forked from altcloud/fence-virt
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
#ifndef _SIMPLECONFIG_H
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#define _SIMPLECONFIG_H
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typedef int (*config_get_t)(void *config, const char *key,
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char *value, size_t valuesz);
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typedef int (*config_set_t)(void *config, const char *key,
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const char *value);
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typedef int (*config_parse_t)(const char *filename, void **config);
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typedef int (*config_free_t)(void *config);
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typedef void (*config_dump_t)(void *config, FILE *fp);
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/*
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* We use an abstract object here so we do not have to link loadable
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* modules against the configuration library.
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*/
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typedef struct {
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config_get_t get;
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config_set_t set;
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config_parse_t parse;
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config_free_t free;
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config_dump_t dump;
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void *info;
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} config_object_t;
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/*
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* These macros may be called from within a loadable module
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*/
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#define sc_get(obj, key, value, valuesz) \
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obj->get(obj->info, key, value, valuesz)
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#define sc_set(obj, key, value) \
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obj->set(obj->info, key, value)
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#define sc_parse(obj, filename) \
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obj->parse(filename, &obj->info)
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#define sc_free(obj) \
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obj->free(obj->info)
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#define sc_dump(obj, fp) \
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obj->dump(obj->info, fp)
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/*
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* Do not call the below functions from loadable modules. Doing so
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* requires linking the configuration library in to the modules, which
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* is what we want to avoid.
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*/
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/* Returns a copy of our simple config object */
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config_object_t *sc_init(void);
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/* Frees a previously-allocated copy of our simple config object */
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void sc_release(config_object_t *c);
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#endif
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