From d16f2e55481e2ba667d2b74d387b3a1b6787bde9 Mon Sep 17 00:00:00 2001
From: jsing <jsing@openbsd.org>
Date: Sun, 28 Dec 2014 14:21:42 +0000
Subject: [PATCH] Provide two different function pointers for option function
 callbacks. This allows for simpler code in the common cases and will allow
 for further extension to support the complex cases.

---
 usr.bin/openssl/apps.c    |  6 +++---
 usr.bin/openssl/apps.h    |  5 +++--
 usr.bin/openssl/ecparam.c | 10 +++++-----
 usr.bin/openssl/version.c |  6 +++---
 4 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/usr.bin/openssl/apps.c b/usr.bin/openssl/apps.c
index 009f48652ae..47c418f424d 100644
--- a/usr.bin/openssl/apps.c
+++ b/usr.bin/openssl/apps.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: apps.c,v 1.14 2014/12/14 14:42:06 jsing Exp $ */
+/* $OpenBSD: apps.c,v 1.15 2014/12/28 14:21:42 jsing Exp $ */
 /*
  * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
  *
@@ -2298,7 +2298,7 @@ options_parse(int argc, char **argv, struct option *opts, char **unnamed)
 				break;
 
 			case OPTION_ARG_FUNC:
-				if (opt->func(opt, argv[i]) != 0)
+				if (opt->opt.argfunc(argv[i]) != 0)
 					return (1);
 				break;
 
@@ -2314,7 +2314,7 @@ options_parse(int argc, char **argv, struct option *opts, char **unnamed)
 				break;
 
 			case OPTION_FUNC:
-				if (opt->func(opt, NULL) != 0)
+				if (opt->opt.func() != 0)
 					return (1);
 				break;
 
diff --git a/usr.bin/openssl/apps.h b/usr.bin/openssl/apps.h
index b2b7e851076..b069d2d29bf 100644
--- a/usr.bin/openssl/apps.h
+++ b/usr.bin/openssl/apps.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: apps.h,v 1.9 2014/12/14 14:42:06 jsing Exp $ */
+/* $OpenBSD: apps.h,v 1.10 2014/12/28 14:21:42 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -296,10 +296,11 @@ struct option {
 	} type;
 	union {
 		char **arg;
+		int (*argfunc)(char *arg);
 		int *flag;
+		int (*func)(void);
 		int *value;
 	} opt;
-	int (*func)(struct option *opt, char *arg);
 	const int value;
 };
 
diff --git a/usr.bin/openssl/ecparam.c b/usr.bin/openssl/ecparam.c
index 1441fa7d2ab..57797a8e4e6 100644
--- a/usr.bin/openssl/ecparam.c
+++ b/usr.bin/openssl/ecparam.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ecparam.c,v 1.6 2014/12/14 14:45:33 jsing Exp $ */
+/* $OpenBSD: ecparam.c,v 1.7 2014/12/28 14:21:42 jsing Exp $ */
 /*
  * Written by Nils Larsch for the OpenSSL project.
  */
@@ -111,7 +111,7 @@ static struct {
 } ecparam_config;
 
 static int
-ecparam_opt_form(struct option *opt, char *arg)
+ecparam_opt_form(char *arg)
 {
 	if (strcmp(arg, "compressed") == 0)
 		ecparam_config.form = POINT_CONVERSION_COMPRESSED;
@@ -127,7 +127,7 @@ ecparam_opt_form(struct option *opt, char *arg)
 }
 
 static int
-ecparam_opt_enctype(struct option *opt, char *arg)
+ecparam_opt_enctype(char *arg)
 {
 	if (strcmp(arg, "explicit") == 0)
 		ecparam_config.asn1_flag = 0;
@@ -159,7 +159,7 @@ struct option ecparam_options[] = {
 		.desc = "Specify point conversion form:\n"
 		    "  compressed, uncompressed (default), hybrid",
 		.type = OPTION_ARG_FUNC,
-		.func = ecparam_opt_form,
+		.opt.argfunc = ecparam_opt_form,
 	},
 #ifndef OPENSSL_NO_ENGINE
 	{
@@ -237,7 +237,7 @@ struct option ecparam_options[] = {
 		.desc = "Specify EC parameter ASN.1 encoding type:\n"
 		    "  explicit, named_curve (default)",
 		.type = OPTION_ARG_FUNC,
-		.func = ecparam_opt_enctype,
+		.opt.argfunc = ecparam_opt_enctype,
 	},
 	{
 		.name = "text",
diff --git a/usr.bin/openssl/version.c b/usr.bin/openssl/version.c
index db9c98e977a..953d0c3afea 100644
--- a/usr.bin/openssl/version.c
+++ b/usr.bin/openssl/version.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: version.c,v 1.3 2014/10/13 02:46:14 bcook Exp $ */
+/* $OpenBSD: version.c,v 1.4 2014/12/28 14:21:42 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -145,7 +145,7 @@ static struct {
 } version_config;
 
 static int
-version_all_opts(struct option *opt, char *arg)
+version_all_opts(void)
 {
 	version_config.cflags = 1;
 	version_config.date = 1;
@@ -162,7 +162,7 @@ static struct option version_options[] = {
 		.name = "a",
 		.desc = "All information (same as setting all other flags)",
 		.type = OPTION_FUNC,
-		.func = version_all_opts,
+		.opt.func = version_all_opts,
 	},
 	{
 		.name = "b",
-- 
2.20.1