1 files changed, 125 insertions, 0 deletions
diff --git a/ports/sysdeps/standalone/open.c b/ports/sysdeps/standalone/open.c
new file mode 100644
index 000000000..e0a343241
--- /dev/null
+++ b/ports/sysdeps/standalone/open.c
@@ -0,0 +1,125 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 2002 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+
+#include <stdio.h>
+#include <bits/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
+__open (file, oflag)
+     const char *file;
+     int oflag;
+{
+  int mode;
+  int newfd;
+  int index;
+
+  if (file == NULL)
+    {
+      __set_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 ) {
+    __set_errno (ENFILE);
+    return -1;
+  }
+
+  /*
+   *  Initialize the open slot
+   */
+
+  __FD_Table[ newfd ].in_use = 1;
+  __FD_Table[ newfd ].flags = oflag;
+
+  return newfd;
+}
+libc_hidden_def (__open)
+
+/* Initialization Code for Console I/O */
+
+#ifdef HAVE_GNU_LD
+static
+#endif
+void
+__NONE_init_console_io (argc, argv, envp)
+     int argc;
+     char **argv;
+     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
+text_set_element (__libc_subinit, __NONE_init_console_io);
+#endif
+
+weak_alias (__open, open)