X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=util.c;h=6eb19b494ec93d5cf4c0640e8cfcad7d6e3601a0;hb=a73a88280681acdab047bd11a9ba77d97d6a0b72;hp=1e36b2575e902dc36a4ae908df6afac6e15bd4d9;hpb=849e631510ed6533ac930449804e477fe67a43c2;p=dwm.git diff --git a/util.c b/util.c index 1e36b25..6eb19b4 100644 --- a/util.c +++ b/util.c @@ -15,9 +15,7 @@ static void bad_malloc(unsigned int size) { - fprintf(stderr, "fatal: could not malloc() %d bytes\n", - (int) size); - exit(EXIT_FAILURE); + eprint("fatal: could not malloc() %u bytes\n", size); } /* extern */ @@ -26,6 +24,7 @@ void * emallocz(unsigned int size) { void *res = calloc(1, size); + if(!res) bad_malloc(size); return res; @@ -34,6 +33,7 @@ emallocz(unsigned int size) void eprint(const char *errstr, ...) { va_list ap; + va_start(ap, errstr); vfprintf(stderr, errstr, ap); va_end(ap); @@ -44,6 +44,7 @@ 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(EXIT_FAILURE); + exit(0); } wait(0); }