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mhd_limits.h: use GCC predefined macros if available

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This commit is contained in:
Evgeny Grin (Karlson2k)
2016-07-23 18:55:06 +00:00
parent e47a4a62be
commit abdd48c5f2
1 changed files with 21 additions and 1 deletions
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src/microhttpd/mhd_limits.h
+21 -1
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@@ -33,7 +33,11 @@
#endif /* HAVE_LIMITS_H */
#ifndef LONG_MAX
#ifdef __LONG_MAX__
#define LONG_MAX __LONG_MAX__
#else /* ! __LONG_MAX__ */
#define LONG_MAX ((long) ~(((uint64_t) 1) << (8 * sizeof(long) - 1)))
#endif /* ! __LONG_MAX__ */
#endif /* !OFF_T_MAX */
#ifndef ULLONG_MAX
@@ -41,19 +45,35 @@
#endif /* !ULLONG_MAX */
#ifndef INT32_MAX
#ifdef __INT32_MAX__
#define INT32_MAX __INT32_MAX__
#else /* ! __INT32_MAX__ */
#define INT32_MAX ((int32_t)0x7FFFFFFF)
#endif /* ! __INT32_MAX__ */
#endif /* !INT32_MAX */
#ifndef UINT32_MAX
#ifdef __UINT32_MAX__
#define UINT32_MAX __UINT32_MAX__
#else /* ! __UINT32_MAX__ */
#define UINT32_MAX ((int32_t)0xFFFFFFFF)
#endif /* !INT32_MAX */
#endif /* ! __UINT32_MAX__ */
#endif /* !UNT32_MAX */
#ifndef UINT64_MAX
#ifdef __UINT64_MAX__
#define UINT64_MAX __UINT64_MAX__
#else /* ! __UINT64_MAX__ */
#define UINT64_MAX ((uint64_t)0xFFFFFFFFFFFFFFFF)
#endif /* ! __UINT64_MAX__ */
#endif /* !INT32_MAX */
#ifndef SIZE_MAX
#ifdef __SIZE_MAX__
#define SIZE_MAX __SIZE_MAX__
#else /* ! __SIZE_MAX__ */
#define SIZE_MAX ((size_t) ~((size_t)0))
#endif /* ! __SIZE_MAX__ */
#endif /* !SIZE_MAX */
#ifndef OFF_T_MAX