Added a new union called `config_val`.

This is so that I don't have to cast the variable as a
`void *`, and make it easier to read.

I also added `TYPE_NONE` to the `config_type` enum for
denoting that the config option doesn't take a value.

1 files changed, 10 insertions, 2 deletions

diff --git a/config.h b/config.h
index 9993680..5dbc531 100644
--- a/config.h
+++ b/config.h
@@ -2,17 +2,18 @@
 #define CONFIG_H
 
 typedef struct config_opt config_opt;
+typedef union config_val config_val;
 typedef enum config_type config_type;
-typedef void (*config_func)(config_opt *, void *);
+typedef void (*config_func)(config_opt *, config_val);
 
 enum config_type {
 	TYPE_INT,
 	TYPE_STRING,
 	TYPE_FLOAT,
 	TYPE_BOOL,
+	TYPE_NONE,
 };
 
-
 struct config_opt {
 	const char *name;	/* Name of the config option. */
 	const char *desc;	/* Description of the config option. */
@@ -20,6 +21,13 @@ struct config_opt {
 	config_func func;	/* Function of the config option. */
 };
 
+union config_val {
+	int i;		/* Integer. */
+	char *str;	/* String. */
+	float f;	/* Float. */
+	int b : 1;	/* Bool. */
+};
+
 static const config_opt config_opts[] = {
 	/* {"name", "desc", type, &func} */
 	{"git-root", "Root of git server (can also be a url).", TYPE_STRING, &get_git_root},