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Added thread-safe environment functions

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Also marked the existing functions as unsafe, as they can cause crashes if used in multi-threaded applications.

As a bonus, since the new functions are hashtable based, hint environment lookups are much faster.
This commit is contained in:
Sam Lantinga
2024-09-13 17:00:15 -07:00
parent 16ff7503b7
commit 90e01040c5
49 changed files with 696 additions and 252 deletions
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2
src/test/SDL_test_memory.c
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@@ -299,7 +299,7 @@ void SDLTest_TrackAllocations(void)
#ifdef SDLTEST_UNWIND_NO_PROC_NAME_BY_IP
do {
/* Don't use SDL_GetHint: SDL_malloc is off limits. */
const char *env_trackmem = SDL_getenv("SDL_TRACKMEM_SYMBOL_NAMES");
const char *env_trackmem = SDL_getenv_unsafe("SDL_TRACKMEM_SYMBOL_NAMES");
if (env_trackmem) {
if (SDL_strcasecmp(env_trackmem, "1") == 0 || SDL_strcasecmp(env_trackmem, "yes") == 0 || SDL_strcasecmp(env_trackmem, "true") == 0) {
s_unwind_symbol_names = SDL_TRUE;