grep - letting calloc() return NULL for 0 storage makes grep "" work

2011-02-20 13:34:53 +00:00 · 2011-02-20 13:34:53 +00:00 · 5518fe9be1
parent 32f3d9842d
commit 5518fe9be1
1 changed files with 1 additions and 1 deletions
--- a/commands/grep/util.c
+++ b/commands/grep/util.c
@ -516,7 +516,7 @@ grep_calloc(size_t nmemb, size_t size)
 {
 	void	*ptr;

-	if ((ptr = calloc(nmemb, size)) == NULL)
+	if ((ptr = calloc(nmemb, size)) == NULL && (size > 0) && (nmemb > 0))
 		err(2, "calloc");
 	return ptr;
 }