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Added min/max macros for the sized SDL datatypes

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This commit is contained in:
Sam Lantinga 2017-10-16 14:39:56 -07:00
parent 65cba5bab4
commit fc917367af
2 changed files with 36 additions and 0 deletions
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20
test/testplatform.c
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@ -30,6 +30,26 @@ TestTypes(SDL_bool verbose)
{
int error = 0;
SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT8, SDL_MAX_SINT8 == 127);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT8, SDL_MIN_SINT8 == -128);
SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT8, SDL_MAX_UINT8 == 255);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT8, SDL_MIN_UINT8 == 0);
SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT16, SDL_MAX_SINT16 == 32767);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT16, SDL_MIN_SINT16 == -32768);
SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT16, SDL_MAX_UINT16 == 65535);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT16, SDL_MIN_UINT16 == 0);
SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT32, SDL_MAX_SINT32 == 2147483647);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT32, SDL_MIN_SINT32 == ~0x7fffffff); /* Instead of -2147483648, which is treated as unsigned by some compilers */
SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT32, SDL_MAX_UINT32 == 4294967295u);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT32, SDL_MIN_UINT32 == 0);
SDL_COMPILE_TIME_ASSERT(SDL_MAX_SINT64, SDL_MAX_SINT64 == 9223372036854775807ll);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_SINT64, SDL_MIN_SINT64 == ~0x7fffffffffffffffll); /* Instead of -9223372036854775808, which is treated as unsigned by compilers */
SDL_COMPILE_TIME_ASSERT(SDL_MAX_UINT64, SDL_MAX_UINT64 == 18446744073709551615ull);
SDL_COMPILE_TIME_ASSERT(SDL_MIN_UINT64, SDL_MIN_UINT64 == 0);
if (badsize(sizeof(Uint8), 1)) {
if (verbose)
SDL_Log("sizeof(Uint8) != 1, instead = %u\n",