malloc can return NULL when given a 0 argument

1989-10-30 18:25:30 +00:00
parent 046d5b38a9
commit 4b445d4860
3 changed files with 3 additions and 3 deletions
--- a/modules/src/alloc/Salloc.c
+++ b/modules/src/alloc/Salloc.c
@@ -24,7 +24,7 @@ Salloc(str, sz)
 	char *res = malloc(sz);
 	register char *m = res;

-	if (m == 0) No_Mem();
+	if (sz && m == 0) No_Mem();
 	while (sz--)
 		*m++ = *str++;
 	return res;