Virgin import of EGCS 1.1.2's libio -- the C++ iostream facility.

1 files changed, 71 insertions, 0 deletions

diff --git a/contrib/libio/iogets.c b/contrib/libio/iogets.c
new file mode 100644
index 0000000..9e88ca1
--- /dev/null
+++ b/contrib/libio/iogets.c
@@ -0,0 +1,71 @@
+/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
+   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 this library; see the file COPYING.  If not, write to
+   the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, 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"
+#include <limits.h>
+
+char*
+_IO_gets (buf)
+     char *buf;
+{
+  _IO_size_t count;
+  int ch;
+  char *retval;
+
+  _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile,
+			    _IO_stdin);
+  _IO_flockfile (_IO_stdin);
+  ch = _IO_getc_unlocked (_IO_stdin);
+  if (ch == EOF)
+    {
+      retval = NULL;
+      goto unlock_return;
+    }
+  if (ch == '\n')
+    count = 0;
+  else
+    {
+      buf[0] = (char) ch;
+      count = _IO_getline (_IO_stdin, buf + 1, INT_MAX, '\n', 0) + 1;
+      if (_IO_stdin->_IO_file_flags & _IO_ERR_SEEN)
+	{
+	  retval = NULL;
+	  goto unlock_return;
+	}
+    }
+  buf[count] = 0;
+  retval = buf;
+unlock_return:
+  _IO_cleanup_region_end (1);
+  return retval;
+}
+
+#ifdef weak_alias
+weak_alias (_IO_gets, gets)
+#endif
+
+#ifdef _LIBC
+link_warning (gets, "the `gets' function is dangerous and should not be used.")
+#endif