1 files changed, 108 insertions, 0 deletions
diff --git a/REORG.TODO/libio/iogetline.c b/REORG.TODO/libio/iogetline.c
new file mode 100644
index 0000000000..2a713c6d0c
--- /dev/null
+++ b/REORG.TODO/libio/iogetline.c
@@ -0,0 +1,108 @@
+/* Copyright (C) 1993-2017 Free Software Foundation, Inc.
+   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, see
+   <http://www.gnu.org/licenses/>.
+
+   As a special exception, if you link the code in this file with
+   files compiled with a GNU compiler to produce an executable,
+   that does not cause the resulting executable to be covered by
+   the GNU Lesser General Public License.  This exception does not
+   however invalidate any other reasons why the executable file
+   might be covered by the GNU Lesser General Public License.
+   This exception applies to code released by its copyright holders
+   in files containing the exception.  */
+
+#include "libioP.h"
+#include <string.h>
+
+_IO_size_t
+_IO_getline (_IO_FILE *fp, char *buf, _IO_size_t n, int delim,
+	     int extract_delim)
+{
+  return _IO_getline_info (fp, buf, n, delim, extract_delim, (int *) 0);
+}
+libc_hidden_def (_IO_getline)
+
+/* Algorithm based on that used by Berkeley pre-4.4 fgets implementation.
+
+   Read chars into buf (of size n), until delim is seen.
+   Return number of chars read (at most n).
+   Does not put a terminating '\0' in buf.
+   If extract_delim < 0, leave delimiter unread.
+   If extract_delim > 0, insert delim in output. */
+
+_IO_size_t
+_IO_getline_info (_IO_FILE *fp, char *buf, _IO_size_t n, int delim,
+		  int extract_delim, int *eof)
+{
+  char *ptr = buf;
+  if (eof != NULL)
+    *eof = 0;
+  if (__builtin_expect (fp->_mode, -1) == 0)
+    _IO_fwide (fp, -1);
+  while (n != 0)
+    {
+      _IO_ssize_t len = fp->_IO_read_end - fp->_IO_read_ptr;
+      if (len <= 0)
+	{
+	  int c = __uflow (fp);
+	  if (c == EOF)
+	    {
+	      if (eof)
+		*eof = c;
+	      break;
+	    }
+	  if (c == delim)
+	    {
+ 	      if (extract_delim > 0)
+		*ptr++ = c;
+	      else if (extract_delim < 0)
+		_IO_sputbackc (fp, c);
+	      if (extract_delim > 0)
+		++len;
+	      return ptr - buf;
+	    }
+	  *ptr++ = c;
+	  n--;
+	}
+      else
+	{
+	  char *t;
+	  if ((_IO_size_t) len >= n)
+	    len = n;
+	  t = (char *) memchr ((void *) fp->_IO_read_ptr, delim, len);
+	  if (t != NULL)
+	    {
+	      _IO_size_t old_len = ptr-buf;
+	      len = t - fp->_IO_read_ptr;
+	      if (extract_delim >= 0)
+		{
+		  ++t;
+		  if (extract_delim > 0)
+		    ++len;
+		}
+	      memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len);
+	      fp->_IO_read_ptr = t;
+	      return old_len + len;
+	    }
+	  memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len);
+	  fp->_IO_read_ptr += len;
+	  ptr += len;
+	  n -= len;
+	}
+    }
+  return ptr - buf;
+}
+libc_hidden_def (_IO_getline_info)