From d13eaa60f504987445b7333ef6972491c9483e6a Mon Sep 17 00:00:00 2001
From: Michael Adam <obnox@samba.org>
Date: Tue, 21 Aug 2007 14:47:15 +0000
Subject: [PATCH] r24602: Add function lp_string_is_valid_boolean() to check if
 a string contains a correct representation of a boolean value (in the
 understanding of loadparm.c).

Make set_boolean() catch passing NULL for the boolean target.

Michael
---
 source/param/loadparm.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/source/param/loadparm.c b/source/param/loadparm.c
index e65a6495846..6e05e5e5547 100644
--- a/source/param/loadparm.c
+++ b/source/param/loadparm.c
@@ -3087,25 +3087,41 @@ void show_parameter_list(void)
 static BOOL set_boolean(BOOL *pb, const char *pszParmValue)
 {
 	BOOL bRetval;
+	BOOL value;
 
 	bRetval = True;
 	if (strwicmp(pszParmValue, "yes") == 0 ||
 	    strwicmp(pszParmValue, "true") == 0 ||
 	    strwicmp(pszParmValue, "1") == 0)
-		*pb = True;
+		value = True;
 	else if (strwicmp(pszParmValue, "no") == 0 ||
 		    strwicmp(pszParmValue, "False") == 0 ||
 		    strwicmp(pszParmValue, "0") == 0)
-		*pb = False;
+		value = False;
 	else {
 		DEBUG(0,
 		      ("ERROR: Badly formed boolean in configuration file: \"%s\".\n",
 		       pszParmValue));
 		bRetval = False;
 	}
+
+	if (pb != NULL) {
+		*pb = value;
+	}
+
 	return (bRetval);
 }
 
+
+/***************************************************************************
+ Check if a given string correctly represents a boolean value.
+***************************************************************************/
+
+BOOL lp_string_is_valid_boolean(const char *parm_value)
+{
+	return set_boolean(NULL, parm_value);
+}
+
 /***************************************************************************
  Get the standard string representation of a boolean value ("yes" or "no")
 ***************************************************************************/
-- 
2.34.1