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-rw-r--r--src/StringUtils.cpp15
-rw-r--r--src/StringUtils.h3
2 files changed, 18 insertions, 0 deletions
diff --git a/src/StringUtils.cpp b/src/StringUtils.cpp
index b0e5a4ffe..decce8065 100644
--- a/src/StringUtils.cpp
+++ b/src/StringUtils.cpp
@@ -230,6 +230,21 @@ AString & StrToLower(AString & s)
+AString StrToLower(const AString & s)
+{
+ AString res;
+ res.resize(s.size());
+ for (AString::iterator itr = res.begin(), end = res.end(); itr != end; ++itr)
+ {
+ *itr = (char)tolower(*itr);
+ }
+ return res;
+}
+
+
+
+
+
int NoCaseCompare(const AString & s1, const AString & s2)
{
#ifdef _MSC_VER
diff --git a/src/StringUtils.h b/src/StringUtils.h
index 30b9904d1..65363382d 100644
--- a/src/StringUtils.h
+++ b/src/StringUtils.h
@@ -48,6 +48,9 @@ extern AString & StrToUpper(AString & s);
/// In-place string conversion to lowercase; returns the same string
extern AString & StrToLower(AString & s);
+/** Returns a lower-cased copy of the string */
+extern AString StrToLower(const AString & s);
+
/// Case-insensitive string comparison; returns 0 if the strings are the same
extern int NoCaseCompare(const AString & s1, const AString & s2); // tolua_export