From fcd0f1747c3f9c2c1f62f6599bf6ec1ccabb7ac9 Mon Sep 17 00:00:00 2001
From: Lucas <lucas@domain.invalid>
Date: Fri, 12 Feb 2021 01:38:22 +0000
Subject: [PATCH] Rename step -> period

---
 cli.c | 16 ++++++++--------
 otp.c |  4 ++--
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/cli.c b/cli.c
index c758859..d544f0d 100644
--- a/cli.c
+++ b/cli.c
@@ -33,7 +33,7 @@ usage(void)
 {
 	fprintf(stderr, "Usage:\n"
 	    "    %s [-d digits] [-h HMAC] -H counter SECRET\n"
-	    "    %s [-d digits] [-h HMAC] [-s step] [-T counter] SECRET\n",
+	    "    %s [-d digits] [-h HMAC] [-p period] [-T counter] SECRET\n",
 	    __progname, __progname);
 	exit(1);
 }
@@ -46,7 +46,7 @@ main(int argc, char *argv[])
 	size_t key_len, linesz;
 	ssize_t linelen;
 	uint64_t counter;
-	unsigned int step;
+	unsigned int period;
 	int32_t r;
 	int ch, digits, do_hotp, do_totp;
 	enum otp_hmac hmac;
@@ -55,8 +55,8 @@ main(int argc, char *argv[])
 	digits = 6;
 	do_hotp = do_totp = 0;
 	hmac = OTP_HMAC_SHA1;
-	step = 30;
-	while ((ch = getopt(argc, argv, "d:H:h:s:T:")) != -1) {
+	period = 30;
+	while ((ch = getopt(argc, argv, "d:H:h:p:T:")) != -1) {
 		switch (ch) {
 		case 'd':
 			digits = strtonum(optarg, 6, 10, &errstr);
@@ -79,10 +79,10 @@ main(int argc, char *argv[])
 			else
 				usage();
 			break;
-		case 's':
-			step = strtonum(optarg, 1, UINT_MAX, &errstr);
+		case 'p':
+			period = strtonum(optarg, 1, UINT_MAX, &errstr);
 			if (errstr != NULL)
-				errx(1, "step is %s: %s", errstr, optarg);
+				errx(1, "period is %s: %s", errstr, optarg);
 			break;
 		case 'T':
 			counter = strtonum(optarg, 0, LLONG_MAX, &errstr);
@@ -128,7 +128,7 @@ main(int argc, char *argv[])
 			errx(1, "couldn't calculate HOTP");
 		printf("%0*" PRId32 "\n", digits, r);
 	} else {
-		r = totp(hmac, key, key_len, counter, step, digits);
+		r = totp(hmac, key, key_len, counter, period, digits);
 		if (r == -1)
 			errx(1, "couldn't calculate TOTP");
 		printf("%0*" PRId32 "\n", digits, r);
diff --git a/otp.c b/otp.c
index 05316bc..2b5f8ba 100644
--- a/otp.c
+++ b/otp.c
@@ -93,7 +93,7 @@ hotp(enum otp_hmac hmac, const void *key, size_t key_len, uint64_t counter,
 
 int32_t
 totp(enum otp_hmac hmac, const void *key, size_t key_len, uint64_t t,
-    unsigned int step, unsigned int digits)
+    unsigned int period, unsigned int digits)
 {
-	return hotp(hmac, key, key_len, t / step, digits);
+	return hotp(hmac, key, key_len, t / period, digits);
 }