diff options
| author | Rob Landley <rob@landley.net> | 2013-02-03 17:04:36 -0600 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2013-02-03 17:04:36 -0600 |
| commit | af0011995826b635658e29b107d33cf9ee7cdd42 (patch) | |
| tree | 75ff2e6df4946813bfd98bad30cafc65d1c6738d | |
| parent | 22791083dab2de2b22154dd4e0e593ff6c48e08b (diff) | |
| download | toybox-af0011995826b635658e29b107d33cf9ee7cdd42.tar.gz toybox-af0011995826b635658e29b107d33cf9ee7cdd42.tar.bz2 toybox-af0011995826b635658e29b107d33cf9ee7cdd42.zip | |
Some older build environments don't have LOOP_CTL_GET_FREE or LOOP_SET_CAPACITY. Substitute constants so they can get the rest of losetup without a build break.
| -rw-r--r-- | toys/other/losetup.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/toys/other/losetup.c b/toys/other/losetup.c index d279c2a..c21e840 100644 --- a/toys/other/losetup.c +++ b/toys/other/losetup.c @@ -75,7 +75,7 @@ static void loopback_setup(char *device, char *file) // mount -o loop depends on found device being at the start of toybuf. if (cfd != -1) { - if (0 <= (i = ioctl(cfd, LOOP_CTL_GET_FREE))) + if (0 <= (i = ioctl(cfd, 0x4C82))) // LOOP_CTL_GET_FREE sprintf(device = toybuf, "/dev/loop%d", i); close(cfd); } @@ -99,7 +99,8 @@ static void loopback_setup(char *device, char *file) // Check size of file or delete existing association if (flags & (FLAG_c|FLAG_d)) { - if (ioctl(lfd, (flags & FLAG_c) ? LOOP_SET_CAPACITY : LOOP_CLR_FD, 0)) { + // The constant is LOOP_SET_CAPACITY + if (ioctl(lfd, (flags & FLAG_c) ? 0x4C07 : LOOP_CLR_FD, 0)) { perror_msg("%s", device); goto done; } |