Added a Maxsi::String::Substring function.

libmaxsi/include/libmaxsi/string.h

@@ -37,6 +37,7 @@ namespace Maxsi
 		size_t Reject(const char* str, const char* reject);
 		char* Clone(const char* Source);
 		char* Combine(size_t NumParameters, ...);
+		char* Substring(const char* src, size_t offset, size_t length);
 		char* Copy(char* Dest, const char* Src);
 		char* Cat(char* Dest, const char* Src);
 		char* Tokenize(char* str, const char* delim);

libmaxsi/string.cpp

@@ -199,6 +199,16 @@ namespace Maxsi
 			return Result;
 		}
 
+		char* Substring(const char* src, size_t offset, size_t length)
+		{
+			size_t srclen = Length(src);
+			char* dest = new char[length + 1];
+			if ( !dest ) { return NULL; }
+			Memory::Copy(dest, src + offset, length * sizeof(char));
+			dest[length] = 0;
+			return dest;
+		}
+
 		DUAL_FUNCTION(int, atoi, ToInt, (const char* str))
 		{
 			bool negative = ( *str == '-' );