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/*
libfakechroot -- fake chroot environment
Copyright (c) 2010, 2013, 2016 Piotr Roszatycki <dexter@debian.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <config.h>
#include <string.h>
#include "libfakechroot.h"
#include "getcwd_real.h"
wrapper(chdir, int, (const char * path))
{
char cwd[FAKECHROOT_PATH_MAX];
const char *fakechroot_base = getenv("FAKECHROOT_BASE");
debug("chdir(\"%s\")", path);
if (getcwd_real(cwd, FAKECHROOT_PATH_MAX) == NULL) {
return -1;
}
if (fakechroot_base != NULL) {
if (strstr(cwd, fakechroot_base) == cwd) {
expand_chroot_path(path);
}
else {
expand_chroot_rel_path(path);
}
}
return nextcall(chdir)(path);
}
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