[dm-devel] [LVM PATCH 1/4] Misc: New function for reading lvm config file, 'dm_config_get_int'
Jonathan Brassow
jbrassow at redhat.com
Thu Jan 23 15:05:45 UTC 2014
---
libdm/libdevmapper.h | 1 +
libdm/libdm-config.c | 14 ++++++++++++++
2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h
index adfbb76..3bf8bd6 100644
--- a/libdm/libdevmapper.h
+++ b/libdm/libdevmapper.h
@@ -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);
diff --git a/libdm/libdm-config.c b/libdm/libdm-config.c
index ea1af2f..3297621 100644
--- a/libdm/libdm-config.c
+++ b/libdm/libdm-config.c
@@ -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)
--
1.7.7.6
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