Fix datatypes to use platform independent values, Add command line switch scaffolding

Allow users to chose which bink/channelid they'd like to generate with
Add rudimentary help system, Sanitize user input

src/cli.cpp

@@ -4,14 +4,61 @@
 
 #include "header.h"
 
-void print_product_id(ul32 *pid)
+void showHelp(char *argv[]) {
+    std::cout << "usage: " << argv[0] << std::endl                                             << std::endl
+              << "\t-h --help\tshow this message"                                              << std::endl
+              << "\t-v --verbose\tenable verbose output"                                       << std::endl
+              << "\t-b --binkid\tspecify which BINK identifier to load (defaults to 2E)"       << std::endl
+              << "\t-l --list\tshow which products/binks can be loaded"                        << std::endl
+              << "\t-c --channelid\tspecify which Channel Identifier to use (defaults to 640)" << std::endl
+              << std::endl << std::endl;
+}
+
+Options parseCommandLine(int argc, char* argv[]) {
+    Options options = {
+        "2E",
+        640,
+        false,
+        false,
+        false
+    };
+
+    for (int i = 1; i < argc; i++) {
+        std::string arg = argv[i];
+
+        if (arg == "-v" || arg == "--verbose") {
+            options.verbose = true;
+        } else if (arg == "-h" || arg == "--help") {
+            options.help = true;
+        } else if (arg == "-b" || arg == "--bink") {
+            options.binkid = argv[i+1];
+            i++;
+        } else if (arg == "-l" || arg == "--list") {
+            options.list = true;
+        } else if (arg == "-c" || arg == "--channelid") {
+            int siteID;
+            if (!sscanf(argv[i+1], "%d", &siteID)) {
+                options.error = true;
+            } else {
+                options.channelID = siteID;
+            }
+            i++;
+        } else {
+            options.error = true;
+        }
+    }
+
+    return options;
+}
+
+void print_product_id(uint32_t *pid)
 {
     char raw[12];
     char b[6], c[8];
     int i, digit = 0;
 
     //	Cut a away last bit of pid and convert it to an accii-number (=raw)
-    sprintf(raw, "%lu", pid[0] >> 1);
+    sprintf(raw, "%iu", pid[0] >> 1);
 
     // Make b-part {640-....}
     strncpy(b, raw, 3);