diff options
| author | Martin Liska <mliska@suse.cz> | 2019-06-10 09:42:43 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2019-06-10 07:42:43 +0000 |
| commit | de1ee900b045061cdc590fbbf47b46b64d296f04 (patch) | |
| tree | e8d8028182dfcf97662fa924b29abdf06b8a3c6a /include/ansidecl.h | |
| parent | 3bb0dcb6c02661bed2f8dd00052145fde3bbdecc (diff) | |
| download | gcc-de1ee900b045061cdc590fbbf47b46b64d296f04.zip gcc-de1ee900b045061cdc590fbbf47b46b64d296f04.tar.gz gcc-de1ee900b045061cdc590fbbf47b46b64d296f04.tar.bz2 | |
Add warn_unused_result attribute for memory-related functions in libiberty.
2019-06-10 Martin Liska <mliska@suse.cz>
* ansidecl.h (ATTRIBUTE_WARN_UNUSED_RESULT): New macro.
* libiberty.h (xmalloc): Use it.
(xrealloc): Likewise.
(xcalloc): Likewise.
(xstrdup): Likewise.
(xstrndup): Likewise.
(xmemdup): Likewise.
From-SVN: r272110
Diffstat (limited to 'include/ansidecl.h')
| -rw-r--r-- | include/ansidecl.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/ansidecl.h b/include/ansidecl.h index 3035c33..445c8c3 100644 --- a/include/ansidecl.h +++ b/include/ansidecl.h @@ -317,6 +317,15 @@ So instead we use the macro below and test it against specific values. */ #endif #endif +/* Attribute `warn_unused_result' was valid as of gcc 3.3. */ +#ifndef ATTRIBUTE_WARN_UNUSED_RESULT +# if GCC_VERSION >= 3003 +# define ATTRIBUTE_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result)) +# else +# define ATTRIBUTE_WARN_UNUSED_RESULT +# endif +#endif + /* We use __extension__ in some places to suppress -pedantic warnings about GCC extensions. This feature didn't work properly before gcc 2.8. */ |