fdisk-util: add fdisk_partition_get_uuid_as_id128() helper

Inspired by: #25534

src/shared/fdisk-util.c

@@ -26,4 +26,17 @@ int fdisk_new_context_fd(int fd, bool read_only, struct fdisk_context **ret) {
         return 0;
 }
 
+int fdisk_partition_get_uuid_as_id128(struct fdisk_partition *p, sd_id128_t *ret) {
+        const char *ids;
+
+        assert(p);
+        assert(ret);
+
+        ids = fdisk_partition_get_uuid(p);
+        if (!ids)
+                return -ENXIO;
+
+        return sd_id128_from_string(ids, ret);
+}
+
 #endif

src/shared/fdisk-util.h

@@ -5,6 +5,8 @@
 
 #include <libfdisk.h>
 
+#include "sd-id128.h"
+
 #include "macro.h"
 
 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(struct fdisk_context*, fdisk_unref_context, NULL);
@@ -14,4 +16,6 @@ DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(struct fdisk_table*, fdisk_unref_table, NULL);
 
 int fdisk_new_context_fd(int fd, bool read_only, struct fdisk_context **ret);
 
+int fdisk_partition_get_uuid_as_id128(struct fdisk_partition *p, sd_id128_t *ret);
+
 #endif