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

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slouken committed Aug 21, 2002
1 parent 36bb48e commit ed27928ca7f6b7444e0498216e3a553a98977beb
Showing with 11 additions and 0 deletions.
  1. +11 −0 include/SDL_types.h
@@ -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 */

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