Added get and list commands

TODO

@@ -1,4 +1,5 @@
 #Individual device control
-List devices
+#List devices
-Query backlight percentage (get)
+#Query backlight percentage (get)
 allow fade in and fade out
+a lot of cleanup

include/cmd.h

@@ -26,17 +26,6 @@
 #define OP_GET 128
 #define OP_NONE 0
 
-#define GET_LONG_OPT "--get"
-#define GET_SHORT_OPT "-g"
-#define FADE_LONG_OPT "--fade"
-#define FADE_SHORT_OPT "-f"
-#define DEVICE_LONG_OPT "--device"
-#define DEVICE_SHORT_OPT "-d"
-#define LIST_LONG_OPT "--list"
-#define LIST_SHORT_OPT "-l"
-#define HELP_LONG_OPT "--help"
-#define HELP_SHORT_OPT "-h"
-
 struct cmd_arg{
 	const char* lopt;
 	const char* sopt;

src/cmd.c

@@ -23,13 +23,25 @@
 #include "cmd.h"
 #include "common.h"
 
+#define GET_LONG_OPT "--get"
+#define GET_SHORT_OPT "-g"
+#define FADE_LONG_OPT "--fade"
+#define FADE_SHORT_OPT "-f"
+#define DEVICE_LONG_OPT "--device"
+#define DEVICE_SHORT_OPT "-d"
+#define LIST_LONG_OPT "--list"
+#define LIST_SHORT_OPT "-l"
+#define HELP_LONG_OPT "--help"
+#define HELP_SHORT_OPT "-h"
+
+
 #define CHECK_OPTION(opt, arg) (!strcmp(opt##_LONG_OPT, arg) || !strcmp(opt##_SHORT_OPT, arg))
 
 struct cmd_arg rexbacklight_args[] = {
 	{DEVICE_LONG_OPT, DEVICE_SHORT_OPT, "select which device to control"},
 	{FADE_LONG_OPT,   FADE_SHORT_OPT,   "TODO: change brightness over time interval"},
-	{GET_LONG_OPT,    GET_SHORT_OPT,    "TODO: print current brightness level to stdout"},
+	{GET_LONG_OPT,    GET_SHORT_OPT,    "print current brightness level to stdout"},
-	{LIST_LONG_OPT,   LIST_SHORT_OPT,   "TODO: print device names to stdout and exit"},
+	{LIST_LONG_OPT,   LIST_SHORT_OPT,   "print device names to stdout and exit"},
 	{HELP_LONG_OPT,   HELP_SHORT_OPT,   "print this help message and exit"}
 };
 int rexbacklight_args_length = sizeof(rexbacklight_args) / sizeof(rexbacklight_args[0]);

src/rexbacklight.c

@@ -170,10 +170,23 @@ int main(int argc, char** argv){
 				fprintf(stderr, "Unable to open backlight directory \"%s%s\"!\n", backlight_dir, curr->device);
 				continue;
 			}
+			switch(curr->operation){
+				case OP_SET:
+				case OP_INC:
+				case OP_DEC:
 					write_delta(curr);
+					break;
+				case OP_GET:
+					fprintf(stdout, "%s: %f\n", curr->device, get_brightness(backlight_file));
+					break;
+			}
 		}
 	//Otherise, apply delta to all backlights
 	}else{
+		switch(args.operation){
+			case OP_SET:
+			case OP_INC:
+			case OP_DEC:
 				for(int i = 0;i < backlight_names.size;i++){
 					if(chdir(backlight_names.list[i])){
 						fprintf(stderr, "Unable to open backlight directory \"%s%s\"!\n", backlight_dir, backlight_names.list[i]);
@@ -181,6 +194,22 @@ int main(int argc, char** argv){
 					}
 					write_delta(&args);
 				}
+				break;
+			case OP_LIST:
+				for(int i = 0;i < backlight_names.size;i++){
+					fprintf(stdout, "%s\n", backlight_names.list[i]);
+				}
+				break;
+			case OP_GET:
+				for(int i = 0;i < backlight_names.size;i++){
+					if(chdir(backlight_names.list[i])){
+						fprintf(stderr, "Unable to open backlight directory \"%s%s\"!\n", backlight_dir, backlight_names.list[i]);
+						continue;
+					}
+					fprintf(stdout, "%s: %f\n", backlight_names.list[i], get_brightness(backlight_file));
+				}
+				break;
+		}
 	}
 	//Return to start directory
 	if(chdir(starting_dir)){