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/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
This file is public domain and comes with NO WARRANTY of any kind */
#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
#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_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
/* 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. */
/* 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);
/* statisticts */
extern ulong _my_cache_w_requests,_my_cache_write,_my_cache_r_requests,
_my_cache_read;
extern uint _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_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;
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;
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 */
my_string name; /* Name of typelib */
my_string *type_names;
} TYPELIB;
enum cache_type {READ_CACHE,WRITE_CACHE,READ_NET,WRITE_NET};
enum flush_type { FLUSH_KEEP, FLUSH_RELEASE, FLUSH_IGNORE_CHANGED};
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_cacheed_file' */
} IO_CACHE;
/* 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(my_string 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_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 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 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 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 flush_io_cache(IO_CACHE *info);
extern int end_io_cache(IO_CACHE *info);
extern my_bool open_cacheed_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_cacheed_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 my_string 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(__WIN32__)
extern void sleep(int sec);
#endif
#ifdef __WIN32__
extern my_bool have_tcpip; /* Is set if tcpip is used */
#endif
#ifdef __cplusplus
}
#endif
#if defined(USE_RAID)
#include "raid.h"
#endif
#endif /* _my_sys_h */
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