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alsa-ucm: split correctly JackHWMute device names

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-12-03 14:52:08 +01:00 • committed by Arun Raghavan
parent 6d830bf0f0
commit 156bd77424
1 changed files with 27 additions and 1 deletions
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28
src/modules/alsa/alsa-ucm.c
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@ -200,6 +200,32 @@ static void ucm_add_devices_to_idxset(
} }
} }
/* Split a string into words. Like pa_split_spaces() but handle '' and "". */
static char *ucm_split_devnames(const char *c, const char **state) {
const char *current = *state ? *state : c;
char h;
size_t l;
if (!*current || *c == 0)
return NULL;
current += strspn(current, "\n\r \t");
h = *current;
if (h == '\'' || h =='"') {
c = ++current;
for (l = 0; *c && *c != h; l++) c++;
if (*c != h)
return NULL;
*state = c + 1;
} else {
l = strcspn(current, "\n\r \t");
*state = current+l;
}
return pa_xstrndup(current, l);
}
static void ucm_volume_free(pa_alsa_ucm_volume *vol) { static void ucm_volume_free(pa_alsa_ucm_volume *vol) {
pa_assert(vol); pa_assert(vol);
pa_xfree(vol->mixer_elem); pa_xfree(vol->mixer_elem);
@ -1607,7 +1633,7 @@ static int ucm_create_profile(
char *hw_mute_device_name; char *hw_mute_device_name;
const char *state = NULL; const char *state = NULL;
while ((hw_mute_device_name = pa_split_spaces(jack_hw_mute, &state))) { while ((hw_mute_device_name = ucm_split_devnames(jack_hw_mute, &state))) {
pa_alsa_ucm_verb *verb2; pa_alsa_ucm_verb *verb2;
bool device_found = false; bool device_found = false;