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util: Document GCC attributes

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Add doxygen comment blocks so these annotations are documented in the html
documentation.

Signed-off-by: Yong Bakos <ybakos@humanoriented.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Yong Bakos 2016-09-17 15:04:32 -07:00 • committed by Pekka Paalanen
parent a1ab2c03ae
commit ae139d8b6b
1 changed files with 10 additions and 3 deletions
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13
src/wayland-util.h
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@ -40,21 +40,28 @@
extern "C" {
#endif
/* GCC visibility */
/** Visibility attribute */
#if defined(__GNUC__) && __GNUC__ >= 4
#define WL_EXPORT __attribute__ ((visibility("default")))
#else
#define WL_EXPORT
#endif
/* Deprecated attribute */
/** Deprecated attribute */
#if defined(__GNUC__) && __GNUC__ >= 4
#define WL_DEPRECATED __attribute__ ((deprecated))
#else
#define WL_DEPRECATED
#endif
/* Printf annotation */
/**
* Printf-style argument attribute
*
* \param x Ordinality of the format string argument
* \param y Ordinality of the argument to check against the format string
*
* \sa https://gcc.gnu.org/onlinedocs/gcc-3.2.1/gcc/Function-Attributes.html
*/
#if defined(__GNUC__) && __GNUC__ >= 4
#define WL_PRINTF(x, y) __attribute__((__format__(__printf__, x, y)))
#else