summaryrefslogtreecommitdiff
path: root/gl/ftello.c
diff options
context:
space:
mode:
Diffstat (limited to 'gl/ftello.c')
-rw-r--r--gl/ftello.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/gl/ftello.c b/gl/ftello.c
deleted file mode 100644
index d1b00d1247..0000000000
--- a/gl/ftello.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* An ftello() function that works around platform bugs.
- Copyright (C) 2007, 2009-2016 Free Software Foundation, Inc.
-
- This program 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.
-
- This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-/* Specification. */
-#include <stdio.h>
-
-/* Get lseek. */
-#include <unistd.h>
-
-#include "stdio-impl.h"
-
-off_t
-ftello (FILE *fp)
-#undef ftello
-#if !HAVE_FTELLO
-# undef ftell
-# define ftello ftell
-#endif
-#if _GL_WINDOWS_64_BIT_OFF_T
-# undef ftello
-# if HAVE__FTELLI64 /* msvc, mingw64 */
-# define ftello _ftelli64
-# else /* mingw */
-# define ftello ftello64
-# endif
-#endif
-{
-#if LSEEK_PIPE_BROKEN
- /* mingw gives bogus answers rather than failure on non-seekable files. */
- if (lseek (fileno (fp), 0, SEEK_CUR) == -1)
- return -1;
-#endif
-
-#if FTELLO_BROKEN_AFTER_SWITCHING_FROM_READ_TO_WRITE /* Solaris */
- /* The Solaris stdio leaves the _IOREAD flag set after reading from a file
- reaches EOF and the program then starts writing to the file. ftello
- gets confused by this. */
- if (fp_->_flag & _IOWRT)
- {
- off_t pos;
-
- /* Call ftello nevertheless, for the side effects that it does on fp. */
- ftello (fp);
-
- /* Compute the file position ourselves. */
- pos = lseek (fileno (fp), (off_t) 0, SEEK_CUR);
- if (pos >= 0)
- {
- if ((fp_->_flag & _IONBF) == 0 && fp_->_base != NULL)
- pos += fp_->_ptr - fp_->_base;
- }
- return pos;
- }
-#endif
-
-#if defined __SL64 && defined __SCLE /* Cygwin */
- if ((fp->_flags & __SL64) == 0)
- {
- /* Cygwin 1.5.0 through 1.5.24 failed to open stdin in 64-bit
- mode; but has an ftello that requires 64-bit mode. */
- FILE *tmp = fopen ("/dev/null", "r");
- if (!tmp)
- return -1;
- fp->_flags |= __SL64;
- fp->_seek64 = tmp->_seek64;
- fclose (tmp);
- }
-#endif
- return ftello (fp);
-}