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| author | Daniel P. Berrange <berrange@redhat.com> | 2013-11-12 18:21:50 +0000 |
|---|---|---|
| committer | Daniel P. Berrange <berrange@redhat.com> | 2013-11-22 14:44:48 +0000 |
| commit | a5dedf3f00b8c1c87798ab1fceed5f482b431916 (patch) | |
| tree | 9f6a053b221fa5e4da8809b99b4a6f4c981177ef | |
| parent | 7f06460d8a48795e200a334e13464aea681cd9f4 (diff) | |
| download | libvirt-python-v8-a5dedf3f00b8c1c87798ab1fceed5f482b431916.tar.gz libvirt-python-v8-a5dedf3f00b8c1c87798ab1fceed5f482b431916.tar.xz libvirt-python-v8-a5dedf3f00b8c1c87798ab1fceed5f482b431916.zip | |
Import gnulib's ignore_value macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
| -rw-r--r-- | libvirt-utils.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libvirt-utils.h b/libvirt-utils.h index c1223fd..961cc20 100644 --- a/libvirt-utils.h +++ b/libvirt-utils.h @@ -43,4 +43,15 @@ # 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 + #endif /* __LIBVIRT_UTILS_H__ */ |