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Add additional input validation to SDL_BuildAudioCVT; add additional tests to automation (audio, rwops)

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This commit is contained in:
Andreas Schiffler
2013-01-21 09:16:27 -08:00
parent 878537bc61
commit 0dfee1f016
3 changed files with 483 additions and 12 deletions
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10
src/audio/SDL_audiocvt.c
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@@ -968,6 +968,12 @@ SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
* !!! FIXME: good in practice as it sounds in theory, though.
*/
/* Sanity check target pointer */
if (cvt == NULL) {
SDL_InvalidParamError("cvt");
return -1;
}
/* there are no unsigned types over 16 bits, so catch this up front. */
if ((SDL_AUDIO_BITSIZE(src_fmt) > 16) && (!SDL_AUDIO_ISSIGNED(src_fmt))) {
SDL_SetError("Invalid source format");
@@ -979,6 +985,10 @@ SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
}
/* prevent possible divisions by zero, etc. */
if ((src_channels == 0) || (dst_channels == 0)) {
SDL_SetError("Source or destination channels is zero");
return -1;
}
if ((src_rate == 0) || (dst_rate == 0)) {
SDL_SetError("Source or destination rate is zero");
return -1;