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oss/alsa: Do not invoke UB described in 7.15.1.1 (this time for ADC) 

Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
malc 2009-10-03 03:30:06 +04:00
parent cbc18261ea
commit a628b869be
2 changed files with 27 additions and 21 deletions
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9
audio/alsaaudio.c
View File

@ -1078,17 +1078,19 @@ static int alsa_read (SWVoiceIn *sw, void *buf, int size)
}
static int alsa_ctl_in (HWVoiceIn *hw, int cmd, ...)
{
ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw;
switch (cmd) {
case VOICE_ENABLE:
{
va_list ap;
int poll_mode;
ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw;
va_start (ap, cmd);
poll_mode = va_arg (ap, int);
va_end (ap);
switch (cmd) {
case VOICE_ENABLE:
ldebug ("enabling voice\n");
if (poll_mode && alsa_poll_in (hw)) {
poll_mode = 0;
@ -1096,6 +1098,7 @@ static int alsa_ctl_in (HWVoiceIn *hw, int cmd, ...)
hw->poll_mode = poll_mode;
return alsa_voice_ctl (alsa->handle, "capture", 0);
}
case VOICE_DISABLE:
ldebug ("disabling voice\n");

9
audio/ossaudio.c
View File

@ -780,21 +780,24 @@ static int oss_read (SWVoiceIn *sw, void *buf, int size)
}
static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
switch (cmd) {
case VOICE_ENABLE:
{
va_list ap;
int poll_mode;
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
va_start (ap, cmd);
poll_mode = va_arg (ap, int);
va_end (ap);
switch (cmd) {
case VOICE_ENABLE:
if (poll_mode && oss_poll_in (hw)) {
poll_mode = 0;
}
hw->poll_mode = poll_mode;
}
break;
case VOICE_DISABLE: