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fname_as_uuid: print uuids msb first 

The sha1 routines store the uuids in little endian byte-order, so always
print from msb to lsb. This allows imsm containers to be assembled with
-As.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2008-10-01 18:50:43 -07:00
parent 695154b2e7
commit 9968e376a1
1 changed files with 9 additions and 5 deletions
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14
util.c
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@ -271,17 +271,21 @@ void copy_uuid(void *a, int b[4], int swapuuid)
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)
for (i = 0; i < 4; i++) {
id = uuid[i];
if (i)
*c++ = sep;
sprintf(c,"%02x", (unsigned char)uuid[i]);
c+= 2;
for (j = 3; j >= 0; j--) {
sprintf(c,"%02x", (unsigned char) uuid[j+4*i]);
c+= 2;
}
}
return buf;
}