diff options
Diffstat (limited to 'librols/stdio/fileluopen.c')
-rw-r--r-- | librols/stdio/fileluopen.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/librols/stdio/fileluopen.c b/librols/stdio/fileluopen.c new file mode 100644 index 0000000..f178d8a --- /dev/null +++ b/librols/stdio/fileluopen.c @@ -0,0 +1,84 @@ +/* + * This file has been modified for the cdrkit suite. + * + * The behaviour and appearence of the program code below can differ to a major + * extent from the version distributed by the original author(s). + * + * For details, see Changelog file distributed with the cdrkit package. If you + * received this file from another source then ask the distributing person for + * a log of modifications. + * + */ + +/* @(#)fileluopen.c 1.17 04/08/08 Copyright 1986, 1995-2003 J. Schilling */ +/* + * Copyright (c) 1986, 1995-2003 J. Schilling + */ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; see the file COPYING. If not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "schilyio.h" + +/* + * Note that because of a definition in schilyio.h we are using fseeko()/ftello() + * instead of fseek()/ftell() if available. + */ + +#ifndef O_NDELAY /* This is undefined on BeOS :-( */ +#define O_NDELAY 0 +#endif +#ifndef O_CREAT +#define O_CREAT 0 +#endif +#ifndef O_TRUNC +#define O_TRUNC 0 +#endif +#ifndef O_EXCL +#define O_EXCL 0 +#endif + +/* + * fileluopen - open a stream for lun + */ +EXPORT FILE * +fileluopen(f, mode) + int f; + const char *mode; +{ + int omode = 0; + int flag = 0; + + if (!_cvmod(mode, &omode, &flag)) + return ((FILE *) NULL); + + if (omode & (O_NDELAY|O_CREAT|O_TRUNC|O_EXCL)) { + raisecond(_badmode, 0L); + return ((FILE *) NULL); + } + +#ifdef F_GETFD + if (fcntl(f, F_GETFD, 0) < 0) { + raisecond(_badfile, 0L); + return ((FILE *) NULL); + } +#endif + +#ifdef O_APPEND + if (omode & O_APPEND) + lseek(f, (off_t)0, SEEK_END); +#endif + + return (_fcons((FILE *)0, f, flag)); +} |