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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 15:58:05 +0000 |
| commit | 834ee782d80e39edc1174640b8db977c900a62dc (patch) | |
| tree | 4c254952755999407d7bbd21cfb8e86ba3b5fdea /libvirt-utils.h | |
| parent | c856b7c62333d53093818b60259ef22a37430d51 (diff) | |
| download | libvirt-python-v9-834ee782d80e39edc1174640b8db977c900a62dc.tar.gz libvirt-python-v9-834ee782d80e39edc1174640b8db977c900a62dc.tar.xz libvirt-python-v9-834ee782d80e39edc1174640b8db977c900a62dc.zip | |
Import gnulib's ignore_value macro
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Diffstat (limited to 'libvirt-utils.h')
| -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__ */ |