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Extended parameterization. Marked with @ all fields with special use

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This commit is contained in:
Abramo Bagnara 2001-06-15 14:00:19 +00:00
parent cf325c68e3
commit 54daf2f16d
16 changed files with 315 additions and 349 deletions
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52
src/control/control.c
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@ -408,11 +408,11 @@ int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
SNDERR("Invalid type for %s", snd_config_get_id(conf));
return err;
}
err = snd_config_search_alias(snd_config, "ctl_type", str, &type_conf);
err = snd_config_search_definition(snd_config, "ctl_type", str, &type_conf);
if (err >= 0) {
if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
SNDERR("Invalid type for CTL type %s definition", str);
return -EINVAL;
goto _err;
}
snd_config_for_each(i, next, type_conf) {
snd_config_t *n = snd_config_iterator_entry(i);
@ -423,7 +423,7 @@ int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
err = snd_config_get_string(n, &lib);
if (err < 0) {
SNDERR("Invalid type for %s", id);
return -EINVAL;
goto _err;
}
continue;
}
@ -431,11 +431,13 @@ int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
err = snd_config_get_string(n, &open_name);
if (err < 0) {
SNDERR("Invalid type for %s", id);
return -EINVAL;
goto _err;
}
continue;
}
SNDERR("Unknown field %s", id);
_err:
snd_config_delete(type_conf);
return -EINVAL;
}
}
@ -446,11 +448,14 @@ int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
if (!lib)
lib = ALSA_LIB;
h = dlopen(lib, RTLD_NOW);
if (h)
open_func = dlsym(h, open_name);
if (type_conf)
snd_config_delete(type_conf);
if (!h) {
SNDERR("Cannot open shared library %s", lib);
return -ENOENT;
}
open_func = dlsym(h, open_name);
if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
@ -463,42 +468,9 @@ int snd_ctl_open_noupdate(snd_ctl_t **ctlp, snd_config_t *root, const char *name
{
int err;
snd_config_t *ctl_conf;
char *base, *key;
const char *args = strchr(name, ':');
if (args) {
args++;
base = alloca(args - name);
memcpy(base, name, args - name - 1);
base[args - name - 1] = '\0';
key = strchr(base, '.');
if (key)
*key++ = '\0';
} else {
key = strchr(name, '.');
if (key) {
key++;
base = alloca(key - name);
memcpy(base, name, key - name - 1);
base[key - name - 1] = '\0';
} else
base = (char *) name;
}
if (key == NULL) {
key = base;
base = NULL;
}
err = snd_config_search_alias(root, base, key, &ctl_conf);
err = snd_config_search_definition(root, "ctl", name, &ctl_conf);
if (err < 0) {
(void)(base == NULL && (err = snd_config_search_alias(root, "ctl", key, &ctl_conf)));
if (err < 0) {
SNDERR("Unknown PCM %s", name);
return err;
}
}
err = snd_config_expand(ctl_conf, args, NULL, &ctl_conf);
if (err < 0) {
SNDERR("Could not expand configuration for %s: %s", name, snd_strerror(err));
SNDERR("Invalid CTL %s", name);
return err;
}
err = snd_ctl_open_conf(ctlp, name, ctl_conf, mode);