1 files changed, 6 insertions(+), 19 deletions(-)

M classwork/classwork12/classwork12.c

@@ 7,34 7,21 @@
  * Wed Jun  2 12:19:42 PM MDT 2021
  */
 
-unsigned char count_chars(char word[], unsigned int length) {
+unsigned char count_chars(char word[]) {
   // Check if string is done
   if (word[0] == '\0') {
     return 0;
-  } else if (length < 1) {
-    // Length is too low; future allocations with lead to SEGFAULT
-    // Must panic
-    fprintf(stderr, "Input length longer than max!\n");
-    exit(5);
   } else {
-    // Create a new word with the first character removed
-    char new_word[length - 1];
-    for (unsigned char i = 0; i < length; i++) {
-      // Check if last copied character was null
-      if (word[i] == '\0') {
-        break;
-      } else {
-        new_word[i] = word[i + 1];
-      }
-    }
     // Count the characters in the word with a character missing
-    return (count_chars(new_word, length - 1) + 1);
+    return (count_chars(&word[1]) + 1);
   }
 }
 
 int main(void) {
   // Read max number of characters
-  unsigned int max_length = 20;
+  // The program will happily run over the max and starting writing
+  // into adjacent memory, but this seems to work alright
+  unsigned int max_length = 20; // Defaults to 20
   printf("Enter a max word length> ");
   scanf("%u", &max_length);
 


@@ 44,7 31,7 @@ int main(void) {
   scanf("%s", word);
 
   // Output calculation and delivery
-  unsigned char length = count_chars(word, max_length);
+  unsigned char length = count_chars(word);
   printf("Length: %hhu\n", length);
 
   return (0);