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Don't leak if realloc fails

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meyraud705 2023-11-10 13:25:54 +01:00 • committed by Sam Lantinga
parent 36b2d2e463
commit 8708ba7393
7 changed files with 38 additions and 22 deletions
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6
src/thread/SDL_thread.c
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@ -54,13 +54,15 @@ int SDL_SetTLS(SDL_TLSID id, const void *value, void(SDLCALL *destructor)(void *
storage = SDL_SYS_GetTLSData();
if (!storage || (id > storage->limit)) {
unsigned int i, oldlimit, newlimit;
SDL_TLSData *new_storage;
oldlimit = storage ? storage->limit : 0;
newlimit = (id + TLS_ALLOC_CHUNKSIZE);
storage = (SDL_TLSData *)SDL_realloc(storage, sizeof(*storage) + (newlimit - 1) * sizeof(storage->array[0]));
if (!storage) {
new_storage = (SDL_TLSData *)SDL_realloc(storage, sizeof(*storage) + (newlimit - 1) * sizeof(storage->array[0]));
if (!new_storage) {
return SDL_OutOfMemory();
}
storage = new_storage;
storage->limit = newlimit;
for (i = oldlimit; i < newlimit; ++i) {
storage->array[i].data = NULL;