[lvm-devel] [PATCH 03/19] Add id_format_and_copy() uuid function to allocate and format a uuid.
Dave Wysochanski
dwysocha at redhat.com
Wed Sep 15 15:35:55 UTC 2010
Add supporting uuid function to allocate memory and call id_write_format.
Will be used from reporting functions as well as property functions.
Signed-off-by: Dave Wysochanski <dwysocha at redhat.com>
---
lib/uuid/uuid.c | 15 +++++++++++++++
lib/uuid/uuid.h | 2 ++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/lib/uuid/uuid.c b/lib/uuid/uuid.c
index de3f0cd..e85e852 100644
--- a/lib/uuid/uuid.c
+++ b/lib/uuid/uuid.c
@@ -206,3 +206,18 @@ int id_read_format(struct id *id, const char *buffer)
return id_valid(id);
}
+
+char *id_format_and_copy(struct dm_pool *mem, const struct id *id)
+{
+ char *repstr = NULL;
+
+ if (!(repstr = dm_pool_alloc(mem, 40))) {
+ log_error("dm_pool_alloc failed");
+ return NULL;
+ }
+
+ if (!id_write_format(id, repstr, 40))
+ return_NULL;
+
+ return repstr;
+}
diff --git a/lib/uuid/uuid.h b/lib/uuid/uuid.h
index 0029639..5c8382d 100644
--- a/lib/uuid/uuid.h
+++ b/lib/uuid/uuid.h
@@ -54,4 +54,6 @@ int id_write_format(const struct id *id, char *buffer, size_t size);
*/
int id_read_format(struct id *id, const char *buffer);
+char *id_format_and_copy(struct dm_pool *mem, const struct id *id);
+
#endif
--
1.7.2.1
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