From 67285965f3d2c266ee37fec17d339b717752f8b0 Mon Sep 17 00:00:00 2001
From: Glenn L McGrath <bug1@ihug.co.nz>
Date: Wed, 14 Jan 2004 09:34:51 +0000
Subject: Vodz last_patch_122, Check $PATH at runtime to fix tab completion

---
 shell/ash.c     |  3 +++
 shell/cmdedit.c | 14 +++++++++++---
 shell/cmdedit.h |  4 ++++
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/shell/ash.c b/shell/ash.c
index b34f0583f..80145dae5 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -4117,6 +4117,9 @@ changepath(const char *newval)
 		firstchange = 0;
 	clearcmdentry(firstchange);
 	builtinloc = idx_bltin;
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
+	cmdedit_path_lookup = newval;
+#endif
 }
 
 
diff --git a/shell/cmdedit.c b/shell/cmdedit.c
index 884489b45..ec861df54 100644
--- a/shell/cmdedit.c
+++ b/shell/cmdedit.c
@@ -43,6 +43,8 @@
 
 #include "busybox.h"
 
+#include "../shell/cmdedit.h"
+
 #ifdef CONFIG_LOCALE_SUPPORT
 #define Isprint(c) isprint((c))
 #else
@@ -609,14 +611,20 @@ enum {
 	FIND_FILE_ONLY = 2,
 };
 
+#ifdef CONFIG_ASH
+const char *cmdedit_path_lookup;
+#else
+#define cmdedit_path_lookup getenv("PATH")
+#endif
+
 static int path_parse(char ***p, int flags)
 {
 	int npth;
-	char *tmp;
-	char *pth;
+	const char *tmp;
+	const char *pth;
 
 	/* if not setenv PATH variable, to search cur dir "." */
-	if (flags != FIND_EXE_ONLY || (pth = getenv("PATH")) == 0 ||
+	if (flags != FIND_EXE_ONLY || (pth = cmdedit_path_lookup) == 0 ||
 		/* PATH=<empty> or PATH=:<empty> */
 		*pth == 0 || (*pth == ':' && *(pth + 1) == 0)) {
 		return 1;
diff --git a/shell/cmdedit.h b/shell/cmdedit.h
index 991dafcd1..4c0c09d76 100644
--- a/shell/cmdedit.h
+++ b/shell/cmdedit.h
@@ -3,6 +3,10 @@
 
 int     cmdedit_read_input(char* promptStr, char* command);
 
+#ifdef CONFIG_ASH
+extern const char *cmdedit_path_lookup;
+#endif
+
 #ifdef CONFIG_FEATURE_COMMAND_SAVEHISTORY
 void    load_history ( const char *fromfile );
 void    save_history ( const char *tofile );
-- 
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