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/* util.c -- Various error checking wrappers and utilities.
*
* Copyright (C) 2016 Tomasz Kramkowski <tk@the-tk.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "eprintf.h"
#include "util.h"
/* xstrmalloc: allocate for a string (+1) or exit with error */
void *xstrmalloc(size_t size)
{
size_t nsize;
if (size == SIZE_MAX)
eprintf("xstrmalloc(%zu) failed: %zu == SIZE_MAX", size, size);
return emalloc(nsize);
}
/* xstrcasecmp: case insensitive strcmp */
int xstrcasecmp(const char *s1, const char *s2)
{
while (toupper(*s1++) == toupper(*s2++))
if (*s1 == '\0' || *s2 == '\0')
break;
if (*s1 == *s2)
return 0;
if (*s1 < *s2)
return -1;
return 1;
}
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