util.c
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/*
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include "dmenu.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
/* static */
static void
bad_malloc(unsigned int size)
{
eprint("fatal: could not malloc() %u bytes\n", size);
}
/* extern */
void *
emalloc(unsigned int size)
{
void *res = malloc(size);
if(!res)
bad_malloc(size);
return res;
}
void *
emallocz(unsigned int size)
{
void *res = calloc(1, size);
if(!res)
bad_malloc(size);
return res;
}
void
eprint(const char *errstr, ...)
{
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
char *
estrdup(const char *str)
{
void *res = strdup(str);
if(!res)
bad_malloc(strlen(str));
return res;
}
void
swap(void **p1, void **p2)
{
void *tmp = *p1;
*p1 = *p2;
*p2 = tmp;
}