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| author | Florian Weimer <fweimer@redhat.com> | 2016-06-23 14:17:57 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2016-06-23 16:12:48 +0200 |
| commit | 64ba17317dc9343f0958755ad04af71ec3da637b (patch) | |
| tree | 9e6cecd5901282bc570be7f392a601cc52cfe1fc | |
| parent | 9d52cb01f253c84e177fe2db8386deaea06a2596 (diff) | |
| download | glibc-64ba17317dc9343f0958755ad04af71ec3da637b.zip glibc-64ba17317dc9343f0958755ad04af71ec3da637b.tar.gz glibc-64ba17317dc9343f0958755ad04af71ec3da637b.tar.bz2 | |
test-skeleton.c (xrealloc): Support realloc-as-free
If the requested size is zero, realloc returns NULL, but the
deallocation is still successful, unless the pointer is also
NULL, when realloc behaves as malloc (0).
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | test-skeleton.c | 6 |
2 files changed, 7 insertions, 3 deletions
@@ -1,5 +1,9 @@ 2016-06-23 Florian Weimer <fweimer@redhat.com> + * test-skeleton.c (xrealloc): Support deallocation with n == 0. + +2016-06-23 Florian Weimer <fweimer@redhat.com> + * test-skeleton.c (xmalloc, xcalloc, xrealloc): Mark as potentially unused. diff --git a/test-skeleton.c b/test-skeleton.c index 0be4af1..d9bf989 100644 --- a/test-skeleton.c +++ b/test-skeleton.c @@ -109,10 +109,10 @@ __attribute__ ((unused)) static void * xrealloc (void *p, size_t n) { - p = realloc (p, n); - if (p == NULL) + void *result = realloc (p, n); + if (result == NULL && (n > 0 || p == NULL)) oom_error ("realloc", n); - return p; + return result; } /* Write a message to standard output. Can be used in signal |