my_error.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:3k
- /* 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 */
- #include "mysys_priv.h"
- #include "mysys_err.h"
- #include <m_string.h>
- #include <stdarg.h>
- #include <m_ctype.h>
- /* Define some external variables for error handling */
- const char ** NEAR my_errmsg[MAXMAPS]={0,0,0,0};
- char NEAR errbuff[NRERRBUFFS][ERRMSGSIZE];
- /* Error message to user */
- /*VARARGS2*/
- int my_error(int nr,myf MyFlags, ...)
- {
- va_list ap;
- uint olen, plen;
- reg1 const char *tpos;
- reg2 char *endpos;
- char * par;
- char ebuff[ERRMSGSIZE+20];
- DBUG_ENTER("my_error");
- va_start(ap,MyFlags);
- DBUG_PRINT("my", ("nr: %d MyFlags: %d errno: %d", nr, MyFlags, errno));
- if (nr / ERRMOD == GLOB && my_errmsg[GLOB] == 0)
- init_glob_errs();
- olen=(uint) strlen(tpos=my_errmsg[nr / ERRMOD][nr % ERRMOD]);
- endpos=ebuff;
- while (*tpos)
- {
- if (tpos[0] != '%')
- {
- *endpos++= *tpos++; /* Copy ordinary char */
- olen++;
- continue;
- }
- if (*++tpos == '%') /* test if %% */
- {
- olen--;
- }
- else
- {
- /* Skipp if max size is used (to be compatible with printf) */
- while (isdigit(*tpos) || *tpos == '.' || *tpos == '-')
- tpos++;
- if (*tpos == 'l') /* Skipp 'l' argument */
- *tpos++;
- if (*tpos == 's') /* String parameter */
- {
- par = va_arg(ap, char *);
- plen = (uint) strlen(par);
- if (olen + plen < ERRMSGSIZE+2) /* Replace if possible */
- {
- endpos=strmov(endpos,par);
- tpos++;
- olen+=plen-2;
- continue;
- }
- }
- else if (*tpos == 'd' || *tpos == 'u') /* Integer parameter */
- {
- register int iarg;
- iarg = va_arg(ap, int);
- if (*tpos == 'd')
- plen= (uint) (int2str((long) iarg,endpos, -10) - endpos);
- else
- plen= (uint) (int2str((long) (uint) iarg,endpos,10)- endpos);
- if (olen + plen < ERRMSGSIZE+2) /* Replace parameter if possible */
- {
- endpos+=plen;
- tpos++;
- olen+=plen-2;
- continue;
- }
- }
- }
- *endpos++='%'; /* % used as % or unknown code */
- }
- *endpos=' '; /* End of errmessage */
- va_end(ap);
- DBUG_RETURN((*error_handler_hook)(nr, ebuff, MyFlags));
- }
- /* Error as printf */
- int my_printf_error (uint error, const char *format, myf MyFlags, ...)
- {
- va_list args;
- char ebuff[ERRMSGSIZE+20];
- va_start(args,MyFlags);
- (void) vsprintf (ebuff,format,args);
- va_end(args);
- return (*error_handler_hook)(error, ebuff, MyFlags);
- }
- /* Give message using error_handler_hook */
- int my_message(uint error, const char *str, register myf MyFlags)
- {
- return (*error_handler_hook)(error, str, MyFlags);
- }