/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ #ifndef _my_sys_h #define _my_sys_h #ifdef __cplusplus extern "C" { #endif #ifdef HAVE_AIOWAIT #include <sys/asynch.h> /* Used by record-cache */ typedef struct my_aio_result { aio_result_t result; int pending; } my_aio_result; #endif #ifndef THREAD extern int NEAR my_errno; /* Last error in mysys */ #else #include <my_pthread.h> #endif #ifndef _m_ctype_h #include <m_ctype.h> /* for CHARSET_INFO */ #endif #include <stdarg.h> #define MYSYS_PROGRAM_USES_CURSES() { error_handler_hook = my_message_curses; mysys_uses_curses=1; } #define MYSYS_PROGRAM_DONT_USE_CURSES() { error_handler_hook = my_message_no_curses; mysys_uses_curses=0;} #define MY_INIT(name); { my_progname= name; my_init(); } #define MAXMAPS (4) /* Number of error message maps */ #define ERRMOD (1000) /* Max number of errors in a map */ #define ERRMSGSIZE (SC_MAXWIDTH) /* Max length of a error message */ #define NRERRBUFFS (2) /* Buffers for parameters */ #define MY_FILE_ERROR ((uint) ~0) /* General bitmaps for my_func's */ #define MY_FFNF 1 /* Fatal if file not found */ #define MY_FNABP 2 /* Fatal if not all bytes read/writen */ #define MY_NABP 4 /* Error if not all bytes read/writen */ #define MY_FAE 8 /* Fatal if any error */ #define MY_WME 16 /* Write message on error */ #define MY_WAIT_IF_FULL 32 /* Wait and try again if disk full error */ #define MY_RAID 64 /* Support for RAID (not the "Johnson&Johnson"-s one ;) */ #define MY_FULL_IO 512 /* For my_read - loop intil I/O is complete */ #define MY_DONT_CHECK_FILESIZE 128 /* Option to init_io_cache() */ #define MY_LINK_WARNING 32 /* my_redel() gives warning if links */ #define MY_COPYTIME 64 /* my_redel() copys time */ #define MY_DELETE_OLD 256 /* my_create_with_symlink() */ #define MY_RESOLVE_LINK 128 /* my_realpath(); Only resolve links */ #define MY_HOLD_ORIGINAL_MODES 128 /* my_copy() holds to file modes */ #define MY_REDEL_MAKE_BACKUP 256 #define MY_SEEK_NOT_DONE 32 /* my_lock may have to do a seek */ #define MY_DONT_WAIT 64 /* my_lock() don't wait if can't lock */ #define MY_ZEROFILL 32 /* my_malloc(), fill array with zero */ #define MY_ALLOW_ZERO_PTR 64 /* my_realloc() ; zero ptr -> malloc */ #define MY_FREE_ON_ERROR 128 /* my_realloc() ; Free old ptr on error */ #define MY_HOLD_ON_ERROR 256 /* my_realloc() ; Return old ptr on error */ #define MY_THREADSAFE 128 /* pread/pwrite: Don't allow interrupts */ #define MY_CHECK_ERROR 1 /* Params to my_end; Check open-close */ #define MY_GIVE_INFO 2 /* Give time info about process*/ #define ME_HIGHBYTE 8 /* Shift for colours */ #define ME_NOCUR 1 /* Don't use curses message */ #define ME_OLDWIN 2 /* Use old window */ #define ME_BELL 4 /* Ring bell then printing message */ #define ME_HOLDTANG 8 /* Don't delete last keys */ #define ME_WAITTOT 16 /* Wait for errtime secs of for a action */ #define ME_WAITTANG 32 /* Wait for a user action */ #define ME_NOREFRESH 64 /* Dont refresh screen */ #define ME_NOINPUT 128 /* Dont use the input libary */ #define ME_COLOUR1 ((1 << ME_HIGHBYTE)) /* Possibly error-colours */ #define ME_COLOUR2 ((2 << ME_HIGHBYTE)) #define ME_COLOUR3 ((3 << ME_HIGHBYTE)) /* Bits in last argument to fn_format */ #define MY_REPLACE_DIR 1 /* replace dir in name with 'dir' */ #define MY_REPLACE_EXT 2 /* replace extension with 'ext' */ #define MY_UNPACK_FILENAME 4 /* Unpack name (~ -> home) */ #define MY_PACK_FILENAME 8 /* Pack name (home -> ~) */ #define MY_RESOLVE_SYMLINKS 16 /* Resolve all symbolic links */ #define MY_RETURN_REAL_PATH 32 /* return full path for file */ #define MY_SAFE_PATH 64 /* Return NULL if too long path */ #define MY_RELATIVE_PATH 128 /* name is relative to 'dir' */ /* My seek flags */ #define MY_SEEK_SET 0 #define MY_SEEK_CUR 1 #define MY_SEEK_END 2 /* My charsets_list flags */ #define MY_NO_SETS 0 #define MY_COMPILED_SETS 1 /* show compiled-in sets */ #define MY_CONFIG_SETS 2 /* sets that have a *.conf file */ #define MY_INDEX_SETS 4 /* all sets listed in the Index file */ #define MY_LOADED_SETS 8 /* the sets that are currently loaded */ /* Some constants */ #define MY_WAIT_FOR_USER_TO_FIX_PANIC 60 /* in seconds */ #define MY_WAIT_GIVE_USER_A_MESSAGE 10 /* Every 10 times of prev */ #define MIN_COMPRESS_LENGTH 50 /* Don't compress small bl. */ #define DEFAULT_KEYCACHE_BLOCK_SIZE 1024 #define MAX_KEYCACHE_BLOCK_SIZE 16384 /* root_alloc flags */ #define MY_KEEP_PREALLOC 1 #define MY_MARK_BLOCKS_FREE 2 /* move used to free list and reuse them */ /* defines when allocating data */ #ifdef SAFEMALLOC #define my_malloc(SZ,FLAG) _mymalloc( SZ, __FILE__, __LINE__, FLAG ) #define my_realloc(PTR,SZ,FLAG) _myrealloc( PTR, SZ, __FILE__, __LINE__, FLAG ) #define my_checkmalloc() _sanity( __FILE__, __LINE__ ) #define my_free(PTR,FLAG) _myfree( PTR, __FILE__, __LINE__,FLAG) #define my_memdup(A,B,C) _my_memdup(A,B,__FILE__,__LINE__,C) #define my_strdup(A,C) _my_strdup(A,__FILE__,__LINE__,C) #define QUICK_SAFEMALLOC sf_malloc_quick=1 #define NORMAL_SAFEMALLOC sf_malloc_quick=0 extern uint sf_malloc_prehunc,sf_malloc_endhunc,sf_malloc_quick; extern ulonglong safemalloc_mem_limit; #else #define my_checkmalloc() (0) #undef TERMINATE #define TERMINATE(A) {} #define QUICK_SAFEMALLOC #define NORMAL_SAFEMALLOC extern gptr my_malloc(uint Size,myf MyFlags); extern gptr my_realloc(gptr oldpoint,uint Size,myf MyFlags); extern void my_no_flags_free(gptr ptr); extern gptr my_memdup(const byte *from,uint length,myf MyFlags); extern my_string my_strdup(const char *from,myf MyFlags); #define my_free(PTR,FG) my_no_flags_free(PTR) #endif #ifdef HAVE_ALLOCA #define my_alloca(SZ) alloca((size_t) (SZ)) #define my_afree(PTR) {} #else #define my_alloca(SZ) my_malloc(SZ,MYF(0)) #define my_afree(PTR) my_free(PTR,MYF(MY_WME)) #endif /* HAVE_ALLOCA */ #ifdef MSDOS #ifdef __ZTC__ void * __CDECL halloc(long count,size_t length); void __CDECL hfree(void *ptr); #endif #if defined(USE_HALLOC) #if defined(_VCM_) || defined(M_IC80386) #undef USE_HALLOC #endif #endif #ifdef USE_HALLOC #define malloc(a) halloc((long) (a),1) #define free(a) hfree(a) #endif #endif /* MSDOS */ #ifdef HAVE_ERRNO_AS_DEFINE #include <errno.h> /* errno is a define */ #else extern int errno; /* declare errno */ #endif extern const char ** NEAR my_errmsg[]; extern char NEAR errbuff[NRERRBUFFS][ERRMSGSIZE]; extern char *home_dir; /* Home directory for user */ extern char *my_progname; /* program-name (printed in errors) */ extern char NEAR curr_dir[]; /* Current directory for user */ extern int (*error_handler_hook)(uint my_err, const char *str,myf MyFlags); extern int (*fatal_error_handler_hook)(uint my_err, const char *str, myf MyFlags); /* charsets */ extern uint get_charset_number(const char *cs_name); extern const char *get_charset_name(uint cs_number); extern CHARSET_INFO *get_charset(uint cs_number, myf flags); extern my_bool set_default_charset(uint cs, myf flags); extern CHARSET_INFO *get_charset_by_name(const char *cs_name, myf flags); extern my_bool set_default_charset_by_name(const char *cs_name, myf flags); extern void free_charsets(void); extern char *list_charsets(myf want_flags); /* my_free() this string... */ extern char *get_charsets_dir(char *buf); /* statistics */ extern ulong _my_cache_w_requests,_my_cache_write,_my_cache_r_requests, _my_cache_read; extern ulong _my_blocks_used,_my_blocks_changed; extern uint key_cache_block_size; extern ulong my_file_opened,my_stream_opened, my_tmp_file_created; extern my_bool key_cache_inited, my_init_done; /* Point to current my_message() */ extern void (*my_sigtstp_cleanup)(void), /* Executed before jump to shell */ (*my_sigtstp_restart)(void), (*my_abort_hook)(int); /* Executed when comming from shell */ extern int NEAR my_umask, /* Default creation mask */ NEAR my_umask_dir, NEAR my_recived_signals, /* Signals we have got */ NEAR my_safe_to_handle_signal, /* Set when allowed to SIGTSTP */ NEAR my_dont_interrupt; /* call remember_intr when set */ extern my_bool NEAR mysys_uses_curses, my_use_symdir; extern long lCurMemory,lMaxMemory; /* from safemalloc */ extern ulong my_default_record_cache_size; extern my_bool NEAR my_disable_locking,NEAR my_disable_async_io, NEAR my_disable_flush_key_blocks, NEAR my_disable_symlinks; extern char wild_many,wild_one,wild_prefix; extern const char *charsets_dir; extern char *defaults_extra_file; typedef struct wild_file_pack /* Struct to hold info when selecting files */ { uint wilds; /* How many wildcards */ uint not_pos; /* Start of not-theese-files */ my_string *wild; /* Pointer to wildcards */ } WF_PACK; typedef struct st_typelib { /* Different types saved here */ uint count; /* How many types */ const char *name; /* Name of typelib */ const char **type_names; } TYPELIB; enum cache_type {READ_CACHE,WRITE_CACHE, SEQ_READ_APPEND /* sequential read or append */, READ_FIFO, READ_NET,WRITE_NET}; enum flush_type { FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED, FLUSH_FORCE_WRITE}; typedef struct st_record_cache /* Used when cacheing records */ { File file; int rc_seek,error,inited; uint rc_length,read_length,reclength; my_off_t rc_record_pos,end_of_file; byte *rc_buff,*rc_buff2,*rc_pos,*rc_end,*rc_request_pos; #ifdef HAVE_AIOWAIT int use_async_io; my_aio_result aio_result; #endif enum cache_type type; } RECORD_CACHE; enum file_type { UNOPEN = 0, FILE_BY_OPEN, FILE_BY_CREATE, STREAM_BY_FOPEN, STREAM_BY_FDOPEN, FILE_BY_MKSTEMP, FILE_BY_DUP }; extern struct my_file_info { my_string name; enum file_type type; #if defined(THREAD) && !defined(HAVE_PREAD) pthread_mutex_t mutex; #endif } my_file_info[MY_NFILE]; typedef struct st_dynamic_array { char *buffer; uint elements,max_element; uint alloc_increment; uint size_of_element; } DYNAMIC_ARRAY; typedef struct st_dynamic_string { char *str; uint length,max_length,alloc_increment; } DYNAMIC_STRING; struct st_io_cache; typedef int (*IO_CACHE_CALLBACK)(struct st_io_cache*); typedef struct st_io_cache /* Used when cacheing files */ { my_off_t pos_in_file,end_of_file; byte *rc_pos,*rc_end,*buffer,*rc_request_pos; my_bool alloced_buffer; /* currented READ_NET is the only one that will use a buffer allocated somewhere else */ byte *append_buffer, *append_pos, *append_end; /* for append buffer used in READ_APPEND cache */ #ifdef THREAD pthread_mutex_t append_buffer_lock; /* need mutex copying from append buffer to read buffer */ #endif int (*read_function)(struct st_io_cache *,byte *,uint); /* callbacks when the actual read I/O happens */ IO_CACHE_CALLBACK pre_read; IO_CACHE_CALLBACK post_read; IO_CACHE_CALLBACK pre_close; void* arg; /* for use by pre/post_read */ char *file_name; /* if used with 'open_cached_file' */ char *dir,*prefix; File file; int seek_not_done,error; uint buffer_length,read_length; myf myflags; /* Flags used to my_read/my_write */ enum cache_type type; #ifdef HAVE_AIOWAIT uint inited; my_off_t aio_read_pos; my_aio_result aio_result; #endif } IO_CACHE; typedef int (*qsort2_cmp)(const void *, const void *, const void *); /* defines for mf_iocache */ /* Test if buffer is inited */ #define my_b_clear(info) (info)->buffer=0 #define my_b_inited(info) (info)->buffer #define my_b_EOF INT_MIN #define my_b_read(info,Buffer,Count) \ ((info)->rc_pos + (Count) <= (info)->rc_end ?\ (memcpy(Buffer,(info)->rc_pos,(size_t) (Count)), \ ((info)->rc_pos+=(Count)),0) :\ (*(info)->read_function)((info),Buffer,Count)) #define my_b_get(info) \ ((info)->rc_pos != (info)->rc_end ?\ ((info)->rc_pos++, (int) (uchar) (info)->rc_pos[-1]) :\ _my_b_get(info)) #define my_b_write(info,Buffer,Count) \ ((info)->rc_pos + (Count) <= (info)->rc_end ?\ (memcpy((info)->rc_pos,Buffer,(size_t) (Count)), \ ((info)->rc_pos+=(Count)),0) :\ _my_b_write(info,Buffer,Count)) /* my_b_write_byte dosn't have any err-check */ #define my_b_write_byte(info,chr) \ (((info)->rc_pos < (info)->rc_end) ?\ ((*(info)->rc_pos++)=(chr)) :\ (_my_b_write(info,0,0) , ((*(info)->rc_pos++)=(chr)))) #define my_b_fill_cache(info) \ (((info)->rc_end=(info)->rc_pos),(*(info)->read_function)(info,0,0)) #define my_b_tell(info) ((info)->pos_in_file + \ ((info)->rc_pos - (info)->rc_request_pos)) #define my_b_bytes_in_cache(info) ((uint) ((info)->rc_end - (info)->rc_pos)) typedef struct st_changeable_var { const char *name; /* Name of variable */ long *varptr; /* Pointer to variable */ long def_value, /* Default value */ min_value, /* Min allowed value */ max_value, /* Max allowed value */ sub_size, /* Subtract this from given value */ block_size; /* Value should be a mult. of this */ } CHANGEABLE_VAR; /* structs for alloc_root */ #ifndef ST_USED_MEM_DEFINED #define ST_USED_MEM_DEFINED typedef struct st_used_mem { /* struct for once_alloc */ struct st_used_mem *next; /* Next block in use */ unsigned int left; /* memory left in block */ unsigned int size; /* Size of block */ } USED_MEM; typedef struct st_mem_root { USED_MEM *free; USED_MEM *used; USED_MEM *pre_alloc; unsigned int min_malloc; unsigned int block_size; void (*error_handler)(void); } MEM_ROOT; #endif /* Prototypes for mysys and my_func functions */ extern int my_copy(const char *from,const char *to,myf MyFlags); extern int my_append(const char *from,const char *to,myf MyFlags); extern int my_delete(const char *name,myf MyFlags); extern int my_getwd(my_string buf,uint size,myf MyFlags); extern int my_setwd(const char *dir,myf MyFlags); extern int my_lock(File fd,int op,my_off_t start, my_off_t length,myf MyFlags); extern gptr my_once_alloc(uint Size,myf MyFlags); extern void my_once_free(void); extern my_string my_tempnam(const char *dir,const char *pfx,myf MyFlags); extern File my_open(const char *FileName,int Flags,myf MyFlags); extern File my_register_filename(File fd, const char *FileName, enum file_type type_of_file, uint error_message_number, myf MyFlags); extern File my_create(const char *FileName,int CreateFlags, int AccsesFlags, myf MyFlags); extern int my_close(File Filedes,myf MyFlags); extern File my_dup(File file, myf MyFlags); extern int my_mkdir(const char *dir, int Flags, myf MyFlags); extern int my_readlink(char *to, const char *filename, myf MyFlags); extern int my_realpath(char *to, const char *filename, myf MyFlags); extern File my_create_with_symlink(const char *linkname, const char *filename, int createflags, int access_flags, myf MyFlags); extern int my_delete_with_symlink(const char *name, myf MyFlags); extern int my_rename_with_symlink(const char *from,const char *to,myf MyFlags); extern int my_symlink(const char *content, const char *linkname, myf MyFlags); extern uint my_read(File Filedes,byte *Buffer,uint Count,myf MyFlags); extern uint my_pread(File Filedes,byte *Buffer,uint Count,my_off_t offset, myf MyFlags); extern int my_rename(const char *from,const char *to,myf MyFlags); extern my_off_t my_seek(File fd,my_off_t pos,int whence,myf MyFlags); extern my_off_t my_tell(File fd,myf MyFlags); extern uint my_write(File Filedes,const byte *Buffer,uint Count, myf MyFlags); extern uint my_pwrite(File Filedes,const byte *Buffer,uint Count, my_off_t offset,myf MyFlags); extern uint my_fread(FILE *stream,byte *Buffer,uint Count,myf MyFlags); extern uint my_fwrite(FILE *stream,const byte *Buffer,uint Count, myf MyFlags); extern my_off_t my_fseek(FILE *stream,my_off_t pos,int whence,myf MyFlags); extern my_off_t my_ftell(FILE *stream,myf MyFlags); extern gptr _mymalloc(uint uSize,const char *sFile, uint uLine, myf MyFlag); extern gptr _myrealloc(gptr pPtr,uint uSize,const char *sFile, uint uLine, myf MyFlag); extern gptr my_multi_malloc _VARARGS((myf MyFlags, ...)); extern void _myfree(gptr pPtr,const char *sFile,uint uLine, myf MyFlag); extern int _sanity(const char *sFile,unsigned int uLine); extern gptr _my_memdup(const byte *from,uint length, const char *sFile, uint uLine,myf MyFlag); extern my_string _my_strdup(const char *from, const char *sFile, uint uLine, myf MyFlag); #ifndef TERMINATE extern void TERMINATE(FILE *file); #endif extern void init_glob_errs(void); extern FILE *my_fopen(const char *FileName,int Flags,myf MyFlags); extern FILE *my_fdopen(File Filedes,const char *name, int Flags,myf MyFlags); extern int my_fclose(FILE *fd,myf MyFlags); extern int my_chsize(File fd,my_off_t newlength,myf MyFlags); extern int my_error _VARARGS((int nr,myf MyFlags, ...)); extern int my_printf_error _VARARGS((uint my_err, const char *format, myf MyFlags, ...) __attribute__ ((format (printf, 2, 4)))); extern int my_vsnprintf( char *str, size_t n, const char *format, va_list ap ); extern int my_snprintf(char* to, size_t n, const char* fmt, ...); extern int my_message(uint my_err, const char *str,myf MyFlags); extern int my_message_no_curses(uint my_err, const char *str,myf MyFlags); extern int my_message_curses(uint my_err, const char *str,myf MyFlags); extern void my_init(void); extern void my_end(int infoflag); extern int my_redel(const char *from, const char *to, int MyFlags); extern int my_copystat(const char *from, const char *to, int MyFlags); extern my_string my_filename(File fd); #ifndef THREAD extern void dont_break(void); extern void allow_break(void); #else #define dont_break() #define allow_break() #endif extern void my_remember_signal(int signal_number,sig_handler (*func)(int)); extern void caseup(my_string str,uint length); extern void casedn(my_string str,uint length); extern void caseup_str(my_string str); extern void casedn_str(my_string str); extern void case_sort(my_string str,uint length); extern uint dirname_part(my_string to,const char *name); extern uint dirname_length(const char *name); #define base_name(A) (A+dirname_length(A)) extern int test_if_hard_path(const char *dir_name); extern char *convert_dirname(char *to, const char *from, const char *from_end); extern void to_unix_path(my_string name); extern my_string fn_ext(const char *name); extern my_string fn_same(my_string toname,const char *name,int flag); extern my_string fn_format(my_string to,const char *name,const char *dir, const char *form, uint flag); extern size_s strlength(const char *str); extern void pack_dirname(my_string to,const char *from); extern uint unpack_dirname(my_string to,const char *from); extern uint cleanup_dirname(my_string to,const char *from); extern uint system_filename(my_string to,const char *from); extern my_string unpack_filename(my_string to,const char *from); extern my_string intern_filename(my_string to,const char *from); extern my_string directory_file_name(my_string dst, const char *src); extern int pack_filename(my_string to, const char *name, size_s max_length); extern my_string my_path(my_string to,const char *progname, const char *own_pathname_part); extern my_string my_load_path(my_string to, const char *path, const char *own_path_prefix); extern int wild_compare(const char *str,const char *wildstr); extern my_string my_strcasestr(const char *src,const char *suffix); extern int my_strcasecmp(const char *s,const char *t); extern int my_strsortcmp(const char *s,const char *t); extern int my_casecmp(const char *s,const char *t,uint length); extern int my_sortcmp(const char *s,const char *t,uint length); extern int my_sortncmp(const char *s,uint s_len, const char *t,uint t_len); extern WF_PACK *wf_comp(my_string str); extern int wf_test(struct wild_file_pack *wf_pack,const char *name); extern void wf_end(struct wild_file_pack *buffer); extern size_s stripp_sp(my_string str); extern void get_date(my_string to,int timeflag,time_t use_time); extern void soundex(my_string out_pntr, my_string in_pntr,pbool remove_garbage); extern int init_record_cache(RECORD_CACHE *info,uint cachesize,File file, uint reclength,enum cache_type type, pbool use_async_io); extern int read_cache_record(RECORD_CACHE *info,byte *to); extern int end_record_cache(RECORD_CACHE *info); extern int write_cache_record(RECORD_CACHE *info,my_off_t filepos, const byte *record,uint length); extern int flush_write_cache(RECORD_CACHE *info); extern long my_clock(void); extern sig_handler sigtstp_handler(int signal_number); extern void handle_recived_signals(void); extern int init_key_cache(ulong use_mem,ulong leave_this_much_mem); extern byte *key_cache_read(File file,my_off_t filepos,byte* buff,uint length, uint block_length,int return_buffer); extern int key_cache_write(File file,my_off_t filepos,byte* buff,uint length, uint block_length,int force_write); extern int flush_key_blocks(int file, enum flush_type type); extern void end_key_cache(void); extern sig_handler my_set_alarm_variable(int signo); extern void my_string_ptr_sort(void *base,uint items,size_s size); extern void radixsort_for_str_ptr(uchar* base[], uint number_of_elements, size_s size_of_element,uchar *buffer[]); extern qsort_t qsort2(void *base_ptr, size_t total_elems, size_t size, qsort2_cmp cmp, void *cmp_argument); extern qsort2_cmp get_ptr_compare(uint); extern int init_io_cache(IO_CACHE *info,File file,uint cachesize, enum cache_type type,my_off_t seek_offset, pbool use_async_io, myf cache_myflags); extern my_bool reinit_io_cache(IO_CACHE *info,enum cache_type type, my_off_t seek_offset,pbool use_async_io, pbool clear_cache); extern int _my_b_read(IO_CACHE *info,byte *Buffer,uint Count); extern int _my_b_seq_read(IO_CACHE *info,byte *Buffer,uint Count); extern int _my_b_net_read(IO_CACHE *info,byte *Buffer,uint Count); extern int _my_b_get(IO_CACHE *info); extern int _my_b_async_read(IO_CACHE *info,byte *Buffer,uint Count); extern int _my_b_write(IO_CACHE *info,const byte *Buffer,uint Count); extern int my_block_write(IO_CACHE *info, const byte *Buffer, uint Count, my_off_t pos); extern int flush_io_cache(IO_CACHE *info); extern int end_io_cache(IO_CACHE *info); extern uint my_b_fill(IO_CACHE *info); extern void my_b_seek(IO_CACHE *info,my_off_t pos); extern uint my_b_gets(IO_CACHE *info, char *to, uint max_length); extern uint my_b_printf(IO_CACHE *info, const char* fmt, ...); extern uint my_b_vprintf(IO_CACHE *info, const char* fmt, va_list ap); extern my_bool open_cached_file(IO_CACHE *cache,const char *dir, const char *prefix, uint cache_size, myf cache_myflags); extern my_bool real_open_cached_file(IO_CACHE *cache); extern void close_cached_file(IO_CACHE *cache); File create_temp_file(char *to, const char *dir, const char *pfx, int mode, myf MyFlags); extern my_bool init_dynamic_array(DYNAMIC_ARRAY *array,uint element_size, uint init_alloc,uint alloc_increment); extern my_bool insert_dynamic(DYNAMIC_ARRAY *array,gptr element); extern byte *alloc_dynamic(DYNAMIC_ARRAY *array); extern byte *pop_dynamic(DYNAMIC_ARRAY*); extern my_bool set_dynamic(DYNAMIC_ARRAY *array,gptr element,uint array_index); extern void get_dynamic(DYNAMIC_ARRAY *array,gptr element,uint array_index); extern void delete_dynamic(DYNAMIC_ARRAY *array); extern void delete_dynamic_element(DYNAMIC_ARRAY *array, uint array_index); extern void freeze_size(DYNAMIC_ARRAY *array); #define dynamic_array_ptr(array,array_index) ((array)->buffer+(array_index)*(array)->size_of_element) #define dynamic_element(array,array_index,type) ((type)((array)->buffer) +(array_index)) #define push_dynamic(A,B) insert_dynamic(A,B) extern int find_type(my_string x,TYPELIB *typelib,uint full_name); extern void make_type(my_string to,uint nr,TYPELIB *typelib); extern const char *get_type(TYPELIB *typelib,uint nr); extern my_bool init_dynamic_string(DYNAMIC_STRING *str, const char *init_str, uint init_alloc,uint alloc_increment); extern my_bool dynstr_append(DYNAMIC_STRING *str, const char *append); my_bool dynstr_append_mem(DYNAMIC_STRING *str, const char *append, uint length); extern my_bool dynstr_set(DYNAMIC_STRING *str, const char *init_str); extern my_bool dynstr_realloc(DYNAMIC_STRING *str, ulong additional_size); extern void dynstr_free(DYNAMIC_STRING *str); void set_all_changeable_vars(CHANGEABLE_VAR *vars); my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars); my_bool set_changeable_varval(const char *var, ulong val, CHANGEABLE_VAR *vars); #ifdef HAVE_MLOCK extern byte *my_malloc_lock(uint length,myf flags); extern void my_free_lock(byte *ptr,myf flags); #else #define my_malloc_lock(A,B) my_malloc((A),(B)) #define my_free_lock(A,B) my_free((A),(B)) #endif #define alloc_root_inited(A) ((A)->min_malloc != 0) void init_alloc_root(MEM_ROOT *mem_root, uint block_size, uint pre_alloc_size); gptr alloc_root(MEM_ROOT *mem_root,unsigned int Size); void free_root(MEM_ROOT *root, myf MyFLAGS); void set_prealloc_root(MEM_ROOT *root, char *ptr); char *strdup_root(MEM_ROOT *root,const char *str); char *strmake_root(MEM_ROOT *root,const char *str,uint len); char *memdup_root(MEM_ROOT *root,const char *str,uint len); void load_defaults(const char *conf_file, const char **groups, int *argc, char ***argv); void free_defaults(char **argv); void print_defaults(const char *conf_file, const char **groups); my_bool my_compress(byte *, ulong *, ulong *); my_bool my_uncompress(byte *, ulong *, ulong *); byte *my_compress_alloc(const byte *packet, ulong *len, ulong *complen); ulong checksum(const byte *mem, uint count); uint my_bit_log2(ulong value); #if defined(_MSC_VER) && !defined(__WIN__) extern void sleep(int sec); #endif #ifdef __WIN__ extern my_bool have_tcpip; /* Is set if tcpip is used */ #endif #ifdef __cplusplus } #endif #include "raid.h" #endif /* _my_sys_h */