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error: SDL's allocators now call SDL_OutOfMemory on error.

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This means the allocator's caller doesn't need to use SDL_OutOfMemory directly
if the allocation fails.

This applies to the usual allocators: SDL_malloc, SDL_calloc, SDL_realloc
(all of these regardless of if the app supplied a custom allocator or we're
using system malloc() or an internal copy of dlmalloc under the hood),
SDL_aligned_alloc, SDL_small_alloc, SDL_strdup, SDL_asprintf, SDL_wcsdup...
probably others. If it returns something you can pass to SDL_free, it should
work.

The caller might still need to use SDL_OutOfMemory if something that wasn't
SDL allocated the memory: operator new in C++ code, Objective-C's alloc
message, win32 GlobalAlloc, etc.

Fixes #8642.
This commit is contained in:
Ryan C. Gordon
2023-11-30 00:14:27 -05:00
parent 70b65d4170
commit 447b508a77
197 changed files with 313 additions and 742 deletions
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4
src/audio/emscripten/SDL_emscriptenaudio.c
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@@ -178,7 +178,7 @@ static int EMSCRIPTENAUDIO_OpenDevice(SDL_AudioDevice *device)
// Initialize all variables that we clean on shutdown
device->hidden = (struct SDL_PrivateAudioData *)SDL_calloc(1, sizeof(*device->hidden));
if (!device->hidden) {
return SDL_OutOfMemory();
return -1;
}
// limit to native freq
@@ -189,7 +189,7 @@ static int EMSCRIPTENAUDIO_OpenDevice(SDL_AudioDevice *device)
if (!device->iscapture) {
device->hidden->mixbuf = (Uint8 *)SDL_malloc(device->buffer_size);
if (!device->hidden->mixbuf) {
return SDL_OutOfMemory();
return -1;
}
SDL_memset(device->hidden->mixbuf, device->silence_value, device->buffer_size);
}