diff options
| -rw-r--r-- | src/pcm.c | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -525,6 +525,8 @@ int pcm_get_htimestamp(struct pcm *pcm, unsigned int *avail, * @param pcm A PCM handle. * @param data The audio sample array * @param frame_count The number of frames occupied by the sample array. + * This value should not be greater than @ref TINYALSA_FRAMES_MAX + * or INT_MAX. * @return On success, this function returns the number of frames written; otherwise, a negative number. * @ingroup libtinyalsa-pcm */ @@ -534,6 +536,9 @@ int pcm_writei(struct pcm *pcm, const void *data, unsigned int frame_count) if (pcm->flags & PCM_IN) return -EINVAL; + else if ((frame_count > TINYALSA_FRAMES_MAX) + || (frame_count > INT_MAX)) + return -EINVAL; x.buf = (void*)data; x.frames = frame_count; @@ -573,6 +578,8 @@ int pcm_writei(struct pcm *pcm, const void *data, unsigned int frame_count) * @param pcm A PCM handle. * @param data The audio sample array * @param frame_count The number of frames occupied by the sample array. + * This value should not be greater than @ref TINYALSA_FRAMES_MAX + * or INT_MAX. * @return On success, this function returns the number of frames written; otherwise, a negative number. * @ingroup libtinyalsa-pcm */ @@ -582,6 +589,9 @@ int pcm_readi(struct pcm *pcm, void *data, unsigned int frame_count) if (!(pcm->flags & PCM_IN)) return -EINVAL; + else if ((frame_count > TINYALSA_FRAMES_MAX) + || (frame_count > INT_MAX)) + return -EINVAL; x.buf = data; x.frames = frame_count; |