From baf3e7c14b117d01c6f6b05cd617904d3a294ec7 Mon Sep 17 00:00:00 2001
From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Wed, 22 May 2002 03:29:20 +0000
Subject: [PATCH] Temporarily back out revision 1.24; it seems to handle the
 case where the current directory no longer exists incorrectly and breaks
 `make cleandir'.

---
 bin/sh/cd.c | 102 ++++++++++++----------------------------------------
 1 file changed, 23 insertions(+), 79 deletions(-)

diff --git a/bin/sh/cd.c b/bin/sh/cd.c
index b7473badeb31..26ad2f25d1f5 100644
--- a/bin/sh/cd.c
+++ b/bin/sh/cd.c
@@ -67,7 +67,7 @@ static const char rcsid[] =
 #include "show.h"
 #include "cd.h"
 
-STATIC int docd(char *, int, int);
+STATIC int docd(char *, int);
 STATIC char *getcomponent(void);
 STATIC void updatepwd(char *);
 
@@ -76,36 +76,16 @@ char *prevdir;			/* previous working directory */
 STATIC char *cdcomppath;
 
 int
-cdcmd(int argc, char **argv)
+cdcmd(int argc __unused, char **argv __unused)
 {
 	char *dest;
 	char *path;
 	char *p;
 	struct stat statb;
-	int ch, phys, print = 0;
+	int print = 0;
 
-	optreset = 1; optind = 1; /* initialize getopt */
-	phys = 0;
-	while ((ch = getopt(argc, argv, "LP")) != -1) {
-		switch (ch) {
-		case 'L':
-			phys = 0;
-			break;
-		case 'P':
-			phys = 1;
-			break;
-		default:
-			error("unknown option: -%c", optopt);
-			break;
-		}
-	}
-	argc -= optind;
-	argv += optind;
-
-	if (argc > 1)
-		error("too many arguments");
-
-	if ((dest = *argv) == NULL && (dest = bltinlookup("HOME", 1)) == NULL)
+	nextopt(nullstr);
+	if ((dest = *argptr) == NULL && (dest = bltinlookup("HOME", 1)) == NULL)
 		error("HOME not set");
 	if (*dest == '\0')
 		dest = ".";
@@ -128,8 +108,9 @@ cdcmd(int argc, char **argv)
 					p += 2;
 				print = strcmp(p, dest);
 			}
-			if (docd(p, print, phys) >= 0)
+			if (docd(p, print) >= 0)
 				return 0;
+
 		}
 	}
 	error("can't cd to %s", dest);
@@ -143,7 +124,7 @@ cdcmd(int argc, char **argv)
  * directory name if "print" is nonzero.
  */
 STATIC int
-docd(char *dest, int print, int phys)
+docd(char *dest, int print)
 {
 	char *p;
 	char *q;
@@ -152,20 +133,7 @@ docd(char *dest, int print, int phys)
 	int first;
 	int badstat;
 
-	TRACE(("docd(\"%s\", %d, %d) called\n", dest, print, phys));
-
-	if (phys) {
-		INTOFF;
-		if (chdir(dest) < 0) {
-			INTON;
-			return -1;
-		}
-		updatepwd(NULL);
-		INTON;
-		if (print && iflag && curdir)
-			out1fmt("%s\n", curdir);
-		return 0;
-	}
+	TRACE(("docd(\"%s\", %d) called\n", dest, print));
 
 	/*
 	 *  Check each component of the path. If we find a symlink or
@@ -193,18 +161,20 @@ docd(char *dest, int print, int phys)
 		if (equal(component, ".."))
 			continue;
 		STACKSTRNUL(p);
-		if (lstat(stackblock(), &statb) < 0) {
+		if ((lstat(stackblock(), &statb) < 0)
+		    || (S_ISLNK(statb.st_mode)))  {
+			/* print = 1; */
 			badstat = 1;
 			break;
 		}
 	}
 
 	INTOFF;
-	updatepwd(badstat ? NULL : dest);
-	if (chdir(curdir) < 0) {
+	if (chdir(dest) < 0) {
 		INTON;
 		return -1;
 	}
+	updatepwd(badstat ? NULL : dest);
 	INTON;
 	if (print && iflag && curdir)
 		out1fmt("%s\n", curdir);
@@ -300,48 +270,22 @@ updatepwd(char *dir)
 	INTON;
 }
 
-#define MAXPWD 256
 
 int
 pwdcmd(int argc __unused, char **argv __unused)
 {
-	char buf[MAXPWD];
-	int ch, phys;
-
-	optreset = 1; optind = 1; /* initialize getopt */
-	phys = 0;
-	while ((ch = getopt(argc, argv, "LP")) != -1) {
-		switch (ch) {
-		case 'L':
-			phys = 0;
-			break;
-		case 'P':
-			phys = 1;
-			break;
-		default:
-			error("unknown option: -%c", optopt);
-			break;
-		}
-	}
-	argc -= optind;
-	argv += optind;
-
-	if (argc != 0)
-		error("too many arguments");
-
-	if (!phys && getpwd()) {
-		out1str(curdir);
-		out1c('\n');
-	} else {
-		if (getcwd(buf, sizeof(buf)) == NULL)
-			error(".: %s", strerror(errno));
-		out1str(buf);
-		out1c('\n');
-	}
-
+	if (!getpwd())
+		error("getcwd() failed: %s", strerror(errno));
+	out1str(curdir);
+	out1c('\n');
 	return 0;
 }
 
+
+
+
+#define MAXPWD 256
+
 /*
  * Find out what the current directory is. If we already know the current
  * directory, this routine returns immediately.