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Re-added SDL_getenv() as a thread-safe getenv() implementation

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This commit is contained in:
Sam Lantinga
2024-09-15 09:16:30 -07:00
parent 718845a33d
commit 28b94c4758
28 changed files with 374 additions and 359 deletions
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21
include/SDL3/SDL_stdinc.h
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@@ -1156,16 +1156,33 @@ extern SDL_DECLSPEC void SDLCALL SDL_DestroyEnvironment(SDL_Environment *env);
/**
* Get the value of a variable in the environment.
*
* This function uses SDL's cached copy of the environment and is thread-safe.
*
* \param name the name of the variable to get.
* \returns a pointer to the value of the variable or NULL if it can't be
* found.
*
* \threadsafety It is safe to call this function from any thread.
*
* \since This function is available since SDL 3.0.0.
*/
extern SDL_DECLSPEC const char * SDLCALL SDL_getenv(const char *name);
/**
* Get the value of a variable in the environment.
*
* This function bypasses SDL's cached copy of the environment and is not thread-safe.
*
* \param name the name of the variable to get.
* \returns a pointer to the value of the variable or NULL if it can't be
* found.
*
* \threadsafety This function is not thread safe, consider using
* SDL_GetEnvironmentVariable() instead.
* SDL_getenv() instead.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_GetEnvironmentVariable
* \sa SDL_getenv
*/
extern SDL_DECLSPEC const char * SDLCALL SDL_getenv_unsafe(const char *name);