diff options
Diffstat (limited to 'librols/stdio/cvmod.c')
-rw-r--r-- | librols/stdio/cvmod.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/librols/stdio/cvmod.c b/librols/stdio/cvmod.c new file mode 100644 index 0000000..a825c42 --- /dev/null +++ b/librols/stdio/cvmod.c @@ -0,0 +1,74 @@ +/* + * 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. + * + */ + +/* @(#)cvmod.c 2.9 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" + +#ifndef O_BINARY +#define O_BINARY 0 +#endif +#ifndef O_LARGEFILE +#define O_LARGEFILE 0 +#endif + +EXPORT int +_cvmod(mode, omode, flag) + const char *mode; + int *omode; + int *flag; +{ + while (*mode) { + switch (*mode) { + + case 'r': *omode |= O_RDONLY; *flag |= FI_READ; break; + case 'w': *omode |= O_WRONLY; *flag |= FI_WRITE; break; + case 'e': *omode |= O_EXCL; break; + case 'c': *omode |= O_CREAT; *flag |= FI_CREATE; break; + case 't': *omode |= O_TRUNC; *flag |= FI_TRUNC; break; + case 'a': *omode |= O_APPEND; *flag |= FI_APPEND; break; + case 'u': *flag |= FI_UNBUF; break; + /* dummy on UNIX */ + case 'b': *omode |= O_BINARY; *flag |= FI_BINARY; break; + /* + * XXX do we need this ? + * XXX May this be a problem? + */ + case 'l': *omode |= O_LARGEFILE; break; + default: raisecond(_badmode, 0L); + return (0); + } + mode++; + } + if (*flag & FI_READ && *flag & FI_WRITE) { + *omode &= ~(O_RDONLY|O_WRONLY); + *omode |= O_RDWR; + } + return (1); +} |