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Amiga Format CD 7
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Amiga Format AFCD07 (Dec 1996, Issue 91).iso
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ixemul-complete
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ixemul
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library
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umask.c
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1996-08-17
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/*
* 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.
*
* umask.c,v 1.1.1.1 1994/04/04 04:30:37 amiga Exp
*
* umask.c,v
* Revision 1.1.1.1 1994/04/04 04:30:37 amiga
* Initial CVS check in.
*
* Revision 1.1 1992/05/14 19:55:40 mwild
* Initial revision
*
*/
#define _KERNEL
#include "ixemul.h"
#include "kprintf.h"
#include "multiuser.h"
mode_t
umask (mode_t mode)
{
int res;
if (u.u_ixnetbase)
return netcall(NET_umask, mode);
if (mode & ~0777)
{
errno = EINVAL;
KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
return -1;
}
res = u.u_cmask;
u.u_cmask = mode;
if (muBase) {
long mumode = 0;
if (mode & S_IXUSR) mumode |= FIBF_EXECUTE | FIBF_SCRIPT;
if (mode & S_IWUSR) mumode |= FIBF_READ | FIBF_DELETE;
if (mode & S_IRUSR) mumode |= FIBF_READ;
#ifdef FIBF_GRP_EXECUTE
/* FIBF_GRP_EXECUTE requires at least OS3 headers */
if (mode & S_IXGRP) mumode |= FIBF_GRP_EXECUTE;
if (mode & S_IWGRP) mumode |= FIBF_GRP_WRITE | FIBF_GRP_DELETE;
if (mode & S_IRGRP) mumode |= FIBF_GRP_READ;
if (mode & S_IXOTH) mumode |= FIBF_OTR_EXECUTE;
if (mode & S_IWOTH) mumode |= FIBF_OTR_WRITE | FIBF_OTR_DELETE;
if (mode & S_IROTH) mumode |= FIBF_OTR_READ;
if (mode & S_ISTXT) mumode |= FIBF_HOLD;
if (mode & S_ISUID) mumode |= muFIBF_SET_UID;
if (mode & S_ISGID) mumode |= muFIBF_SET_GID;
#endif
muSetDefProtection(muT_Task, (ULONG)FindTask(NULL),
muT_DefProtection, mumode,
TAG_DONE);
}
return res;
}