diff options
| author | jwadams <none@none> | 2005-10-28 09:59:07 -0700 |
|---|---|---|
| committer | jwadams <none@none> | 2005-10-28 09:59:07 -0700 |
| commit | 87cd24809d33b40017e71ecba06bd30fc99fac6f (patch) | |
| tree | 0241b0533c690b62feaa61cb8665c0a1f0003fc0 /usr/src/lib/libumem/common/malloc.c | |
| parent | 37f3b9a4ce95e9d85bbf0a7e5ae2fd508f411fe0 (diff) | |
| download | illumos-joyent-87cd24809d33b40017e71ecba06bd30fc99fac6f.tar.gz | |
6341280 libumem's realloc() allocates when size is zero
Diffstat (limited to 'usr/src/lib/libumem/common/malloc.c')
| -rw-r--r-- | usr/src/lib/libumem/common/malloc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/usr/src/lib/libumem/common/malloc.c b/usr/src/lib/libumem/common/malloc.c index 41d394ff22..86c1b0fd0f 100644 --- a/usr/src/lib/libumem/common/malloc.c +++ b/usr/src/lib/libumem/common/malloc.c @@ -20,7 +20,7 @@ * CDDL HEADER END */ /* - * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -394,6 +394,11 @@ realloc(void *buf_arg, size_t newsize) if (buf_arg == NULL) return (malloc(newsize)); + if (newsize == 0) { + free(buf_arg); + return (NULL); + } + /* * get the old data size without freeing the buffer */ |