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/*
libfakechroot -- fake chroot environment
Copyright (c) 2013 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 <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include "libfakechroot.h"
#include "strlcpy.h"
#include "dedotdot.h"
#include "getcwd_real.h"
LOCAL char * rel2abs(const char * name, char * resolved)
{
char cwd[FAKECHROOT_PATH_MAX];
debug("rel2abs(\"%s\", &resolved)", name);
if (name == NULL) {
resolved = NULL;
goto end;
}
if (*name == '\0') {
*resolved = '\0';
goto end;
}
getcwd_real(cwd, FAKECHROOT_PATH_MAX);
narrow_chroot_path(cwd);
if (*name == '/') {
strlcpy(resolved, name, FAKECHROOT_PATH_MAX);
}
else {
snprintf(resolved, FAKECHROOT_PATH_MAX, "%s/%s", cwd, name);
}
dedotdot(resolved);
end:
debug("rel2abs(\"%s\", \"%s\")", name, resolved);
return resolved;
}
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