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Protect C language extensions with two leading and trailing underscores

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This should make their usage safer against user macros.
This commit is contained in:
Guillem Jover
2018-06-18 00:36:44 +02:00
parent c2d9d84088
commit 574c7a1365
6 changed files with 15 additions and 12 deletions
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10
include/bsd/sys/cdefs.h
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@@ -86,9 +86,9 @@
#endif
#if LIBBSD_GCC_VERSION >= 0x0405
#define LIBBSD_DEPRECATED(x) __attribute__((deprecated(x)))
#define LIBBSD_DEPRECATED(x) __attribute__((__deprecated__(x)))
#elif LIBBSD_GCC_VERSION >= 0x0301
#define LIBBSD_DEPRECATED(x) __attribute__((deprecated))
#define LIBBSD_DEPRECATED(x) __attribute__((__deprecated__))
#else
#define LIBBSD_DEPRECATED(x)
#endif
@@ -137,7 +137,7 @@
#if 0
#ifndef __unused
# if LIBBSD_GCC_VERSION >= 0x0300
# define __unused __attribute__((unused))
# define __unused __attribute__((__unused__))
# else
# define __unused
# endif
@@ -146,7 +146,7 @@
#ifndef __printflike
# if LIBBSD_GCC_VERSION >= 0x0300
# define __printflike(x, y) __attribute((format(printf, (x), (y))))
# define __printflike(x, y) __attribute((__format__(__printf__, (x), (y))))
# else
# define __printflike(x, y)
# endif
@@ -202,7 +202,7 @@
#ifndef __containerof
# if LIBBSD_GCC_VERSION >= 0x0301
# define __containerof(x, s, m) ({ \
const volatile __typeof(((s *)0)->m) *__x = (x); \
const volatile __typeof__(((s *)0)->m) *__x = (x); \
__DEQUALIFY(s *, (const volatile char *)__x - __offsetof(s, m)); \
})
# else