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Added SDL_ResetHint() to reset a hint to the default value

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Resolves question of how to clear an override hint raised by @pionere in https://github.com/libsdl-org/SDL/pull/5309
This commit is contained in:
Sam Lantinga 2022-08-10 07:59:12 -07:00
parent 3119d58ff5
commit d4192850c1
7 changed files with 108 additions and 2 deletions
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17
include/SDL_hints.h
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@ -2286,6 +2286,23 @@ extern DECLSPEC SDL_bool SDLCALL SDL_SetHintWithPriority(const char *name,
extern DECLSPEC SDL_bool SDLCALL SDL_SetHint(const char *name,
const char *value);
/**
* Reset a hint to the default value.
*
* This will reset a hint to the value of the environment variable, or NULL
* if the environment isn't set. Callbacks will be called normally with
* this change.
*
* \param name the hint to set
* \returns SDL_TRUE if the hint was set, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.24.0.
*
* \sa SDL_GetHint
* \sa SDL_SetHint
*/
extern DECLSPEC SDL_bool SDLCALL SDL_ResetHint(const char *name);
/**
* Get the value of a hint.
*