QemuOpts: add some functions

qemu_opt_foreach: loop over all QemuOpts entries.
qemu_opts_id: return QemuOpts id.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-Id: 

1 files changed, 19 insertions, 0 deletions

diff --git a/qemu-option.c b/qemu-option.c
index 591d178999..7164ee8da2 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -607,6 +607,20 @@ int qemu_opt_set(QemuOpts *opts, const char *name, const char *value)
     return 0;
 }
 
+int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
+                     int abort_on_failure)
+{
+    QemuOpt *opt;
+    int rc = 0;
+
+    TAILQ_FOREACH(opt, &opts->head, next) {
+        rc = func(opt->name, opt->str, opaque);
+        if (abort_on_failure  &&  rc != 0)
+            break;
+    }
+    return rc;
+}
+
 QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id)
 {
     QemuOpts *opts;
@@ -663,6 +677,11 @@ int qemu_opts_set(QemuOptsList *list, const char *id,
     return qemu_opt_set(opts, name, value);
 }
 
+const char *qemu_opts_id(QemuOpts *opts)
+{
+    return opts->id;
+}
+
 void qemu_opts_del(QemuOpts *opts)
 {
     QemuOpt *opt;