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| author | Daniel P. Berrange <berrange@redhat.com> | 2013-09-09 10:02:28 +0100 |
|---|---|---|
| committer | Daniel P. Berrange <berrange@redhat.com> | 2013-09-09 16:42:02 +0100 |
| commit | 5ce207ba7d04ed922cc9c29a3fac436998ee59a5 (patch) | |
| tree | 782d62fa373f3f3bffb292a3f34d33ffdacd7388 | |
| parent | de0c5b13f7f2058f90dfd6425b3d337f137759fd (diff) | |
| download | libvirt-python-split-5ce207ba7d04ed922cc9c29a3fac436998ee59a5.tar.gz libvirt-python-split-5ce207ba7d04ed922cc9c29a3fac436998ee59a5.tar.xz libvirt-python-split-5ce207ba7d04ed922cc9c29a3fac436998ee59a5.zip | |
Import gnulib's ignore_value macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
| -rw-r--r-- | libvirt-override.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libvirt-override.c b/libvirt-override.c index acd06a6..c2c1c18 100644 --- a/libvirt-override.c +++ b/libvirt-override.c @@ -51,6 +51,17 @@ extern void initcygvirtmod(void); #define xalloc_oversized(n, s) \ ((size_t) (sizeof (ptrdiff_t) <= sizeof (size_t) ? -1 : -2) / (s) < (n)) +/* The __attribute__((__warn_unused_result__)) feature + is available in gcc versions 3.4 and newer, + while the typeof feature has been available since 2.7 at least. */ +#if 3 < __GNUC__ + (4 <= __GNUC_MINOR__) +# define ignore_value(x) \ + (__extension__ ({ __typeof__ (x) __x = (x); (void) __x; })) +#else +# define ignore_value(x) ((void) (x)) +#endif + + #if 0 # define DEBUG_ERROR 1 #endif |