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wav writter: check if wav file exists, prevent access to NULL pointer

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This commit is contained in:
Milanka Ringwald 2017-12-22 23:12:32 +01:00
parent 9de20bbd3d
commit 74c22f758c
1 changed files with 1 additions and 0 deletions
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platform/posix/wav_util.c
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@ -133,6 +133,7 @@ int wav_writer_open(const char * filepath, int num_channels, int sampling_freque
}
int wav_writer_close(void){
if (!wav_writer_state.wav_file) return 0;
rewind(wav_writer_state.wav_file);
write_wav_header(wav_writer_state.wav_file, wav_writer_state.total_num_samples,
wav_writer_state.num_channels, wav_writer_state.sampling_frequency);