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Add Q_DECL_UNUSED, marking functions or variables unused 

It's similar to Q_UNUSED, but this is to be added in the declaration

Change-Id: I2f664129fb1f34f7913ef371d45c2c0fec958174
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
bb10
Thiago Macieira 2013-01-28 19:33:27 -08:00 committed by The Qt Project
parent ad0a4eaf8d
commit adb0cfc24c
1 changed files with 4 additions and 0 deletions
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4
src/corelib/global/qcompilerdetection.h
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@ -179,6 +179,7 @@
# define Q_TYPEOF(expr) __typeof__(expr)
# define Q_DECL_DEPRECATED __attribute__ ((__deprecated__))
# define Q_DECL_ALIGN(n) __attribute__((__aligned__(n)))
# define Q_DECL_UNUSED __attribute__((__unused__))
# define Q_LIKELY(expr) __builtin_expect(!!(expr), true)
# define Q_UNLIKELY(expr) __builtin_expect(!!(expr), false)
# define Q_NORETURN __attribute__((__noreturn__))
@ -816,6 +817,9 @@
#ifndef Q_DECL_HIDDEN
# define Q_DECL_HIDDEN
#endif
#ifndef Q_DECL_UNUSED
# define Q_DECL_UNUSED
#endif
#ifndef Q_FUNC_INFO
# if defined(Q_OS_SOLARIS) || defined(Q_CC_XLC)
# define Q_FUNC_INFO __FILE__ "(line number unavailable)"