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-rw-r--r--savevm.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/savevm.c b/savevm.c
index d2865929f0..4d9f822f27 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1837,8 +1837,10 @@ void do_savevm(Monitor *mon, const QDict *qdict)
uint32_t vm_state_size;
#ifdef _WIN32
struct _timeb tb;
+ struct tm *ptm;
#else
struct timeval tv;
+ struct tm tm;
#endif
const char *name = qdict_get_try_str(qdict, "name");
@@ -1869,15 +1871,6 @@ void do_savevm(Monitor *mon, const QDict *qdict)
vm_stop(0);
memset(sn, 0, sizeof(*sn));
- if (name) {
- ret = bdrv_snapshot_find(bs, old_sn, name);
- if (ret >= 0) {
- pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
- pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
- } else {
- pstrcpy(sn->name, sizeof(sn->name), name);
- }
- }
/* fill auxiliary fields */
#ifdef _WIN32
@@ -1891,6 +1884,24 @@ void do_savevm(Monitor *mon, const QDict *qdict)
#endif
sn->vm_clock_nsec = qemu_get_clock(vm_clock);
+ if (name) {
+ ret = bdrv_snapshot_find(bs, old_sn, name);
+ if (ret >= 0) {
+ pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
+ pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
+ } else {
+ pstrcpy(sn->name, sizeof(sn->name), name);
+ }
+ } else {
+#ifdef _WIN32
+ ptm = localtime(&tb.time);
+ strftime(sn->name, sizeof(sn->name), "vm-%Y%m%d%H%M%S", ptm);
+#else
+ localtime_r(&tv.tv_sec, &tm);
+ strftime(sn->name, sizeof(sn->name), "vm-%Y%m%d%H%M%S", &tm);
+#endif
+ }
+
/* Delete old snapshots of the same name */
if (name && del_existing_snapshots(mon, name) < 0) {
goto the_end;