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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 /test-skeleton.c | |
| parent | test-skeleton.c: xmalloc, xcalloc, xrealloc are potentially unused (diff) | |
| download | glibc-64ba17317dc9343f0958755ad04af71ec3da637b.tar.gz glibc-64ba17317dc9343f0958755ad04af71ec3da637b.tar.bz2 glibc-64ba17317dc9343f0958755ad04af71ec3da637b.zip | |
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).
Diffstat (limited to 'test-skeleton.c')
| -rw-r--r-- | test-skeleton.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/test-skeleton.c b/test-skeleton.c index 0be4af1daf..d9bf989fa8 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 |