X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=util.c;h=4cc748f0ae0fe293b9da91f20d568156c817d22c;hb=e48de30516d5a0400b27a0d6bfeb1b9181e8ebf5;hp=930b374929580017f220b6b637993ef2eef2c1f6;hpb=dba23062bad40afb1a90f60b6897cf9e1ca5035b;p=dwm.git diff --git a/util.c b/util.c index 930b374..4cc748f 100644 --- a/util.c +++ b/util.c @@ -2,58 +2,64 @@ * (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 -eprint(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 +eprint(const char *errstr, ...) +{ + 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]) + 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(); - execvp(argv[0], argv); - fprintf(stderr, "dwm: execvp %s", argv[0]); + execl(shell, shell, "-c", arg->cmd, NULL); + fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd); perror(" failed"); } - exit (0); + exit(0); } wait(0); }