First version of configuration helpers

This commit is contained in:
Abramo Bagnara 2000-08-24 12:49:51 +00:00
parent 24b11896d0
commit c709eb8140
7 changed files with 932 additions and 3 deletions

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@ -4,7 +4,7 @@ sysinclude_HEADERS = asoundlib.h
# This is the order they will be concatenated into asoundlib.h!
#
header_files=header.h version.h error.h control.h mixer.h pcm.h rawmidi.h \
timer.h hwdep.h seq.h seqmid.h conv.h instr.h footer.h
timer.h hwdep.h seq.h seqmid.h conv.h instr.h conf.h footer.h
noinst_HEADERS=$(header_files) search.h

57
include/conf.h Normal file
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@ -0,0 +1,57 @@
typedef enum {
SND_CONFIG_TYPE_INTEGER,
SND_CONFIG_TYPE_REAL,
SND_CONFIG_TYPE_STRING,
SND_CONFIG_TYPE_COMPOUND,
} snd_config_type_t;
typedef struct snd_config snd_config_t;
struct snd_config {
char *id;
snd_config_type_t type;
union {
long integer;
char *string;
double real;
struct {
struct list_head fields;
int join;
} compound;
} u;
struct list_head list;
snd_config_t *father;
};
int snd_config_load(snd_config_t **config, FILE *fp);
int snd_config_save(snd_config_t *config, FILE *fp);
int snd_config_search(snd_config_t *config, char *key, snd_config_t **result);
int snd_config_add(snd_config_t *config, snd_config_t *leaf);
int snd_config_delete(snd_config_t *config);
int snd_config_make(snd_config_t **config, char *key,
snd_config_type_t type);
int snd_config_integer_set(snd_config_t *config, long value);
int snd_config_real_set(snd_config_t *config, double value);
int snd_config_string_set(snd_config_t *config, char *value);
int snd_config_integer_get(snd_config_t *config, long *value);
int snd_config_real_get(snd_config_t *config, double *value);
int snd_config_string_get(snd_config_t *config, char **value);
/* One argument: long, double or char* */
int snd_config_set(snd_config_t *config, ...);
int snd_config_get(snd_config_t *config, void *);
typedef struct list_head *snd_config_iterator_t;
#define snd_config_foreach(iterator, node) \
assert((node)->type == SND_CONFIG_TYPE_COMPOUND); \
for (iterator = (node)->u.compound.fields.next; iterator != &(node)->u.compound.fields; iterator = iterator->next)
#define snd_config_entry(iterator) list_entry(iterator, snd_config_t, list)

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@ -1,6 +1,7 @@
/*
* Application interface library for the ALSA driver
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
* Abramo Bagnara <abramo@alsa-project.org>
*
*
* This library is free software; you can redistribute it and/or modify