diff --git a/kernel/params.c b/kernel/params.c
index 22df3e0..8217889 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -67,20 +67,27 @@
 	}
 }
 
-static inline char dash2underscore(char c)
+static char dash2underscore(char c)
 {
 	if (c == '-')
 		return '_';
 	return c;
 }
 
-static inline int parameq(const char *input, const char *paramname)
+bool parameqn(const char *a, const char *b, size_t n)
 {
-	unsigned int i;
-	for (i = 0; dash2underscore(input[i]) == paramname[i]; i++)
-		if (input[i] == '\0')
-			return 1;
-	return 0;
+	size_t i;
+
+	for (i = 0; i < n; i++) {
+		if (dash2underscore(a[i]) != dash2underscore(b[i]))
+			return false;
+	}
+	return true;
+}
+
+bool parameq(const char *a, const char *b)
+{
+	return parameqn(a, b, strlen(a)+1);
 }
 
 static int parse_one(char *param,