X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=util.c;h=e29d8b0c787b7cc1ea61d432b3718a9b62edaa10;hb=8f698bd4ccea058019f9ca89ca19add300064b15;hp=d8e661256ee38f37a6a6adc41462d95395263a89;hpb=c47da143bdf5b4e3924a411f42648d4b3e86ff00;p=dwm.git diff --git a/util.c b/util.c index d8e6612..e29d8b0 100644 --- a/util.c +++ b/util.c @@ -2,82 +2,49 @@ * (C)opyright MMVI Anselm R. Garbe * See LICENSE file for license details. */ - +#include "dwm.h" #include #include #include -#include -#include #include #include -#include "dwm.h" - -void -error(const char *errstr, ...) { - va_list ap; - va_start(ap, errstr); - vfprintf(stderr, errstr, ap); - va_end(ap); - exit(1); -} +/* static */ static void bad_malloc(unsigned int size) { - fprintf(stderr, "fatal: could not malloc() %d bytes\n", - (int) size); - exit(1); + eprint("fatal: could not malloc() %u bytes\n", size); } +/* extern */ + void * emallocz(unsigned int size) { void *res = calloc(1, size); - if(!res) - bad_malloc(size); - return res; -} -void * -emalloc(unsigned int size) -{ - void *res = malloc(size); if(!res) bad_malloc(size); return res; } -void * -erealloc(void *ptr, unsigned int size) -{ - void *res = realloc(ptr, size); - if(!res) - bad_malloc(size); - return res; -} - -char * -estrdup(const char *str) -{ - char *res = strdup(str); - if(!res) - bad_malloc(strlen(str)); - return res; -} - void -swap(void **p1, void **p2) +eprint(const char *errstr, ...) { - void *tmp = *p1; - *p1 = *p2; - *p2 = tmp; + va_list ap; + + va_start(ap, errstr); + vfprintf(stderr, errstr, ap); + va_end(ap); + exit(EXIT_FAILURE); } void spawn(Arg *arg) { char **argv = (char **)arg->argv; + if(!argv || !argv[0]) return; if(fork() == 0) { @@ -89,7 +56,7 @@ spawn(Arg *arg) fprintf(stderr, "dwm: execvp %s", argv[0]); perror(" failed"); } - exit (0); + exit(0); } wait(0); }