Use enum for urgency

src/notification.c

@@ -38,7 +38,7 @@ void notification_print(notification *n)
         printf("\traw_icon set: %s\n", (n->raw_icon ? "true" : "false"));
         printf("\tcategory: %s\n", n->category);
         printf("\ttimeout: %ld\n", n->timeout/1000);
-        printf("\turgency: %d\n", n->urgency);
+        printf("\turgency: %s\n", notification_urgency_to_string(n->urgency));
         printf("\ttransient: %d\n", n->transient);
         printf("\tformatted: '%s'\n", n->msg);
         printf("\tfg: %s\n", n->color_strings[ColFG]);
@@ -80,21 +80,7 @@ void notification_run_script(notification *n)
         char *body = n->body ? n->body : "";
         char *icon = n->icon ? n->icon : "";
 
-        char *urgency;
-        switch (n->urgency) {
-        case LOW:
-                urgency = "LOW";
-                break;
-        case NORM:
-                urgency = "NORMAL";
-                break;
-        case CRIT:
-                urgency = "CRITICAL";
-                break;
-        default:
-                urgency = "NORMAL";
-                break;
-        }
+        const char *urgency = notification_urgency_to_string(n->urgency);
 
         int pid1 = fork();
 
@@ -121,6 +107,25 @@ void notification_run_script(notification *n)
         }
 }
 
+/*
+ * Helper function to convert an urgency to a string
+ */
+const char *notification_urgency_to_string(enum urgency urgency)
+{
+        switch (urgency) {
+        case NONE:
+                return "NONE";
+        case LOW:
+                return "LOW";
+        case NORM:
+                return "NORMAL";
+        case CRIT:
+                return "CRITICAL";
+        default:
+                return "UNDEF";
+        }
+}
+
 /*
  * Helper function to compare to given
  * notifications.

src/notification.h

@@ -7,12 +7,15 @@
 
 #include "settings.h"
 
-#define LOW 0
-#define NORM 1
-#define CRIT 2
-
 #define DUNST_NOTIF_MAX_CHARS 5000
 
+enum urgency {
+        NONE = -1,
+        LOW = 0,
+        NORM = 1,
+        CRIT = 2,
+};
+
 typedef struct _raw_image {
         int width;
         int height;
@@ -43,7 +46,7 @@ typedef struct _notification {
         gint64 start;
         gint64 timestamp;
         gint64 timeout;
-        int urgency;
+        enum urgency urgency;
         enum markup_mode markup;
         bool redisplayed;       /* has been displayed before? */
         int id;
@@ -74,5 +77,6 @@ void notification_replace_single_field(char **haystack, char **needle, const cha
 void notification_update_text_to_render(notification *n);
 void notification_do_action(notification *n);
 
+const char *notification_urgency_to_string(enum urgency urgency);
 #endif
 /* vim: set tabstop=8 shiftwidth=8 expandtab textwidth=0: */

src/rules.c

@@ -14,7 +14,7 @@ void rule_apply(rule_t *r, notification *n)
 {
         if (r->timeout != -1)
                 n->timeout = r->timeout;
-        if (r->urgency != -1)
+        if (r->urgency != NONE)
                 n->urgency = r->urgency;
         if (r->history_ignore != -1)
                 n->history_ignore = r->history_ignore;
@@ -62,9 +62,9 @@ void rule_init(rule_t *r)
         r->body = NULL;
         r->icon = NULL;
         r->category = NULL;
-        r->msg_urgency = -1;
+        r->msg_urgency = NONE;
         r->timeout = -1;
-        r->urgency = -1;
+        r->urgency = NONE;
         r->markup = MARKUP_NULL;
         r->new_icon = NULL;
         r->history_ignore = false;
@@ -86,6 +86,6 @@ bool rule_matches_notification(rule_t *r, notification *n)
                 && (!r->icon || !fnmatch(r->icon, n->icon, 0))
                 && (!r->category || !fnmatch(r->category, n->category, 0))
                 && (r->match_transient == -1 || (r->match_transient == n->transient))
-                && (r->msg_urgency == -1 || r->msg_urgency == n->urgency));
+                && (r->msg_urgency == NONE || r->msg_urgency == n->urgency));
 }
 /* vim: set tabstop=8 shiftwidth=8 expandtab textwidth=0: */

src/rules.h

@@ -20,7 +20,7 @@ typedef struct _rule_t {
 
         /* actions */
         gint64 timeout;
-        int urgency;
+        enum urgency urgency;
         enum markup_mode markup;
         int history_ignore;
         int match_transient;

src/settings.c

@@ -47,7 +47,7 @@ static enum markup_mode parse_markup_mode(const char *mode)
         }
 }
 
-static int ini_get_urgency(const char *section, const char *key, const int def)
+static enum urgency ini_get_urgency(const char *section, const char *key, const int def)
 {
         int ret = def;
         char *urg = ini_get_string(section, key, "");