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Diffstat (limited to 'include/my_sys.h')
| -rw-r--r-- | include/my_sys.h | 555 |
1 files changed, 555 insertions, 0 deletions
diff --git a/include/my_sys.h b/include/my_sys.h new file mode 100644 index 00000000000..57734e9e534 --- /dev/null +++ b/include/my_sys.h @@ -0,0 +1,555 @@ +/* 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_LINK_WARNING 32 /* my_redel() gives warning if links */ +#define MY_COPYTIME 64 /* my_redel() copys time */ +#define MY_HOLD_ORIGINAL_MODES 128 /* my_copy() holds to file modes */ +#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 + + /* 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; +#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 +extern const char ** NEAR 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... */ + + +/* statisticts */ +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 my_file_opened,my_stream_opened; + + /* 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; +extern char wild_many,wild_one,wild_prefix; +extern const char *charsets_dir; + +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,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 }; + +extern struct my_file_info +{ + my_string name; + enum file_type type; +} 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 */ +{ + byte *rc_pos,*rc_end,*buffer,*rc_request_pos; + File file; + int seek_not_done,error; + uint buffer_length,read_length; + my_off_t pos_in_file,end_of_file; + myf myflags; /* Flags used to my_read/my_write */ +#ifdef HAVE_AIOWAIT + uint inited; + my_off_t aio_read_pos; + my_aio_result aio_result; +#endif + enum cache_type type; + int (*read_function)(struct st_io_cache *,byte *,uint); + char *file_name; /* if used with 'open_cached_file' */ +} 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)) + +typedef struct st_changeable_var { + const char *name; + long *varptr; + long def_value,min_value,max_value,sub_size,block_size; +} 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; + 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_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); +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,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_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); + +extern void dont_break(void); +extern void allow_break(void); +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 void convert_dirname(my_string name); +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); +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); +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); +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 +void init_alloc_root(MEM_ROOT *mem_root,uint block_size); +gptr alloc_root(MEM_ROOT *mem_root,unsigned int Size); +void free_root(MEM_ROOT *root); +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 */ |