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/*
* CvsGraph graphical representation generator of brances and revisions
* of a file in cvs/rcs.
*
* Copyright (C) 2001 B. Stultiens
*
* 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
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "utils.h"
#include "readconf.h"
const char *input_file;
int quiet; /* Set if warnings should be suppressed */
void *xmalloc(size_t s)
{
void *p = malloc(s);
if(!p)
{
printf("Out of memory");
exit(1);
}
memset(p, 0, s);
return p;
}
void *xrealloc(void *a, size_t s)
{
void *p;
if(!a)
return malloc(s);
p = realloc(a, s);
if(!p)
{
printf("Out of memory");
exit(1);
}
return p;
}
char *xstrdup(const char *s)
{
char *c;
if(!s)
s = "";
c = xmalloc(strlen(s)+1);
strcpy(c, s);
return c;
}
void xfree(void *p)
{
if(p)
free(p);
}
static int do_msg(const char *type, const char *fmt, va_list va)
{
if(type)
fprintf(stderr, "%s: %d: %s: ", input_file, line_number, type);
else
fprintf(stderr, "%s: %d: ", input_file, line_number);
vfprintf(stderr, fmt, va);
fprintf(stderr, "\n");
return 0;
}
int yyerror(const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
do_msg(NULL, fmt, va);
va_end(va);
exit(2);
return 0;
}
int yywarning(const char *fmt, ...)
{
va_list va;
if(!quiet)
{
va_start(va, fmt);
do_msg("warning", fmt, va);
va_end(va);
}
return 0;
}
int rcserror(const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
do_msg(NULL, fmt, va);
va_end(va);
exit(2);
return 0;
}
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