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-rw-r--r--util.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/util.c b/util.c
index 1e36b25..94590f9 100644
--- a/util.c
+++ b/util.c
@@ -26,6 +26,7 @@ void *
emallocz(unsigned int size)
{
void *res = calloc(1, size);
+
if(!res)
bad_malloc(size);
return res;
@@ -34,6 +35,7 @@ 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 +46,7 @@ void
spawn(Arg *arg)
{
char **argv = (char **)arg->argv;
+
if(!argv || !argv[0])
return;
if(fork() == 0) {