blob: 8009af5ae529c21e0fec1a868ce0c0a16aca3c46 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/*
* Copyright (c) 2010 Wind River Systems; see
* guts/COPYRIGHT for information.
*
* static ssize_t
* wrap_readlinkat(int dirfd, const char *path, char *buf, size_t bufsiz) {
* ssize_t rc = -1;
*/
rc = real_readlinkat(dirfd, path, buf, bufsiz);
if (rc > 0) {
/* strip out a leading chrooted part */
if (pseudo_chroot_len &&
!memcmp(buf, pseudo_chroot, pseudo_chroot_len)) {
if (buf[pseudo_chroot_len] == '/') {
memmove(buf, buf + pseudo_chroot_len, rc - pseudo_chroot_len);
rc -= pseudo_chroot_len;
} else if (buf[pseudo_chroot_len] == '\0') {
buf[0] = '/';
rc = 1;
}
/* otherwise, it's not really a match... */
}
}
/* return rc;
* }
*/
|
