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Diffstat (limited to 'lib/libc/stdlib/malloc.c')
-rw-r--r--lib/libc/stdlib/malloc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c
index 0676f4780c0..4498a9fb6c5 100644
--- a/lib/libc/stdlib/malloc.c
+++ b/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/* $NetBSD: malloc.c,v 1.5 1995/12/28 08:52:26 thorpej Exp $ */
+/* $NetBSD: malloc.c,v 1.6 1996/01/17 02:45:25 jtc Exp $ */
/*
* Copyright (c) 1983 Regents of the University of California.
@@ -37,7 +37,7 @@
#if 0
static char *sccsid = "from: @(#)malloc.c 5.11 (Berkeley) 2/23/91";
#else
-static char *rcsid = "$NetBSD: malloc.c,v 1.5 1995/12/28 08:52:26 thorpej Exp $";
+static char *rcsid = "$NetBSD: malloc.c,v 1.6 1996/01/17 02:45:25 jtc Exp $";
#endif
#endif /* LIBC_SCCS and not lint */
@@ -315,6 +315,10 @@ realloc(cp, nbytes)
if (cp == NULL)
return (malloc(nbytes));
+ if (nbytes == 0) {
+ free (cp);
+ return NULL;
+ }
op = (union overhead *)((caddr_t)cp - sizeof (union overhead));
if (op->ov_magic == MAGIC) {
was_alloced++;