Centralise code for copying uuid
[thirdparty/mdadm.git] / bitmap.c
index c905b4d..dcea263 100644 (file)
--- a/bitmap.c
+++ b/bitmap.c
@@ -420,18 +420,7 @@ int bitmap_update_uuid(int fd, int *uuid, int swap)
                return 1;
        if (bm.magic != __cpu_to_le32(BITMAP_MAGIC))
                return 1;
-       if (swap) {
-               unsigned char *ac = (unsigned char *)bm.uuid;
-               unsigned char *bc = (unsigned char *)uuid;
-               int i;
-               for (i=0; i<16; i+= 4) {
-                       ac[i+0] = bc[i+3];
-                       ac[i+1] = bc[i+2];
-                       ac[i+2] = bc[i+1];
-                       ac[i+3] = bc[i+0];
-               }
-       } else
-               memcpy(bm.uuid, uuid, 16);
+       copy_uuid(bm.uuid, uuid, swap);
        if (lseek(fd, 0, 0) != 0)
                return 2;
        if (write(fd, &bm, sizeof(bm)) != sizeof(bm)) {