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- /*
- Copyright (C) 1993 Free Software Foundation
-
- This file is part of the GNU IO Library. This library is free
- software; you can redistribute it and/or modify it under the
- terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- As a special exception, if you link this library with files
- compiled with a GNU compiler to produce an executable, this does not cause
- the resulting executable to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
-
- #include "libioP.h"
-
- _IO_FILE *
- _IO_fdopen (fd, mode)
- int fd;
- const char *mode;
- {
- int read_write;
- struct _IO_FILE_plus *fp;
-
- switch (*mode++)
- {
- case 'r':
- read_write = _IO_NO_WRITES;
- break;
- case 'w':
- read_write = _IO_NO_READS;
- break;
- case 'a':
- read_write = _IO_NO_READS|_IO_IS_APPENDING;
- break;
- default:
- #ifdef EINVAL
- errno = EINVAL;
- #endif
- return NULL;
- }
- if (mode[0] == '+' || (mode[0] == 'b' && mode[1] == '+'))
- read_write &= _IO_IS_APPENDING;
-
- fp = (struct _IO_FILE_plus*)malloc(sizeof(struct _IO_FILE_plus));
- if (fp == NULL)
- return NULL;
- _IO_init(&fp->_file, 0);
- fp->_file._jumps = &_IO_file_jumps;
- _IO_file_init(&fp->_file);
- fp->_vtable = NULL;
- if (_IO_file_attach(&fp->_file, fd) == NULL)
- {
- _IO_un_link(&fp->_file);
- free (fp);
- return NULL;
- }
- fp->_file._flags &= ~_IO_DELETE_DONT_CLOSE;
-
- fp->_file._IO_file_flags =
- _IO_mask_flags(&fp->_file, read_write,
- _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
-
- return (_IO_FILE*)fp;
- }
-