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portaudio: minimal const-correctness

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This commit is contained in:
Olivier Galibert 2017-02-08 12:13:26 +00:00
parent 1dfd6a9c3f
commit 773e541626
1 changed files with 8 additions and 7 deletions
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15
3rdparty/portaudio/src/hostapi/alsa/pa_linux_alsa.c vendored
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@ -676,7 +676,7 @@ PaAlsaHostApiRepresentation;
typedef struct PaAlsaDeviceInfo
{
PaDeviceInfo baseDeviceInfo;
char *alsaName;
const char *alsaName;
int isPlug;
int minInputChannels;
int minOutputChannels;
@ -982,7 +982,7 @@ static PaUint32 PaAlsaVersionNum(void)
/* Helper struct */
typedef struct
{
char *alsaName;
const char *alsaName;
char *name;
int isPlug;
int hasPlayback;
@ -1079,9 +1079,9 @@ static int IgnorePlugin( const char *pluginId )
}
/* Skip past parts at the beginning of a (pcm) info name that are already in the card name, to avoid duplication */
static char *SkipCardDetailsInName( char *infoSkipName, char *cardRefName )
static const char *SkipCardDetailsInName( const char *infoSkipName, const char *cardRefName )
{
char *lastSpacePosn = infoSkipName;
const char *lastSpacePosn = infoSkipName;
/* Skip matching chars; but only in chunks separated by ' ' (not part words etc), so track lastSpacePosn */
while( *cardRefName )
@ -1238,7 +1238,7 @@ static PaError BuildDeviceList( PaAlsaHostApiRepresentation *alsaApi )
int res;
int blocking = SND_PCM_NONBLOCK;
int usePlughw = 0;
char *hwPrefix = "";
const char *hwPrefix = "";
char alsaCardName[50];
#ifdef PA_ENABLE_DEBUG_OUTPUT
PaTime startTime = PaUtil_GetTime();
@ -1292,7 +1292,8 @@ static PaError BuildDeviceList( PaAlsaHostApiRepresentation *alsaApi )
while( alsa_snd_ctl_pcm_next_device( ctl, &devIdx ) == 0 && devIdx >= 0 )
{
char *alsaDeviceName, *deviceName, *infoName;
char *alsaDeviceName, *deviceName;
const char *infoName;
size_t len;
int hasPlayback = 0, hasCapture = 0;
@ -1319,7 +1320,7 @@ static PaError BuildDeviceList( PaAlsaHostApiRepresentation *alsaApi )
continue;
}
infoName = SkipCardDetailsInName( (char *)alsa_snd_pcm_info_get_name( pcmInfo ), cardName );
infoName = SkipCardDetailsInName( alsa_snd_pcm_info_get_name( pcmInfo ), cardName );
/* The length of the string written by snprintf plus terminating 0 */
len = snprintf( NULL, 0, "%s: %s (%s)", cardName, infoName, buf ) + 1;