Add debug support

Added support for the -d,--debug switches. These will cause upwgen to
dump the assembled character array to stdout with hexidecimal and
decimal codes. Also prints a total pool character count.

2 files changed, 12 insertions, 1 deletions

diff --git a/src/i18n_cat.c b/src/i18n_cat.c
index 18712ac..f8d9f05 100644
--- a/src/i18n_cat.c
+++ b/src/i18n_cat.c
@@ -275,8 +275,10 @@ unsigned int i18n_cat_four(unsigned int* dest) {
 void i18n_dump_arr(unsigned int* arr) {
   int i = 0; // cursor
 
+  printf("Hex      Decimal   [Character]\n");
   while(arr[i] != '\0') {
-    printf("0x%04x   %5d: [%lc]\n", arr[i], arr[i], arr[i]);
+    printf("0x%04x   %-7d   [%lc]\n", arr[i], arr[i], arr[i]);
     i++;
   }
+  printf("\nCount: %d\n\n", i);
 }
diff --git a/src/main.c b/src/main.c
index cb22210..1111a2c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -41,6 +41,7 @@ void usage() {
     "  -4              Include chars from the forth most used scripts in the world\n"
     "\n"
     "  -h,--help       Print this help text\n"
+    "  -d,--debug      Enable debug mode (prints entire character pool)\n"
   );
 }
 
@@ -48,12 +49,14 @@ void usage() {
 int main(int argc, char* argv[]) {
   struct timespec ts; // Timespec for seeding rng
   unsigned int count; // Number of chars to choose from
+  int debug;          // Debug mode switch
   int len;            // Password length
   int i;              // Arg index
   unsigned long seed; // Seed for the RNG (current seconds * nanoseconds)
   unsigned int chars[4096]; // Uint array to hold international chars
 
   // Initialize
+  debug    = 0;
   count    = 0;
   len      = 32;
   i        = 1;
@@ -95,6 +98,9 @@ int main(int argc, char* argv[]) {
       usage();
       return 0;
 
+    } else if(strcmp(argv[i], "-d") == 0 || strcmp(argv[i], "--debug") == 0) {
+        debug = 1;
+
     } else {
       // If we reach this block, the user specified a custom length (or
       // fatfingered something). Test for ability to convert from str to int
@@ -114,6 +120,9 @@ int main(int argc, char* argv[]) {
   if(chars[0] == '\0')
     count += i18n_cat_ascii(chars);
 
+  if(debug)
+    i18n_dump_arr(chars);
+
   // Get the random data seed
   clock_gettime(CLOCK_REALTIME, &ts);
   seed = ts.tv_sec + ts.tv_nsec;