Replaced strcpy with a safe function.

common/lc_string.cpp

@@ -0,0 +1,51 @@
+#include "lc_global.h"
+#include "lc_string.h"
+
+char* lcstrcasestr(const char* s, const char* find)
+{
+	char c, sc;
+	
+	if ((c = *find++) != 0)
+	{
+		c = tolower((unsigned char)c);
+		const int len = (int)strlen(find);
+		do
+		{
+			do
+			{
+				if ((sc = *s++) == 0)
+					return (nullptr);
+			} while ((char)tolower((unsigned char)sc) != c);
+		} while (qstrnicmp(s, find, len) != 0);
+		s--;
+	}
+	return ((char *)s);
+}
+
+char* lcstrupr(char* string)
+{
+	for (char* c = string; *c; c++)
+		*c = toupper(*c);
+	
+	return string;
+}
+
+size_t lcstrcpy(char* dest, const char* source, size_t count)
+{
+	if (count == 0)
+		return 0;
+	
+	for (size_t i = 0; i < count; i++)
+	{
+		dest[i] = source[i];
+		
+		if (source[i] == '\0')
+		{
+			return i;
+		}
+	}
+	
+	dest[--count] = '\0';
+	
+	return count;
+}