my_sys.h 24.5 KB
Newer Older
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
/* 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 ;) */
62
#define MY_DONT_CHECK_FILESIZE 128	/* Option to init_io_cache() */
bk@work.mysql.com's avatar
bk@work.mysql.com committed
63 64
#define MY_LINK_WARNING 32	/* my_redel() gives warning if links */
#define MY_COPYTIME	64	/* my_redel() copys time */
65 66
#define MY_DELETE_OLD	256	/* my_create_with_symlink() */
#define MY_RESOLVE_LINK 128	/* my_realpath(); Only resolve links */
bk@work.mysql.com's avatar
bk@work.mysql.com committed
67
#define MY_HOLD_ORIGINAL_MODES 128  /* my_copy() holds to file modes */
68
#define MY_REDEL_MAKE_BACKUP 256
bk@work.mysql.com's avatar
bk@work.mysql.com committed
69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
#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))

	/* 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 KEYCACHE_BLOCK_SIZE		1024

111 112
	/* root_alloc flags */
#define MY_KEEP_PREALLOC	1
113
#define MY_MARK_BLOCKS_FREE     2  /* move used to free list and reuse them */
114
  
bk@work.mysql.com's avatar
bk@work.mysql.com committed
115 116 117 118 119 120 121 122 123 124 125 126
	/* 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;
127
extern ulonglong safemalloc_mem_limit;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
#else
#define my_checkmalloc() (0)
#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
168
extern const char ** NEAR my_errmsg[];
bk@work.mysql.com's avatar
bk@work.mysql.com committed
169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
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... */
186
extern char *get_charsets_dir(char *buf);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
187 188


189
/* statistics */
bk@work.mysql.com's avatar
bk@work.mysql.com committed
190 191 192
extern ulong	_my_cache_w_requests,_my_cache_write,_my_cache_r_requests,
		_my_cache_read;
extern ulong	 _my_blocks_used,_my_blocks_changed;
193
extern ulong	my_file_opened,my_stream_opened, my_tmp_file_created;
194
extern my_bool	key_cache_inited;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211

					/* 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,
212
               NEAR my_disable_flush_key_blocks, NEAR my_disable_symlinks;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
213 214
extern char	wild_many,wild_one,wild_prefix;
extern const char *charsets_dir;
monty@tramp.mysql.fi's avatar
monty@tramp.mysql.fi committed
215
extern char *defaults_extra_file;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
216 217 218 219 220 221 222 223 224 225 226 227 228 229

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;

230
enum cache_type {READ_CACHE,WRITE_CACHE,READ_FIFO,READ_NET,WRITE_NET};
bk@work.mysql.com's avatar
bk@work.mysql.com committed
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248
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,
249
		   STREAM_BY_FOPEN, STREAM_BY_FDOPEN, FILE_BY_MKSTEMP };
bk@work.mysql.com's avatar
bk@work.mysql.com committed
250 251 252 253 254

extern struct my_file_info
{
  my_string		name;
  enum file_type	type;
255 256 257
#if defined(THREAD) && !defined(HAVE_PREAD)  
  pthread_mutex_t	mutex;
#endif
bk@work.mysql.com's avatar
bk@work.mysql.com committed
258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275
} 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;


typedef struct st_io_cache		/* Used when cacheing files */
{
276
  my_off_t pos_in_file,end_of_file;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
277
  byte	*rc_pos,*rc_end,*buffer,*rc_request_pos;
278 279 280
  int (*read_function)(struct st_io_cache *,byte *,uint);
  char *file_name;			/* if used with 'open_cached_file' */
  char *dir,*prefix;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
281 282 283 284
  File file;
  int	seek_not_done,error;
  uint	buffer_length,read_length;
  myf	myflags;			/* Flags used to my_read/my_write */
285
  enum cache_type type;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330
#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))

331 332
#define my_b_bytes_in_cache(info) ((uint) ((info)->rc_end - (info)->rc_pos))

bk@work.mysql.com's avatar
bk@work.mysql.com committed
333
typedef struct st_changeable_var {
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
334 335 336 337 338 339 340
  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 */
bk@work.mysql.com's avatar
bk@work.mysql.com committed
341 342 343 344 345 346 347 348 349
} 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 */
350 351
  unsigned int left;				/* memory left in block  */
  unsigned int size;				/* Size of block */
bk@work.mysql.com's avatar
bk@work.mysql.com committed
352 353 354 355 356
} USED_MEM;

typedef struct st_mem_root {
  USED_MEM *free;
  USED_MEM *used;
357
  USED_MEM *pre_alloc;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
358 359
  unsigned int	min_malloc;
  unsigned int	block_size;
360

bk@work.mysql.com's avatar
bk@work.mysql.com committed
361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376
  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);
377 378 379
extern File my_register_filename(File fd, const char *FileName,
				 enum file_type type_of_file,
				 uint error_message_number, myf MyFlags);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
380 381 382 383
extern File my_create(const char *FileName,int CreateFlags,
		      int AccsesFlags, myf MyFlags);
extern int my_close(File Filedes,myf MyFlags);
extern int my_mkdir(const char *dir, int Flags, myf MyFlags);
384 385 386 387 388
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);
389 390
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);
391
extern int my_symlink(const char *content, const char *linkname, myf MyFlags);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422
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);
423
extern FILE *my_fdopen(File Filedes,const char *name, int Flags,myf MyFlags);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
424 425 426 427 428 429 430 431
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 );
432
extern int my_snprintf(char* to, size_t n, const char* fmt, ...);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
433 434 435 436 437 438 439 440 441
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);

442
#ifndef THREAD
bk@work.mysql.com's avatar
bk@work.mysql.com committed
443 444
extern void dont_break(void);
extern void allow_break(void);
445 446 447 448 449
#else
#define dont_break()
#define allow_break()
#endif

bk@work.mysql.com's avatar
bk@work.mysql.com committed
450 451 452 453 454 455 456 457 458 459
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);
460
extern char *convert_dirname(my_string name);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531
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 *dsk,
			   const char *form,int 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_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);
532 533 534 535
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, ...);
536
extern uint my_b_vprintf(IO_CACHE *info, const char* fmt, va_list ap);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
537 538 539 540 541
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);
542 543
File create_temp_file(char *to, const char *dir, const char *pfx,
		      int mode, myf MyFlags);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563
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);
564 565
my_bool dynstr_append_mem(DYNAMIC_STRING *str, const char *append,
			  uint length);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
566 567 568 569 570 571 572 573 574 575 576 577 578 579
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
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
580
#define alloc_root_inited(A) ((A)->min_malloc != 0)
581
void init_alloc_root(MEM_ROOT *mem_root, uint block_size, uint pre_alloc_size);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
582
gptr alloc_root(MEM_ROOT *mem_root,unsigned int Size);
583
void free_root(MEM_ROOT *root, myf MyFLAGS);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606
char *strdup_root(MEM_ROOT *root,const char *str);
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);

#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 */