blockdev: add a function to parse enum ids from strings
this adds a generic function to recover the enum id of a parameter
given as a string.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/blockdev.c b/blockdev.c
index 7810e9f..78b927f 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -288,6 +288,25 @@
}
}
+static inline int parse_enum_option(const char *lookup[], const char *buf,
+ int max, int def, Error **errp)
+{
+ int i;
+
+ if (!buf) {
+ return def;
+ }
+
+ for (i = 0; i < max; i++) {
+ if (!strcmp(buf, lookup[i])) {
+ return i;
+ }
+ }
+
+ error_setg(errp, "invalid parameter value: %s", buf);
+ return def;
+}
+
static bool check_throttle_config(ThrottleConfig *cfg, Error **errp)
{
if (throttle_conflicting(cfg)) {
