REFACTOR: Completely remade the error handling format. Using pre-defined

error codes and error messages to make it easier to debug problems.

include/image/imgio.h

@@ -19,7 +19,7 @@ void
 transcode_to_jpeg(PPM* in, JPEG* out);
 
 void
-transcode_to_ppm(JPEG* input, PPM* out);
+transcode_to_ppm(JPEG* in, PPM* out);
 
 PPM
 inherit_from_jpeg(const JPEG* in, const char fmt);

include/image/utils.h

@@ -21,6 +21,22 @@
 #define SHIFT_16 16 /**< Constant shift of 16-Bits */
 #define SHIFT_24 24 /**< Constant shift of 24-Bits */
 
+#define SUCCESS 0
+
+#define FAILURE 1
+#define ERR_BUF_NULL 20
+#define ERR_FILE_NULL 21
+#define ERR_INVALID_SIZE 22
+#define ERR_CREATION_FAIL 23
+#define ERR_IMG_NULL 24
+#define ERR_IMG_NAME_INVALID 25
+#define ERR_JHEADER 26
+
+extern const char* error_messages[];
+
+#define LOG(msg) printf("LOG: %s\n", msg)
+#define LOGERROR(error_code) printf("ERROR: %s\n", error_messages[error_code])
+
 /**
  *
  * @brief Max value for any channel