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checking limits of frame counts

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Taylor Holberton
2017-04-06 23:12:01 -07:00
parent 1137fc70bb
commit 851dd8073e
1 changed files with 10 additions and 0 deletions
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src/pcm.c
+10
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@@ -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;