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author | arg@10ksloc.org <unknown> | 2006-08-04 09:35:27 +0200 |
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committer | arg@10ksloc.org <unknown> | 2006-08-04 09:35:27 +0200 |
commit | 7817523a685f0dbba2e074a448099558a54b1b9c (patch) | |
tree | 1bdeab046e27a18469750082e8dfdcaa3ce74db6 /util.c | |
download | dmenu-7817523a685f0dbba2e074a448099558a54b1b9c.tar.gz dmenu-7817523a685f0dbba2e074a448099558a54b1b9c.tar.bz2 dmenu-7817523a685f0dbba2e074a448099558a54b1b9c.zip |
initial import
Diffstat (limited to 'util.c')
-rw-r--r-- | util.c | 68 |
1 files changed, 68 insertions, 0 deletions
@@ -0,0 +1,68 @@ +/* + * (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; +} |