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- comment @ * @;
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- 1.2
- date 92.05.18.12.19.34; author mwild; state Exp;
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- 1.1
- date 92.05.14.19.55.40; author mwild; state Exp;
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-
-
- desc
- @change protection bits of file, achmod() is a SetProtection() replacement
- @
-
-
- 1.2
- log
- @now completely ignore FIBF_DELETE, correctly set errno in case of failure
- @
- text
- @/*
- * This file is part of ixemul.library for the Amiga.
- * Copyright (C) 1991, 1992 Markus M. Wild
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id: chmod.c,v 1.1 1992/05/14 19:55:40 mwild Exp $
- *
- * $Log: chmod.c,v $
- * Revision 1.1 1992/05/14 19:55:40 mwild
- * Initial revision
- *
- */
-
- #define KERNEL
- #include "ixemul.h"
-
- #if __GNUC__ != 2
- #define alloca __builtin_alloca
- #endif
-
- static int
- __chmod_func (struct StandardPacket *sp, struct MsgPort *handler,
- BPTR parent_lock,
- BSTR name,
- int mask, int *no_error)
- {
- sp->sp_Pkt.dp_Type = ACTION_SET_PROTECT;
- sp->sp_Pkt.dp_Arg1 = 0;
- sp->sp_Pkt.dp_Arg2 = parent_lock;
- sp->sp_Pkt.dp_Arg3 = name;
- sp->sp_Pkt.dp_Arg4 = mask;
-
- PutPacket (handler, sp);
- __wait_sync_packet (sp);
-
- *no_error = sp->sp_Pkt.dp_Res1 == -1;
- return 1;
- }
-
-
- int
- chmod(char *name, int mode)
- {
- long amiga_mode = FIBF_READ|FIBF_WRITE|FIBF_EXECUTE;
- /* RWED-permissions are "lo-active", if cleared they allow the operation */
- int result;
-
- if (mode & S_IXUSR) amiga_mode &= ~FIBF_EXECUTE;
- if (mode & S_IWUSR) amiga_mode &= ~FIBF_WRITE;
- if (mode & S_IRUSR) amiga_mode &= ~FIBF_READ;
-
- result = __plock (name, __chmod_func, amiga_mode);
- if (result == 0)
- errno = __ioerr_to_errno (IoErr ());
-
- return result == -1 ? 0 : -1;
- }
-
-
- /* a signal proof SetProtection(), nothing more ;-) */
- int
- achmod (char *name, int mode)
- {
- int result;
-
- result = __plock (name, __chmod_func, mode) == -1 ? 0 : -1;
- if (result == 0)
- errno = __ioerr_to_errno (IoErr ());
-
- return result;
- }
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d19 1
- a19 1
- * $Id$
- d21 4
- a24 1
- * $Log$
- d57 1
- a57 1
- long amiga_mode = FIBF_READ|FIBF_WRITE|FIBF_EXECUTE|FIBF_DELETE;
- d62 1
- a62 1
- if (mode & S_IWUSR) amiga_mode &= ~(FIBF_WRITE|FIBF_DELETE);
- a63 8
- #if 0
- /* sigh.. this causes unfixable problems, if a unix program reads
- stat(), and then keeps the bits it gets, you can't remove a
- delete protection once set when omitting write permission.. */
-
- /* let a set sticky-bit mean that delete-permission is not granted */
- if (mode & S_ISVTX) amiga_mode |= FIBF_DELETE;
- #endif
- d66 2
- d77 7
- a83 1
- return __plock (name, __chmod_func, mode) == -1 ? 0 : -1;
- @
-