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author | Karel Zak | 2009-06-09 16:35:07 +0200 |
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committer | Karel Zak | 2009-06-22 21:30:47 +0200 |
commit | 8f24e52ed75ea16962a40a9628ae9ef85a2d034c (patch) | |
tree | f47203cb28e2269b76bd54814c5e4f394eca891e /sys-utils/switch_root.c | |
parent | switch_root: clean up argv[] usage, add -h and -V (diff) | |
download | kernel-qcow2-util-linux-8f24e52ed75ea16962a40a9628ae9ef85a2d034c.tar.gz kernel-qcow2-util-linux-8f24e52ed75ea16962a40a9628ae9ef85a2d034c.tar.xz kernel-qcow2-util-linux-8f24e52ed75ea16962a40a9628ae9ef85a2d034c.zip |
switch_root: use snprintf() rather tan str{cpy,cat}()
Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/switch_root.c')
-rw-r--r-- | sys-utils/switch_root.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys-utils/switch_root.c b/sys-utils/switch_root.c index 14d2916bf..8daacb1d0 100644 --- a/sys-utils/switch_root.c +++ b/sys-utils/switch_root.c @@ -1,7 +1,7 @@ /* * switchroot.c - switch to new root directory and start init. * - * Copyright 2002-2008 Red Hat, Inc. All rights reserved. + * Copyright 2002-2009 Red Hat, Inc. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -113,8 +113,9 @@ static int switchroot(const char *newroot) for (i = 0; umounts[i] != NULL; i++) { char newmount[PATH_MAX]; - strcpy(newmount, newroot); - strcat(newmount, umounts[i]); + + snprintf(newmount, sizeof(newmount), "%s%s", newroot, umounts[i]); + if (mount(umounts[i], newmount, NULL, MS_MOVE, NULL) < 0) { warn("failed to mount moving %s to %s", umounts[i], newmount); |