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Diffstat (limited to '3rdparty/mysql/include/my_sys.h')
| -rw-r--r-- | 3rdparty/mysql/include/my_sys.h | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/3rdparty/mysql/include/my_sys.h b/3rdparty/mysql/include/my_sys.h new file mode 100644 index 000000000..44fe383bf --- /dev/null +++ b/3rdparty/mysql/include/my_sys.h @@ -0,0 +1,904 @@ +/* Copyright (C) 2000-2003 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#ifndef _my_sys_h +#define _my_sys_h +C_MODE_START + +#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> +#include <typelib.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 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_IGNORE_BADFD 32 /* my_sync: ignore 'bad descriptor' errors */ +#define MY_RAID 64 /* Support for RAID */ +#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_DONT_OVERWRITE_FILE 1024 /* my_copy: Don't overwrite file */ + +#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 + + /* 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 DFLT_INIT_HITS 3 + + /* root_alloc flags */ +#define MY_KEEP_PREALLOC 1 +#define MY_MARK_BLOCKS_FREE 2 /* move used to free list and reuse them */ + + /* Internal error numbers (for assembler functions) */ +#define MY_ERRNO_EDOM 33 +#define MY_ERRNO_ERANGE 34 + + /* Bits for get_date timeflag */ +#define GETDATE_DATE_TIME 1 +#define GETDATE_SHORT_DATE 2 +#define GETDATE_HHMMSSTIME 4 +#define GETDATE_GMT 8 +#define GETDATE_FIXEDLENGTH 16 + + /* defines when allocating data */ +#ifdef SAFEMALLOC +#define my_malloc(SZ,FLAG) _mymalloc((SZ), __FILE__, __LINE__, FLAG ) +#define my_malloc_ci(SZ,FLAG) _mymalloc((SZ), sFile, uLine, 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 my_strdup_with_length(A,B,C) _my_strdup_with_length((A),(B),__FILE__,__LINE__,C) +#define TRASH(A,B) bfill(A, B, 0x8F) +#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 sf_malloc_mem_limit; + +#define CALLER_INFO_PROTO , const char *sFile, uint uLine +#define CALLER_INFO , __FILE__, __LINE__ +#define ORIG_CALLER_INFO , sFile, uLine +#else +#define my_checkmalloc() +#undef TERMINATE +#define TERMINATE(A) {} +#define QUICK_SAFEMALLOC +#define NORMAL_SAFEMALLOC +extern gptr my_malloc(uint Size,myf MyFlags); +#define my_malloc_ci(SZ,FLAG) my_malloc( SZ, FLAG ) +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 char *my_strdup(const char *from,myf MyFlags); +extern char *my_strdup_with_length(const byte *from, uint length, + myf MyFlags); +/* we do use FG (as a no-op) in below so that a typo on FG is caught */ +#define my_free(PTR,FG) ((void)FG,my_no_flags_free(PTR)) +#define CALLER_INFO_PROTO /* nothing */ +#define CALLER_INFO /* nothing */ +#define ORIG_CALLER_INFO /* nothing */ +#define TRASH(A,B) /* nothing */ +#endif + +#ifdef HAVE_LARGE_PAGES +extern uint my_get_large_page_size(void); +extern gptr my_large_malloc(uint size, myf my_flags); +extern void my_large_free(gptr ptr, myf my_flags); +#else +#define my_get_large_page_size() (0) +#define my_large_malloc(A,B) my_malloc_lock((A),(B)) +#define my_large_free(A,B) my_free_lock((A),(B)) +#endif /* HAVE_LARGE_PAGES */ + +#ifdef HAVE_ALLOCA +#if defined(_AIX) && !defined(__GNUC__) && !defined(_AIX43) +#pragma alloca +#endif /* _AIX */ +#if defined(__MWERKS__) +#undef alloca +#define alloca _alloca +#endif /* __MWERKS__ */ +#if defined(__GNUC__) && !defined(HAVE_ALLOCA_H) && ! defined(alloca) +#define alloca __builtin_alloca +#endif /* GNUC */ +#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 */ + +#ifndef errno /* did we already get it? */ +#ifdef HAVE_ERRNO_AS_DEFINE +#include <errno.h> /* errno is a define */ +#else +extern int errno; /* declare errno */ +#endif +#endif /* #ifndef errno */ +extern char NEAR errbuff[NRERRBUFFS][ERRMSGSIZE]; +extern char *home_dir; /* Home directory for user */ +extern const 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); +extern uint my_file_limit; + +#ifdef HAVE_LARGE_PAGES +extern my_bool my_use_large_pages; +extern uint my_large_page_size; +#endif + +/* charsets */ +extern CHARSET_INFO *default_charset_info; +extern CHARSET_INFO *all_charsets[256]; +extern CHARSET_INFO compiled_charsets[]; + +/* statistics */ +extern ulong my_file_opened,my_stream_opened, my_tmp_file_created; +extern uint mysys_usage_id; +extern my_bool 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 ulong sf_malloc_cur_memory, sf_malloc_max_memory; + +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; +extern const char *defaults_group_suffix; +extern const char *defaults_file; + +extern my_bool timed_mutexes; + +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; + +enum loglevel { + ERROR_LEVEL, + WARNING_LEVEL, + INFORMATION_LEVEL +}; + +enum cache_type +{ + TYPE_NOT_SET= 0, 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 +}; + +struct st_my_file_info +{ + my_string name; + enum file_type type; +#if defined(THREAD) && !defined(HAVE_PREAD) + pthread_mutex_t mutex; +#endif +}; + +extern struct st_my_file_info *my_file_info; + +typedef struct st_my_tmpdir +{ + char **list; + uint cur, max; +#ifdef THREAD + pthread_mutex_t mutex; +#endif +} MY_TMPDIR; + +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*); + +#ifdef THREAD +typedef struct st_io_cache_share +{ + /* to sync on reads into buffer */ + pthread_mutex_t mutex; + pthread_cond_t cond; + int count, total; + /* actual IO_CACHE that filled the buffer */ + struct st_io_cache *active; +#ifdef NOT_YET_IMPLEMENTED + /* whether the structure should be free'd */ + my_bool alloced; +#endif +} IO_CACHE_SHARE; +#endif + +typedef struct st_io_cache /* Used when cacheing files */ +{ + /* Offset in file corresponding to the first byte of byte* buffer. */ + my_off_t pos_in_file; + /* + The offset of end of file for READ_CACHE and WRITE_CACHE. + For SEQ_READ_APPEND it the maximum of the actual end of file and + the position represented by read_end. + */ + my_off_t end_of_file; + /* Points to current read position in the buffer */ + byte *read_pos; + /* the non-inclusive boundary in the buffer for the currently valid read */ + byte *read_end; + byte *buffer; /* The read buffer */ + /* Used in ASYNC_IO */ + byte *request_pos; + + /* Only used in WRITE caches and in SEQ_READ_APPEND to buffer writes */ + byte *write_buffer; + /* + Only used in SEQ_READ_APPEND, and points to the current read position + in the write buffer. Note that reads in SEQ_READ_APPEND caches can + happen from both read buffer (byte* buffer) and write buffer + (byte* write_buffer). + */ + byte *append_read_pos; + /* Points to current write position in the write buffer */ + byte *write_pos; + /* The non-inclusive boundary of the valid write area */ + byte *write_end; + + /* + Current_pos and current_end are convenience variables used by + my_b_tell() and other routines that need to know the current offset + current_pos points to &write_pos, and current_end to &write_end in a + WRITE_CACHE, and &read_pos and &read_end respectively otherwise + */ + byte **current_pos, **current_end; +#ifdef THREAD + /* + The lock is for append buffer used in SEQ_READ_APPEND cache + need mutex copying from append buffer to read buffer. + */ + pthread_mutex_t append_buffer_lock; + /* + The following is used when several threads are reading the + same file in parallel. They are synchronized on disk + accesses reading the cached part of the file asynchronously. + It should be set to NULL to disable the feature. Only + READ_CACHE mode is supported. + */ + IO_CACHE_SHARE *share; +#endif + /* + A caller will use my_b_read() macro to read from the cache + if the data is already in cache, it will be simply copied with + memcpy() and internal variables will be accordinging updated with + no functions invoked. However, if the data is not fully in the cache, + my_b_read() will call read_function to fetch the data. read_function + must never be invoked directly. + */ + int (*read_function)(struct st_io_cache *,byte *,uint); + /* + Same idea as in the case of read_function, except my_b_write() needs to + be replaced with my_b_append() for a SEQ_READ_APPEND cache + */ + int (*write_function)(struct st_io_cache *,const byte *,uint); + /* + Specifies the type of the cache. Depending on the type of the cache + certain operations might not be available and yield unpredicatable + results. Details to be documented later + */ + enum cache_type type; + /* + Callbacks when the actual read I/O happens. These were added and + are currently used for binary logging of LOAD DATA INFILE - when a + block is read from the file, we create a block create/append event, and + when IO_CACHE is closed, we create an end event. These functions could, + of course be used for other things + */ + IO_CACHE_CALLBACK pre_read; + IO_CACHE_CALLBACK post_read; + IO_CACHE_CALLBACK pre_close; + /* + Counts the number of times, when we were forced to use disk. We use it to + increase the binlog_cache_disk_use status variable. + */ + ulong disk_writes; + void* arg; /* for use by pre/post_read */ + char *file_name; /* if used with 'open_cached_file' */ + char *dir,*prefix; + File file; /* file descriptor */ + /* + seek_not_done is set by my_b_seek() to inform the upcoming read/write + operation that a seek needs to be preformed prior to the actual I/O + error is 0 if the cache operation was successful, -1 if there was a + "hard" error, and the actual number of I/O-ed bytes if the read/write was + partial. + */ + int seek_not_done,error; + /* buffer_length is memory size allocated for buffer or write_buffer */ + uint buffer_length; + /* read_length is the same as buffer_length except when we use async io */ + uint read_length; + myf myflags; /* Flags used to my_read/my_write */ + /* + alloced_buffer is 1 if the buffer was allocated by init_io_cache() and + 0 if it was supplied by the user. + Currently READ_NET is the only one that will use a buffer allocated + somewhere else + */ + my_bool alloced_buffer; +#ifdef HAVE_AIOWAIT + /* + As inidicated by ifdef, this is for async I/O, which is not currently + used (because it's not reliable on all systems) + */ + 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)->read_pos + (Count) <= (info)->read_end ?\ + (memcpy(Buffer,(info)->read_pos,(size_t) (Count)), \ + ((info)->read_pos+=(Count)),0) :\ + (*(info)->read_function)((info),Buffer,Count)) + +#define my_b_write(info,Buffer,Count) \ + ((info)->write_pos + (Count) <=(info)->write_end ?\ + (memcpy((info)->write_pos, (Buffer), (size_t)(Count)),\ + ((info)->write_pos+=(Count)),0) : \ + (*(info)->write_function)((info),(Buffer),(Count))) + +#define my_b_get(info) \ + ((info)->read_pos != (info)->read_end ?\ + ((info)->read_pos++, (int) (uchar) (info)->read_pos[-1]) :\ + _my_b_get(info)) + + /* my_b_write_byte dosn't have any err-check */ +#define my_b_write_byte(info,chr) \ + (((info)->write_pos < (info)->write_end) ?\ + ((*(info)->write_pos++)=(chr)) :\ + (_my_b_write(info,0,0) , ((*(info)->write_pos++)=(chr)))) + +#define my_b_fill_cache(info) \ + (((info)->read_end=(info)->read_pos),(*(info)->read_function)(info,0,0)) + +#define my_b_tell(info) ((info)->pos_in_file + \ + (uint) (*(info)->current_pos - (info)->request_pos)) + +/* tell write offset in the SEQ_APPEND cache */ +my_off_t my_b_append_tell(IO_CACHE* info); +my_off_t my_b_safe_tell(IO_CACHE* info); /* picks the correct tell() */ + +#define my_b_bytes_in_cache(info) (uint) (*(info)->current_end - \ + *(info)->current_pos) + +typedef uint32 ha_checksum; + +/* Define the type of function to be passed to process_default_option_files */ +typedef int (*Process_option_func)(void *ctx, const char *group_name, + const char *option); + +#include <my_alloc.h> + + /* 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 char *my_once_strdup(const char *src,myf myflags); +extern char *my_once_memdup(const char *src, uint len, 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); +extern char *_my_strdup_with_length(const byte *from, uint length, + const char *sFile, uint uLine, + myf MyFlag); + +#ifdef __WIN__ +extern int my_access(const char *path, int amode); +extern File my_sopen(const char *path, int oflag, int shflag, int pmode); +#else +#define my_access access +#endif +extern int check_if_legal_filename(const char *path); + +#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, int filler, myf MyFlags); +extern int my_sync(File fd, myf my_flags); +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_error_register(const char **errmsgs, int first, int last); +extern const char **my_error_unregister(int first, int last); +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 my_bool 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 my_bool init_tmpdir(MY_TMPDIR *tmpdir, const char *pathlist); +extern char *my_tmpdir(MY_TMPDIR *tmpdir); +extern void free_tmpdir(MY_TMPDIR *tmpdir); + +extern void my_remember_signal(int signal_number,sig_handler (*func)(int)); +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 my_bool has_path(const char *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 uint 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,pbool str_is_pattern); +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 strip_sp(my_string str); +extern void get_date(my_string to,int timeflag,time_t use_time); +extern void soundex(CHARSET_INFO *, 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 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); +void my_store_ptr(byte *buff, uint pack_length, my_off_t pos); +my_off_t my_get_ptr(byte *ptr, uint pack_length); +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 void setup_io_cache(IO_CACHE* info); +extern int _my_b_read(IO_CACHE *info,byte *Buffer,uint Count); +#ifdef THREAD +extern int _my_b_read_r(IO_CACHE *info,byte *Buffer,uint Count); +extern void init_io_cache_share(IO_CACHE *info, + IO_CACHE_SHARE *s, uint num_threads); +extern void remove_io_thread(IO_CACHE *info); +#endif +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_b_append(IO_CACHE *info,const byte *Buffer,uint Count); +extern int my_b_safe_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 my_b_flush_io_cache(IO_CACHE *info, int need_append_buffer_lock); + +#define flush_io_cache(info) my_b_flush_io_cache((info),1) + +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 my_off_t my_b_filelength(IO_CACHE *info); +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); +#define my_init_dynamic_array(A,B,C,D) init_dynamic_array(A,B,C,D CALLER_INFO) +#define my_init_dynamic_array_ci(A,B,C,D) init_dynamic_array(A,B,C,D ORIG_CALLER_INFO) +extern my_bool init_dynamic_array(DYNAMIC_ARRAY *array,uint element_size, + uint init_alloc,uint alloc_increment + CALLER_INFO_PROTO); +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) +#define reset_dynamic(array) ((array)->elements= 0) + +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); +#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) +#define ALLOC_ROOT_MIN_BLOCK_SIZE (MALLOC_OVERHEAD + sizeof(USED_MEM) + 8) +#define clear_alloc_root(A) do { (A)->free= (A)->used= (A)->pre_alloc= 0; (A)->min_malloc=0;} while(0) +extern void init_alloc_root(MEM_ROOT *mem_root, uint block_size, + uint pre_alloc_size); +extern gptr alloc_root(MEM_ROOT *mem_root,unsigned int Size); +extern gptr multi_alloc_root(MEM_ROOT *mem_root, ...); +extern void free_root(MEM_ROOT *root, myf MyFLAGS); +extern void set_prealloc_root(MEM_ROOT *root, char *ptr); +extern void reset_root_defaults(MEM_ROOT *mem_root, uint block_size, + uint prealloc_size); +extern char *strdup_root(MEM_ROOT *root,const char *str); +extern char *strmake_root(MEM_ROOT *root,const char *str,uint len); +extern char *memdup_root(MEM_ROOT *root,const char *str,uint len); +extern int get_defaults_options(int argc, char **argv, + char **defaults, char **extra_defaults, + char **group_suffix); +extern int load_defaults(const char *conf_file, const char **groups, + int *argc, char ***argv); +extern int modify_defaults_file(const char *file_location, const char *option, + const char *option_value, + const char *section_name, int remove_option); +extern int my_search_option_files(const char *conf_file, int *argc, + char ***argv, uint *args_used, + Process_option_func func, void *func_ctx); +extern void free_defaults(char **argv); +extern void my_print_default_files(const char *conf_file); +extern void print_defaults(const char *conf_file, const char **groups); +extern my_bool my_compress(byte *, ulong *, ulong *); +extern my_bool my_uncompress(byte *, ulong *, ulong *); +extern byte *my_compress_alloc(const byte *packet, ulong *len, ulong *complen); +extern ha_checksum my_checksum(ha_checksum crc, const byte *mem, uint count); +extern uint my_bit_log2(ulong value); +extern uint my_count_bits(ulonglong v); +extern uint my_count_bits_ushort(ushort v); +extern void my_sleep(ulong m_seconds); +extern ulong crc32(ulong crc, const uchar *buf, uint len); +extern uint my_set_max_open_files(uint files); +void my_free_open_file_info(void); + +ulonglong my_getsystime(void); +my_bool my_gethwaddr(uchar *to); + +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> + +#ifndef MAP_NOSYNC +#define MAP_NOSYNC 0 +#endif + +#define my_mmap(a,b,c,d,e,f) mmap(a,b,c,d,e,f) +#ifdef HAVE_GETPAGESIZE +#define my_getpagesize() getpagesize() +#else +/* qnx ? */ +#define my_getpagesize() 8192 +#endif +#define my_munmap(a,b) munmap((a),(b)) + +#else +/* not a complete set of mmap() flags, but only those that nesessary */ +#define PROT_READ 1 +#define PROT_WRITE 2 +#define MAP_SHARED 0x0001 +#define MAP_NOSYNC 0x0800 +#define MAP_FAILED ((void *)-1) +#define MS_SYNC 0x0000 + +#ifndef __NETWARE__ +#define HAVE_MMAP +#endif + +int my_getpagesize(void); +void *my_mmap(void *, size_t, int, int, int, my_off_t); +int my_munmap(void *, size_t); +#endif + +int my_msync(int, void *, size_t, int); + +/* character sets */ +extern uint get_charset_number(const char *cs_name, uint cs_flags); +extern uint get_collation_number(const char *name); +extern const char *get_charset_name(uint cs_number); + +extern CHARSET_INFO *get_charset(uint cs_number, myf flags); +extern CHARSET_INFO *get_charset_by_name(const char *cs_name, myf flags); +extern CHARSET_INFO *get_charset_by_csname(const char *cs_name, + uint cs_flags, myf my_flags); +extern void free_charsets(void); +extern char *get_charsets_dir(char *buf); +extern my_bool my_charset_same(CHARSET_INFO *cs1, CHARSET_INFO *cs2); +extern my_bool init_compiled_charsets(myf flags); +extern void add_compiled_collation(CHARSET_INFO *cs); +extern ulong escape_string_for_mysql(CHARSET_INFO *charset_info, + char *to, ulong to_length, + const char *from, ulong length); +#ifdef __WIN__ +#define BACKSLASH_MBTAIL +/* File system character set */ +extern CHARSET_INFO *fs_character_set(void); +#endif +extern ulong escape_quotes_for_mysql(CHARSET_INFO *charset_info, + char *to, ulong to_length, + const char *from, ulong length); + +extern void thd_increment_bytes_sent(ulong length); +extern void thd_increment_bytes_received(ulong length); +extern void thd_increment_net_big_packet_count(ulong length); + +#ifdef __WIN__ +extern my_bool have_tcpip; /* Is set if tcpip is used */ + +/* implemented in my_windac.c */ + +int my_security_attr_create(SECURITY_ATTRIBUTES **psa, const char **perror, + DWORD owner_rights, DWORD everybody_rights); + +void my_security_attr_free(SECURITY_ATTRIBUTES *sa); + +/* implemented in my_conio.c */ +char* my_cgets(char *string, unsigned long clen, unsigned long* plen); + +#endif +#ifdef __NETWARE__ +void netware_reg_user(const char *ip, const char *user, + const char *application); +#endif + +C_MODE_END +#include "raid.h" +#endif /* _my_sys_h */ |