Bug: don't call ealloc(0) on systems where getgroups() doesn't

  return egid (thanks Chris Siebenmann).

1 files changed, 3 insertions, 1 deletions

diff --git a/nalloc.c b/nalloc.c
index eb621e0..0144b48 100644
--- a/nalloc.c
+++ b/nalloc.c
@@ -112,8 +112,10 @@ extern void restoreblock(Block *old) {
 /* generic memory allocation functions */
 
 extern void *ealloc(size_t n) {
-	void *p = malloc(n);
+	void *p;
 
+	assert(n);
+	p = malloc(n);
 	if (p == NULL) {
 		uerror("malloc");
 		rc_exit(1);