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control: ctlparse - fix enum values in '' or ""

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This comit fixes the enum value string parser
(fixes aaf3a081bf).

BugLink: https://github.com/alsa-project/alsa-ucm-conf/pull/40
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2020-07-27 13:18:20 +02:00
parent a80606d1ab
commit a3ca4803cb
1 changed files with 15 additions and 11 deletions
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22
src/control/ctlparse.c
View file

@ -282,23 +282,27 @@ static int get_ctl_enum_item_index(snd_ctl_t *handle,
if (items <= 0)
return -1;
for (i = 0; i < items; i++) {
snd_ctl_elem_info_set_item(info, i);
if (snd_ctl_elem_info(handle, info) < 0)
return -1;
name = snd_ctl_elem_info_get_item_name(info);
end = *ptr;
if (end == '\'' || end == '"')
ptr++;
else
end = '\0';
for (i = 0; i < items; i++) {
snd_ctl_elem_info_set_item(info, i);
if (snd_ctl_elem_info(handle, info) < 0)
return -1;
name = snd_ctl_elem_info_get_item_name(info);
len = strlen(name);
if (strncmp(name, ptr, len) == 0) {
if (ptr[len] == end || ptr[len] == ',' || ptr[len] == '\n') {
ptr += len;
*ptrp = ptr;
if (strncmp(name, ptr, len))
continue;
if (end == '\0' && (ptr[len] == '\0' || ptr[len] == ',' || ptr[len] == '\n')) {
*ptrp = ptr + len;
return i;
}
if (end != '\0' && ptr[len] == end) {
*ptrp = ptr + len + 1;
return i;
}
}
return -1;