From 723024faf087b48ba8b93db6821bb17f52751120 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <jff@merkur>
Date: Mon, 19 May 2014 19:33:50 +0200
Subject: Imported Upstream version 2.12

---
 vpdopt.c | 157 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 vpdopt.c

(limited to 'vpdopt.c')

diff --git a/vpdopt.c b/vpdopt.c
new file mode 100644
index 0000000..021ade2
--- /dev/null
+++ b/vpdopt.c
@@ -0,0 +1,157 @@
+/*
+ * Command line handling of vpddecode
+ * This file is part of the dmidecode project.
+ *
+ *   Copyright (C) 2005-2007 Jean Delvare <khali@linux-fr.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include "config.h"
+#include "util.h"
+#include "vpdopt.h"
+
+
+/* Options are global */
+struct opt opt;
+
+
+/*
+ * Handling of option --string
+ */
+
+/* This lookup table could admittedly be reworked for improved performance.
+   Due to the low count of items in there at the moment, it did not seem
+   worth the additional code complexity though. */
+static const struct string_keyword opt_string_keyword[] = {
+	{ "bios-build-id", 0x0D, 9 },
+	{ "box-serial-number", 0x16, 7 },
+	{ "motherboard-serial-number", 0x1D, 11 },
+	{ "machine-type-model", 0x28, 7 },
+	{ "bios-release-date", 0x30, 8 },
+};
+
+static void print_opt_string_list(void)
+{
+	unsigned int i;
+
+	fprintf(stderr, "Valid string keywords are:\n");
+	for (i = 0; i < ARRAY_SIZE(opt_string_keyword); i++)
+	{
+		fprintf(stderr, "  %s\n", opt_string_keyword[i].keyword);
+	}
+}
+
+static int parse_opt_string(const char *arg)
+{
+	unsigned int i;
+
+	if (opt.string)
+	{
+		fprintf(stderr, "Only one string can be specified\n");
+		return -1;
+	}
+
+	for (i = 0; i<ARRAY_SIZE(opt_string_keyword); i++)
+	{
+		if (!strcasecmp(arg, opt_string_keyword[i].keyword))
+		{
+			opt.string = &opt_string_keyword[i];
+			return 0;
+		}
+	}
+
+	fprintf(stderr, "Invalid string keyword: %s\n", arg);
+	print_opt_string_list();
+	return -1;
+}
+
+
+/*
+ * Command line options handling
+ */
+
+/* Return -1 on error, 0 on success */
+int parse_command_line(int argc, char * const argv[])
+{
+	int option;
+	const char *optstring = "d:hs:uV";
+	struct option longopts[] = {
+		{ "dev-mem", required_argument, NULL, 'd' },
+		{ "help", no_argument, NULL, 'h' },
+		{ "string", required_argument, NULL, 's' },
+		{ "dump", no_argument, NULL, 'u' },
+		{ "version", no_argument, NULL, 'V' },
+		{ 0, 0, 0, 0 }
+	};
+
+	while ((option = getopt_long(argc, argv, optstring, longopts, NULL)) != -1)
+		switch (option)
+		{
+			case 'd':
+				opt.devmem = optarg;
+				break;
+			case 'h':
+				opt.flags |= FLAG_HELP;
+				break;
+			case 's':
+				if (parse_opt_string(optarg) < 0)
+					return -1;
+				opt.flags |= FLAG_QUIET;
+				break;
+			case 'u':
+				opt.flags |= FLAG_DUMP;
+				break;
+			case 'V':
+				opt.flags |= FLAG_VERSION;
+				break;
+			case '?':
+				switch (optopt)
+				{
+					case 's':
+						fprintf(stderr, "String keyword expected\n");
+						print_opt_string_list();
+						break;
+				}
+				return -1;
+		}
+
+	if ((opt.flags & FLAG_DUMP) && opt.string != NULL)
+	{
+		fprintf(stderr, "Options --string and --dump are mutually exclusive\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+void print_help(void)
+{
+	static const char *help =
+		"Usage: vpddecode [OPTIONS]\n"
+		"Options are:\n"
+		" -d, --dev-mem FILE     Read memory from device FILE (default: " DEFAULT_MEM_DEV ")\n"
+		" -h, --help             Display this help text and exit\n"
+		" -s, --string KEYWORD   Only display the value of the given VPD string\n"
+		" -u, --dump             Do not decode the VPD records\n"
+		" -V, --version          Display the version and exit\n";
+
+	printf("%s", help);
+}
-- 
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