1 files changed, 17 insertions, 0 deletions
diff --git a/migration/qemu-file.c b/migration/qemu-file.c
index 2750365a7e..0ef543a6df 100644
--- a/migration/qemu-file.c
+++ b/migration/qemu-file.c
@@ -585,3 +585,20 @@ int qemu_put_qemu_file(QEMUFile *f_des, QEMUFile *f_src)
     }
     return len;
 }
+
+/*
+ * Get a string whose length is determined by a single preceding byte
+ * A preallocated 256 byte buffer must be passed in.
+ * Returns: len on success and a 0 terminated string in the buffer
+ *          else 0
+ *          (Note a 0 length string will return 0 either way)
+ */
+size_t qemu_get_counted_string(QEMUFile *f, char buf[256])
+{
+    size_t len = qemu_get_byte(f);
+    size_t res = qemu_get_buffer(f, (uint8_t *)buf, len);
+
+    buf[res] = 0;
+
+    return res == len ? res : 0;
+}