svn commit: r294667 - head/bin/sh

[Jilles Tjoelker]

Author: jilles
Date: Sun Jan 24 17:01:34 2016
New Revision: 294667
URL: https://svnweb.freebsd.org/changeset/base/294667

Log:
  sh: Remove a global variable from cd.c.

Modified:
  head/bin/sh/cd.c

Modified: head/bin/sh/cd.c
==============================================================================
--- head/bin/sh/cd.c	Sun Jan 24 15:44:57 2016	(r294666)
+++ head/bin/sh/cd.c	Sun Jan 24 17:01:34 2016	(r294667)
@@ -68,14 +68,13 @@ __FBSDID("$FreeBSD$");
 static int cdlogical(char *);
 static int cdphysical(char *);
 static int docd(char *, int, int);
-static char *getcomponent(void);
+static char *getcomponent(char **);
 static char *findcwd(char *);
 static void updatepwd(char *);
 static char *getpwd(void);
 static char *getpwd2(void);
 
 static char *curdir = NULL;	/* current working directory */
-static char *cdcomppath;
 
 int
 cdcmd(int argc __unused, char **argv __unused)
@@ -177,6 +176,7 @@ cdlogical(char *dest)
 	char *p;
 	char *q;
 	char *component;
+	char *path;
 	struct stat statb;
 	int first;
 	int badstat;
@@ -187,14 +187,14 @@ cdlogical(char *dest)
 	 *  next time we get the value of the current directory.
 	 */
 	badstat = 0;
-	cdcomppath = stsavestr(dest);
+	path = stsavestr(dest);
 	STARTSTACKSTR(p);
 	if (*dest == '/') {
 		STPUTC('/', p);
-		cdcomppath++;
+		path++;
 	}
 	first = 1;
-	while ((q = getcomponent()) != NULL) {
+	while ((q = getcomponent(&path)) != NULL) {
 		if (q[0] == '\0' || (q[0] == '.' && q[1] == '\0'))
 			continue;
 		if (! first)
@@ -243,25 +243,25 @@ cdphysical(char *dest)
 }
 
 /*
- * Get the next component of the path name pointed to by cdcomppath.
- * This routine overwrites the string pointed to by cdcomppath.
+ * Get the next component of the path name pointed to by *path.
+ * This routine overwrites *path and the string pointed to by it.
  */
 static char *
-getcomponent(void)
+getcomponent(char **path)
 {
 	char *p;
 	char *start;
 
-	if ((p = cdcomppath) == NULL)
+	if ((p = *path) == NULL)
 		return NULL;
-	start = cdcomppath;
+	start = *path;
 	while (*p != '/' && *p != '\0')
 		p++;
 	if (*p == '\0') {
-		cdcomppath = NULL;
+		*path = NULL;
 	} else {
 		*p++ = '\0';
-		cdcomppath = p;
+		*path = p;
 	}
 	return start;
 }
@@ -272,6 +272,7 @@ findcwd(char *dir)
 {
 	char *new;
 	char *p;
+	char *path;
 
 	/*
 	 * If our argument is NULL, we don't know the current directory
@@ -280,14 +281,14 @@ findcwd(char *dir)
 	 */
 	if (dir == NULL || curdir == NULL)
 		return getpwd2();
-	cdcomppath = stsavestr(dir);
+	path = stsavestr(dir);
 	STARTSTACKSTR(new);
 	if (*dir != '/') {
 		STPUTS(curdir, new);
 		if (STTOPC(new) == '/')
 			STUNPUTC(new);
 	}
-	while ((p = getcomponent()) != NULL) {
+	while ((p = getcomponent(&path)) != NULL) {
 		if (equal(p, "..")) {
 			while (new > stackblock() && (STUNPUTC(new), *new) != '/');
 		} else if (*p != '\0' && ! equal(p, ".")) {