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xfree(): simplify

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Contrary to a popular opinion, there is no need to check
an argument for being non-NULL before calling free().

>From free(3) man page:

> > If ptr is NULL, no operation is performed.

Let's change xfree macro to be a synonym for free().

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Kir Kolyshkin 2015-10-20 11:35:20 -07:00 • committed by Pavel Emelyanov
parent 52ab139c2e
commit 5940e3d14c
1 changed files with 1 additions and 1 deletions
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2
include/xmalloc.h
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@ -20,7 +20,7 @@
#define xzalloc(size) __xalloc(calloc, size, 1, size)
#define xrealloc(p, size) __xalloc(realloc, size, p, size)
#define xfree(p) do { if (p) free(p); } while (0)
#define xfree(p) free(p)
#define xrealloc_safe(pptr, size) \
({ \