X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=util.c;h=e29d8b0c787b7cc1ea61d432b3718a9b62edaa10;hb=8f698bd4ccea058019f9ca89ca19add300064b15;hp=e95dfc5f946c623774a30e41105af613d8f36b36;hpb=a1d0f819661f2be48f7a03ddd001f2a1a8f325e4;p=dwm.git diff --git a/util.c b/util.c index e95dfc5..e29d8b0 100644 --- a/util.c +++ b/util.c @@ -2,54 +2,49 @@ * (C)opyright MMVI Anselm R. Garbe * See LICENSE file for license details. */ - +#include "dwm.h" #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 -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) { @@ -61,7 +56,7 @@ spawn(Arg *arg) fprintf(stderr, "dwm: execvp %s", argv[0]); perror(" failed"); } - exit (0); + exit(0); } wait(0); }