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Add php_ignore_value() macro to suppress unused return value warnings

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from gcc. There are times when we really don't care about the return
value and this will cleanly tell gcc.
This commit is contained in:
Rasmus Lerdorf 2011-05-16 16:58:02 +00:00
parent e0df4e3dba
commit 22b689a3f9
4 changed files with 12 additions and 7 deletions
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5
main/php.h
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@ -259,6 +259,11 @@ END_EXTERN_C()
# endif
#endif
#if defined(__GNUC__) && __GNUC__ >= 4
# define php_ignore_value(x) (({ __typeof__ (x) __x = (x); (void) __x; }))
#else
# define php_ignore_value(x) ((void) (x))
#endif
/* global variables */
#if !defined(PHP_WIN32)