From 8f5d77d5e4d979acf21507c0e764a11709de8db5 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael+x200@stapelberg.de>
Date: Tue, 7 Oct 2008 15:33:54 +0200
Subject: Add option parsing via getopt, cleanup Makefile

---
 Makefile     | 15 +++++++++++----
 config.c     |  2 +-
 wmiistatus.c | 16 ++++++++++++++--
 3 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index dc58c46..3640b27 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,14 @@
-wmiistatus: wmiistatus.c wmiistatus.h config.h config.c Makefile
-	gcc -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wshadow -Wpointer-arith -Wcast-qual -Wsign-compare -g -c -o wmiistatus.o wmiistatus.c
-	gcc -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wshadow -Wpointer-arith -Wcast-qual -Wsign-compare -g -c -o config.o config.c
-	gcc -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wshadow -Wpointer-arith -Wcast-qual -Wsign-compare -g -o wmiistatus *.o
+CFLAGS+=-Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wshadow -Wpointer-arith -Wcast-qual -Wsign-compare
+CFLAGS+=-g
+CFLAGS+=-DPREFIX=\"\"
+
+wmiistatus: wmiistatus.o wmiistatus.h config.h config.o
+
+clean:
+	rm *.o
+
+distclean: clean
+	rm wmiistatus
 
 install:
 	install -m 755 -d $(DESTDIR)/usr/bin
diff --git a/config.c b/config.c
index aa7973e..da1d387 100644
--- a/config.c
+++ b/config.c
@@ -179,7 +179,7 @@ int load_configuration(const char *configfile) {
 	fclose(handle);
 
 	if (wmii_path == NULL)
-		die("No wmii_path specified in configuration file");
+		exit(-4);
 
 	return result;
 }
diff --git a/wmiistatus.c b/wmiistatus.c
index 714da1a..1dd551e 100644
--- a/wmiistatus.c
+++ b/wmiistatus.c
@@ -49,6 +49,7 @@
 #include <arpa/inet.h>
 #include <glob.h>
 #include <dirent.h>
+#include <getopt.h>
 
 #define _IS_WMIISTATUS_C
 #include "wmiistatus.h"
@@ -323,13 +324,24 @@ static bool process_runs(const char *path) {
 	return (stat(procbuf, &statbuf) >= 0);
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
 	char part[512],
 	     pathbuf[512],
 	     *end;
 	unsigned int i;
 
-	load_configuration("/etc/wmiistatus.conf");
+	char *configfile = PREFIX "/etc/wmiistatus.conf";
+	int o, option_index = 0;
+	struct option long_options[] = {
+		{"config", required_argument, 0, 'c'},
+		{0, 0, 0, 0}
+	};
+
+	while ((o = getopt_long(argc, argv, "c:", long_options, &option_index)) != -1)
+		if ((char)o == 'c')
+			configfile = optarg;
+
+	load_configuration(configfile);
 	cleanup_rbar_dir();
 	if (wlan_interface)
 		create_file(concat(order[ORDER_WLAN],"wlan"));
-- 
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