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	util.c - svkbd - simple virtual keyboard
	git clone git://git.suckless.org/svkbd
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	---
	util.c (615B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <stdarg.h>
	3 #include <stdio.h>
	4 #include <stdlib.h>
	5 #include <string.h>
	6
	7 #include "util.h"
	8
	9 void *
	10 ecalloc(size_t nmemb, size_t size)
	11 {
	12 void *p;
	13
	14 if (!(p = calloc(nmemb, size)))
	15 die("calloc:");
	16 return p;
	17 }
	18
	19 char *
	20 estrdup(const char *s)
	21 {
	22 char *p;
	23
	24 if (!(p = strdup(s)))
	25 die("strdup:");
	26 return p;
	27 }
	28
	29 void
	30 die(const char *fmt, ...)
	31 {
	32 va_list ap;
	33
	34 va_start(ap, fmt);
	35 vfprintf(stderr, fmt, ap);
	36 va_end(ap);
	37
	38 if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
	39 fputc(' ', stderr);
	40 perror(NULL);
	41 } else {
	42 fputc('\n', stderr);
	43 }
	44
	45 exit(1);
	46 }