X-Git-Url: https://git.danieliu.xyz/?p=dwm.git;a=blobdiff_plain;f=util.c;h=fe044fc7b7978d1f3c23768e315aae415d90b11a;hp=2414b394fc7a2fe81b5b3043ea1c937be7cb9e2d;hb=HEAD;hpb=d4b7a9a3735deeab639f28b5bb2f568e0dc49616 diff --git a/util.c b/util.c index 2414b39..fe044fc 100644 --- a/util.c +++ b/util.c @@ -1,74 +1,35 @@ -/* - * (C)opyright MMVI Anselm R. Garbe - * See LICENSE file for license details. - */ -#include "dwm.h" +/* See LICENSE file for copyright and license details. */ #include #include #include -#include -#include +#include -/* static */ - -static void -bad_malloc(unsigned int size) -{ - eprint("fatal: could not malloc() %u bytes\n", size); -} - -/* extern */ +#include "util.h" void * -emallocz(unsigned int size) +ecalloc(size_t nmemb, size_t size) { - void *res = calloc(1, size); + void *p; - if(!res) - bad_malloc(size); - return res; + if (!(p = calloc(nmemb, size))) + die("calloc:"); + return p; } void -eprint(const char *errstr, ...) -{ +die(const char *fmt, ...) { va_list ap; - va_start(ap, errstr); - vfprintf(stderr, errstr, ap); + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); va_end(ap); - exit(EXIT_FAILURE); -} -void * -erealloc(void *ptr, unsigned int size) -{ - void *res = realloc(ptr, size); - if(!res) - bad_malloc(size); - return res; -} - -void -spawn(Arg *arg) -{ - static char *shell = NULL; - - if(!shell && !(shell = getenv("SHELL"))) - shell = "/bin/sh"; - - if(!arg->cmd) - return; - if(fork() == 0) { - if(fork() == 0) { - if(dpy) - close(ConnectionNumber(dpy)); - setsid(); - execl(shell, shell, "-c", arg->cmd, NULL); - fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd); - perror(" failed"); - } - exit(0); + if (fmt[0] && fmt[strlen(fmt)-1] == ':') { + fputc(' ', stderr); + perror(NULL); + } else { + fputc('\n', stderr); } - wait(0); + + exit(1); }