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-rw-r--r--c/src/exec/libcsupport/src/getcwd.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/c/src/exec/libcsupport/src/getcwd.c b/c/src/exec/libcsupport/src/getcwd.c
deleted file mode 100644
index fdde4eea81..0000000000
--- a/c/src/exec/libcsupport/src/getcwd.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * Copyright (c) 1989, 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * Copied from newlib 1.8.1. RTEMS can not build all of the contents
- * of the UNIX directory but we need this routine.
- *
- * $Id$
- */
-
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-/*
- * Added these when moved to RTEMS
- */
-
-#define _stat stat
-#define _opendir opendir
-#define _fstat fstat
-#define _readdir readdir
-#define _closedir closedir
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)getcwd.c 5.11 (Berkeley) 2/24/91";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/stat.h>
-#include <errno.h>
-#include <dirent.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <reent.h>
-#include <_syslist.h>
-
-#define bcopy(a,b,c) memmove (b,a,c)
-
-#define ISDOT(dp) \
- (dp->d_name[0] == '.' && (dp->d_name[1] == '\0' || \
- (dp->d_name[1] == '.' && dp->d_name[2] == '\0')))
-
-#ifndef _REENT_ONLY
-
-char *
-getcwd (pt, size)
- char *pt;
- size_t size;
-{
- register struct dirent *dp;
- register DIR *dir = 0;
- register dev_t dev;
- register ino_t ino;
- register int first;
- register char *bpt, *bup;
- struct stat s;
- dev_t root_dev;
- ino_t root_ino;
- size_t ptsize, upsize;
- int save_errno;
- char *ept, *eup, *up;
-
- /*
- * If no buffer specified by the user, allocate one as necessary.
- * If a buffer is specified, the size has to be non-zero. The path
- * is built from the end of the buffer backwards.
- */
-
- if (pt)
- {
- ptsize = 0;
- if (!size)
- {
- errno = EINVAL;
- return (char *) NULL;
- }
- ept = pt + size;
- }
- else
- {
- if (!(pt = (char *) malloc (ptsize = 1024 - 4)))
- {
- return (char *) NULL;
- }
- ept = pt + ptsize;
- }
- bpt = ept - 1;
- *bpt = '\0';
-
- /*
- * Allocate bytes (1024 - malloc space) for the string of "../"'s.
- * Should always be enough (it's 340 levels). If it's not, allocate
- * as necessary. Special * case the first stat, it's ".", not "..".
- */
-
- if (!(up = (char *) malloc (upsize = 1024 - 4)))
- {
- goto err;
- }
- eup = up + MAXPATHLEN;
- bup = up;
- up[0] = '.';
- up[1] = '\0';
-
- /* Save root values, so know when to stop. */
- if (stat ("/", &s))
- goto err;
- root_dev = s.st_dev;
- root_ino = s.st_ino;
-
- errno = 0; /* XXX readdir has no error return. */
-
- for (first = 1;; first = 0)
- {
- /* Stat the current level. */
- if (_stat (up, &s))
- goto err;
-
- /* Save current node values. */
- ino = s.st_ino;
- dev = s.st_dev;
-
- /* Check for reaching root. */
- if (root_dev == dev && root_ino == ino)
- {
- *--bpt = '/';
- /*
- * It's unclear that it's a requirement to copy the
- * path to the beginning of the buffer, but it's always
- * been that way and stuff would probably break.
- */
- (void) bcopy (bpt, pt, ept - bpt);
- free (up);
- return pt;
- }
-
- /*
- * Build pointer to the parent directory, allocating memory
- * as necessary. Max length is 3 for "../", the largest
- * possible component name, plus a trailing NULL.
- */
-
- if (bup + 3 + MAXNAMLEN + 1 >= eup)
- {
- if (!(up = (char *) realloc (up, upsize *= 2)))
- {
- goto err;
- }
- bup = up;
- eup = up + upsize;
- }
- *bup++ = '.';
- *bup++ = '.';
- *bup = '\0';
-
- /* Open and stat parent directory. */
- if (!(dir = _opendir (up)) || _fstat (__dirfd (dir), &s))
- goto err;
-
- /* Add trailing slash for next directory. */
- *bup++ = '/';
-
- /*
- * If it's a mount point, have to stat each element because
- * the inode number in the directory is for the entry in the
- * parent directory, not the inode number of the mounted file.
- */
-
- save_errno = 0;
- if (s.st_dev == dev)
- {
- for (;;)
- {
- if (!(dp = _readdir (dir)))
- goto notfound;
- if (dp->d_ino == ino)
- break;
- }
- }
- else
- for (;;)
- {
- if (!(dp = _readdir (dir)))
- goto notfound;
- if (ISDOT (dp))
- continue;
- bcopy (dp->d_name, bup, strlen (dp->d_name) + 1);
-
- /* Save the first error for later. */
- if (stat (up, &s))
- {
- if (!save_errno)
- save_errno = errno;
- errno = 0;
- continue;
- }
- if (s.st_dev == dev && s.st_ino == ino)
- break;
- }
-
- /*
- * Check for length of the current name, preceding slash,
- * leading slash.
- */
-
- if (bpt - pt <= strlen (dp->d_name) + (first ? 1 : 2))
- {
- size_t len, off;
-
- if (!ptsize)
- {
- errno = ERANGE;
- goto err;
- }
- off = bpt - pt;
- len = ept - bpt;
- if (!(pt = (char *) realloc (pt, ptsize *= 2)))
- {
- goto err;
- }
- bpt = pt + off;
- ept = pt + ptsize;
- (void) bcopy (bpt, ept - len, len);
- bpt = ept - len;
- }
- if (!first)
- *--bpt = '/';
- bpt -= strlen (dp->d_name);
- bcopy (dp->d_name, bpt, strlen (dp->d_name));
- (void) _closedir (dir);
- dir = 0;
-
- /* Truncate any file name. */
- *bup = '\0';
- }
-
-notfound:
- /*
- * If readdir set errno, use it, not any saved error; otherwise,
- * didn't find the current directory in its parent directory, set
- * errno to ENOENT.
- */
-
- if (!errno)
- errno = save_errno ? save_errno : ENOENT;
- /* FALLTHROUGH */
-
-err:
- if(dir)
- (void) _closedir (dir);
- if (ptsize)
- free (pt);
- free (up);
- return (char *) NULL;
-}
-
-#endif /* _REENT_ONLY */
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