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[Qemu-devel] [PATCH v4 1/2] qemu-option: introduce qemu_find_opts_single
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH v4 1/2] qemu-option: introduce qemu_find_opts_singleton |
Date: |
Thu, 6 Mar 2014 10:39:24 +0100 |
From: Paolo Bonzini <address@hidden>
Reviewed-by: Laszlo Ersek <address@hidden>
Reviewed-by: Andreas Färber <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Igor Mammedov <address@hidden>
---
include/qemu/config-file.h | 2 ++
util/qemu-config.c | 14 ++++++++++++++
vl.c | 11 +----------
3 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/include/qemu/config-file.h b/include/qemu/config-file.h
index dbd97c4..d4ba20e 100644
--- a/include/qemu/config-file.h
+++ b/include/qemu/config-file.h
@@ -8,6 +8,8 @@
QemuOptsList *qemu_find_opts(const char *group);
QemuOptsList *qemu_find_opts_err(const char *group, Error **errp);
+QemuOpts *qemu_find_opts_singleton(const char *group);
+
void qemu_add_opts(QemuOptsList *list);
void qemu_add_drive_opts(QemuOptsList *list);
int qemu_set_option(const char *str);
diff --git a/util/qemu-config.c b/util/qemu-config.c
index f610101..60051df 100644
--- a/util/qemu-config.c
+++ b/util/qemu-config.c
@@ -39,6 +39,20 @@ QemuOptsList *qemu_find_opts(const char *group)
return ret;
}
+QemuOpts *qemu_find_opts_singleton(const char *group)
+{
+ QemuOptsList *list;
+ QemuOpts *opts;
+
+ list = qemu_find_opts(group);
+ assert(list);
+ opts = qemu_opts_find(list, NULL);
+ if (!opts) {
+ opts = qemu_opts_create(list, NULL, 0, &error_abort);
+ }
+ return opts;
+}
+
static CommandLineParameterInfoList *query_option_descs(const QemuOptDesc
*desc)
{
CommandLineParameterInfoList *param_list = NULL, *entry;
diff --git a/vl.c b/vl.c
index 685a7a9..7eb3b73 100644
--- a/vl.c
+++ b/vl.c
@@ -482,16 +482,7 @@ static QemuOptsList qemu_msg_opts = {
*/
QemuOpts *qemu_get_machine_opts(void)
{
- QemuOptsList *list;
- QemuOpts *opts;
-
- list = qemu_find_opts("machine");
- assert(list);
- opts = qemu_opts_find(list, NULL);
- if (!opts) {
- opts = qemu_opts_create(list, NULL, 0, &error_abort);
- }
- return opts;
+ return qemu_find_opts_singleton("machine");
}
const char *qemu_get_vm_name(void)
--
1.7.1