From 1f338f64a16a2f74a357b2efdcd70ff47979954e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Boh=C3=A1=C4=8Dek?=
 <fandabohacek@gmail.com>
Date: Fri, 18 Jun 2021 10:41:09 +0200
Subject: [PATCH] refactor: add errors to enum

---
 image-viewer/src/main.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/image-viewer/src/main.c b/image-viewer/src/main.c
index 56ee859..9590135 100644
--- a/image-viewer/src/main.c
+++ b/image-viewer/src/main.c
@@ -24,6 +24,11 @@
 #include "serialize_lock.h"
 #include "mzapo_rgb_led.h"
 
+typedef enum {
+  SUCCESS,
+  TOO_FEW_ARGUMENTS,
+  IMAGE_ERROR
+} error_t;
 
 int main(int argc, char *argv[])
 {
@@ -48,7 +53,7 @@ int main(int argc, char *argv[])
   if (argc < 2) {
     logger_error(&logger, __FILE__, __FUNCTION__, __LINE__, "Not enough arguments.");
     rgb_led_set_red(&led, LED_LEFT);
-    return 1;
+    return TOO_FEW_ARGUMENTS;
   }
 
   logger_debug(&logger, __FILE__, __FUNCTION__, __LINE__,
@@ -71,7 +76,7 @@ int main(int argc, char *argv[])
   if (viewer.error != IMERR_SUCCESS) {
     logger_error(&logger, __FILE__, __FUNCTION__, __LINE__, "Could not load image %d", viewer.error);
     rgb_led_set_red(&led, LED_RIGHT);
-    return 1;
+    return IMAGE_ERROR;
   }
 
   logger_info(&logger, __FILE__, __FUNCTION__, __LINE__,
@@ -102,5 +107,5 @@ int main(int argc, char *argv[])
               argv[1]);
 
   ledstrip_clear(&ledstrip);
-  return 0;
+  return SUCCESS;
 }
-- 
2.48.1