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ucm: String condition - implement Empty

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2020-05-26 15:32:36 +02:00
parent f688817e2c
commit a53a104f79
1 changed files with 17 additions and 0 deletions
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17
src/ucm/ucm_cond.c
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@ -44,6 +44,23 @@ static int if_eval_string(snd_use_case_mgr_t *uc_mgr, snd_config_t *eval)
char *s1, *s2;
int err;
if (uc_mgr->conf_format >= 3) {
err = get_string(eval, "Empty", &string1);
if (err < 0 && err != -ENOENT) {
uc_error("String error (If.Condition.Empty)");
return -EINVAL;
}
if (string1) {
err = uc_mgr_get_substituted_value(uc_mgr, &s1, string1);
if (err < 0)
return err;
err = s1 == NULL || s1[0] == '\0';
free(s1);
return err;
}
}
err = get_string(eval, "String1", &string1);
if (err < 0 && err != -ENOENT) {
uc_error("String error (If.Condition.String1)");