
#endif /* defined( __WIN__) || defined(OS2) || defined(__NETWARE__) */

      /*
        When Ctrl+d or Ctrl+z is pressed, the line may be NULL on some OS
        which may cause coredump.
      */
      if (opt_outfile && line)
	fprintf(OUTFILE, "%s\n", line);
    }
    if (!line)					// End of file
    {
      status.exit_status=0;
      break;
    }
    if (!in_string && (line[0] == '#' ||
		       (line[0] == '-' && line[1] == '-') ||
		       line[0] == 0))
      continue;					// Skip comment lines

    /*
      Check if line is a mysql command line
      (We want to allow help, print and clear anywhere at line start
    */
    if ((named_cmds || glob_buffer.is_empty())
	&& !ml_comment && !in_string && (com=find_command(line,0)))
    {
      if ((*com->func)(&glob_buffer,line) > 0)
	break;
      if (glob_buffer.is_empty())		// If buffer was emptied
	in_string=0;
#ifdef HAVE_READLINE
      if (interactive && status.add_to_history && not_in_history(line))
	add_history(line);
#endif
      continue;
    }
    if (add_line(glob_buffer,line,&in_string,&ml_comment))
      break;
  }
  /* if in batch mode, send last query even if it doesn't end with \g or go */

  if (!interactive && !status.exit_status)
  {
    remove_cntrl(glob_buffer);
    if (!glob_buffer.is_empty())
    {
      status.exit_status=1;
      if (com_go(&glob_buffer,line) <= 0)
	status.exit_status=0;
    }
  }

#if defined( __WIN__) || defined(OS2) || defined(__NETWARE__)
  buffer.free();
#endif
#if defined( __WIN__)
  tmpbuf.free();
#endif

  return status.exit_status;
}


static COMMANDS *find_command(char *name,char cmd_char)
{
  uint len;
  char *end;
  DBUG_ENTER("find_command");
  DBUG_PRINT("enter",("name: '%s'  char: %d", name ? name : "NULL", cmd_char));

  if (!name)
  {
    len=0;
    end=0;
  }
  else
  {
    while (my_isspace(charset_info,*name))
      name++;
    /*
      If there is an \\g in the row or if the row has a delimiter but
      this is not a delimiter command, let add_line() take care of
      parsing the row and calling find_command()
    */
    if (strstr(name, "\\g") || (strstr(name, delimiter) &&
                                !(strlen(name) >= 9 &&
                                  !my_strnncoll(charset_info,
                                                (uchar*) name, 9,
                                                (const uchar*) "delimiter",
                                                9))))
      DBUG_RETURN((COMMANDS *) 0);
    if ((end=strcont(name," \t")))
    {
      len=(uint) (end - name);
      while (my_isspace(charset_info,*end))
	end++;
      if (!*end)
	end=0;					// no arguments to function
    }
    else
      len=(uint) strlen(name);
  }

  for (uint i= 0; commands[i].name; i++)
  {
    if (commands[i].func &&
	((name &&
	  !my_strnncoll(charset_info,(uchar*)name,len,
				     (uchar*)commands[i].name,len) &&
	  !commands[i].name[len] &&
	  (!end || (end && commands[i].takes_params))) ||
	 !name && commands[i].cmd_char == cmd_char))
    {
      DBUG_PRINT("exit",("found command: %s", commands[i].name));
      DBUG_RETURN(&commands[i]);
    }
  }
  DBUG_RETURN((COMMANDS *) 0);
}


static bool add_line(String &buffer,char *line,char *in_string,
                     bool *ml_comment)
{
  uchar inchar;
  char buff[80], *pos, *out;
  COMMANDS *com;
  bool need_space= 0;
  DBUG_ENTER("add_line");

  if (!line[0] && buffer.is_empty())
    DBUG_RETURN(0);
#ifdef HAVE_READLINE
  if (status.add_to_history && line[0] && not_in_history(line))
    add_history(line);
#endif
#ifdef USE_MB
  char *end_of_line=line+(uint) strlen(line);
#endif

  for (pos=out=line ; (inchar= (uchar) *pos) ; pos++)
  {
    if (my_isspace(charset_info,inchar) && out == line && 
        buffer.is_empty())
      continue;
#ifdef USE_MB
    int length;
    if (use_mb(charset_info) &&
        (length= my_ismbchar(charset_info, pos, end_of_line)))
    {
      if (!*ml_comment)
      {
        while (length--)
          *out++ = *pos++;
        pos--;
      }
      else
        pos+= length - 1;
      continue;
    }
#endif
    if (!*ml_comment && inchar == '\\' &&
        !(mysql.server_status & SERVER_STATUS_NO_BACKSLASH_ESCAPES))
    {
      // Found possbile one character command like \c

      if (!(inchar = (uchar) *++pos))
	break;				// readline adds one '\'
      if (*in_string || inchar == 'N')	// \N is short for NULL
      {					// Don't allow commands in string
	*out++='\\';
	*out++= (char) inchar;
	continue;
      }
      if ((com=find_command(NullS,(char) inchar)))
      {
	const String tmp(line,(uint) (out-line), charset_info);
	buffer.append(tmp);
	if ((*com->func)(&buffer,pos-1) > 0)
	  DBUG_RETURN(1);                       // Quit
	if (com->takes_params)
	{
	  for (pos++ ;
	       *pos && (*pos != *delimiter ||
			!is_prefix(pos + 1, delimiter + 1)) ; pos++)
	    ;	// Remove parameters
	  if (!*pos)
	    pos--;
	  else 
	    pos+= delimiter_length - 1; // Point at last delim char
	}
	out=line;
      }
      else
      {
	sprintf(buff,"Unknown command '\\%c'.",inchar);
	if (put_info(buff,INFO_ERROR) > 0)
	  DBUG_RETURN(1);
	*out++='\\';
	*out++=(char) inchar;
	continue;
      }
    }
    else if (!*ml_comment && !*in_string &&
             (*pos == *delimiter && is_prefix(pos + 1, delimiter + 1) ||
              buffer.length() == 0 && (out - line) >= 9 &&
              !my_strcasecmp(charset_info, line, "delimiter")))
    {					
      uint old_delimiter_length= delimiter_length;
      if (out != line)
	buffer.append(line, (uint) (out - line));	// Add this line
      if ((com= find_command(buffer.c_ptr(), 0)))
      {
        if (com->func == com_delimiter)
        {
          /*
            Delimiter wants the get rest of the given line as argument to
            allow one to change ';' to ';;' and back
          */
          char *end= strend(pos);
          buffer.append(pos, (uint) (end - pos));
          /* Ensure pos will point at \0 after the pos+= below */
          pos= end - old_delimiter_length + 1;
        }
	if ((*com->func)(&buffer, buffer.c_ptr()) > 0)
	  DBUG_RETURN(1);                       // Quit
      }
      else
      {
	if (com_go(&buffer, 0) > 0)             // < 0 is not fatal
	  DBUG_RETURN(1);
      }
      buffer.length(0);
      out= line;
      pos+= old_delimiter_length - 1;
    }
    else if (!*ml_comment && (!*in_string && (inchar == '#' ||
			      inchar == '-' && pos[1] == '-' &&
			      my_isspace(charset_info,pos[2]))))
      break;					// comment to end of line
    else if (!*in_string && inchar == '/' && *(pos+1) == '*' &&
	     *(pos+2) != '!')
    {
      pos++;
      *ml_comment= 1;
      if (out != line)
      {
        buffer.append(line,(uint) (out-line));
        out=line;
      }
    }
    else if (*ml_comment && inchar == '*' && *(pos + 1) == '/')
    {
      pos++;
      *ml_comment= 0;
      need_space= 1;
    }      
    else
    {						// Add found char to buffer
      if (inchar == *in_string)
	*in_string= 0;
      else if (!*ml_comment && !*in_string &&
	       (inchar == '\'' || inchar == '"' || inchar == '`'))
	*in_string= (char) inchar;
      if (!*ml_comment)
      {
        if (need_space && !my_isspace(charset_info, (char)inchar))
        {
          *out++= ' ';
          need_space= 0;
        }
	*out++= (char) inchar;
      }
    }
  }
  if (out != line || !buffer.is_empty())
  {
    *out++='\n';
    uint length=(uint) (out-line);
    if (buffer.length() + length >= buffer.alloced_length())
      buffer.realloc(buffer.length()+length+IO_SIZE);
    if (!(*ml_comment) && buffer.append(line,length))
      DBUG_RETURN(1);
  }
  DBUG_RETURN(0);
}

/*****************************************************************
	    Interface to Readline Completion
******************************************************************/

#ifdef HAVE_READLINE

static char *new_command_generator(const char *text, int);
static char **new_mysql_completion (const char *text, int start, int end);

/*
  Tell the GNU Readline library how to complete.  We want to try to complete
  on command names if this is the first word in the line, or on filenames
  if not.
*/

#if defined(USE_NEW_READLINE_INTERFACE) || defined(USE_LIBEDIT_INTERFACE)
char *no_completion(const char*,int)
#else
char *no_completion()
#endif
{
  return 0;					/* No filename completion */
}

/*	glues pieces of history back together if in pieces   */
static void fix_history(String *final_command) 
{
  int total_lines = 1;
  char *ptr = final_command->c_ptr();
  String fixed_buffer; 	/* Converted buffer */
  char str_char = '\0';  /* Character if we are in a string or not */
  
  /* find out how many lines we have and remove newlines */
  while (*ptr != '\0') 
  {
    switch (*ptr) {
      /* string character */
    case '"':
    case '\'':
    case '`':
      if (str_char == '\0')	/* open string */
	str_char = *ptr;
      else if (str_char == *ptr)   /* close string */
	str_char = '\0';
      fixed_buffer.append(ptr,1);
      break;
    case '\n':
      /* 
	 not in string, change to space
	 if in string, leave it alone 
      */
      fixed_buffer.append(str_char == '\0' ? " " : "\n");
      total_lines++;
      break;
    case '\\':
      fixed_buffer.append('\\');
      /* need to see if the backslash is escaping anything */
      if (str_char) 
      {
	ptr++;
	/* special characters that need escaping */
	if (*ptr == '\'' || *ptr == '"' || *ptr == '\\')
	  fixed_buffer.append(ptr,1);
	else
	  ptr--;
      }
      break;
      
    default:
      fixed_buffer.append(ptr,1);
    }
    ptr++;
  }
  if (total_lines > 1)			
    add_history(fixed_buffer.ptr());
}

/*	
  returns 0 if line matches the previous history entry
  returns 1 if the line doesn't match the previous history entry
*/
static int not_in_history(const char *line) 
{
  HIST_ENTRY *oldhist = history_get(history_length);
  
  if (oldhist == 0)
    return 1;
  if (strcmp(oldhist->line,line) == 0)
    return 0;
  return 1;
}

static void initialize_readline (char *name)
{
  /* Allow conditional parsing of the ~/.inputrc file. */
  rl_readline_name = name;

  /* Tell the completer that we want a crack first. */
#if defined(USE_NEW_READLINE_INTERFACE)
  rl_attempted_completion_function= (rl_completion_func_t*)&new_mysql_completion;
  rl_completion_entry_function= (rl_compentry_func_t*)&no_completion;
#elif defined(USE_LIBEDIT_INTERFACE)
#ifdef HAVE_LOCALE_H
  setlocale(LC_ALL,""); /* so as libedit use isprint */
#endif
  rl_attempted_completion_function= (CPPFunction*)&new_mysql_completion;
  rl_completion_entry_function= &no_completion;
#else
  rl_attempted_completion_function= (CPPFunction*)&new_mysql_completion;
  rl_completion_entry_function= &no_completion;
#endif
}

/*
  Attempt to complete on the contents of TEXT.  START and END show the
  region of TEXT that contains the word to complete.  We can use the
  entire line in case we want to do some simple parsing.  Return the
  array of matches, or NULL if there aren't any.
*/

static char **new_mysql_completion (const char *text,
				    int start __attribute__((unused)),
				    int end __attribute__((unused)))
{
  if (!status.batch && !quick)
#if defined(USE_NEW_READLINE_INTERFACE)
    return rl_completion_matches(text, new_command_generator);
#else
    return completion_matches((char *)text, (CPFunction *)new_command_generator);
#endif
  else
    return (char**) 0;
}

static char *new_command_generator(const char *text,int state)
{
  static int textlen;
  char *ptr;
  static Bucket *b;
  static entry *e;
  static uint i;

  if (!state)
    textlen=(uint) strlen(text);

  if (textlen>0)
  {						/* lookup in the hash */
    if (!state)
    {
      uint len;

      b = find_all_matches(&ht,text,(uint) strlen(text),&len);
      if (!b)
	return NullS;
      e = b->pData;
    }

    if (e)
    {
      ptr= strdup(e->str);
      e = e->pNext;
      return ptr;
    }
  }
  else
  { /* traverse the entire hash, ugly but works */

    if (!state)
    {
      /* find the first used bucket */
      for (i=0 ; i < ht.nTableSize ; i++)
      {
	if (ht.arBuckets[i])
	{
	  b = ht.arBuckets[i];
	  e = b->pData;
	  break;
	}
      }
    }
    ptr= NullS;
    while (e && !ptr)
    {					/* find valid entry in bucket */
      if ((uint) strlen(e->str) == b->nKeyLength)
	ptr = strdup(e->str);
      /* find the next used entry */
      e = e->pNext;
      if (!e)
      { /* find the next used bucket */
	b = b->pNext;
	if (!b)
	{
	  for (i++ ; i<ht.nTableSize; i++)
	  {
	    if (ht.arBuckets[i])
	    {
	      b = ht.arBuckets[i];
	      e = b->pData;
	      break;
	    }
	  }
	}
	else
	  e = b->pData;
      }
    }
    if (ptr)
      return ptr;
  }
  return NullS;
}


/* Build up the completion hash */

static void build_completion_hash(bool rehash, bool write_info)
{
  COMMANDS *cmd=commands;
  MYSQL_RES *databases=0,*tables=0;
  MYSQL_RES *fields;
  static char ***field_names= 0;
  MYSQL_ROW database_row,table_row;
  MYSQL_FIELD *sql_field;
  char buf[NAME_LEN*2+2];		 // table name plus field name plus 2
  int i,j,num_fields;
  DBUG_ENTER("build_completion_hash");

  if (status.batch || quick || !current_db)
    DBUG_VOID_RETURN;			// We don't need completion in batches

  /* hash SQL commands */
  while (cmd->name) {
    add_word(&ht,(char*) cmd->name);
    cmd++;
  }
  if (!rehash)
    DBUG_VOID_RETURN;

  /* Free old used memory */
  if (field_names)
    field_names=0;
  completion_hash_clean(&ht);
  free_root(&hash_mem_root,MYF(0));

  /* hash MySQL functions (to be implemented) */

  /* hash all database names */
  if (mysql_query(&mysql,"show databases") == 0)
  {
    if (!(databases = mysql_store_result(&mysql)))
      put_info(mysql_error(&mysql),INFO_INFO);
    else
    {
      while ((database_row=mysql_fetch_row(databases)))
      {
	char *str=strdup_root(&hash_mem_root, (char*) database_row[0]);
	if (str)
	  add_word(&ht,(char*) str);
      }
      mysql_free_result(databases);
    }
  }
  /* hash all table names */
  if (mysql_query(&mysql,"show tables")==0)
  {
    if (!(tables = mysql_store_result(&mysql)))
      put_info(mysql_error(&mysql),INFO_INFO);
    else
    {
      if (mysql_num_rows(tables) > 0 && !opt_silent && write_info)
      {
	tee_fprintf(stdout, "\
Reading table information for completion of table and column names\n\
You can turn off this feature to get a quicker startup with -A\n\n");
      }
      while ((table_row=mysql_fetch_row(tables)))
      {
	char *str=strdup_root(&hash_mem_root, (char*) table_row[0]);
	if (str &&
	    !completion_hash_exists(&ht,(char*) str, (uint) strlen(str)))
	  add_word(&ht,str);
      }
    }
  }

  /* hash all field names, both with the table prefix and without it */
  if (!tables)					/* no tables */
  {
    DBUG_VOID_RETURN;
  }
  mysql_data_seek(tables,0);
  if (!(field_names= (char ***) alloc_root(&hash_mem_root,sizeof(char **) *
					   (uint) (mysql_num_rows(tables)+1))))
  {
    mysql_free_result(tables);
    DBUG_VOID_RETURN;
  }
  i=0;
  while ((table_row=mysql_fetch_row(tables)))
  {
    if ((fields=mysql_list_fields(&mysql,(const char*) table_row[0],NullS)))
    {
      num_fields=mysql_num_fields(fields);
      if (!(field_names[i] = (char **) alloc_root(&hash_mem_root,
						  sizeof(char *) *
						  (num_fields*2+1))))
      {
        mysql_free_result(fields);
        break;
      }
      field_names[i][num_fields*2]= '\0';
      j=0;
      while ((sql_field=mysql_fetch_field(fields)))
      {
	sprintf(buf,"%.64s.%.64s",table_row[0],sql_field->name);
	field_names[i][j] = strdup_root(&hash_mem_root,buf);
	add_word(&ht,field_names[i][j]);
	field_names[i][num_fields+j] = strdup_root(&hash_mem_root,
						   sql_field->name);
	if (!completion_hash_exists(&ht,field_names[i][num_fields+j],
				    (uint) strlen(field_names[i][num_fields+j])))
	  add_word(&ht,field_names[i][num_fields+j]);
	j++;
      }
      mysql_free_result(fields);
    }
    else
      field_names[i]= 0;

    i++;
  }
  mysql_free_result(tables);
  field_names[i]=0;				// End pointer
  DBUG_VOID_RETURN;
}

	/* for gnu readline */

#ifndef HAVE_INDEX
extern "C" {
extern char *index(const char *,int c),*rindex(const char *,int);

char *index(const char *s,int c)
{
  for (;;)
  {
     if (*s == (char) c) return (char*) s;
     if (!*s++) return NullS;
  }
}

char *rindex(const char *s,int c)
{
  reg3 char *t;

  t = NullS;
  do if (*s == (char) c) t = (char*) s; while (*s++);
  return (char*) t;
}
}
#endif
#endif /* HAVE_READLINE */


static int reconnect(void)
{
  /* purecov: begin tested */
  if (opt_reconnect)
  {
    put_info("No connection. Trying to reconnect...",INFO_INFO);
    (void) com_connect((String *) 0, 0);
    if (opt_rehash)
      com_rehash(NULL, NULL);
  }
  if (!connected)
    return put_info("Can't connect to the server\n",INFO_ERROR);
  /* purecov: end */
  return 0;
}

static void get_current_db()
{
  MYSQL_RES *res;

  my_free(current_db, MYF(MY_ALLOW_ZERO_PTR));
  current_db= NULL;
  /* In case of error below current_db will be NULL */
  if (!mysql_query(&mysql, "SELECT DATABASE()") &&
      (res= mysql_use_result(&mysql)))
  {
    MYSQL_ROW row= mysql_fetch_row(res);
    if (row[0])
      current_db= my_strdup(row[0], MYF(MY_WME));
    mysql_free_result(res);
  }
}

/***************************************************************************
 The different commands
***************************************************************************/

int mysql_real_query_for_lazy(const char *buf, int length)
{
  for (uint retry=0;; retry++)
  {
    int error;
    if (!mysql_real_query(&mysql,buf,length))
      return 0;
    error= put_error(&mysql);
    if (mysql_errno(&mysql) != CR_SERVER_GONE_ERROR || retry > 1 ||
        !opt_reconnect)
      return error;
    if (reconnect())
      return error;
  }
}

int mysql_store_result_for_lazy(MYSQL_RES **result)
{
  if ((*result=mysql_store_result(&mysql)))
    return 0;

  if (mysql_error(&mysql)[0])
    return put_error(&mysql);
  return 0;
}

static void print_help_item(MYSQL_ROW *cur, int num_name, int num_cat, char *last_char)
{
  char ccat= (*cur)[num_cat][0];
  if (*last_char != ccat)
  {
    put_info(ccat == 'Y' ? "categories:" : "topics:", INFO_INFO);
    *last_char= ccat;
  }
  tee_fprintf(PAGER, "   %s\n", (*cur)[num_name]);
}


static int com_server_help(String *buffer __attribute__((unused)),
			   char *line __attribute__((unused)), char *help_arg)
{
  MYSQL_ROW cur;
  const char *server_cmd= buffer->ptr();
  char cmd_buf[100];
  MYSQL_RES *result;
  int error;
  
  if (help_arg[0] != '\'')
  {
	char *end_arg= strend(help_arg);
	if(--end_arg)
	{
		while (my_isspace(charset_info,*end_arg))
          end_arg--;
		*++end_arg= '\0';
	}
	(void) strxnmov(cmd_buf, sizeof(cmd_buf), "help '", help_arg, "'", NullS);
    server_cmd= cmd_buf;
  }
  
  if (!status.batch)
  {
    old_buffer= *buffer;
    old_buffer.copy();
  }

  if (!connected && reconnect())
    return 1;

  if ((error= mysql_real_query_for_lazy(server_cmd,(int)strlen(server_cmd))) ||
      (error= mysql_store_result_for_lazy(&result)))
    return error;

  if (result)
  {
    unsigned int num_fields= mysql_num_fields(result);
    my_ulonglong num_rows= mysql_num_rows(result);
    mysql_fetch_fields(result);
    if (num_fields==3 && num_rows==1)
    {
      if (!(cur= mysql_fetch_row(result)))
      {
	error= -1;
	goto err;
      }

      init_pager();
      tee_fprintf(PAGER,   "Name: \'%s\'\n", cur[0]);
      tee_fprintf(PAGER,   "Description:\n%s", cur[1]);
      if (cur[2] && *((char*)cur[2]))
	tee_fprintf(PAGER, "Examples:\n%s", cur[2]);
      tee_fprintf(PAGER,   "\n");
      end_pager();
    }
    else if (num_fields >= 2 && num_rows)
    {
      init_pager();
      char last_char= 0;

      int num_name= 0, num_cat= 0;
      LINT_INIT(num_name);
      LINT_INIT(num_cat);

      if (num_fields == 2)
      {
	put_info("Many help items for your request exist.", INFO_INFO);
	put_info("To make a more specific request, please type 'help <item>',\nwhere <item> is one of the following", INFO_INFO);
	num_name= 0;
	num_cat= 1;
      }
      else if ((cur= mysql_fetch_row(result)))
      {
	tee_fprintf(PAGER, "You asked for help about help category: \"%s\"\n", cur[0]);
	put_info("For more information, type 'help <item>', where <item> is one of the following", INFO_INFO);
	num_name= 1;
	num_cat= 2;
	print_help_item(&cur,1,2,&last_char);
      }

      while ((cur= mysql_fetch_row(result)))
	print_help_item(&cur,num_name,num_cat,&last_char);
      tee_fprintf(PAGER, "\n");
      end_pager();
    }
    else
    {
      put_info("\nNothing found", INFO_INFO);
      put_info("Please try to run 'help contents' for a list of all accessible topics\n", INFO_INFO);
    }
  }

err:
  mysql_free_result(result);
  return error;
}

static int
com_help(String *buffer __attribute__((unused)),
	 char *line __attribute__((unused)))
{
  reg1 int i, j;
  char * help_arg= strchr(line,' '), buff[32], *end;
  if (help_arg)
  {
    while (my_isspace(charset_info,*help_arg))
      help_arg++;
	if (*help_arg)	  
	  return com_server_help(buffer,line,help_arg);
  }

  put_info("\nFor information about MySQL products and services, visit:\n"
           "   http://www.mysql.com/\n"
           "For developer information, including the MySQL Reference Manual, "
           "visit:\n"
           "   http://dev.mysql.com/\n"
           "To buy MySQL Network Support, training, or other products, visit:\n"
           "   https://shop.mysql.com/\n", INFO_INFO);
  put_info("List of all MySQL commands:", INFO_INFO);
  if (!named_cmds)
    put_info("Note that all text commands must be first on line and end with ';'",INFO_INFO);
  for (i = 0; commands[i].name; i++)
  {
    end= strmov(buff, commands[i].name);
    for (j= (int)strlen(commands[i].name); j < 10; j++)
      end= strmov(end, " ");
    if (commands[i].func)
      tee_fprintf(stdout, "%s(\\%c) %s\n", buff,
		  commands[i].cmd_char, commands[i].doc);
  }
  if (connected && mysql_get_server_version(&mysql) >= 40100)
    put_info("\nFor server side help, type 'help contents'\n", INFO_INFO);
  return 0;
}


	/* ARGSUSED */
static int
com_clear(String *buffer,char *line __attribute__((unused)))
{
#ifdef HAVE_READLINE
  if (status.add_to_history)
    fix_history(buffer);
#endif
  buffer->length(0);
  return 0;
}

	/* ARGSUSED */
static int
com_charset(String *buffer __attribute__((unused)), char *line)
{
  char buff[256], *param;
  CHARSET_INFO * new_cs;
  strmake(buff, line, sizeof(buff) - 1);
  param= get_arg(buff, 0);
  if (!param || !*param)
  {
    return put_info("Usage: \\C char_setname | charset charset_name", 
		    INFO_ERROR, 0);
  }
  new_cs= get_charset_by_csname(param, MY_CS_PRIMARY, MYF(MY_WME));
  if (new_cs)
  {
    charset_info= new_cs;
    mysql_set_character_set(&mysql, charset_info->csname);
    default_charset= (char *)charset_info->csname;
    default_charset_used= 1;
    put_info("Charset changed", INFO_INFO);
  }
  else put_info("Charset is not found", INFO_INFO);
  return 0;
}

/*
  Execute command
  Returns: 0  if ok
          -1 if not fatal error
	  1  if fatal error
*/


static int
com_go(String *buffer,char *line __attribute__((unused)))
{
  char		buff[200], time_buff[32], *pos;
  MYSQL_RES	*result;
  ulong		timer, warnings;
  uint		error= 0;
  int           err= 0;

  if (!status.batch)
  {
    old_buffer= *buffer;			// Save for edit command
    old_buffer.copy();
  }

  /* Remove garbage for nicer messages */
  LINT_INIT(buff[0]);
  remove_cntrl(*buffer);

  if (buffer->is_empty())
  {
    if (status.batch)				// Ignore empty quries
      return 0;
    return put_info("No query specified\n",INFO_ERROR);

  }
  if (!connected && reconnect())
  {
    buffer->length(0);				// Remove query on error
    return opt_reconnect ? -1 : 1;          // Fatal error
  }
  if (verbose)
    (void) com_print(buffer,0);

  if (skip_updates &&
      (buffer->length() < 4 || my_strnncoll(charset_info,
					    (const uchar*)buffer->ptr(),4,
					    (const uchar*)"SET ",4)))
  {
    (void) put_info("Ignoring query to other database",INFO_INFO);
    return 0;
  }

  timer=start_timer();

  executing_query= 1;

  error= mysql_real_query_for_lazy(buffer->ptr(),buffer->length());

#ifdef HAVE_READLINE
  if (status.add_to_history) 
  {  
    buffer->append(vertical ? "\\G" : delimiter);
    /* Append final command onto history */
    fix_history(buffer);
  }
#endif

  if (error)
  {
    buffer->length(0); // Remove query on error
    executing_query= 0;
    return error;
  }
  error=0;
  buffer->length(0);

  do
  {
    if (quick)
    {
      if (!(result=mysql_use_result(&mysql)) && mysql_field_count(&mysql))
      {
        executing_query= 0;
	return put_error(&mysql);
      }
    }
    else
    {
      error= mysql_store_result_for_lazy(&result);
      if (error)
      {
        executing_query= 0;
	return error;
      }
    }

    if (verbose >= 3 || !opt_silent)
      mysql_end_timer(timer,time_buff);
    else
      time_buff[0]=0;
    if (result)
    {
      if (!mysql_num_rows(result) && ! quick && !info_flag)
      {
	strmov(buff, "Empty set");
        if (opt_xml)
        { 
          /*
            We must print XML header and footer
            to produce a well-formed XML even if
            the result set is empty (Bug#27608).
          */
          init_pager();
          print_table_data_xml(result);
          end_pager();
        }
      }
      else
      {
	init_pager();
	if (opt_html)
	  print_table_data_html(result);
	else if (opt_xml)
	  print_table_data_xml(result);
	else if (vertical)
	  print_table_data_vertically(result);
	else if (opt_silent && verbose <= 2 && !output_tables)
	  print_tab_data(result);
	else
	  print_table_data(result);
	sprintf(buff,"%ld %s in set",
		(long) mysql_num_rows(result),
		(long) mysql_num_rows(result) == 1 ? "row" : "rows");
	end_pager();
        if (mysql_errno(&mysql))
          error= put_error(&mysql);
      }
    }
    else if (mysql_affected_rows(&mysql) == ~(ulonglong) 0)
      strmov(buff,"Query OK");
    else
      sprintf(buff,"Query OK, %ld %s affected",
	      (long) mysql_affected_rows(&mysql),
	      (long) mysql_affected_rows(&mysql) == 1 ? "row" : "rows");

    pos=strend(buff);
    if ((warnings= mysql_warning_count(&mysql)))
    {
      *pos++= ',';
      *pos++= ' ';
      pos=int10_to_str(warnings, pos, 10);
      pos=strmov(pos, " warning");
      if (warnings != 1)
	*pos++= 's';
    }
    strmov(pos, time_buff);
    put_info(buff,INFO_RESULT);
    if (mysql_info(&mysql))
      put_info(mysql_info(&mysql),INFO_RESULT);
    put_info("",INFO_RESULT);			// Empty row

    if (result && !mysql_eof(result))	/* Something wrong when using quick */
      error= put_error(&mysql);
    else if (unbuffered)
      fflush(stdout);
    mysql_free_result(result);
  } while (!(err= mysql_next_result(&mysql)));

  executing_query= 0;

  if (err >= 1)
    error= put_error(&mysql);

  if (show_warnings == 1 && warnings >= 1) /* Show warnings if any */
  {
    init_pager();
    print_warnings();
    end_pager();
  }

  if (!error && !status.batch && 
      (mysql.server_status & SERVER_STATUS_DB_DROPPED))
    get_current_db();

  return error;				/* New command follows */
}


static void init_pager()
{
#ifdef USE_POPEN
  if (!opt_nopager)
  {
    if (!(PAGER= popen(pager, "w")))
    {
      tee_fprintf(stdout, "popen() failed! defaulting PAGER to stdout!\n");
      PAGER= stdout;
    }
  }
  else
#endif
    PAGER= stdout;
}

static void end_pager()
{
#ifdef USE_POPEN
  if (!opt_nopager)
    pclose(PAGER);
#endif
}


static void init_tee(const char *file_name)
{
  FILE* new_outfile;
  if (opt_outfile)
    end_tee();
  if (!(new_outfile= my_fopen(file_name, O_APPEND | O_WRONLY, MYF(MY_WME))))
  {
    tee_fprintf(stdout, "Error logging to file '%s'\n", file_name);
    return;
  }
  OUTFILE = new_outfile;
  strmake(outfile, file_name, FN_REFLEN-1);
  tee_fprintf(stdout, "Logging to file '%s'\n", file_name);
  opt_outfile= 1;
  return;
}


static void end_tee()
{
  my_fclose(OUTFILE, MYF(0));
  OUTFILE= 0;
  opt_outfile= 0;
  return;
}


static int
com_ego(String *buffer,char *line)
{
  int result;
  bool oldvertical=vertical;
  vertical=1;
  result=com_go(buffer,line);
  vertical=oldvertical;
  return result;
}


static const char *fieldtype2str(enum enum_field_types type)
{
  switch (type) {
    case FIELD_TYPE_BIT:         return "BIT";
    case FIELD_TYPE_BLOB:        return "BLOB";
    case FIELD_TYPE_DATE:        return "DATE";
    case FIELD_TYPE_DATETIME:    return "DATETIME";
    case FIELD_TYPE_NEWDECIMAL:  return "NEWDECIMAL";
    case FIELD_TYPE_DECIMAL:     return "DECIMAL";
    case FIELD_TYPE_DOUBLE:      return "DOUBLE";
    case FIELD_TYPE_ENUM:        return "ENUM";
    case FIELD_TYPE_FLOAT:       return "FLOAT";
    case FIELD_TYPE_GEOMETRY:    return "GEOMETRY";
    case FIELD_TYPE_INT24:       return "INT24";
    case FIELD_TYPE_LONG:        return "LONG";
    case FIELD_TYPE_LONGLONG:    return "LONGLONG";
    case FIELD_TYPE_LONG_BLOB:   return "LONG_BLOB";
    case FIELD_TYPE_MEDIUM_BLOB: return "MEDIUM_BLOB";
    case FIELD_TYPE_NEWDATE:     return "NEWDATE";
    case FIELD_TYPE_NULL:        return "NULL";
    case FIELD_TYPE_SET:         return "SET";
    case FIELD_TYPE_SHORT:       return "SHORT";
    case FIELD_TYPE_STRING:      return "STRING";
    case FIELD_TYPE_TIME:        return "TIME";
    case FIELD_TYPE_TIMESTAMP:   return "TIMESTAMP";
    case FIELD_TYPE_TINY:        return "TINY";
    case FIELD_TYPE_TINY_BLOB:   return "TINY_BLOB";
    case FIELD_TYPE_VAR_STRING:  return "VAR_STRING";
    case FIELD_TYPE_YEAR:        return "YEAR";
    default:                     return "?-unknown-?";
  }
}

static char *fieldflags2str(uint f) {
  static char buf[1024];
  char *s=buf;
  *s=0;
#define ff2s_check_flag(X) \
                if (f & X ## _FLAG) { s=strmov(s, # X " "); f &= ~ X ## _FLAG; }
  ff2s_check_flag(NOT_NULL);
  ff2s_check_flag(PRI_KEY);
  ff2s_check_flag(UNIQUE_KEY);
  ff2s_check_flag(MULTIPLE_KEY);
  ff2s_check_flag(BLOB);
  ff2s_check_flag(UNSIGNED);
  ff2s_check_flag(ZEROFILL);
  ff2s_check_flag(BINARY);
  ff2s_check_flag(ENUM);
  ff2s_check_flag(AUTO_INCREMENT);
  ff2s_check_flag(TIMESTAMP);
  ff2s_check_flag(SET);
  ff2s_check_flag(NO_DEFAULT_VALUE);
  ff2s_check_flag(NUM);
  ff2s_check_flag(PART_KEY);
  ff2s_check_flag(GROUP);
  ff2s_check_flag(UNIQUE);
  ff2s_check_flag(BINCMP);
#undef ff2s_check_flag
  if (f)
    sprintf(s, " unknows=0x%04x", f);
  return buf;
}

static void
print_field_types(MYSQL_RES *result)
{
  MYSQL_FIELD   *field;
  uint i=0;

  while ((field = mysql_fetch_field(result)))
  {
    tee_fprintf(PAGER, "Field %3u:  `%s`\n"
                       "Catalog:    `%s`\n"
                       "Database:   `%s`\n"
                       "Table:      `%s`\n"
                       "Org_table:  `%s`\n"
                       "Type:       %s\n"
                       "Collation:  %s (%u)\n"
                       "Length:     %lu\n"
                       "Max_length: %lu\n"
                       "Decimals:   %u\n"
                       "Flags:      %s\n\n",
                ++i,
                field->name, field->catalog, field->db, field->table,
                field->org_table, fieldtype2str(field->type),
                get_charset_name(field->charsetnr), field->charsetnr,
                field->length, field->max_length, field->decimals,
                fieldflags2str(field->flags));
  }
  tee_puts("", PAGER);
}


static void
print_table_data(MYSQL_RES *result)
{
  String separator(256);
  MYSQL_ROW	cur;
  MYSQL_FIELD	*field;
  bool		*num_flag;

  num_flag=(bool*) my_alloca(sizeof(bool)*mysql_num_fields(result));
  if (info_flag)
  {
    print_field_types(result);
    if (!mysql_num_rows(result))
      return;
    mysql_field_seek(result,0);
  }
  separator.copy("+",1,charset_info);
  while ((field = mysql_fetch_field(result)))
  {
    uint length= column_names ? field->name_length : 0;
    if (quick)
      length=max(length,field->length);
    else
      length=max(length,field->max_length);
    if (length < 4 && !IS_NOT_NULL(field->flags))
      length=4;					// Room for "NULL"
    field->max_length=length;
    separator.fill(separator.length()+length+2,'-');
    separator.append('+');
  }
  separator.append('\0');                       // End marker for \0
  tee_puts((char*) separator.ptr(), PAGER);
  if (column_names)
  {
    mysql_field_seek(result,0);
    (void) tee_fputs("|", PAGER);
    for (uint off=0; (field = mysql_fetch_field(result)) ; off++)
    {
      uint name_length= (uint) strlen(field->name);
      uint numcells= charset_info->cset->numcells(charset_info,
                                                  field->name,
                                                  field->name + name_length);
      uint display_length= field->max_length + name_length - numcells;
      tee_fprintf(PAGER, " %-*s |",(int) min(display_length,
                                            MAX_COLUMN_LENGTH),
                  field->name);
      num_flag[off]= IS_NUM(field->type);
    }
    (void) tee_fputs("\n", PAGER);
    tee_puts((char*) separator.ptr(), PAGER);
  }

  while ((cur= mysql_fetch_row(result)))
  {
    ulong *lengths= mysql_fetch_lengths(result);
    (void) tee_fputs("| ", PAGER);
    mysql_field_seek(result, 0);
    for (uint off= 0; off < mysql_num_fields(result); off++)
    {
      const char *buffer;
      uint data_length;
      uint field_max_length;
      uint visible_length;
      uint extra_padding;

      /* If this column may have a null value, use "NULL" for empty.  */
      if (cur[off] == NULL)
      {
        buffer= "NULL";
        data_length= 4;
      } 
      else 
      {
        buffer= cur[off];
        data_length= (uint) lengths[off];
      }

      field= mysql_fetch_field(result);
      field_max_length= field->max_length;

      /* 
       How many text cells on the screen will this string span?  If it contains
       multibyte characters, then the number of characters we occupy on screen
       will be fewer than the number of bytes we occupy in memory.

       We need to find how much screen real-estate we will occupy to know how 
       many extra padding-characters we should send with the printing function.
      */
      visible_length= charset_info->cset->numcells(charset_info, buffer, buffer + data_length);
      extra_padding= data_length - visible_length;

      if (field_max_length > MAX_COLUMN_LENGTH)
        tee_print_sized_data(buffer, data_length, MAX_COLUMN_LENGTH+extra_padding, FALSE);
      else
      {
        if (num_flag[off] != 0) /* if it is numeric, we right-justify it */
          tee_print_sized_data(buffer, data_length, field_max_length+extra_padding, TRUE);
        else 
          tee_print_sized_data(buffer, data_length, field_max_length+extra_padding, FALSE);
      }
      tee_fputs(" | ", PAGER);
    }
    (void) tee_fputs("\n", PAGER);
  }
  tee_puts((char*) separator.ptr(), PAGER);
  my_afree((gptr) num_flag);
}


static void
tee_print_sized_data(const char *data, unsigned int data_length, unsigned int total_bytes_to_send, bool right_justified)
{
  /* 
    For '\0's print ASCII spaces instead, as '\0' is eaten by (at
    least my) console driver, and that messes up the pretty table
    grid.  (The \0 is also the reason we can't use fprintf() .) 
  */
  unsigned int i;
  const char *p;

  if (right_justified) 
    for (i= data_length; i < total_bytes_to_send; i++)
      tee_putc((int)' ', PAGER);

  for (i= 0, p= data; i < data_length; i+= 1, p+= 1)
  {
    if (*p == '\0')
      tee_putc((int)' ', PAGER);
    else
      tee_putc((int)*p, PAGER);
  }

  if (! right_justified) 
    for (i= data_length; i < total_bytes_to_send; i++)
      tee_putc((int)' ', PAGER);
}



static void
print_table_data_html(MYSQL_RES *result)
{
  MYSQL_ROW	cur;
  MYSQL_FIELD	*field;

  mysql_field_seek(result,0);
  (void) tee_fputs("<TABLE BORDER=1><TR>", PAGER);
  if (column_names)
  {
    while((field = mysql_fetch_field(result)))
    {
      tee_fprintf(PAGER, "<TH>%s</TH>", (field->name ? 
					 (field->name[0] ? field->name : 
					  " &nbsp; ") : "NULL"));
    }
    (void) tee_fputs("</TR>", PAGER);
  }
  while ((cur = mysql_fetch_row(result)))
  {
    ulong *lengths=mysql_fetch_lengths(result);
    (void) tee_fputs("<TR>", PAGER);
    for (uint i=0; i < mysql_num_fields(result); i++)
    {
      (void) tee_fputs("<TD>", PAGER);
      safe_put_field(cur[i],lengths[i]);
      (void) tee_fputs("</TD>", PAGER);
    }
    (void) tee_fputs("</TR>", PAGER);
  }
  (void) tee_fputs("</TABLE>", PAGER);
}


static void
print_table_data_xml(MYSQL_RES *result)
{
  MYSQL_ROW   cur;
  MYSQL_FIELD *fields;

  mysql_field_seek(result,0);

  tee_fputs("<?xml version=\"1.0\"?>\n\n<resultset statement=\"", PAGER);
  xmlencode_print(glob_buffer.ptr(), (int)strlen(glob_buffer.ptr()));
  tee_fputs("\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">",
            PAGER);

  fields = mysql_fetch_fields(result);
  while ((cur = mysql_fetch_row(result)))
  {
    ulong *lengths=mysql_fetch_lengths(result);
    (void) tee_fputs("\n  <row>\n", PAGER);
    for (uint i=0; i < mysql_num_fields(result); i++)
    {
      tee_fprintf(PAGER, "\t<field name=\"");
      xmlencode_print(fields[i].name, (uint) strlen(fields[i].name));
      if (cur[i])
      {
        tee_fprintf(PAGER, "\">");
        xmlencode_print(cur[i], lengths[i]);
        tee_fprintf(PAGER, "</field>\n");
      }
      else
        tee_fprintf(PAGER, "\" xsi:nil=\"true\" />\n");
    }
    (void) tee_fputs("  </row>\n", PAGER);
  }
  (void) tee_fputs("</resultset>\n", PAGER);
}


static void
print_table_data_vertically(MYSQL_RES *result)
{
  MYSQL_ROW	cur;
  uint		max_length=0;
  MYSQL_FIELD	*field;

  while ((field = mysql_fetch_field(result)))
  {
    uint length= field->name_length;
    if (length > max_length)
      max_length= length;
    field->max_length=length;
  }

  mysql_field_seek(result,0);
  for (uint row_count=1; (cur= mysql_fetch_row(result)); row_count++)
  {
    mysql_field_seek(result,0);
    tee_fprintf(PAGER, 
		"*************************** %d. row ***************************\n", row_count);
    for (uint off=0; off < mysql_num_fields(result); off++)
    {
      field= mysql_fetch_field(result);
      tee_fprintf(PAGER, "%*s: ",(int) max_length,field->name);
      tee_fprintf(PAGER, "%s\n",cur[off] ? (char*) cur[off] : "NULL");
    }
  }
}


/* print_warnings should be called right after executing a statement */

static void print_warnings()
{
  const char   *query;
  MYSQL_RES    *result;
  MYSQL_ROW    cur;
  my_ulonglong num_rows;

  /* Get the warnings */
  query= "show warnings";
  mysql_real_query_for_lazy(query, strlen(query));
  mysql_store_result_for_lazy(&result);

  /* Bail out when no warnings */
  if (!(num_rows= mysql_num_rows(result)))
  {
    mysql_free_result(result);
    return;
  }

  /* Print the warnings */
  while ((cur= mysql_fetch_row(result)))
  {
    tee_fprintf(PAGER, "%s (Code %s): %s\n", cur[0], cur[1], cur[2]);
  }
  mysql_free_result(result);
}


static const char *array_value(const char **array, char key)
{
  for (; *array; array+= 2)
    if (**array == key)
      return array[1];
  return 0;
}


static void
xmlencode_print(const char *src, uint length)
{
  if (!src)
    tee_fputs("NULL", PAGER);
  else
  {
    for (const char *p = src; *p && length; *p++, length--)
    {
      const char *t;
      if ((t = array_value(xmlmeta, *p)))
	tee_fputs(t, PAGER);
      else
	tee_putc(*p, PAGER);
    }
  }
}


static void
safe_put_field(const char *pos,ulong length)
{
  if (!pos)
    tee_fputs("NULL", PAGER);
  else
  {
    if (opt_raw_data)
      tee_fputs(pos, PAGER);
    else for (const char *end=pos+length ; pos != end ; pos++)
    {
#ifdef USE_MB
      int l;
      if (use_mb(charset_info) &&
          (l = my_ismbchar(charset_info, pos, end)))
      {
	  while (l--)
	    tee_putc(*pos++, PAGER);
	  pos--;
	  continue;
      }
#endif
      if (!*pos)
	tee_fputs("\\0", PAGER); // This makes everything hard
      else if (*pos == '\t')
	tee_fputs("\\t", PAGER); // This would destroy tab format
      else if (*pos == '\n')
	tee_fputs("\\n", PAGER); // This too
      else if (*pos == '\\')
	tee_fputs("\\\\", PAGER);
	else
	tee_putc(*pos, PAGER);
    }
  }
}


static void
print_tab_data(MYSQL_RES *result)
{
  MYSQL_ROW	cur;
  MYSQL_FIELD	*field;
  ulong		*lengths;

  if (opt_silent < 2 && column_names)
  {
    int first=0;
    while ((field = mysql_fetch_field(result)))
    {
      if (first++)
	(void) tee_fputs("\t", PAGER);
      (void) tee_fputs(field->name, PAGER);
    }
    (void) tee_fputs("\n", PAGER);
  }
  while ((cur = mysql_fetch_row(result)))
  {
    lengths=mysql_fetch_lengths(result);
    safe_put_field(cur[0],lengths[0]);
    for (uint off=1 ; off < mysql_num_fields(result); off++)
    {
      (void) tee_fputs("\t", PAGER);
      safe_put_field(cur[off], lengths[off]);
    }
    (void) tee_fputs("\n", PAGER);
  }
}

static int
com_tee(String *buffer, char *line __attribute__((unused)))
{
  char file_name[FN_REFLEN], *end, *param;

  if (status.batch)
    return 0;
  while (my_isspace(charset_info,*line))
    line++;
  if (!(param = strchr(line, ' '))) // if outfile wasn't given, use the default
  {
    if (!strlen(outfile))
    {
      printf("No previous outfile available, you must give a filename!\n");
      return 0;
    }
    else if (opt_outfile)
    {
      tee_fprintf(stdout, "Currently logging to file '%s'\n", outfile);
      return 0;
    }
    else
      param = outfile;			//resume using the old outfile
  }

  /* eliminate the spaces before the parameters */
  while (my_isspace(charset_info,*param))
    param++;
  end= strmake(file_name, param, sizeof(file_name) - 1);
  /* remove end space from command line */
  while (end > file_name && (my_isspace(charset_info,end[-1]) || 
			     my_iscntrl(charset_info,end[-1])))
    end--;
  end[0]= 0;
  if (end == file_name)
  {
    printf("No outfile specified!\n");
    return 0;
  }
  init_tee(file_name);
  return 0;
}


static int
com_notee(String *buffer __attribute__((unused)),
	  char *line __attribute__((unused)))
{
  if (opt_outfile)
    end_tee();
  tee_fprintf(stdout, "Outfile disabled.\n");
  return 0;
}

/*
  Sorry, this command is not available in Windows.
*/

#ifdef USE_POPEN
static int
com_pager(String *buffer, char *line __attribute__((unused)))
{
  char pager_name[FN_REFLEN], *end, *param;

  if (status.batch)
    return 0;
  /* Skip spaces in front of the pager command */
  while (my_isspace(charset_info, *line))
    line++;
  /* Skip the pager command */
  param= strchr(line, ' ');
  /* Skip the spaces between the command and the argument */
  while (param && my_isspace(charset_info, *param))
    param++;
  if (!param || !strlen(param)) // if pager was not given, use the default
  {
    if (!default_pager_set)
    {
      tee_fprintf(stdout, "Default pager wasn't set, using stdout.\n");
      opt_nopager=1;
      strmov(pager, "stdout");
      PAGER= stdout;
      return 0;
    }
    strmov(pager, default_pager);
  }
  else
  {
    end= strmake(pager_name, param, sizeof(pager_name)-1);
    while (end > pager_name && (my_isspace(charset_info,end[-1]) || 
                                my_iscntrl(charset_info,end[-1])))
      end--;
    end[0]=0;
    strmov(pager, pager_name);
    strmov(default_pager, pager_name);
  }
  opt_nopager=0;
  tee_fprintf(stdout, "PAGER set to '%s'\n", pager);
  return 0;
}


static int
com_nopager(String *buffer __attribute__((unused)),
	    char *line __attribute__((unused)))
{
  strmov(pager, "stdout");
  opt_nopager=1;
  PAGER= stdout;
  tee_fprintf(stdout, "PAGER set to stdout\n");
  return 0;
}
#endif


/*
  Sorry, you can't send the result to an editor in Win32
*/

#ifdef USE_POPEN
static int
com_edit(String *buffer,char *line __attribute__((unused)))
{
  char	filename[FN_REFLEN],buff[160];
  int	fd,tmp;
  const char *editor;

  if ((fd=create_temp_file(filename,NullS,"sql", O_CREAT | O_WRONLY,
			   MYF(MY_WME))) < 0)
    goto err;
  if (buffer->is_empty() && !old_buffer.is_empty())
    (void) my_write(fd,(byte*) old_buffer.ptr(),old_buffer.length(),
		    MYF(MY_WME));
  else
    (void) my_write(fd,(byte*) buffer->ptr(),buffer->length(),MYF(MY_WME));
  (void) my_close(fd,MYF(0));

  if (!(editor = (char *)getenv("EDITOR")) &&
      !(editor = (char *)getenv("VISUAL")))
    editor = "vi";
  strxmov(buff,editor," ",filename,NullS);
  (void) system(buff);

  MY_STAT stat_arg;
  if (!my_stat(filename,&stat_arg,MYF(MY_WME)))
    goto err;
  if ((fd = my_open(filename,O_RDONLY, MYF(MY_WME))) < 0)
    goto err;
  (void) buffer->alloc((uint) stat_arg.st_size);
  if ((tmp=read(fd,(char*) buffer->ptr(),buffer->alloced_length())) >= 0L)
    buffer->length((uint) tmp);
  else
    buffer->length(0);
  (void) my_close(fd,MYF(0));
  (void) my_delete(filename,MYF(MY_WME));
err:
  return 0;
}
#endif


/* If arg is given, exit without errors. This happens on command 'quit' */

static int
com_quit(String *buffer __attribute__((unused)),
	 char *line __attribute__((unused)))
{
  /* let the screen auto close on a normal shutdown */
  NETWARE_SET_SCREEN_MODE(SCR_AUTOCLOSE_ON_EXIT);
  status.exit_status=0;
  return 1;
}

static int
com_rehash(String *buffer __attribute__((unused)),
	 char *line __attribute__((unused)))
{
#ifdef HAVE_READLINE
  build_completion_hash(1, 0);
#endif
  return 0;
}


#ifdef USE_POPEN
static int
com_shell(String *buffer, char *line __attribute__((unused)))
{
  char *shell_cmd;

  /* Skip space from line begin */
  while (my_isspace(charset_info, *line))
    line++;
  if (!(shell_cmd = strchr(line, ' ')))
  {
    put_info("Usage: \\! shell-command", INFO_ERROR);
    return -1;
  }
  /*
    The output of the shell command does not
    get directed to the pager or the outfile
  */
  if (system(shell_cmd) == -1)
  {
    put_info(strerror(errno), INFO_ERROR, errno);
    return -1;
  }
  return 0;
}
#endif


static int
com_print(String *buffer,char *line __attribute__((unused)))
{
  tee_puts("--------------", stdout);
  (void) tee_fputs(buffer->c_ptr(), stdout);
  if (!buffer->length() || (*buffer)[buffer->length()-1] != '\n')
    tee_putc('\n', stdout);
  tee_puts("--------------\n", stdout);
  return 0;					/* If empty buffer */
}

	/* ARGSUSED */
static int
com_connect(String *buffer, char *line)
{
  char *tmp, buff[256];
  bool save_rehash= opt_rehash;
  int error;

  bzero(buff, sizeof(buff));
  if (buffer)
  {
    /*
      Two null bytes are needed in the end of buff to allow
      get_arg to find end of string the second time it's called.
    */
    strmake(buff, line, sizeof(buff)-2);
    tmp= get_arg(buff, 0);
    if (tmp && *tmp)
    {
      my_free(current_db, MYF(MY_ALLOW_ZERO_PTR));
      current_db= my_strdup(tmp, MYF(MY_WME));
      tmp= get_arg(buff, 1);
      if (tmp)
      {
	my_free(current_host,MYF(MY_ALLOW_ZERO_PTR));
	current_host=my_strdup(tmp,MYF(MY_WME));
      }
    }
    else
    {
      /* Quick re-connect */
      opt_rehash= 0;                            /* purecov: tested */
    }
    buffer->length(0);				// command used
  }
  else
    opt_rehash= 0;
  error=sql_connect(current_host,current_db,current_user,opt_password,0);
  opt_rehash= save_rehash;

  if (connected)
  {
    sprintf(buff,"Connection id:    %lu",mysql_thread_id(&mysql));
    put_info(buff,INFO_INFO);
    sprintf(buff,"Current database: %.128s\n",
	    current_db ? current_db : "*** NONE ***");
    put_info(buff,INFO_INFO);
  }
  return error;
}


static int com_source(String *buffer, char *line)
{
  char source_name[FN_REFLEN], *end, *param;
  LINE_BUFFER *line_buff;
  int error;
  STATUS old_status;
  FILE *sql_file;

  /* Skip space from file name */
  while (my_isspace(charset_info,*line))
    line++;
  if (!(param = strchr(line, ' ')))		// Skip command name
    return put_info("Usage: \\. <filename> | source <filename>", 
		    INFO_ERROR, 0);
  while (my_isspace(charset_info,*param))
    param++;
  end=strmake(source_name,param,sizeof(source_name)-1);
  while (end > source_name && (my_isspace(charset_info,end[-1]) || 
                               my_iscntrl(charset_info,end[-1])))
    end--;
  end[0]=0;
  unpack_filename(source_name,source_name);
  /* open file name */
  if (!(sql_file = my_fopen(source_name, O_RDONLY | O_BINARY,MYF(0))))
  {
    char buff[FN_REFLEN+60];
    sprintf(buff,"Failed to open file '%s', error: %d", source_name,errno);
    return put_info(buff, INFO_ERROR, 0);
  }

  if (!(line_buff=batch_readline_init(opt_max_allowed_packet+512,sql_file)))
  {
    my_fclose(sql_file,MYF(0));
    return put_info("Can't initialize batch_readline", INFO_ERROR, 0);
  }

  /* Save old status */
  old_status=status;
  bfill((char*) &status,sizeof(status),(char) 0);

  status.batch=old_status.batch;		// Run in batch mode
  status.line_buff=line_buff;
  status.file_name=source_name;
  glob_buffer.length(0);			// Empty command buffer
  error= read_and_execute(false);
  status=old_status;				// Continue as before
  my_fclose(sql_file,MYF(0));
  batch_readline_end(line_buff);
  return error;
}


	/* ARGSUSED */
static int
com_delimiter(String *buffer __attribute__((unused)), char *line)
{
  char buff[256], *tmp;

  strmake(buff, line, sizeof(buff) - 1);
  tmp= get_arg(buff, 0);

  if (!tmp || !*tmp)
  {
    put_info("DELIMITER must be followed by a 'delimiter' character or string",
	     INFO_ERROR);
    return 0;
  }
  else
  {
    if (strstr(tmp, "\\")) 
    {
      put_info("DELIMITER cannot contain a backslash character", INFO_ERROR);
      return 0;
    }
  }
  strmake(delimiter, tmp, sizeof(delimiter) - 1);
  delimiter_length= (int)strlen(delimiter);
  delimiter_str= delimiter;
  return 0;
}

	/* ARGSUSED */
static int
com_use(String *buffer __attribute__((unused)), char *line)
{
  char *tmp, buff[FN_REFLEN + 1];
  int select_db;

  bzero(buff, sizeof(buff));
  strmake(buff, line, sizeof(buff) - 1);
  tmp= get_arg(buff, 0);
  if (!tmp || !*tmp)
  {
    put_info("USE must be followed by a database name", INFO_ERROR);
    return 0;
  }
  /*
    We need to recheck the current database, because it may change
    under our feet, for example if DROP DATABASE or RENAME DATABASE
    (latter one not yet available by the time the comment was written)
  */
  get_current_db();

  if (!current_db || cmp_database(charset_info, current_db,tmp))
  {
    if (one_database)
    {
      skip_updates= 1;
      select_db= 0;    // don't do mysql_select_db()
    }
    else
      select_db= 2;    // do mysql_select_db() and build_completion_hash()
  }
  else
  {
    /*
      USE to the current db specified.
      We do need to send mysql_select_db() to make server
      update database level privileges, which might
      change since last USE (see bug#10979).
      For performance purposes, we'll skip rebuilding of completion hash.
    */
    skip_updates= 0;
    select_db= 1;      // do only mysql_select_db(), without completion
  }

  if (select_db)
  {
    /*
      reconnect once if connection is down or if connection was found to
      be down during query
    */
    if (!connected && reconnect())
      return opt_reconnect ? -1 : 1;                        // Fatal error
    if (mysql_select_db(&mysql,tmp))
    {
      if (mysql_errno(&mysql) != CR_SERVER_GONE_ERROR)
        return put_error(&mysql);

      if (reconnect())
        return opt_reconnect ? -1 : 1;                      // Fatal error
      if (mysql_select_db(&mysql,tmp))
        return put_error(&mysql);
    }
    my_free(current_db,MYF(MY_ALLOW_ZERO_PTR));
    current_db=my_strdup(tmp,MYF(MY_WME));
#ifdef HAVE_READLINE
    if (select_db > 1)
      build_completion_hash(opt_rehash, 1);
#endif
  }

  put_info("Database changed",INFO_INFO);
  return 0;
}

static int
com_warnings(String *buffer __attribute__((unused)),
   char *line __attribute__((unused)))
{
  show_warnings = 1;
  put_info("Show warnings enabled.",INFO_INFO);
  return 0;
}

static int
com_nowarnings(String *buffer __attribute__((unused)),
   char *line __attribute__((unused)))
{
  show_warnings = 0;
  put_info("Show warnings disabled.",INFO_INFO);
  return 0;
}

/*
  Gets argument from a command on the command line. If get_next_arg is
  not defined, skips the command and returns the first argument. The
  line is modified by adding zero to the end of the argument. If
  get_next_arg is defined, then the function searches for end of string
  first, after found, returns the next argument and adds zero to the
  end. If you ever wish to use this feature, remember to initialize all
  items in the array to zero first.
*/

char *get_arg(char *line, my_bool get_next_arg)
{
  char *ptr, *start;
  my_bool quoted= 0, valid_arg= 0;
  char qtype= 0;

  ptr= line;
  if (get_next_arg)
  {
    for (; *ptr; ptr++) ;
    if (*(ptr + 1))
      ptr++;
  }
  else
  {
    /* skip leading white spaces */
    while (my_isspace(charset_info, *ptr))
      ptr++;
    if (*ptr == '\\') // short command was used
      ptr+= 2;
    else
      while (*ptr &&!my_isspace(charset_info, *ptr)) // skip command
        ptr++;
  }
  if (!*ptr)
    return NullS;
  while (my_isspace(charset_info, *ptr))
    ptr++;
  if (*ptr == '\'' || *ptr == '\"' || *ptr == '`')
  {
    qtype= *ptr;
    quoted= 1;
    ptr++;
  }
  for (start=ptr ; *ptr; ptr++)
  {
    if (*ptr == '\\' && ptr[1]) // escaped character
    {
      // Remove the backslash
      strmov(ptr, ptr+1);
    }
    else if ((!quoted && *ptr == ' ') || (quoted && *ptr == qtype))
    {
      *ptr= 0;
      break;
    }
  }
  valid_arg= ptr != start;
  return valid_arg ? start : NullS;
}


static int
sql_real_connect(char *host,char *database,char *user,char *password,
		 uint silent)
{
  if (connected)
  {
    connected= 0;
    mysql_close(&mysql);
  }
  mysql_init(&mysql);
  if (opt_connect_timeout)
  {
    uint timeout=opt_connect_timeout;
    mysql_options(&mysql,MYSQL_OPT_CONNECT_TIMEOUT,
		  (char*) &timeout);
  }
  if (opt_compress)
    mysql_options(&mysql,MYSQL_OPT_COMPRESS,NullS);
  if (opt_secure_auth)
    mysql_options(&mysql, MYSQL_SECURE_AUTH, (char *) &opt_secure_auth);
  if (using_opt_local_infile)
    mysql_options(&mysql,MYSQL_OPT_LOCAL_INFILE, (char*) &opt_local_infile);
#ifdef HAVE_OPENSSL
  if (opt_use_ssl)
    mysql_ssl_set(&mysql, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
		  opt_ssl_capath, opt_ssl_cipher);
  mysql_options(&mysql,MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
                (char*)&opt_ssl_verify_server_cert);
#endif
  if (opt_protocol)
    mysql_options(&mysql,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
#ifdef HAVE_SMEM
  if (shared_memory_base_name)
    mysql_options(&mysql,MYSQL_SHARED_MEMORY_BASE_NAME,shared_memory_base_name);
#endif
  if (safe_updates)
  {
    char init_command[100];
    sprintf(init_command,
	    "SET SQL_SAFE_UPDATES=1,SQL_SELECT_LIMIT=%lu,SQL_MAX_JOIN_SIZE=%lu",
	    select_limit,max_join_size);
    mysql_options(&mysql, MYSQL_INIT_COMMAND, init_command);
  }
  if (default_charset_used)
    mysql_options(&mysql, MYSQL_SET_CHARSET_NAME, default_charset);
  if (!mysql_real_connect(&mysql, host, user, password,
			  database, opt_mysql_port, opt_mysql_unix_port,
			  connect_flag | CLIENT_MULTI_STATEMENTS))
  {
    if (!silent ||
	(mysql_errno(&mysql) != CR_CONN_HOST_ERROR &&
	 mysql_errno(&mysql) != CR_CONNECTION_ERROR))
    {
      (void) put_error(&mysql);
      (void) fflush(stdout);
      return ignore_errors ? -1 : 1;		// Abort
    }
    return -1;					// Retryable
  }
  connected=1;
#ifndef EMBEDDED_LIBRARY
  mysql.reconnect=info_flag ? 1 : 0; // We want to know if this happens
#else
  mysql.reconnect= 1;
#endif
#ifdef HAVE_READLINE
  build_completion_hash(opt_rehash, 1);
#endif
  return 0;
}


static int
sql_connect(char *host,char *database,char *user,char *password,uint silent)
{
  bool message=0;
  uint count=0;
  int error;
  for (;;)
  {
    if ((error=sql_real_connect(host,database,user,password,wait_flag)) >= 0)
    {
      if (count)
      {
	tee_fputs("\n", stderr);
	(void) fflush(stderr);
      }
      return error;
    }
    if (!wait_flag)
      return ignore_errors ? -1 : 1;
    if (!message && !silent)
    {
      message=1;
      tee_fputs("Waiting",stderr); (void) fflush(stderr);
    }
    (void) sleep(wait_time);
    if (!silent)
    {
      putc('.',stderr); (void) fflush(stderr);
      count++;
    }
  }
}



static int
com_status(String *buffer __attribute__((unused)),
	   char *line __attribute__((unused)))
{
  const char *status_str;
  char buff[40];
  ulonglong id;
  MYSQL_RES *result;
  LINT_INIT(result);

  tee_puts("--------------", stdout);
  usage(1);					/* Print version */
  if (connected)
  {
    tee_fprintf(stdout, "\nConnection id:\t\t%lu\n",mysql_thread_id(&mysql));
    /* 
      Don't remove "limit 1", 
      it is protection againts SQL_SELECT_LIMIT=0
    */
    if (!mysql_query(&mysql,"select DATABASE(), USER() limit 1") &&
	(result=mysql_use_result(&mysql)))
    {
      MYSQL_ROW cur=mysql_fetch_row(result);
      if (cur)
      {
        tee_fprintf(stdout, "Current database:\t%s\n", cur[0] ? cur[0] : "");
        tee_fprintf(stdout, "Current user:\t\t%s\n", cur[1]);
      }
      mysql_free_result(result);
    } 
#ifdef HAVE_OPENSSL
    if ((status_str= mysql_get_ssl_cipher(&mysql)))
      tee_fprintf(stdout, "SSL:\t\t\tCipher in use is %s\n",
		  status_str);
    else
#endif /* HAVE_OPENSSL */
      tee_puts("SSL:\t\t\tNot in use", stdout);
  }
  else
  {
    vidattr(A_BOLD);
    tee_fprintf(stdout, "\nNo connection\n");
    vidattr(A_NORMAL);
    return 0;
  }
  if (skip_updates)
  {
    vidattr(A_BOLD);
    tee_fprintf(stdout, "\nAll updates ignored to this database\n");
    vidattr(A_NORMAL);
  }
#ifdef USE_POPEN
  tee_fprintf(stdout, "Current pager:\t\t%s\n", pager);
  tee_fprintf(stdout, "Using outfile:\t\t'%s'\n", opt_outfile ? outfile : "");
#endif
  tee_fprintf(stdout, "Using delimiter:\t%s\n", delimiter);
  tee_fprintf(stdout, "Server version:\t\t%s\n", server_version_string(&mysql));
  tee_fprintf(stdout, "Protocol version:\t%d\n", mysql_get_proto_info(&mysql));
  tee_fprintf(stdout, "Connection:\t\t%s\n", mysql_get_host_info(&mysql));
  if ((id= mysql_insert_id(&mysql)))
    tee_fprintf(stdout, "Insert id:\t\t%s\n", llstr(id, buff));

  /* "limit 1" is protection against SQL_SELECT_LIMIT=0 */
  if (!mysql_query(&mysql,"select @@character_set_client, @@character_set_connection, @@character_set_server, @@character_set_database limit 1") &&
      (result=mysql_use_result(&mysql)))
  {
    MYSQL_ROW cur=mysql_fetch_row(result);
    if (cur)
    {
      tee_fprintf(stdout, "Server characterset:\t%s\n", cur[2] ? cur[2] : "");
      tee_fprintf(stdout, "Db     characterset:\t%s\n", cur[3] ? cur[3] : "");
      tee_fprintf(stdout, "Client characterset:\t%s\n", cur[0] ? cur[0] : "");
      tee_fprintf(stdout, "Conn.  characterset:\t%s\n", cur[1] ? cur[1] : "");
    }
    mysql_free_result(result);
  }
  else
  {
    /* Probably pre-4.1 server */
    tee_fprintf(stdout, "Client characterset:\t%s\n", charset_info->csname);
    tee_fprintf(stdout, "Server characterset:\t%s\n", mysql.charset->csname);
  }

#ifndef EMBEDDED_LIBRARY
  if (strstr(mysql_get_host_info(&mysql),"TCP/IP") || ! mysql.unix_socket)
    tee_fprintf(stdout, "TCP port:\t\t%d\n", mysql.port);
  else
    tee_fprintf(stdout, "UNIX socket:\t\t%s\n", mysql.unix_socket);
  if (mysql.net.compress)
    tee_fprintf(stdout, "Protocol:\t\tCompressed\n");
#endif

  if ((status_str= mysql_stat(&mysql)) && !mysql_error(&mysql)[0])
  {
    ulong sec;
    const char *pos= strchr(status_str,' ');
    /* print label */
    tee_fprintf(stdout, "%.*s\t\t\t", (int) (pos-status_str), status_str);
    if ((status_str= str2int(pos,10,0,LONG_MAX,(long*) &sec)))
    {
      nice_time((double) sec,buff,0);
      tee_puts(buff, stdout);			/* print nice time */
      while (*status_str == ' ')
        status_str++;  /* to next info */
      tee_putc('\n', stdout);
      tee_puts(status_str, stdout);
    }
  }
  if (safe_updates)
  {
    vidattr(A_BOLD);
    tee_fprintf(stdout, "\nNote that you are running in safe_update_mode:\n");
    vidattr(A_NORMAL);
    tee_fprintf(stdout, "\
UPDATEs and DELETEs that don't use a key in the WHERE clause are not allowed.\n\
(One can force an UPDATE/DELETE by adding LIMIT # at the end of the command.)\n\
SELECT has an automatic 'LIMIT %lu' if LIMIT is not used.\n\
Max number of examined row combination in a join is set to: %lu\n\n",
select_limit, max_join_size);
  }
  tee_puts("--------------\n", stdout);
  return 0;
}

static const char *
server_version_string(MYSQL *con)
{
  static char buf[MAX_SERVER_VERSION_LENGTH] = "";

  /* Only one thread calls this, so no synchronization is needed */
  if (buf[0] == '\0')
  {
    char *bufp = buf;
    MYSQL_RES *result;

    bufp= strnmov(buf, mysql_get_server_info(con), sizeof buf);

    /* "limit 1" is protection against SQL_SELECT_LIMIT=0 */
    if (!mysql_query(con, "select @@version_comment limit 1") &&
        (result = mysql_use_result(con)))
    {
      MYSQL_ROW cur = mysql_fetch_row(result);
      if (cur && cur[0])
      {
        bufp = strxnmov(bufp, sizeof buf - (bufp - buf), " ", cur[0], NullS);
      }
      mysql_free_result(result);
    }

    /* str*nmov doesn't guarantee NUL-termination */
    if (bufp == buf + sizeof buf)
      buf[sizeof buf - 1] = '\0';
  }

  return buf;
}

static int
put_info(const char *str,INFO_TYPE info_type, uint error, const char *sqlstate)
{
  FILE *file= (info_type == INFO_ERROR ? stderr : stdout);
  static int inited=0;

  if (status.batch)
  {
    if (info_type == INFO_ERROR)
    {
      (void) fflush(file);
      fprintf(file,"ERROR");
      if (error)
      {
	if (sqlstate)
	  (void) fprintf(file," %d (%s)",error, sqlstate);
        else
	  (void) fprintf(file," %d",error);
      }
      if (status.query_start_line && line_numbers)
      {
	(void) fprintf(file," at line %lu",status.query_start_line);
	if (status.file_name)
	  (void) fprintf(file," in file: '%s'", status.file_name);
      }
      (void) fprintf(file,": %s\n",str);
      (void) fflush(file);
      if (!ignore_errors)
	return 1;
    }
    else if (info_type == INFO_RESULT && verbose > 1)
      tee_puts(str, file);
    if (unbuffered)
      fflush(file);
    return info_type == INFO_ERROR ? -1 : 0;
  }
  if (!opt_silent || info_type == INFO_ERROR)
  {
    if (!inited)
    {
      inited=1;
#ifdef HAVE_SETUPTERM
      (void) setupterm((char *)0, 1, (int *) 0);
#endif
    }
    if (info_type == INFO_ERROR)
    {
      if (!opt_nobeep)
        putchar('\a');		      	/* This should make a bell */
      vidattr(A_STANDOUT);
      if (error)
      {
	if (sqlstate)
          (void) tee_fprintf(file, "ERROR %d (%s): ", error, sqlstate);
        else
          (void) tee_fprintf(file, "ERROR %d: ", error);
      }
      else
        tee_puts("ERROR: ", file);
    }
    else
      vidattr(A_BOLD);
    (void) tee_puts(str, file);
    vidattr(A_NORMAL);
  }
  if (unbuffered)
    fflush(file);
  return info_type == INFO_ERROR ? -1 : 0;
}


static int
put_error(MYSQL *con)
{
  return put_info(mysql_error(con), INFO_ERROR, mysql_errno(con),
		  mysql_sqlstate(con));
}  


static void remove_cntrl(String &buffer)
{
  char *start,*end;
  end=(start=(char*) buffer.ptr())+buffer.length();
  while (start < end && !my_isgraph(charset_info,end[-1]))
    end--;
  buffer.length((uint) (end-start));
}


void tee_fprintf(FILE *file, const char *fmt, ...)
{
  va_list args;

  NETWARE_YIELD;
  va_start(args, fmt);
  (void) vfprintf(file, fmt, args);
#ifdef OS2
  fflush( file);
#endif
  va_end(args);

  if (opt_outfile)
  {
    va_start(args, fmt);
    (void) vfprintf(OUTFILE, fmt, args);
    va_end(args);
  }
}


void tee_fputs(const char *s, FILE *file)
{
  NETWARE_YIELD;
  fputs(s, file);
#ifdef OS2
  fflush( file);
#endif
  if (opt_outfile)
    fputs(s, OUTFILE);
}


void tee_puts(const char *s, FILE *file)
{
  NETWARE_YIELD;
  fputs(s, file);
  fputc('\n', file);
#ifdef OS2
  fflush(file);
#endif
  if (opt_outfile)
  {
    fputs(s, OUTFILE);
    fputc('\n', OUTFILE);
  }
}

void tee_putc(int c, FILE *file)
{
  putc(c, file);
#ifdef OS2
  fflush( file);
#endif
  if (opt_outfile)
    putc(c, OUTFILE);
}

#if defined( __WIN__) || defined( OS2) || defined(__NETWARE__)
#include <time.h>
#else
#include <sys/times.h>
#ifdef _SC_CLK_TCK				// For mit-pthreads
#undef CLOCKS_PER_SEC
#define CLOCKS_PER_SEC (sysconf(_SC_CLK_TCK))
#endif
#endif

static ulong start_timer(void)
{
#if defined( __WIN__) || defined( OS2) || defined(__NETWARE__)
 return clock();
#else
  struct tms tms_tmp;
  return times(&tms_tmp);
#endif
}


static void nice_time(double sec,char *buff,bool part_second)
{
  ulong tmp;
  if (sec >= 3600.0*24)
  {
    tmp=(ulong) floor(sec/(3600.0*24));
    sec-=3600.0*24*tmp;
    buff=int10_to_str((long) tmp, buff, 10);
    buff=strmov(buff,tmp > 1 ? " days " : " day ");
  }
  if (sec >= 3600.0)
  {
    tmp=(ulong) floor(sec/3600.0);
    sec-=3600.0*tmp;
    buff=int10_to_str((long) tmp, buff, 10);
    buff=strmov(buff,tmp > 1 ? " hours " : " hour ");
  }
  if (sec >= 60.0)
  {
    tmp=(ulong) floor(sec/60.0);
    sec-=60.0*tmp;
    buff=int10_to_str((long) tmp, buff, 10);
    buff=strmov(buff," min ");
  }
  if (part_second)
    sprintf(buff,"%.2f sec",sec);
  else
    sprintf(buff,"%d sec",(int) sec);
}


static void end_timer(ulong start_time,char *buff)
{
  nice_time((double) (start_timer() - start_time) /
	    CLOCKS_PER_SEC,buff,1);
}


static void mysql_end_timer(ulong start_time,char *buff)
{
  buff[0]=' ';
  buff[1]='(';
  end_timer(start_time,buff+2);
  strmov(strend(buff),")");
}

static const char* construct_prompt()
{
  processed_prompt.free();			// Erase the old prompt
  time_t  lclock = time(NULL);			// Get the date struct
  struct tm *t = localtime(&lclock);

  /* parse thru the settings for the prompt */
  for (char *c = current_prompt; *c ; *c++)
  {
    if (*c != PROMPT_CHAR)
	processed_prompt.append(*c);
    else
    {
      switch (*++c) {
      case '\0':
	c--;			// stop it from going beyond if ends with %
	break;
      case 'c':
	add_int_to_prompt(++prompt_counter);
	break;
      case 'v':
	if (connected)
	  processed_prompt.append(mysql_get_server_info(&mysql));
	else
	  processed_prompt.append("not_connected");
	break;
      case 'd':
	processed_prompt.append(current_db ? current_db : "(none)");
	break;
      case 'h':
      {
	const char *prompt;
	prompt= connected ? mysql_get_host_info(&mysql) : "not_connected";
	if (strstr(prompt, "Localhost"))
	  processed_prompt.append("localhost");
	else
	{
	  const char *end=strcend(prompt,' ');
	  processed_prompt.append(prompt, (uint) (end-prompt));
	}
	break;
      }
      case 'p':
      {
#ifndef EMBEDDED_LIBRARY
	if (!connected)
	{
	  processed_prompt.append("not_connected");
	  break;
	}

	const char *host_info = mysql_get_host_info(&mysql);
	if (strstr(host_info, "memory")) 
	{
		processed_prompt.append( mysql.host );
	}
	else if (strstr(host_info,"TCP/IP") ||
	    !mysql.unix_socket)
	  add_int_to_prompt(mysql.port);
	else
	{
	  char *pos=strrchr(mysql.unix_socket,'/');
 	  processed_prompt.append(pos ? pos+1 : mysql.unix_socket);
	}
#endif
      }
	break;
      case 'U':
	if (!full_username)
	  init_username();
        processed_prompt.append(full_username ? full_username :
                                (current_user ?  current_user : "(unknown)"));
	break;
      case 'u':
	if (!full_username)
	  init_username();
        processed_prompt.append(part_username ? part_username :
                                (current_user ?  current_user : "(unknown)"));
	break;
      case PROMPT_CHAR:
	processed_prompt.append(PROMPT_CHAR);
	break;
      case 'n':
	processed_prompt.append('\n');
	break;
      case ' ':
      case '_':
	processed_prompt.append(' ');
	break;
      case 'R':
	if (t->tm_hour < 10)
	  processed_prompt.append('0');
	add_int_to_prompt(t->tm_hour);
	break;
      case 'r':
	int getHour;
	getHour = t->tm_hour % 12;
	if (getHour == 0)
	  getHour=12;
	if (getHour < 10)
	  processed_prompt.append('0');
	add_int_to_prompt(getHour);
	break;
      case 'm':
	if (t->tm_min < 10)
	  processed_prompt.append('0');
	add_int_to_prompt(t->tm_min);
	break;
      case 'y':
	int getYear;
	getYear = t->tm_year % 100;
	if (getYear < 10)
	  processed_prompt.append('0');
	add_int_to_prompt(getYear);
	break;
      case 'Y':
	add_int_to_prompt(t->tm_year+1900);
	break;
      case 'D':
	char* dateTime;
	dateTime = ctime(&lclock);
	processed_prompt.append(strtok(dateTime,"\n"));
	break;
      case 's':
	if (t->tm_sec < 10)
	  processed_prompt.append('0');
	add_int_to_prompt(t->tm_sec);
	break;
      case 'w':
	processed_prompt.append(day_names[t->tm_wday]);
	break;
      case 'P':
	processed_prompt.append(t->tm_hour < 12 ? "am" : "pm");
	break;
      case 'o':
	add_int_to_prompt(t->tm_mon+1);
	break;
      case 'O':
	processed_prompt.append(month_names[t->tm_mon]);
	break;
      case '\'':
	processed_prompt.append("'");
	break;
      case '"':
	processed_prompt.append('"');
	break;
      case 'S':
	processed_prompt.append(';');
	break;
      case 't':
	processed_prompt.append('\t');
	break;
      case 'l':
	processed_prompt.append(delimiter_str);
	break;
      default:
	processed_prompt.append(c);
      }
    }
  }
  processed_prompt.append('\0');
  return processed_prompt.ptr();
}


static void add_int_to_prompt(int toadd)
{
  char buffer[16];
  int10_to_str(toadd,buffer,10);
  processed_prompt.append(buffer);
}

static void init_username()
{
  my_free(full_username,MYF(MY_ALLOW_ZERO_PTR));
  my_free(part_username,MYF(MY_ALLOW_ZERO_PTR));

  MYSQL_RES *result;
  LINT_INIT(result);
  if (!mysql_query(&mysql,"select USER()") &&
      (result=mysql_use_result(&mysql)))
  {
    MYSQL_ROW cur=mysql_fetch_row(result);
    full_username=my_strdup(cur[0],MYF(MY_WME));
    part_username=my_strdup(strtok(cur[0],"@"),MYF(MY_WME));
    (void) mysql_fetch_row(result);		// Read eof
  }
}

static int com_prompt(String *buffer, char *line)
{
  char *ptr=strchr(line, ' ');
  prompt_counter = 0;
  my_free(current_prompt,MYF(MY_ALLOW_ZERO_PTR));
  current_prompt=my_strdup(ptr ? ptr+1 : default_prompt,MYF(MY_WME));
  if (!ptr)
    tee_fprintf(stdout, "Returning to default PROMPT of %s\n", default_prompt);
  else
    tee_fprintf(stdout, "PROMPT set to '%s'\n", current_prompt);
  return 0;
}

#ifndef EMBEDDED_LIBRARY
/* Keep sql_string library happy */

gptr sql_alloc(unsigned int Size)
{
  return my_malloc(Size,MYF(MY_WME));
}

void sql_element_free(void *ptr)
{
  my_free((gptr) ptr,MYF(0));
}
#endif /* EMBEDDED_LIBRARY */
