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audio: Code defensively to placate static analyzers, don't disabling warnings.

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Ryan C. Gordon 2024-04-15 23:53:56 -04:00
parent bdd47f7770
commit 12b371679f
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GPG Key ID: FA148B892AB48044
1 changed files with 18 additions and 23 deletions
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13
src/audio/SDL_audio.c
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@ -1811,7 +1811,8 @@ int SDL_BindAudioStreams(SDL_AudioDeviceID devid, SDL_AudioStream **streams, int
for (int i = 0; i < num_streams; i++) { for (int i = 0; i < num_streams; i++) {
SDL_AudioStream *stream = streams[i]; SDL_AudioStream *stream = streams[i];
if (!stream) { if (!stream) {
retval = SDL_SetError("Stream #%d is NULL", i); SDL_SetError("Stream #%d is NULL", i);
retval = -1; // to pacify the static analyzer, that doesn't realize SDL_SetError() always returns -1.
} else { } else {
SDL_LockMutex(stream->lock); SDL_LockMutex(stream->lock);
SDL_assert((stream->bound_device == NULL) == ((stream->prev_binding == NULL) || (stream->next_binding == NULL))); SDL_assert((stream->bound_device == NULL) == ((stream->prev_binding == NULL) || (stream->next_binding == NULL)));
@ -1839,12 +1840,8 @@ int SDL_BindAudioStreams(SDL_AudioDeviceID devid, SDL_AudioStream **streams, int
// Now that everything is verified, chain everything together. // Now that everything is verified, chain everything together.
const SDL_bool iscapture = device->iscapture; const SDL_bool iscapture = device->iscapture;
for (int i = 0; i < num_streams; i++) { for (int i = 0; i < num_streams; i++) {
#ifdef _MSC_VER /* Visual Studio analyzer can't tell that streams[i] isn't NULL if retval is 0 */
#pragma warning(push)
#pragma warning(disable : 28182)
#endif
SDL_AudioStream *stream = streams[i]; SDL_AudioStream *stream = streams[i];
if (stream) { // shouldn't be NULL, but just in case...
stream->bound_device = logdev; stream->bound_device = logdev;
stream->prev_binding = NULL; stream->prev_binding = NULL;
stream->next_binding = logdev->bound_streams; stream->next_binding = logdev->bound_streams;
@ -1861,9 +1858,7 @@ int SDL_BindAudioStreams(SDL_AudioDeviceID devid, SDL_AudioStream **streams, int
} }
SDL_UnlockMutex(stream->lock); SDL_UnlockMutex(stream->lock);
#ifdef _MSC_VER }
#pragma warning(pop)
#endif
} }
} }