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authorKevin P. Fleming <kpfleming@digium.com>2007-10-25 23:11:28 +0000
committerKevin P. Fleming <kpfleming@digium.com>2007-10-25 23:11:28 +0000
commitc6a8d45f4370b7c79355c94b04c8095ef28a49d1 (patch)
tree8170814f2914d23f86616af02f2ce29661a10950 /include/asterisk/linkedlists.h
parentadc9003fc5119a4265dc85f64f32c66c358f9a87 (diff)
Merged revisions 87069 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r87069 | kpfleming | 2007-10-25 18:03:11 -0500 (Thu, 25 Oct 2007) | 2 lines appending one list to another should leave the first list empty, and not require the user to do that ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@87070 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'include/asterisk/linkedlists.h')
-rw-r--r--include/asterisk/linkedlists.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asterisk/linkedlists.h b/include/asterisk/linkedlists.h
index b503f5b75..21e38761a 100644
--- a/include/asterisk/linkedlists.h
+++ b/include/asterisk/linkedlists.h
@@ -693,6 +693,9 @@ struct { \
\param list This is a pointer to the list to be appended.
\param field This is the name of the field (declared using AST_LIST_ENTRY())
used to link entries of this list together.
+
+ Note: The source list (the \a list parameter) will be empty after
+ calling this macro (the list entries are \b moved to the target list).
*/
#define AST_LIST_APPEND_LIST(head, list, field) do { \
if (!(head)->first) { \
@@ -702,6 +705,8 @@ struct { \
(head)->last->field.next = (list)->first; \
(head)->last = (list)->last; \
} \
+ (list)->first = NULL; \
+ (list)->last = NULL; \
} while (0)
#define AST_RWLIST_APPEND_LIST AST_LIST_APPEND_LIST