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We have the Weston command line option '--no-config' which is meant to prevent loading weston.ini at all. It works for Weston itself, but it does not work for any clients that also want to read weston.ini. To fix that, introduce a new environment variable WESTON_CONFIG_FILE. Weston will set it to the absolute path of the config file it loads. Clients will load the config file pointed to by WESTON_CONFIG_FILE. If the environment variable is set but empty, no config file will be loaded. If the variable is unset, things fall back to the default "weston.ini". Note, that Weston will only set WESTON_CONFIG_FILE, it never reads it. The ability to specify a custom config file to load will be another patch. All programs that loaded "weston.ini" are modified to honour WESTON_CONFIG_FILE. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk> Reviewed-by: Jonny Lamb <jonny.lamb@collabora.co.uk> Reviewed-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp> Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef CONFIGPARSER_H
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#define CONFIGPARSER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define WESTON_CONFIG_FILE_ENV_VAR "WESTON_CONFIG_FILE"
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enum config_key_type {
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CONFIG_KEY_INTEGER, /* typeof data = int */
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CONFIG_KEY_UNSIGNED_INTEGER, /* typeof data = unsigned int */
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CONFIG_KEY_STRING, /* typeof data = char* */
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CONFIG_KEY_BOOLEAN /* typeof data = int */
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};
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struct config_key {
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const char *name;
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enum config_key_type type;
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void *data;
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};
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struct config_section {
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const char *name;
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const struct config_key *keys;
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int num_keys;
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void (*done)(void *data);
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};
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enum weston_option_type {
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WESTON_OPTION_INTEGER,
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WESTON_OPTION_UNSIGNED_INTEGER,
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WESTON_OPTION_STRING,
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WESTON_OPTION_BOOLEAN
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};
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struct weston_option {
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enum weston_option_type type;
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const char *name;
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int short_name;
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void *data;
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};
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int
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parse_options(const struct weston_option *options,
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int count, int *argc, char *argv[]);
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struct weston_config_section;
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struct weston_config;
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struct weston_config_section *
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weston_config_get_section(struct weston_config *config, const char *section,
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const char *key, const char *value);
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int
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weston_config_section_get_int(struct weston_config_section *section,
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const char *key,
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int32_t *value, int32_t default_value);
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int
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weston_config_section_get_uint(struct weston_config_section *section,
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const char *key,
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uint32_t *value, uint32_t default_value);
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int
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weston_config_section_get_double(struct weston_config_section *section,
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const char *key,
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double *value, double default_value);
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int
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weston_config_section_get_string(struct weston_config_section *section,
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const char *key,
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char **value,
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const char *default_value);
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int
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weston_config_section_get_bool(struct weston_config_section *section,
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const char *key,
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int *value, int default_value);
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const char *
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weston_config_get_libexec_dir(void);
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const char *
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weston_config_get_name_from_env(void);
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struct weston_config *
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weston_config_parse(const char *name);
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const char *
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weston_config_get_full_path(struct weston_config *config);
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void
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weston_config_destroy(struct weston_config *config);
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int weston_config_next_section(struct weston_config *config,
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struct weston_config_section **section,
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const char **name);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CONFIGPARSER_H */
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