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- /* Copyright (C) 1994 Free Software Foundation, Inc.
- Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
- On-Line Applications Research Corporation.
-
- This file is part of the GNU C Library.
-
- The GNU C 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.
-
- The GNU C 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 the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <fcntl.h>
- #include <stdarg.h>
- #include <stddef.h>
-
- #include <stdio.h>
- #include <stdio_lim.h>
- #include <unistd.h>
-
- #define __DECLARE_FILE_DESCRIPTORS__
-
- #include "filedesc.h"
-
- /* Open FILE with access OFLAG. If OFLAG includes O_CREAT,
- a third argument is the file protection. */
- int
- DEFUN(__open, (file, oflag), CONST char *file AND int oflag DOTS)
- {
- int mode;
- int newfd;
- int index;
-
- if (file == NULL)
- {
- errno = EINVAL;
- return -1;
- }
-
- if (oflag & O_CREAT)
- {
- va_list arg;
- va_start(arg, oflag);
- mode = va_arg(arg, int);
- va_end(arg);
- }
-
- /*
- * Find an open slot.
- */
-
- newfd = -1;
-
- for ( index=0 ; index< FOPEN_MAX ; index++ )
- if ( !__FD_Table[ index ].in_use ) {
- newfd = index;
- break;
- }
-
- if ( newfd == -1 ) {
- errno = ENFILE;
- return -1;
- }
-
- /*
- * Initialize the open slot
- */
-
- __FD_Table[ newfd ].in_use = 1;
- __FD_Table[ newfd ].flags = oflag;
-
- return newfd;
- }
-
- /* Initialization Code for Console I/O */
-
- #ifdef HAVE_GNU_LD
- static
- #endif
- void
- DEFUN(__NONE_init_console_io, (argc, argv, envp),
- int argc AND char **argv AND char **envp)
- {
- int index;
-
- for ( index=0 ; index< FOPEN_MAX ; index++ )
- __FD_Table[ index ].in_use = 0;
-
- stdin = fopen( "", "r" );
-
- stdout = fopen( "", "w" );
-
- stderr = fopen( "", "w" );
-
- /*
- * Line buffer the standard input and output and use no buffering for
- * standard error.
- */
-
- setvbuf( stdin, NULL, _IOLBF, BUFSIZ );
- setvbuf( stdout, NULL, _IOLBF, BUFSIZ );
- setvbuf( stderr, NULL, _IONBF, BUFSIZ );
-
- (void) &__NONE_init_console_io; /* Avoid "defined but not used" warning. */
- }
-
- #ifdef HAVE_GNU_LD
-
- #include <gnu-stabs.h>
-
- text_set_element (__libc_subinit, __NONE_init_console_io);
-
- #endif
-