From 62af1d0b2a31185dc8acaf3fe8fc3149414277bd Mon Sep 17 00:00:00 2001
From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com>
Date: Sat, 17 Sep 2022 02:56:19 +0200
Subject: gnulib changes
---
gl/lseek.c | 89 --------------------------------------------------------------
1 file changed, 89 deletions(-)
delete mode 100644 gl/lseek.c
(limited to 'gl/lseek.c')
diff --git a/gl/lseek.c b/gl/lseek.c
deleted file mode 100644
index 1a9c49bd..00000000
--- a/gl/lseek.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* An lseek() function that detects pipes.
- Copyright (C) 2007, 2009-2022 Free Software Foundation, Inc.
-
- This file 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 file 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 . */
-
-#include
-
-/* Specification. */
-#include
-
-#if defined _WIN32 && ! defined __CYGWIN__
-/* Windows platforms. */
-/* Get GetFileType. */
-# include
-/* Get _get_osfhandle. */
-# if GNULIB_MSVC_NOTHROW
-# include "msvc-nothrow.h"
-# else
-# include
-# endif
-#else
-# include
-#endif
-#include
-
-#undef lseek
-
-off_t
-rpl_lseek (int fd, off_t offset, int whence)
-{
-#if defined _WIN32 && ! defined __CYGWIN__
- /* mingw lseek mistakenly succeeds on pipes, sockets, and terminals. */
- HANDLE h = (HANDLE) _get_osfhandle (fd);
- if (h == INVALID_HANDLE_VALUE)
- {
- errno = EBADF;
- return -1;
- }
- if (GetFileType (h) != FILE_TYPE_DISK)
- {
- errno = ESPIPE;
- return -1;
- }
-#elif defined __APPLE__ && defined __MACH__ && defined SEEK_DATA
- if (whence == SEEK_DATA)
- {
- /* If OFFSET points to data, macOS lseek+SEEK_DATA returns the
- start S of the first data region that begins *after* OFFSET,
- where the region from OFFSET to S consists of possibly-empty
- data followed by a possibly-empty hole. To work around this
- portability glitch, check whether OFFSET is within data by
- using lseek+SEEK_HOLE, and if so return to OFFSET by using
- lseek+SEEK_SET. Also, contrary to the macOS documentation,
- lseek+SEEK_HOLE can fail with ENXIO if there are no holes on
- or after OFFSET. What a mess! */
- off_t next_hole = lseek (fd, offset, SEEK_HOLE);
- if (next_hole < 0)
- return errno == ENXIO ? offset : next_hole;
- if (next_hole != offset)
- whence = SEEK_SET;
- }
-#else
- /* BeOS lseek mistakenly succeeds on pipes... */
- struct stat statbuf;
- if (fstat (fd, &statbuf) < 0)
- return -1;
- if (!S_ISREG (statbuf.st_mode))
- {
- errno = ESPIPE;
- return -1;
- }
-#endif
-#if _GL_WINDOWS_64_BIT_OFF_T || (defined __MINGW32__ && defined _FILE_OFFSET_BITS && (_FILE_OFFSET_BITS == 64))
- return _lseeki64 (fd, offset, whence);
-#else
- return lseek (fd, offset, whence);
-#endif
-}
--
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