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SDL_stdinc.h: add fallback cases for SDL_SINT64_C and SDL_UINT64_C

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These are needed when INT64_C and UINT64_C macros are either not
available (not likely), or guarded by __STDC_LIMIT_MACROS in C++
compilations (which is the case in many old SDKs.)
This commit is contained in:
Ozkan Sezer 2024-05-09 20:55:56 +03:00
parent 9245084c06
commit 890ceb4ac4
1 changed files with 11 additions and 0 deletions
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11
include/SDL3/SDL_stdinc.h
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@ -139,8 +139,19 @@ void *alloca(size_t);
/**
* Append the 64 bit integer suffix to an integer literal.
*/
#if defined(INT64_C)
#define SDL_SINT64_C(c) INT64_C(c)
#define SDL_UINT64_C(c) UINT64_C(c)
#elif defined(_MSC_VER)
#define SDL_INT64_C(c) c ## i64
#define SDL_UINT64_C(c) c ## ui64
#elif defined(__LP64__) || defined(_LP64)
#define SDL_INT64_C(c) c ## L
#define SDL_UINT64_C(c) c ## UL
#else
#define SDL_INT64_C(c) c ## LL
#define SDL_UINT64_C(c) c ## ULL
#endif
/**
* \name Basic data types