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fix bug where output file would always be deleted on error; instead, only delete when we know we have opened successfully, to avoid other problems like deleting pre-existing file when overwriting it fails

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This commit is contained in:
Josh Coalson
2006-10-09 05:35:59 +00:00
parent 484e074299
commit 51ab8cfd11
1 changed files with 12 additions and 2 deletions
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14
src/flac/encode.c
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@@ -65,6 +65,7 @@ typedef struct {
#endif
FLAC__bool verify;
FLAC__bool is_stdout;
FLAC__bool outputfile_opened; /* true if we successfully opened the output file and we want it to be deleted if there is an error */
const char *inbasefilename;
const char *outfilename;
@@ -1534,6 +1535,7 @@ FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC_
e->verify = verify;
e->is_stdout = (0 == strcmp(outfilename, "-"));
e->outputfile_opened = false;
e->inbasefilename = grabbag__file_get_basename(infilename);
e->outfilename = outfilename;
@@ -1672,8 +1674,8 @@ int EncoderSession_finish_error(EncoderSession *e)
if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
print_verify_error(e);
else
/*@@@@@@@@@ BUG: if error was caused because the output file already exists but the file encoder could not write on top of it (i.e. it's not writable), this will delete the pre-existing file, which is not what we want */
else if(e->outputfile_opened)
/* only want to delete the file if we opened it; otherwise it could be an existing file and our overwrite failed */
unlink(e->outfilename);
EncoderSession_destroy(e);
@@ -1984,10 +1986,14 @@ FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t optio
init_status = OggFLAC__stream_encoder_init_file(e->encoder.ogg, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e);
if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
print_error_with_init_status(e, "ERROR initializing encoder", init_status);
if(OggFLAC__stream_encoder_get_state(e->encoder.ogg) != OggFLAC__STREAM_ENCODER_IO_ERROR)
e->outputfile_opened = true;
if(0 != cuesheet)
FLAC__metadata_object_delete(cuesheet);
return false;
}
else
e->outputfile_opened = true;
}
else
#endif
@@ -2019,10 +2025,14 @@ FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t optio
init_status = FLAC__stream_encoder_init_file(e->encoder.flac, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e);
if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
print_error_with_init_status(e, "ERROR initializing encoder", init_status);
if(FLAC__stream_encoder_get_state(e->encoder.flac) != FLAC__STREAM_ENCODER_IO_ERROR)
e->outputfile_opened = true;
if(0 != cuesheet)
FLAC__metadata_object_delete(cuesheet);
return false;
}
else
e->outputfile_opened = true;
}
if(0 != cuesheet)