openharmony/third_party_tinyalsa
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checking results of fread() calls

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This commit is contained in:
Taylor Holberton
2016-10-01 21:38:34 -04:00
parent 7c8b20a6fe
commit 2fdee65cf7
1 changed files with 15 additions and 3 deletions
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utils/tinyplay.c
+15 -3
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@@ -154,7 +154,11 @@ int main(int argc, char **argv)
}
if ( !is_raw ) {
fread(&riff_wave_header, sizeof(riff_wave_header), 1, file);
if (fread(&riff_wave_header, sizeof(riff_wave_header), 1, file) != 1){
fprintf(stderr, "Error: '%s' does not contain a riff/wave header\n", filename);
fclose(file);
return 1;
}
if ((riff_wave_header.riff_id != ID_RIFF) ||
(riff_wave_header.wave_id != ID_WAVE)) {
fprintf(stderr, "Error: '%s' is not a riff/wave file\n", filename);
@@ -162,10 +166,18 @@ int main(int argc, char **argv)
return 1;
}
do {
fread(&chunk_header, sizeof(chunk_header), 1, file);
if (fread(&chunk_header, sizeof(chunk_header), 1, file) != 1){
fprintf(stderr, "Error: '%s' does not contain a data chunk\n", filename);
fclose(file);
return 1;
}
switch (chunk_header.id) {
case ID_FMT:
fread(&chunk_fmt, sizeof(chunk_fmt), 1, file);
if (fread(&chunk_fmt, sizeof(chunk_fmt), 1, file) != 1){
fprintf(stderr, "Error: '%s' has incomplete format chunk\n", filename);
fclose(file);
return 1;
}
/* If the format header is larger, skip the rest */
if (chunk_header.sz > sizeof(chunk_fmt))
fseek(file, chunk_header.sz - sizeof(chunk_fmt), SEEK_CUR);