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[lvm-devel] [PATCH 03/19] Add id_format_and_copy() uuid function to allocate and format a uuid.



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 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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