[lvm-devel] master - libdm-config: Implement dm_config_remove_node.
Petr Rockai
mornfall at fedoraproject.org
Thu Nov 20 15:53:05 UTC 2014
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=de2c5ab2ac0100c1d2f0648b9fec5304371a1ae5
Commit: de2c5ab2ac0100c1d2f0648b9fec5304371a1ae5
Parent: 8bc996676345bdaa69e0bdaaebb490a9da5a7d4b
Author: Petr Rockai <prockai at redhat.com>
AuthorDate: Thu Nov 20 12:05:09 2014 +0100
Committer: Petr Rockai <prockai at redhat.com>
CommitterDate: Thu Nov 20 16:51:06 2014 +0100
libdm-config: Implement dm_config_remove_node.
---
libdm/libdevmapper.h | 1 +
libdm/libdm-config.c | 17 +++++++++++++++++
2 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h
index 3400c28..895ad48 100644
--- a/libdm/libdevmapper.h
+++ b/libdm/libdevmapper.h
@@ -1879,6 +1879,7 @@ int dm_config_write_one_node_out(const struct dm_config_node *cn, const struct d
struct dm_config_node *dm_config_find_node(const struct dm_config_node *cn, const char *path);
int dm_config_has_node(const struct dm_config_node *cn, const char *path);
+int dm_config_remove_node(struct dm_config_node *parent, struct dm_config_node *remove);
const char *dm_config_find_str(const struct dm_config_node *cn, const char *path, const char *fail);
const char *dm_config_find_str_allow_empty(const struct dm_config_node *cn, const char *path, const char *fail);
int dm_config_find_int(const struct dm_config_node *cn, const char *path, int fail);
diff --git a/libdm/libdm-config.c b/libdm/libdm-config.c
index 1bc88e1..e99ae26 100644
--- a/libdm/libdm-config.c
+++ b/libdm/libdm-config.c
@@ -1380,3 +1380,20 @@ struct dm_config_tree *dm_config_flatten(struct dm_config_tree *cft)
return res;
}
+
+int dm_config_remove_node(struct dm_config_node *parent, struct dm_config_node *remove)
+{
+ struct dm_config_node *cn = parent->child, *last = NULL;
+ while (cn) {
+ if (cn == remove) {
+ if (last)
+ last->sib = cn->sib;
+ else
+ parent->child = cn->sib;
+ return 1;
+ }
+ last = cn;
+ cn = cn->sib;
+ }
+ return 0;
+}
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