/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1989-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Eduardo Krell <ekrell@adexus.cl> *
* *
***********************************************************************/
#pragma prototyped
#include "3d.h"
int
unlink3d(register const char* path)
{
register char* sp;
register int r;
#if FS
Mount_t* mp;
if (!fscall(NiL, MSG_remove, 0, path))
return state.ret;
mp = monitored();
#endif
if (!(sp = pathreal(path, P_PATHONLY|P_SAFE, NiL)))
return -1;
if (state.path.level)
return 0;
if (!(r = LSTAT(sp, &state.path.st)))
{
if (S_ISLNK(state.path.st.st_mode) && !checklink(sp, &state.path.st, P_PATHONLY|P_LSTAT) && state.path.linksize > 0)
{
/*
* remove instance if not default
*/
r = strlen(sp) - (sizeof(state.vdefault) - 1);
if (r > 3 && streq(sp + r, state.vdefault))
return 0;
}
r = UNLINK(sp);
}
if (!r)
{
#if FS
if (mp)
fscall(mp, MSG_remove, 0, path);
for (mp = state.global; mp; mp = mp->global)
if (fssys(mp, MSG_remove))
fscall(mp, MSG_remove, 0, path);
#endif
}
else if (errno == ENOENT && pathreal(path, 0, NiL))
r = 0;
return r;
}
#undef remove
int
remove(const char* path)
{
return unlink(path);
}