[Qemu-devel] [PATCH v2 1/4] qemu-option: New qemu_opts_reset()

[Kevin Wolf <kwolf@redhat.com>]

From: Markus Armbruster <armbru@redhat.com>

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 qemu-option.c |    9 +++++++++
 qemu-option.h |    1 +
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/qemu-option.c b/qemu-option.c
index 7f70d0f..30327d4 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -719,6 +719,15 @@ QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id, int fail_if_exist
     return opts;
 }
 
+void qemu_opts_reset(QemuOptsList *list)
+{
+    QemuOpts *opts, *next_opts;
+
+    QTAILQ_FOREACH_SAFE(opts, &list->head, next, next_opts) {
+        qemu_opts_del(opts);
+    }
+}
+
 int qemu_opts_set(QemuOptsList *list, const char *id,
                   const char *name, const char *value)
 {
diff --git a/qemu-option.h b/qemu-option.h
index 4823219..9e2406c 100644
--- a/qemu-option.h
+++ b/qemu-option.h
@@ -115,6 +115,7 @@ int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
 
 QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id);
 QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id, int fail_if_exists);
+void qemu_opts_reset(QemuOptsList *list);
 int qemu_opts_set(QemuOptsList *list, const char *id,
                   const char *name, const char *value);
 const char *qemu_opts_id(QemuOpts *opts);
-- 
1.6.6.1