Sometimes, we need to pass option like -netdev tap,fd=100,fd=101,fd=102 which
can not be properly parsed by qemu_find_opt() because it only returns the first
matched option. So qemu_get_opt_all() were introduced to return an array of
pointers which contains all matched option.
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
qemu-option.c | 19 +++++++++++++++++++
qemu-option.h | 2 ++
2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/qemu-option.c b/qemu-option.c
index bb3886c..9263125 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -545,6 +545,25 @@ static QemuOpt *qemu_opt_find(QemuOpts *opts, const char *name)
return NULL;
}
+int qemu_opt_get_all(QemuOpts *opts, const char *name, const char **optp,
+ int max)
+{
+ QemuOpt *opt;
+ int index = 0;
+
+ QTAILQ_FOREACH_REVERSE(opt, &opts->head, QemuOptHead, next) {
+ if (strcmp(opt->name, name) == 0) {
+ if (index < max) {
+ optp[index++] = opt->str;
+ }
+ if (index == max) {
+ break;
+ }
+ }
+ }
+ return index;
+}
+
const char *qemu_opt_get(QemuOpts *opts, const char *name)
{
QemuOpt *opt = qemu_opt_find(opts, name);
diff --git a/qemu-option.h b/qemu-option.h
index 951dec3..3c9a273 100644
--- a/qemu-option.h
+++ b/qemu-option.h
@@ -106,6 +106,8 @@ struct QemuOptsList {
QemuOptDesc desc[];
};
+int qemu_opt_get_all(QemuOpts *opts, const char *name, const char **optp,
+ int max);
const char *qemu_opt_get(QemuOpts *opts, const char *name);
bool qemu_opt_get_bool(QemuOpts *opts, const char *name, bool defval);
uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval);
--
1.7.1
--
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