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Avoided sorting Posix ACEs when there is only one

N2009_11_14_FIXES
jpandre 2008-12-24 15:35:21 +00:00
parent f443601201
commit 4898e594b8
1 changed files with 17 additions and 15 deletions
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32
libntfs-3g/acls.c
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@ -941,22 +941,24 @@ void ntfs_sort_posix(struct POSIX_SECURITY *pxdesc)
*/
do {
done = TRUE;
offs = pxdesc->firstdef;
previous = pacl->ace[offs].tag;
previousid = pacl->ace[offs].id;
for (i=offs+1; i<offs+pxdesc->defcnt; i++) {
tag = pacl->ace[i].tag;
id = pacl->ace[i].id;
if ((pxdesc->defcnt) > 1) {
offs = pxdesc->firstdef;
previous = pacl->ace[offs].tag;
previousid = pacl->ace[offs].id;
for (i=offs+1; i<offs+pxdesc->defcnt; i++) {
tag = pacl->ace[i].tag;
id = pacl->ace[i].id;
if ((tag < previous)
|| ((tag == previous) && (id < previousid))) {
done = FALSE;
memcpy(&ace,&pacl->ace[i-1],sizeof(struct POSIX_ACE));
memcpy(&pacl->ace[i-1],&pacl->ace[i],sizeof(struct POSIX_ACE));
memcpy(&pacl->ace[i],&ace,sizeof(struct POSIX_ACE));
} else {
previous = tag;
previousid = id;
if ((tag < previous)
|| ((tag == previous) && (id < previousid))) {
done = FALSE;
memcpy(&ace,&pacl->ace[i-1],sizeof(struct POSIX_ACE));
memcpy(&pacl->ace[i-1],&pacl->ace[i],sizeof(struct POSIX_ACE));
memcpy(&pacl->ace[i],&ace,sizeof(struct POSIX_ACE));
} else {
previous = tag;
previousid = id;
}
}
}
} while (!done);