fname_as_uuid: print uuids msb first

[thirdparty/mdadm.git] / util.c

diff --git a/util.c b/util.c
index b65d2ad890d5e851bad2dd1f3392550ce002ce55..4c0494236dfd6a97bf0d838d083346cf95c467ae 100644 (file)
--- a/util.c
+++ b/util.c
@@ -269,21 +269,23 @@ void copy_uuid(void *a, int b[4], int swapuuid)
                memcpy(a, b, 16);
 }
 
-char *fname_from_uuid(struct supertype *st, struct mdinfo *info, char *buf)
+char *fname_from_uuid(struct supertype *st, struct mdinfo *info, char *buf, char sep)
 {
-       int i;
+       int i, j;
+       int id;
        char uuid[16];
        char *c = buf;
        strcpy(c, "UUID-");
        c += strlen(c);
        copy_uuid(uuid, info->uuid, st->ss->swapuuid);
-       for (i=0; i<16; i++) {
-               if (i && (i&3)==0) {
-                       strcpy(c, "-");
-                       c++;
+       for (i = 0; i < 4; i++) {
+               id = uuid[i];
+               if (i)
+                       *c++ = sep;
+               for (j = 3; j >= 0; j--) {
+                       sprintf(c,"%02x", (unsigned char) uuid[j+4*i]);
+                       c+= 2;
                }
-               sprintf(c,"%02x", (unsigned char)uuid[i]);
-               c+= 2;
        }
        return buf;
 }