X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=util.c;h=6eb19b494ec93d5cf4c0640e8cfcad7d6e3601a0;hb=0464e42231199d7a6ea45e46cf7798f2b6cf972c;hp=f7e3e6fe5fae37a933a93f0b930b508b41515e22;hpb=adaa28a6e600f636f5e86244ccef69e98419ba1a;p=dwm.git diff --git a/util.c b/util.c index f7e3e6f..6eb19b4 100644 --- a/util.c +++ b/util.c @@ -10,22 +10,21 @@ #include #include -/* static functions */ +/* 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 functions */ +/* extern */ void * emallocz(unsigned int size) { void *res = calloc(1, size); + if(!res) bad_malloc(size); return res; @@ -34,16 +33,18 @@ emallocz(unsigned int size) void eprint(const char *errstr, ...) { va_list ap; + va_start(ap, errstr); vfprintf(stderr, errstr, ap); va_end(ap); - exit(1); + exit(EXIT_FAILURE); } void spawn(Arg *arg) { char **argv = (char **)arg->argv; + if(!argv || !argv[0]) return; if(fork() == 0) { @@ -55,7 +56,7 @@ spawn(Arg *arg) fprintf(stderr, "dwm: execvp %s", argv[0]); perror(" failed"); } - exit (0); + exit(0); } wait(0); }