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use _Static_assert for COMPILE_TIME_ASSERT if available

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Ozkan Sezer 2022-03-31 17:01:02 +03:00
parent 1baf872843
commit 633fa48842
1 changed files with 7 additions and 1 deletions
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8
Quake/q_stdinc.h
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@ -89,8 +89,14 @@
/* Make sure the types really have the right
* sizes: These macros are from SDL headers.
*/
#define COMPILE_TIME_ASSERT(name, x) \
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
#define COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x)
#elif defined(__cplusplus) && (__cplusplus >= 201103L)
#define COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
#else /* universal, but may trigger -Wunused-local-typedefs */
#define COMPILE_TIME_ASSERT(name, x) \
typedef int dummy_ ## name[(x) * 2 - 1]
#endif
COMPILE_TIME_ASSERT(char, sizeof(char) == 1);
COMPILE_TIME_ASSERT(float, sizeof(float) == 4);