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Misc: New function for reading lvm config file fields

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Introduce 'dm_config_get_int', which will be used by the upcoming
cachepool segment type.
This commit is contained in:
Jonathan Brassow 2014-01-27 05:26:19 -06:00
parent 6b73d21ba9
commit 94377dfd5e
2 changed files with 15 additions and 0 deletions
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1
libdm/libdevmapper.h
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@ -1661,6 +1661,7 @@ int dm_config_tree_find_bool(const struct dm_config_tree *cft, const char *path,
int dm_config_find_bool(const struct dm_config_node *cn, const char *path, int fail);
int dm_config_value_is_bool(const struct dm_config_value *v);
int dm_config_get_int(const struct dm_config_node *cn, const char *path, int *result);
int dm_config_get_uint32(const struct dm_config_node *cn, const char *path, uint32_t *result);
int dm_config_get_uint64(const struct dm_config_node *cn, const char *path, uint64_t *result);
int dm_config_get_str(const struct dm_config_node *cn, const char *path, const char **result);

14
libdm/libdm-config.c
View File

@ -1047,6 +1047,20 @@ int dm_config_tree_find_bool(const struct dm_config_tree *cft, const char *path,
/************************************/
int dm_config_get_int(const struct dm_config_node *cn, const char *path,
int *result)
{
const struct dm_config_node *n;
n = _find_config_node(cn, path);
if (!n || !n->v || n->v->type != DM_CFG_INT)
return 0;
if (result)
*result = n->v->v.i;
return 1;
}
int dm_config_get_uint32(const struct dm_config_node *cn, const char *path,
uint32_t *result)