swipeGuess: insensitive comparison

1 files changed, 9 insertions, 2 deletions

diff --git a/swipeGuess.c b/swipeGuess.c
index dad4548..41fb29c 100644
--- a/swipeGuess.c
+++ b/swipeGuess.c
@@ -1,6 +1,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <ctype.h>
 
 #define BUFSIZE 1024
 char wordBuff[BUFSIZE];
@@ -20,15 +21,21 @@ char *fgetst(char *restrict s, int size, FILE *restrict stream) {
 	return r;
 }
 
+bool charcmp(char a, char b) {
+	return tolower(a) == tolower(b);
+}
+
 bool swipeCompare(char *swipe, char *word) {
-	if (swipe[0] != word[0]) return false;
+	if (! charcmp(swipe[0], word[0])) {
+		return false;
+	}
 	char *swipeP = swipe;
 	char *wordP = word;
 	wordP++;
 	bool lastMatch = false;
 	for(swipeP++; swipeP[0]; swipeP++) {
 		lastMatch = false;
-		while (swipeP[0] == wordP[0]) {
+		while (charcmp(swipeP[0], wordP[0])) {
 			wordP++;
 			lastMatch = true;
 		}