/builddir/build/BUILD/alsa-lib-1.0.14rc3/include/conf.h

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00001 
00011 /*
00012  *   This library is free software; you can redistribute it and/or modify
00013  *   it under the terms of the GNU Lesser General Public License as
00014  *   published by the Free Software Foundation; either version 2.1 of
00015  *   the License, or (at your option) any later version.
00016  *
00017  *   This program is distributed in the hope that it will be useful,
00018  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00019  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020  *   GNU Lesser General Public License for more details.
00021  *
00022  *   You should have received a copy of the GNU Lesser General Public
00023  *   License along with this library; if not, write to the Free Software
00024  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00025  *
00026  */
00027 
00028 #ifndef __ALSA_CONF_H
00029 #define __ALSA_CONF_H
00030 
00031 #ifdef __cplusplus
00032 extern "C" {
00033 #endif
00034 
00043 #define SND_CONFIG_DLSYM_VERSION_EVALUATE       _dlsym_config_evaluate_001
00044 
00045 #define SND_CONFIG_DLSYM_VERSION_HOOK           _dlsym_config_hook_001
00046 
00048 typedef enum _snd_config_type {
00050         SND_CONFIG_TYPE_INTEGER,
00052         SND_CONFIG_TYPE_INTEGER64,
00054         SND_CONFIG_TYPE_REAL,
00056         SND_CONFIG_TYPE_STRING,
00058         SND_CONFIG_TYPE_POINTER,
00060         SND_CONFIG_TYPE_COMPOUND = 1024
00061 } snd_config_type_t;
00062 
00069 typedef struct _snd_config snd_config_t;
00077 typedef struct _snd_config_iterator *snd_config_iterator_t;
00083 typedef struct _snd_config_update snd_config_update_t;
00084 
00085 extern snd_config_t *snd_config;
00086 
00087 int snd_config_top(snd_config_t **config);
00088 
00089 int snd_config_load(snd_config_t *config, snd_input_t *in);
00090 int snd_config_load_override(snd_config_t *config, snd_input_t *in);
00091 int snd_config_save(snd_config_t *config, snd_output_t *out);
00092 int snd_config_update(void);
00093 int snd_config_update_r(snd_config_t **top, snd_config_update_t **update, const char *path);
00094 int snd_config_update_free(snd_config_update_t *update);
00095 int snd_config_update_free_global(void);
00096 
00097 int snd_config_search(snd_config_t *config, const char *key,
00098                       snd_config_t **result);
00099 int snd_config_searchv(snd_config_t *config, 
00100                        snd_config_t **result, ...);
00101 int snd_config_search_definition(snd_config_t *config,
00102                                  const char *base, const char *key,
00103                                  snd_config_t **result);
00104 
00105 int snd_config_expand(snd_config_t *config, snd_config_t *root,
00106                       const char *args, snd_config_t *private_data,
00107                       snd_config_t **result);
00108 int snd_config_evaluate(snd_config_t *config, snd_config_t *root,
00109                         snd_config_t *private_data, snd_config_t **result);
00110 
00111 int snd_config_add(snd_config_t *config, snd_config_t *leaf);
00112 int snd_config_delete(snd_config_t *config);
00113 int snd_config_delete_compound_members(const snd_config_t *config);
00114 int snd_config_copy(snd_config_t **dst, snd_config_t *src);
00115 
00116 int snd_config_make(snd_config_t **config, const char *key,
00117                     snd_config_type_t type);
00118 int snd_config_make_integer(snd_config_t **config, const char *key);
00119 int snd_config_make_integer64(snd_config_t **config, const char *key);
00120 int snd_config_make_real(snd_config_t **config, const char *key);
00121 int snd_config_make_string(snd_config_t **config, const char *key);
00122 int snd_config_make_pointer(snd_config_t **config, const char *key);
00123 int snd_config_make_compound(snd_config_t **config, const char *key, int join);
00124 
00125 int snd_config_imake_integer(snd_config_t **config, const char *key, const long value);
00126 int snd_config_imake_integer64(snd_config_t **config, const char *key, const long long value);
00127 int snd_config_imake_real(snd_config_t **config, const char *key, const double value);
00128 int snd_config_imake_string(snd_config_t **config, const char *key, const char *ascii);
00129 int snd_config_imake_pointer(snd_config_t **config, const char *key, const void *ptr);
00130 
00131 snd_config_type_t snd_config_get_type(const snd_config_t *config);
00132 
00133 int snd_config_set_id(snd_config_t *config, const char *id);
00134 int snd_config_set_integer(snd_config_t *config, long value);
00135 int snd_config_set_integer64(snd_config_t *config, long long value);
00136 int snd_config_set_real(snd_config_t *config, double value);
00137 int snd_config_set_string(snd_config_t *config, const char *value);
00138 int snd_config_set_ascii(snd_config_t *config, const char *ascii);
00139 int snd_config_set_pointer(snd_config_t *config, const void *ptr);
00140 int snd_config_get_id(const snd_config_t *config, const char **value);
00141 int snd_config_get_integer(const snd_config_t *config, long *value);
00142 int snd_config_get_integer64(const snd_config_t *config, long long *value);
00143 int snd_config_get_real(const snd_config_t *config, double *value);
00144 int snd_config_get_ireal(const snd_config_t *config, double *value);
00145 int snd_config_get_string(const snd_config_t *config, const char **value);
00146 int snd_config_get_ascii(const snd_config_t *config, char **value);
00147 int snd_config_get_pointer(const snd_config_t *config, const void **value);
00148 int snd_config_test_id(const snd_config_t *config, const char *id);
00149 
00150 snd_config_iterator_t snd_config_iterator_first(const snd_config_t *node);
00151 snd_config_iterator_t snd_config_iterator_next(const snd_config_iterator_t iterator);
00152 snd_config_iterator_t snd_config_iterator_end(const snd_config_t *node);
00153 snd_config_t *snd_config_iterator_entry(const snd_config_iterator_t iterator);
00154 
00163 #define snd_config_for_each(pos, next, node) \
00164         for (pos = snd_config_iterator_first(node), next = snd_config_iterator_next(pos); pos != snd_config_iterator_end(node); pos = next, next = snd_config_iterator_next(pos))
00165 
00166 /* Misc functions */
00167 
00168 int snd_config_get_bool_ascii(const char *ascii);
00169 int snd_config_get_bool(const snd_config_t *conf);
00170 int snd_config_get_ctl_iface_ascii(const char *ascii);
00171 int snd_config_get_ctl_iface(const snd_config_t *conf);
00172 
00173 /* Names functions */
00174 
00178 typedef struct snd_devname snd_devname_t;
00179 
00183 struct snd_devname {
00184         char *name;     
00185         char *comment;  
00186         snd_devname_t *next;    
00187 };
00188 
00189 int snd_names_list(const char *iface, snd_devname_t **list);
00190 void snd_names_list_free(snd_devname_t *list);
00191 
00194 #ifdef __cplusplus
00195 }
00196 #endif
00197 
00198 #endif /* __ALSA_CONF_H */

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