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Free any temporary environment memory at SDL_Quit()

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Fixes https://github.com/libsdl-org/SDL/issues/9860
This commit is contained in:
Sam Lantinga
2024-05-23 11:22:00 -07:00
parent 4022682c28
commit 156ca356b5
2 changed files with 16 additions and 0 deletions
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3
src/SDL.c
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@@ -58,6 +58,7 @@
extern int SDL_HelperWindowCreate(void); extern int SDL_HelperWindowCreate(void);
extern int SDL_HelperWindowDestroy(void); extern int SDL_HelperWindowDestroy(void);
#endif #endif
extern void SDL_FreeEnvironmentMemory(void);
#ifdef SDL_BUILD_MAJOR_VERSION #ifdef SDL_BUILD_MAJOR_VERSION
SDL_COMPILE_TIME_ASSERT(SDL_BUILD_MAJOR_VERSION, SDL_COMPILE_TIME_ASSERT(SDL_BUILD_MAJOR_VERSION,
@@ -557,6 +558,8 @@ void SDL_Quit(void)
SDL_CleanupTLS(); SDL_CleanupTLS();
SDL_FreeEnvironmentMemory();
SDL_bInMainQuit = SDL_FALSE; SDL_bInMainQuit = SDL_FALSE;
} }

13
src/stdlib/SDL_getenv.c
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@@ -32,6 +32,19 @@
/* Note this isn't thread-safe! */ /* Note this isn't thread-safe! */
static char *SDL_envmem = NULL; /* Ugh, memory leak */ static char *SDL_envmem = NULL; /* Ugh, memory leak */
static size_t SDL_envmemlen = 0; static size_t SDL_envmemlen = 0;
void SDL_FreeEnvironmentMemory(void)
{
if (SDL_envmem) {
SDL_free(SDL_envmem);
SDL_envmem = NULL;
SDL_envmemlen = 0;
}
}
#else
void SDL_FreeEnvironmentMemory(void)
{
}
#endif #endif
/* Put a variable into the environment */ /* Put a variable into the environment */