util.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
/*
* (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
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;
}