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Added compile-time checking for the size of enums to SDL_types.h

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40464
This commit is contained in:
Sam Lantinga 2002-08-21 04:16:31 +00:00
parent 5310d6d97f
commit 9691009892
1 changed files with 11 additions and 0 deletions
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11
include/SDL_types.h
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@ -84,6 +84,17 @@ SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
/* Check to make sure enums are the size of ints, for structure packing.
For both Watcom C/C++ and Borland C/C++ the compiler option that makes
enums having the size of an int must be enabled.
This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
*/
typedef enum {
DUMMY_ENUM_VALUE
} SDL_DUMMY_ENUM;
SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
#undef SDL_COMPILE_TIME_ASSERT
/* General keyboard/mouse state definitions */