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-rw-r--r--Build/source/texk/kpathsea/xgetcwd.c159
1 files changed, 0 insertions, 159 deletions
diff --git a/Build/source/texk/kpathsea/xgetcwd.c b/Build/source/texk/kpathsea/xgetcwd.c
deleted file mode 100644
index 044731dbd1b..00000000000
--- a/Build/source/texk/kpathsea/xgetcwd.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/* xgetcwd.c: a from-scratch version of getwd. Ideas from tcsh 5.20 source.
-
- Copyright 1992, 1994, 1996, 2008, 2011, 2016 Karl Berry.
- Copyright 2005 Olaf Weber.
-
- This 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.
-
- 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with this library; if not, see <http://www.gnu.org/licenses/>. */
-
-#include <kpathsea/config.h>
-
-#if (defined (HAVE_GETCWD) && !defined (GETCWD_FORKS)) || defined (HAVE_GETWD)
-#include <kpathsea/c-pathmx.h>
-#else /* (not HAVE_GETCWD || GETCWD_FORKS) && not HAVE_GETWD */
-#include <kpathsea/c-dir.h>
-#include <kpathsea/xopendir.h>
-#include <kpathsea/xstat.h>
-
-
-static void
-xchdir (string dirname)
-{
- if (chdir(dirname) != 0)
- FATAL_PERROR(dirname);
-}
-
-#endif /* (not HAVE_GETCWD || GETCWD_FORKS) && not HAVE_GETWD */
-
-
-/* Return the pathname of the current directory, or give a fatal error. */
-
-string
-xgetcwd (void)
-{
- /* If the system provides getcwd, use it. If not, use getwd if
- available. But provide a way not to use getcwd: on some systems
- getcwd forks, which is expensive and may in fact be impossible for
- large programs like tex. If your system needs this define and it
- is not detected by configure, let me know.
- -- Olaf Weber <infovore@xs4all.nl */
-#if defined (HAVE_GETCWD) && !defined (GETCWD_FORKS)
- char path[PATH_MAX + 1];
-#if defined(WIN32)
- string pp;
-#endif
-
- if (getcwd (path, PATH_MAX + 1) == NULL) {
- FATAL_PERROR ("getcwd");
- }
-
-#if defined(WIN32)
- for (pp = path; *pp; pp++) {
- if (*pp == '\\')
- *pp = '/';
-#if defined (KPSE_COMPAT_API)
- else if (IS_KANJI(pp))
- pp++;
-#endif
- }
-#endif
-
- return xstrdup (path);
-#elif defined (HAVE_GETWD)
- char path[PATH_MAX + 1];
-
- if (getwd (path) == NULL) {
- FATAL_PERROR ("getwd");
- }
-
- return xstrdup (path);
-#else /* (not HAVE_GETCWD || GETCWD_FORKS) && not HAVE_GETWD */
- struct stat root_stat, cwd_stat;
- string cwd_path = (string)xmalloc(2); /* In case we assign "/" below. */
-
- *cwd_path = 0;
-
- /* Find the inodes of the root and current directories. */
- root_stat = xstat("/");
- cwd_stat = xstat(".");
-
- /* Go up the directory hierarchy until we get to root, prepending each
- directory we pass through to `cwd_path'. */
- while (!SAME_FILE_P(root_stat, cwd_stat)) {
- struct dirent *e;
- DIR *parent_dir;
- boolean found = false;
-
- xchdir("..");
- parent_dir = xopendir(".");
-
- /* Look through the parent directory for the entry with the same
- inode, so we can get its name. */
- while ((e = readdir (parent_dir)) != NULL && !found) {
- struct stat test_stat;
- test_stat = xlstat(e->d_name);
-
- if (SAME_FILE_P(test_stat, cwd_stat)) {
- /* We've found it. Prepend the pathname. */
- string temp = cwd_path;
- cwd_path = concat3("/", e->d_name, cwd_path);
- free(temp);
-
- /* Set up to test the next parent. */
- cwd_stat = xstat(".");
-
- /* Stop reading this directory. */
- found = true;
- }
- }
- if (!found)
- FATAL2("No inode %d/device %d in parent directory",
- cwd_stat.st_ino, cwd_stat.st_dev);
-
- xclosedir(parent_dir);
- }
-
- /* If the current directory is the root, cwd_path will be the empty
- string, and we will have not gone through the loop. */
- if (*cwd_path == 0)
- strcpy(cwd_path, "/");
- else
- /* Go back to where we were. */
- xchdir(cwd_path);
-
-#ifdef DOSISH
- /* Prepend the drive letter to CWD_PATH, since this technique
- never tells us what the drive is.
-
- Note that on MS-DOS/MS-Windows, the branch that works around
- missing `getwd' will probably only work for DJGPP (which does
- have `getwd'), because only DJGPP reports meaningful
- st_ino numbers. But someday, somebody might need this... */
- {
- char drive[3];
- string temp = cwd_path;
-
- /* Make the drive letter lower-case, unless it is beyond Z: (yes,
- there ARE such drives, in case of Novell Netware on MS-DOS). */
- drive[0] = root_stat.st_dev + (root_stat.st_dev < 26 ? 'a' : 'A');
- drive[1] = ':';
- drive[2] = '\0';
-
- cwd_path = concat(drive, cwd_path);
- free(temp);
- }
-#endif
-
- return cwd_path;
-#endif /* (not HAVE_GETCWD || GETCWD_FORKS) && not HAVE_GETWD */
-}