Annotation of win32/sql/mysql/include/my_sys.h, revision 1.1.1.1
1.1 parser 1: /* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
2: This file is public domain and comes with NO WARRANTY of any kind */
3:
4: #ifndef _my_sys_h
5: #define _my_sys_h
6: #ifdef __cplusplus
7: extern "C" {
8: #endif
9:
10: #ifdef HAVE_AIOWAIT
11: #include <sys/asynch.h> /* Used by record-cache */
12: typedef struct my_aio_result {
13: aio_result_t result;
14: int pending;
15: } my_aio_result;
16: #endif
17:
18: #ifndef THREAD
19: extern int NEAR my_errno; /* Last error in mysys */
20: #else
21: #include <my_pthread.h>
22: #endif
23:
24: #include <stdarg.h>
25:
26: #define MYSYS_PROGRAM_USES_CURSES() { error_handler_hook = my_message_curses; mysys_uses_curses=1; }
27: #define MYSYS_PROGRAM_DONT_USE_CURSES() { error_handler_hook = my_message_no_curses; mysys_uses_curses=0;}
28: #define MY_INIT(name); { my_progname= name; my_init(); }
29:
30: #define MAXMAPS (4) /* Number of error message maps */
31: #define ERRMOD (1000) /* Max number of errors in a map */
32: #define ERRMSGSIZE (SC_MAXWIDTH) /* Max length of a error message */
33: #define NRERRBUFFS (2) /* Buffers for parameters */
34: #define MY_FILE_ERROR ((uint) ~0)
35:
36: /* General bitmaps for my_func's */
37: #define MY_FFNF 1 /* Fatal if file not found */
38: #define MY_FNABP 2 /* Fatal if not all bytes read/writen */
39: #define MY_NABP 4 /* Error if not all bytes read/writen */
40: #define MY_FAE 8 /* Fatal if any error */
41: #define MY_WME 16 /* Write message on error */
42: #define MY_WAIT_IF_FULL 32 /* Wait and try again if disk full error */
43: #define MY_RAID 64 /* Support for RAID (not the "Johnson&Johnson"-s one ;) */
44: #define MY_LINK_WARNING 32 /* my_redel() gives warning if links */
45: #define MY_COPYTIME 64 /* my_redel() copys time */
46: #define MY_HOLD_ORIGINAL_MODES 128 /* my_copy() holds to file modes */
47: #define MY_SEEK_NOT_DONE 32 /* my_lock may have to do a seek */
48: #define MY_DONT_WAIT 64 /* my_lock() don't wait if can't lock */
49: #define MY_ZEROFILL 32 /* my_malloc(), fill array with zero */
50: #define MY_ALLOW_ZERO_PTR 64 /* my_realloc() ; zero ptr -> malloc */
51: #define MY_FREE_ON_ERROR 128 /* my_realloc() ; Free old ptr on error */
52: #define MY_HOLD_ON_ERROR 256 /* my_realloc() ; Return old ptr on error */
53:
54: #define MY_CHECK_ERROR 1 /* Params to my_end; Check open-close */
55: #define MY_GIVE_INFO 2 /* Give time info about process*/
56:
57: #define ME_HIGHBYTE 8 /* Shift for colours */
58: #define ME_NOCUR 1 /* Don't use curses message */
59: #define ME_OLDWIN 2 /* Use old window */
60: #define ME_BELL 4 /* Ring bell then printing message */
61: #define ME_HOLDTANG 8 /* Don't delete last keys */
62: #define ME_WAITTOT 16 /* Wait for errtime secs of for a action */
63: #define ME_WAITTANG 32 /* Wait for a user action */
64: #define ME_NOREFRESH 64 /* Dont refresh screen */
65: #define ME_NOINPUT 128 /* Dont use the input libary */
66: #define ME_COLOUR1 ((1 << ME_HIGHBYTE)) /* Possibly error-colours */
67: #define ME_COLOUR2 ((2 << ME_HIGHBYTE))
68: #define ME_COLOUR3 ((3 << ME_HIGHBYTE))
69:
70: /* My seek flags */
71: #define MY_SEEK_SET 0
72: #define MY_SEEK_CUR 1
73: #define MY_SEEK_END 2
74:
75: /* Some constants */
76: #define MY_WAIT_FOR_USER_TO_FIX_PANIC 60 /* in seconds */
77: #define MY_WAIT_GIVE_USER_A_MESSAGE 10 /* Every 10 times of prev */
78: #define MIN_COMPRESS_LENGTH 50 /* Don't compress small bl. */
79:
80: /* defines when allocating data */
81:
82: #ifdef SAFEMALLOC
83: #define my_malloc(SZ,FLAG) _mymalloc( SZ, __FILE__, __LINE__, FLAG )
84: #define my_realloc(PTR,SZ,FLAG) _myrealloc( PTR, SZ, __FILE__, __LINE__, FLAG )
85: #define my_checkmalloc() _sanity( __FILE__, __LINE__ )
86: #define my_free(PTR,FLAG) _myfree( PTR, __FILE__, __LINE__,FLAG)
87: #define my_memdup(A,B,C) _my_memdup(A,B,__FILE__,__LINE__,C)
88: #define my_strdup(A,C) _my_strdup(A,__FILE__,__LINE__,C)
89: #define QUICK_SAFEMALLOC sf_malloc_quick=1
90: #define NORMAL_SAFEMALLOC sf_malloc_quick=0
91: extern uint sf_malloc_prehunc,sf_malloc_endhunc,sf_malloc_quick;
92: #else
93: #define my_checkmalloc() (0)
94: #define TERMINATE(A) {}
95: #define QUICK_SAFEMALLOC
96: #define NORMAL_SAFEMALLOC
97: extern gptr my_malloc(uint Size,myf MyFlags);
98: extern gptr my_realloc(gptr oldpoint,uint Size,myf MyFlags);
99: extern void my_no_flags_free(gptr ptr);
100: extern gptr my_memdup(const byte *from,uint length,myf MyFlags);
101: extern my_string my_strdup(const char *from,myf MyFlags);
102: #define my_free(PTR,FG) my_no_flags_free(PTR)
103: #endif
104: #ifdef HAVE_ALLOCA
105: #define my_alloca(SZ) alloca((size_t) (SZ))
106: #define my_afree(PTR) {}
107: #else
108: #define my_alloca(SZ) my_malloc(SZ,MYF(0))
109: #define my_afree(PTR) my_free(PTR,MYF(MY_WME))
110: #endif /* HAVE_ALLOCA */
111: #ifdef MSDOS
112: #ifdef __ZTC__
113: void * __CDECL halloc(long count,size_t length);
114: void __CDECL hfree(void *ptr);
115: #endif
116: #if defined(USE_HALLOC)
117: #if defined(_VCM_) || defined(M_IC80386)
118: #undef USE_HALLOC
119: #endif
120: #endif
121: #ifdef USE_HALLOC
122: #define malloc(a) halloc((long) (a),1)
123: #define free(a) hfree(a)
124: #endif
125: #endif /* MSDOS */
126:
127: #ifdef HAVE_ERRNO_AS_DEFINE
128: #include <errno.h> /* errno is a define */
129: #else
130: extern int errno; /* declare errno */
131: #endif
132: extern const char ** NEAR errmsg[];
133: extern char NEAR errbuff[NRERRBUFFS][ERRMSGSIZE];
134: extern char *home_dir; /* Home directory for user */
135: extern char *my_progname; /* program-name (printed in errors) */
136: extern char NEAR curr_dir[]; /* Current directory for user */
137: extern int (*error_handler_hook)(uint my_err, const char *str,myf MyFlags);
138: extern int (*fatal_error_handler_hook)(uint my_err, const char *str,
139: myf MyFlags);
140:
141:
142: /* statisticts */
143: extern ulong _my_cache_w_requests,_my_cache_write,_my_cache_r_requests,
144: _my_cache_read;
145: extern ulong _my_blocks_used,_my_blocks_changed;
146: extern uint my_file_opened,my_stream_opened;
147:
148: /* Point to current my_message() */
149: extern void (*my_sigtstp_cleanup)(void),
150: /* Executed before jump to shell */
151: (*my_sigtstp_restart)(void),
152: (*my_abort_hook)(int);
153: /* Executed when comming from shell */
154: extern int NEAR my_umask, /* Default creation mask */
155: NEAR my_recived_signals, /* Signals we have got */
156: NEAR my_safe_to_handle_signal, /* Set when allowed to SIGTSTP */
157: NEAR my_dont_interrupt; /* call remember_intr when set */
158: extern my_bool NEAR mysys_uses_curses;
159: extern long lCurMemory,lMaxMemory; /* from safemalloc */
160:
161: extern ulong my_default_record_cache_size;
162: extern my_bool NEAR my_disable_locking,NEAR my_disable_async_io,
163: NEAR my_disable_flush_key_blocks;
164: extern char wild_many,wild_one,wild_prefix;
165:
166: typedef struct wild_file_pack /* Struct to hold info when selecting files */
167: {
168: uint wilds; /* How many wildcards */
169: uint not_pos; /* Start of not-theese-files */
170: my_string *wild; /* Pointer to wildcards */
171: } WF_PACK;
172:
173: typedef struct st_typelib { /* Different types saved here */
174: uint count; /* How many types */
175: my_string name; /* Name of typelib */
176: my_string *type_names;
177: } TYPELIB;
178:
179: enum cache_type {READ_CACHE,WRITE_CACHE,READ_NET,WRITE_NET};
180: enum flush_type { FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED};
181:
182: typedef struct st_record_cache /* Used when cacheing records */
183: {
184: File file;
185: int rc_seek,error,inited;
186: uint rc_length,read_length,reclength;
187: my_off_t rc_record_pos,end_of_file;
188: byte *rc_buff,*rc_buff2,*rc_pos,*rc_end,*rc_request_pos;
189: #ifdef HAVE_AIOWAIT
190: int use_async_io;
191: my_aio_result aio_result;
192: #endif
193: enum cache_type type;
194: } RECORD_CACHE;
195:
196: enum file_type { UNOPEN = 0, FILE_BY_OPEN, FILE_BY_CREATE,
197: STREAM_BY_FOPEN, STREAM_BY_FDOPEN };
198:
199: extern struct my_file_info
200: {
201: my_string name;
202: enum file_type type;
203: } my_file_info[MY_NFILE];
204:
205:
206: typedef struct st_dynamic_array {
207: char *buffer;
208: uint elements,max_element;
209: uint alloc_increment;
210: uint size_of_element;
211: } DYNAMIC_ARRAY;
212:
213: typedef struct st_dynamic_string {
214: char *str;
215: uint length,max_length,alloc_increment;
216: } DYNAMIC_STRING;
217:
218:
219: typedef struct st_io_cache /* Used when cacheing files */
220: {
221: byte *rc_pos,*rc_end,*buffer,*rc_request_pos;
222: File file;
223: int seek_not_done,error;
224: uint buffer_length,read_length;
225: my_off_t pos_in_file,end_of_file;
226: myf myflags; /* Flags used to my_read/my_write */
227: #ifdef HAVE_AIOWAIT
228: uint inited;
229: my_off_t aio_read_pos;
230: my_aio_result aio_result;
231: #endif
232: enum cache_type type;
233: int (*read_function)(struct st_io_cache *,byte *,uint);
234: char *file_name; /* if used with 'open_cacheed_file' */
235: } IO_CACHE;
236:
237: typedef int (*qsort2_cmp)(const void *, const void *, const void *);
238:
239: /* defines for mf_iocache */
240:
241: /* Test if buffer is inited */
242: #define my_b_clear(info) (info)->buffer=0
243: #define my_b_inited(info) (info)->buffer
244: #define my_b_EOF INT_MIN
245:
246: #define my_b_read(info,Buffer,Count) \
247: ((info)->rc_pos + (Count) <= (info)->rc_end ?\
248: (memcpy(Buffer,(info)->rc_pos,(size_t) (Count)), \
249: ((info)->rc_pos+=(Count)),0) :\
250: (*(info)->read_function)((info),Buffer,Count))
251:
252: #define my_b_get(info) \
253: ((info)->rc_pos != (info)->rc_end ?\
254: ((info)->rc_pos++, (int) (uchar) (info)->rc_pos[-1]) :\
255: _my_b_get(info))
256:
257: #define my_b_write(info,Buffer,Count) \
258: ((info)->rc_pos + (Count) <= (info)->rc_end ?\
259: (memcpy((info)->rc_pos,Buffer,(size_t) (Count)), \
260: ((info)->rc_pos+=(Count)),0) :\
261: _my_b_write(info,Buffer,Count))
262:
263: /* my_b_write_byte dosn't have any err-check */
264: #define my_b_write_byte(info,chr) \
265: (((info)->rc_pos < (info)->rc_end) ?\
266: ((*(info)->rc_pos++)=(chr)) :\
267: (_my_b_write(info,0,0) , ((*(info)->rc_pos++)=(chr))))
268:
269: #define my_b_fill_cache(info) \
270: (((info)->rc_end=(info)->rc_pos),(*(info)->read_function)(info,0,0))
271:
272: #define my_b_tell(info) ((info)->pos_in_file + \
273: ((info)->rc_pos - (info)->rc_request_pos))
274:
275: typedef struct st_changeable_var {
276: const char *name;
277: long *varptr;
278: long def_value,min_value,max_value,sub_size,block_size;
279: } CHANGEABLE_VAR;
280:
281:
282: /* structs for alloc_root */
283:
284: #ifndef ST_USED_MEM_DEFINED
285: #define ST_USED_MEM_DEFINED
286: typedef struct st_used_mem { /* struct for once_alloc */
287: struct st_used_mem *next; /* Next block in use */
288: unsigned int left; /* memory left in block */
289: unsigned int size; /* size of block */
290: } USED_MEM;
291:
292: typedef struct st_mem_root {
293: USED_MEM *free;
294: USED_MEM *used;
295: unsigned int min_malloc;
296: unsigned int block_size;
297: void (*error_handler)(void);
298: } MEM_ROOT;
299: #endif
300:
301: /* Prototypes for mysys and my_func functions */
302:
303: extern int my_copy(const char *from,const char *to,myf MyFlags);
304: extern int my_append(const char *from,const char *to,myf MyFlags);
305: extern int my_delete(const char *name,myf MyFlags);
306: extern int my_getwd(my_string buf,uint size,myf MyFlags);
307: extern int my_setwd(const char *dir,myf MyFlags);
308: extern int my_lock(File fd,int op,my_off_t start, my_off_t length,myf MyFlags);
309: extern gptr my_once_alloc(uint Size,myf MyFlags);
310: extern void my_once_free(void);
311: extern my_string my_tempnam(const char *dir,const char *pfx,myf MyFlags);
312: extern File my_open(const char *FileName,int Flags,myf MyFlags);
313: extern File my_create(const char *FileName,int CreateFlags,
314: int AccsesFlags, myf MyFlags);
315: extern int my_close(File Filedes,myf MyFlags);
316: extern int my_mkdir(const char *dir, int Flags, myf MyFlags);
317: extern uint my_read(File Filedes,byte *Buffer,uint Count,myf MyFlags);
318: extern uint my_pread(File Filedes,byte *Buffer,uint Count,my_off_t offset,
319: myf MyFlags);
320: extern int my_rename(const char *from,const char *to,myf MyFlags);
321: extern my_off_t my_seek(File fd,my_off_t pos,int whence,myf MyFlags);
322: extern my_off_t my_tell(File fd,myf MyFlags);
323: extern uint my_write(File Filedes,const byte *Buffer,uint Count,
324: myf MyFlags);
325: extern uint my_pwrite(File Filedes,const byte *Buffer,uint Count,
326: my_off_t offset,myf MyFlags);
327: extern uint my_fread(FILE *stream,byte *Buffer,uint Count,myf MyFlags);
328: extern uint my_fwrite(FILE *stream,const byte *Buffer,uint Count,
329: myf MyFlags);
330: extern my_off_t my_fseek(FILE *stream,my_off_t pos,int whence,myf MyFlags);
331: extern my_off_t my_ftell(FILE *stream,myf MyFlags);
332: extern gptr _mymalloc(uint uSize,const char *sFile,
333: uint uLine, myf MyFlag);
334: extern gptr _myrealloc(gptr pPtr,uint uSize,const char *sFile,
335: uint uLine, myf MyFlag);
336: extern gptr my_multi_malloc _VARARGS((myf MyFlags, ...));
337: extern void _myfree(gptr pPtr,const char *sFile,uint uLine, myf MyFlag);
338: extern int _sanity(const char *sFile,unsigned int uLine);
339: extern gptr _my_memdup(const byte *from,uint length,
340: const char *sFile, uint uLine,myf MyFlag);
341: extern my_string _my_strdup(const char *from, const char *sFile, uint uLine,
342: myf MyFlag);
343: #ifndef TERMINATE
344: extern void TERMINATE(FILE *file);
345: #endif
346: extern void init_glob_errs(void);
347: extern FILE *my_fopen(const char *FileName,int Flags,myf MyFlags);
348: extern FILE *my_fdopen(File Filedes,int Flags,myf MyFlags);
349: extern int my_fclose(FILE *fd,myf MyFlags);
350: extern int my_chsize(File fd,my_off_t newlength,myf MyFlags);
351: extern int my_error _VARARGS((int nr,myf MyFlags, ...));
352: extern int my_printf_error _VARARGS((uint my_err, const char *format,
353: myf MyFlags, ...)
354: __attribute__ ((format (printf, 2, 4))));
355: extern int my_vsnprintf( char *str, size_t n,
356: const char *format, va_list ap );
357:
358: extern int my_message(uint my_err, const char *str,myf MyFlags);
359: extern int my_message_no_curses(uint my_err, const char *str,myf MyFlags);
360: extern int my_message_curses(uint my_err, const char *str,myf MyFlags);
361: extern void my_init(void);
362: extern void my_end(int infoflag);
363: extern int my_redel(const char *from, const char *to, int MyFlags);
364: extern int my_copystat(const char *from, const char *to, int MyFlags);
365: extern my_string my_filename(File fd);
366:
367: extern void dont_break(void);
368: extern void allow_break(void);
369: extern void my_remember_signal(int signal_number,sig_handler (*func)(int));
370: extern void caseup(my_string str,uint length);
371: extern void casedn(my_string str,uint length);
372: extern void caseup_str(my_string str);
373: extern void casedn_str(my_string str);
374: extern void case_sort(my_string str,uint length);
375: extern uint dirname_part(my_string to,const char *name);
376: extern uint dirname_length(const char *name);
377: #define base_name(A) (A+dirname_length(A))
378: extern int test_if_hard_path(const char *dir_name);
379: extern void convert_dirname(my_string name);
380: extern void to_unix_path(my_string name);
381: extern my_string fn_ext(const char *name);
382: extern my_string fn_same(my_string toname,const char *name,int flag);
383: extern my_string fn_format(my_string to,const char *name,const char *dsk,
384: const char *form,int flag);
385: extern size_s strlength(const char *str);
386: extern void pack_dirname(my_string to,const char *from);
387: extern uint unpack_dirname(my_string to,const char *from);
388: extern uint cleanup_dirname(my_string to,const char *from);
389: extern uint system_filename(my_string to,const char *from);
390: extern my_string unpack_filename(my_string to,const char *from);
391: extern my_string intern_filename(my_string to,const char *from);
392: extern my_string directory_file_name(my_string dst, const char *src);
393: extern int pack_filename(my_string to, const char *name, size_s max_length);
394: extern my_string my_path(my_string to,const char *progname,
395: const char *own_pathname_part);
396: extern my_string my_load_path(my_string to, const char *path,
397: const char *own_path_prefix);
398: extern int wild_compare(const char *str,const char *wildstr);
399: extern my_string my_strcasestr(const char *src,const char *suffix);
400: extern int my_strcasecmp(const char *s,const char *t);
401: extern int my_strsortcmp(const char *s,const char *t);
402: extern int my_casecmp(const char *s,const char *t,uint length);
403: extern int my_sortcmp(const char *s,const char *t,uint length);
404: extern WF_PACK *wf_comp(my_string str);
405: extern int wf_test(struct wild_file_pack *wf_pack,const char *name);
406: extern void wf_end(struct wild_file_pack *buffer);
407: extern size_s stripp_sp(my_string str);
408: extern void get_date(my_string to,int timeflag,time_t use_time);
409: extern void soundex(my_string out_pntr, my_string in_pntr,pbool remove_garbage);
410: extern int init_record_cache(RECORD_CACHE *info,uint cachesize,File file,
411: uint reclength,enum cache_type type,
412: pbool use_async_io);
413: extern int read_cache_record(RECORD_CACHE *info,byte *to);
414: extern int end_record_cache(RECORD_CACHE *info);
415: extern int write_cache_record(RECORD_CACHE *info,my_off_t filepos,
416: const byte *record,uint length);
417: extern int flush_write_cache(RECORD_CACHE *info);
418: extern long my_clock(void);
419: extern sig_handler sigtstp_handler(int signal_number);
420: extern void handle_recived_signals(void);
421: extern int init_key_cache(ulong use_mem,ulong leave_this_much_mem);
422: extern byte *key_cache_read(File file,my_off_t filepos,byte* buff,uint length,
423: uint block_length,int return_buffer);
424: extern int key_cache_write(File file,my_off_t filepos,byte* buff,uint length,
425: uint block_length,int force_write);
426: extern int flush_key_blocks(int file, enum flush_type type);
427: extern void end_key_cache(void);
428: extern sig_handler my_set_alarm_variable(int signo);
429: extern void my_string_ptr_sort(void *base,uint items,size_s size);
430: extern void radixsort_for_str_ptr(uchar* base[], uint number_of_elements,
431: size_s size_of_element,uchar *buffer[]);
432: extern qsort_t qsort2(void *base_ptr, size_t total_elems, size_t size,
433: qsort2_cmp cmp, void *cmp_argument);
434: extern qsort2_cmp get_ptr_compare(uint);
435: extern int init_io_cache(IO_CACHE *info,File file,uint cachesize,
436: enum cache_type type,my_off_t seek_offset,
437: pbool use_async_io, myf cache_myflags);
438: extern my_bool reinit_io_cache(IO_CACHE *info,enum cache_type type,
439: my_off_t seek_offset,pbool use_async_io,
440: pbool clear_cache);
441: extern int _my_b_read(IO_CACHE *info,byte *Buffer,uint Count);
442: extern int _my_b_net_read(IO_CACHE *info,byte *Buffer,uint Count);
443: extern int _my_b_get(IO_CACHE *info);
444: extern int _my_b_async_read(IO_CACHE *info,byte *Buffer,uint Count);
445: extern int _my_b_write(IO_CACHE *info,const byte *Buffer,uint Count);
446: extern int my_block_write(IO_CACHE *info, const byte *Buffer,
447: uint Count, my_off_t pos);
448: extern int flush_io_cache(IO_CACHE *info);
449: extern int end_io_cache(IO_CACHE *info);
450: extern my_bool open_cacheed_file(IO_CACHE *cache,const char *dir,
451: const char *prefix, uint cache_size,
452: myf cache_myflags);
453: extern my_bool real_open_cached_file(IO_CACHE *cache);
454: extern void close_cacheed_file(IO_CACHE *cache);
455: extern my_bool init_dynamic_array(DYNAMIC_ARRAY *array,uint element_size,
456: uint init_alloc,uint alloc_increment);
457: extern my_bool insert_dynamic(DYNAMIC_ARRAY *array,gptr element);
458: extern byte *alloc_dynamic(DYNAMIC_ARRAY *array);
459: extern byte *pop_dynamic(DYNAMIC_ARRAY*);
460: extern my_bool set_dynamic(DYNAMIC_ARRAY *array,gptr element,uint array_index);
461: extern void get_dynamic(DYNAMIC_ARRAY *array,gptr element,uint array_index);
462: extern void delete_dynamic(DYNAMIC_ARRAY *array);
463: extern void delete_dynamic_element(DYNAMIC_ARRAY *array, uint array_index);
464: extern void freeze_size(DYNAMIC_ARRAY *array);
465: #define dynamic_array_ptr(array,array_index) ((array)->buffer+(array_index)*(array)->size_of_element)
466: #define dynamic_element(array,array_index,type) ((type)((array)->buffer) +(array_index))
467: #define push_dynamic(A,B) insert_dynamic(A,B)
468:
469: extern int find_type(my_string x,TYPELIB *typelib,uint full_name);
470: extern void make_type(my_string to,uint nr,TYPELIB *typelib);
471: extern my_string get_type(TYPELIB *typelib,uint nr);
472: extern my_bool init_dynamic_string(DYNAMIC_STRING *str, const char *init_str,
473: uint init_alloc,uint alloc_increment);
474: extern my_bool dynstr_append(DYNAMIC_STRING *str, const char *append);
475: extern my_bool dynstr_set(DYNAMIC_STRING *str, const char *init_str);
476: extern my_bool dynstr_realloc(DYNAMIC_STRING *str, ulong additional_size);
477: extern void dynstr_free(DYNAMIC_STRING *str);
478: void set_all_changeable_vars(CHANGEABLE_VAR *vars);
479: my_bool set_changeable_var(my_string str,CHANGEABLE_VAR *vars);
480: my_bool set_changeable_varval(const char *var, ulong val,
481: CHANGEABLE_VAR *vars);
482: #ifdef HAVE_MLOCK
483: extern byte *my_malloc_lock(uint length,myf flags);
484: extern void my_free_lock(byte *ptr,myf flags);
485: #else
486: #define my_malloc_lock(A,B) my_malloc((A),(B))
487: #define my_free_lock(A,B) my_free((A),(B))
488: #endif
489: void init_alloc_root(MEM_ROOT *mem_root,uint block_size);
490: gptr alloc_root(MEM_ROOT *mem_root,unsigned int Size);
491: void free_root(MEM_ROOT *root);
492: char *strdup_root(MEM_ROOT *root,const char *str);
493: char *memdup_root(MEM_ROOT *root,const char *str,uint len);
494: void load_defaults(const char *conf_file, const char **groups,
495: int *argc, char ***argv);
496: void free_defaults(char **argv);
497: void print_defaults(const char *conf_file, const char **groups);
498: my_bool my_compress(byte *, ulong *, ulong *);
499: my_bool my_uncompress(byte *, ulong *, ulong *);
500: byte *my_compress_alloc(const byte *packet, ulong *len, ulong *complen);
501: ulong checksum(const byte *mem, uint count);
502:
503: #if defined(_MSC_VER) && !defined(__WIN32__)
504: extern void sleep(int sec);
505: #endif
506: #ifdef __WIN32__
507: extern my_bool have_tcpip; /* Is set if tcpip is used */
508: #endif
509:
510: #ifdef __cplusplus
511: }
512: #endif
513: #include "raid.h"
514: #endif /* _my_sys_h */
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