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ucm: Set default include path

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Many UCM profiles include the UCM profile components under ucm/*
subdirectories and thusly put <searchdir:ucm> at each place.  This is
rather cumbersome.

This patch makes the UCM parser to set the default include path, so
that each profile no longer needs to set searchdir.  All the
<searchdir:ucm> lines currently found in the profiles are removed
gracefully, too.

For the needed implementation, a new helper,
_snd_config_load_with_include() is introduced.  It's not exported,
only for the use inside alsa-lib.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2018-11-28 16:25:41 +01:00
parent d48adc2a20
commit c9fcf98369
23 changed files with 41 additions and 25 deletions
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7
src/ucm/utils.c
View file

@ -54,6 +54,7 @@ int uc_mgr_config_load(const char *file, snd_config_t **cfg)
FILE *fp;
snd_input_t *in;
snd_config_t *top;
const char *default_path;
int err;
fp = fopen(file, "r");
@ -70,7 +71,11 @@ int uc_mgr_config_load(const char *file, snd_config_t **cfg)
err = snd_config_top(&top);
if (err < 0)
return err;
err = snd_config_load(top, in);
default_path = getenv(ALSA_CONFIG_UCM_VAR);
if (!default_path || !*default_path)
default_path = ALSA_CONFIG_DIR "/ucm";
err = _snd_config_load_with_include(top, in, default_path);
if (err < 0) {
uc_error("could not load configuration file %s", file);
snd_config_delete(top);