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Define __maybe_unused

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This can be used to silence compiler warnings in cases where #ifdef
blocks can leave some variables or functions unused and there is no
cleaner way of avoiding the warnings.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-12-29 13:37:17 +02:00
parent 912b34f000
commit 1450e1e319
1 changed files with 8 additions and 0 deletions
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8
src/utils/common.h
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@ -459,6 +459,14 @@ typedef u64 __bitwise le64;
#endif /* __GNUC__ */
#endif /* __must_check */
#ifndef __maybe_unused
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define __maybe_unused __attribute__((unused))
#else
#define __maybe_unused
#endif /* __GNUC__ */
#endif /* __must_check */
int hwaddr_aton(const char *txt, u8 *addr);
int hwaddr_compact_aton(const char *txt, u8 *addr);
int hwaddr_aton2(const char *txt, u8 *addr);