n is in fact unused, and is later shadowed.

MadCoder · Junio C Hamano · commit 5df7dbbae4a5 · 2006-08-23T18:47:39.000-07:00
date.c::approxidate_alpha() counts the number of alphabets
while moving the pointer but does not use the count.

Signed-off-by: Pierre Habouzit &lt;madcoder@debian.org&gt;
Signed-off-by: Junio C Hamano &lt;junkio@cox.net&gt;
diff --git a/date.c b/date.c
@@ -584,10 +584,10 @@ static const char *approxidate_alpha(const char *date, struct tm *tm, int *num)
 	const struct typelen *tl;
 	const struct special *s;
 	const char *end = date;
-	int n = 1, i;
+	int i;
 
-	while (isalpha(*++end))
-		n++;
+	while (isalpha(*++end));
+		;
 
 	for (i = 0; i < 12; i++) {
 		int match = match_string(date, month_names[i]);
