Initial release, all features working as expected

cpp/licensegen.cpp

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#pragma GCC diagnostic ignored "-Wwrite-strings"
+
+int LicenseCalc(char *sInput);
+int strtoupper(char *sInput);
+char input [40];
+
+int main ()
+{
+	while(true) {
+		printf("Please enter a User Name or ^C to cancel:\n  >");
+		fgets(input, 40, stdin);
+		strtoupper(input);
+
+		if ((strlen(input) > 0) && (input[strlen(input) - 1] == '\n'))
+			input[strlen(input) - 1] = '\0';
+
+		int license = LicenseCalc(input);
+		printf("Input: %s\tLicense: %05u\tHex: 0x%x\n", input, license, license);
+	}
+	return 0;
+}
+
+int LicenseCalc(char *sInput)
+{
+	int salt = 0x5217;
+	for (int i = 0; i < strlen(sInput); i++) {
+		salt += sInput[i] * 0xa3;
+	}
+	return salt & 0xffff;
+}
+
+int strtoupper(char *input)
+{
+	for (int i = 0; input[i] != 0; i++) {
+		input[i] = toupper(input[i]);
+	}
+}