Mercurial > hg > toybox
changeset 799:6b8cc11d517c
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.
author | Rob Landley <rob@landley.net> |
---|---|
date | Sun, 03 Feb 2013 17:04:36 -0600 |
parents | 16bcabb8cf97 |
children | 4ffb735aea59 |
files | toys/other/losetup.c |
diffstat | 1 files changed, 3 insertions(+), 2 deletions(-) [+] |
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--- a/toys/other/losetup.c Thu Jan 31 04:13:07 2013 -0600 +++ b/toys/other/losetup.c Sun Feb 03 17:04:36 2013 -0600 @@ -75,7 +75,7 @@ // 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 @@ // 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; }