1 files changed, 18 insertions, 12 deletions

diff --git a/indra/llcommon/llstring.h b/indra/llcommon/llstring.h
index 475531a2ad..1a60a35c2c 100644
--- a/indra/llcommon/llstring.h
+++ b/indra/llcommon/llstring.h
@@ -133,26 +133,32 @@ struct char_traits<U16>
 class LLStringOps
 {
 public:
-	static char toUpper(char elem) { return toupper(elem); }
+	static char toUpper(char elem) { return toupper((unsigned char)elem); }
 	static llwchar toUpper(llwchar elem) { return towupper(elem); }
 	
-	static char toLower(char elem) { return tolower(elem); }
+	static char toLower(char elem) { return tolower((unsigned char)elem); }
 	static llwchar toLower(llwchar elem) { return towlower(elem); }
 
-	static BOOL isSpace(char elem) { return isspace(elem) != 0; }
-	static BOOL isSpace(llwchar elem) { return iswspace(elem) != 0; }
+	static bool isSpace(char elem) { return isspace((unsigned char)elem) != 0; }
+	static bool isSpace(llwchar elem) { return iswspace(elem) != 0; }
 
-	static BOOL isUpper(char elem) { return isupper(elem) != 0; }
-	static BOOL isUpper(llwchar elem) { return iswupper(elem) != 0; }
+	static bool isUpper(char elem) { return isupper((unsigned char)elem) != 0; }
+	static bool isUpper(llwchar elem) { return iswupper(elem) != 0; }
 
-	static BOOL isLower(char elem) { return islower(elem) != 0; }
-	static BOOL isLower(llwchar elem) { return iswlower(elem) != 0; }
+	static bool isLower(char elem) { return islower((unsigned char)elem) != 0; }
+	static bool isLower(llwchar elem) { return iswlower(elem) != 0; }
+
+	static bool isDigit(char a) { return isdigit((unsigned char)a) != 0; }
+	static bool isDigit(llwchar a) { return iswdigit(a) != 0; }
+
+	static bool isPunct(char a) { return ispunct((unsigned char)a) != 0; }
+	static bool isPunct(llwchar a) { return iswpunct(a) != 0; }
+
+	static bool isAlnum(char a) { return isalnum((unsigned char)a) != 0; }
+	static bool isAlnum(llwchar a) { return iswalnum(a) != 0; }
 
 	static S32	collate(const char* a, const char* b) { return strcoll(a, b); }
 	static S32	collate(const llwchar* a, const llwchar* b);
-
-	static BOOL isDigit(char a) { return isdigit(a) != 0; }
-	static BOOL isDigit(llwchar a) { return iswdigit(a) != 0; }
 };
 
 // Allowing assignments from non-strings into format_map_t is apparently
@@ -180,7 +186,7 @@ public:
 	typedef std::map<FormatMapString, FormatMapString> format_map_t;
 	static S32 format(std::basic_string<T>& s, const format_map_t& fmt_map);
 	
-	static BOOL	isValidIndex(const std::basic_string<T>& string, size_type i)
+	static bool isValidIndex(const std::basic_string<T>& string, size_type i)
 	{
 		return !string.empty() && (0 <= i) && (i <= string.size());
 	}