Move the command line handling of dmidecode to a separate source file.

1 files changed, 131 insertions, 0 deletions

diff --git a/dmiopt.c b/dmiopt.c
new file mode 100644
index 0000000..9e03abf
--- /dev/null
+++ b/dmiopt.c
@@ -0,0 +1,131 @@
+/*
+ * Command line handling of dmidecode
+ * This file is part of the dmidecode project.
+ *
+ *   (C) 2005 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 <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include "config.h"
+#include "types.h"
+#include "dmiopt.h"
+
+/* Options are global */
+struct opt opt;
+
+static u8 *parse_opt_type(u8 *p, const char *arg)
+{
+	/* Allocate memory on first call only */
+	if(p==NULL)
+	{
+		p=(u8 *)calloc(256, sizeof(u8));
+		if(p==NULL)
+		{
+			perror("calloc");
+			return NULL;
+		}
+	}
+
+	while(*arg!='\0')
+	{
+		unsigned long val;
+		char *next;
+
+		val=strtoul(arg, &next, 0);
+		if(next==arg)
+		{
+			fprintf(stderr, "Invalid type: %s\n", arg);
+			goto exit_free;
+		}
+		if(val>0xff)
+		{
+			fprintf(stderr, "Invalid type: %lu\n", val);
+			goto exit_free;
+		}
+
+		p[val]=1;
+		arg=next;
+		while(*arg==',' || *arg==' ')
+			arg++;
+	}
+
+	return p;
+
+exit_free:
+	free(p);
+	return NULL;
+}
+
+/* Return -1 on error, 0 on success */
+int parse_command_line(int argc, char * const argv[])
+{
+	int option;
+	const char *optstring = "d:ht:uV";
+	struct option longopts[]={
+		{ "dev-mem", required_argument, NULL, 'd' },
+		{ "help", no_argument, NULL, 'h' },
+		{ "type", required_argument, NULL, 't' },
+		{ "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 't':
+				opt.type=parse_opt_type(opt.type, optarg);
+				if(opt.type==NULL)
+					return -1;
+				break;
+			case 'u':
+				opt.flags|=FLAG_DUMP;
+				break;
+			case 'V':
+				opt.flags|=FLAG_VERSION;
+				break;
+			case ':':
+			case '?':
+				return -1;
+		}
+
+	return 0;
+}
+
+void print_help(void)
+{
+	static const char *help=
+		"Usage: dmidecode [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"
+		" -t, --type T1[,T2...]  Only display the entries of given type(s)\n"
+		" -u, --dump             Do not decode the entries\n"
+		" -V, --version          Display the version and exit\n";
+	
+	printf("%s", help);
+}