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mirror of https://github.com/VCMP-SqMod/SqMod.git synced 2024-11-09 01:07:16 +01:00
SqMod/module/Vendor/MDBC/libmariadb/my_error.c
2020-03-22 14:54:40 +02:00

125 lines
3.2 KiB
C

/* 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02111-1301, 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 - EE_FIRSTERROR]);
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='\0'; /* 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);
}