From e959d8c160d3e6729a2bb9bd7233bb06a597b294 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@des.no>
Date: Mon, 15 Dec 2014 16:12:29 +0000
Subject: [PATCH] Consistently use UINT_MAX, not -1, to indicate an invalid
 response.

git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@848 185d5e19-27fe-0310-9dcf-9bff6b9f3609
---
 lib/liboath/oath_hotp.c | 7 ++++---
 lib/liboath/oath_totp.c | 7 ++++---
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/lib/liboath/oath_hotp.c b/lib/liboath/oath_hotp.c
index 20f34ba..f22c83a 100644
--- a/lib/liboath/oath_hotp.c
+++ b/lib/liboath/oath_hotp.c
@@ -36,6 +36,7 @@
 #include <openssl/evp.h>
 #include <openssl/hmac.h>
 
+#include <limits.h>
 #include <stdint.h>
 #include <string.h>
 
@@ -98,11 +99,11 @@ oath_hotp_current(struct oath_key *k)
 	unsigned int code;
 
 	if (k == NULL)
-		return (-1);
+		return (UINT_MAX);
 	if (k->mode != om_hotp)
-		return (-1);
+		return (UINT_MAX);
 	if (k->counter == UINT64_MAX)
-		return (-1);
+		return (UINT_MAX);
 	code = oath_hotp(k->key, k->keylen, k->counter, k->digits);
 	k->counter += 1;
 	return (code);
diff --git a/lib/liboath/oath_totp.c b/lib/liboath/oath_totp.c
index 14ede3e..baf81ef 100644
--- a/lib/liboath/oath_totp.c
+++ b/lib/liboath/oath_totp.c
@@ -33,6 +33,7 @@
 # include "config.h"
 #endif
 
+#include <limits.h>
 #include <stdint.h>
 #include <string.h>
 #include <time.h>
@@ -57,11 +58,11 @@ oath_totp_current(const struct oath_key *k)
 	uint64_t seq;
 
 	if (k == NULL)
-		return (-1);
+		return (UINT_MAX);
 	if (k->mode != om_totp)
-		return (-1);
+		return (UINT_MAX);
 	if (k->timestep == 0)
-		return (-1);
+		return (UINT_MAX);
 	seq = time(NULL) / k->timestep;
 	code = oath_hotp(k->key, k->keylen, seq, k->digits);
 	return (code);