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Add static assertions for version numbers' limits 

Signed-off-by: Simon McVittie <smcv@collabora.com>
This commit is contained in:
Simon McVittie 2022-05-03 13:17:59 +01:00 committed by Sam Lantinga
parent ba6f96275e
commit d4b82bfa4c
1 changed files with 16 additions and 0 deletions
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16
src/SDL.c
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@ -62,6 +62,22 @@ extern int SDL_HelperWindowCreate(void);
extern int SDL_HelperWindowDestroy(void);
#endif
SDL_COMPILE_TIME_ASSERT(SDL_MAJOR_VERSION_min, SDL_MAJOR_VERSION >= 0);
/* Limited only by the need to fit in SDL_version */
SDL_COMPILE_TIME_ASSERT(SDL_MAJOR_VERSION_max, SDL_MAJOR_VERSION <= 255);
SDL_COMPILE_TIME_ASSERT(SDL_MINOR_VERSION_min, SDL_MINOR_VERSION >= 0);
/* Limited only by the need to fit in SDL_version */
SDL_COMPILE_TIME_ASSERT(SDL_MINOR_VERSION_max, SDL_MINOR_VERSION <= 255);
SDL_COMPILE_TIME_ASSERT(SDL_PATCHLEVEL_min, SDL_PATCHLEVEL >= 0);
#if SDL_MAJOR_VERSION < 3
/* Limited by its encoding in SDL_VERSIONNUM */
SDL_COMPILE_TIME_ASSERT(SDL_PATCHLEVEL_max, SDL_PATCHLEVEL <= 99);
#else
/* Limited only by the need to fit in SDL_version */
SDL_COMPILE_TIME_ASSERT(SDL_PATCHLEVEL_max, SDL_PATCHLEVEL <= 255);
#endif
/* This is not declared in any header, although it is shared between some
parts of SDL, because we don't want anything calling it without an