From f2737f6303b86bcdde64648bb08f0bd434f878cf Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Nov 11 2016 05:22:51 +0000
Subject: mdso.h: enum mdso_custom_error(): definition and integration


---

diff --git a/include/mdso/mdso.h b/include/mdso/mdso.h
index 1cceb7b..d8c5057 100644
--- a/include/mdso/mdso.h
+++ b/include/mdso/mdso.h
@@ -44,6 +44,16 @@ extern "C" {
 #define MDSO_ERROR_CHILD		0x0004
 #define MDSO_ERROR_CUSTOM		0x0008
 
+enum mdso_custom_error {
+	MDSO_ERR_FLOW_ERROR,
+	MDSO_ERR_FLEE_ERROR,
+	MDSO_ERR_NULL_CONTEXT,
+	MDSO_ERR_NULL_SOURCE,
+	MDSO_ERR_INVALID_CONTEXT,
+	MDSO_ERR_INVALID_SOURCE,
+	MDSO_ERR_SOURCE_SIZE_ZERO,
+	MDSO_ERR_CAP,
+};
 
 struct mdso_source_version {
 	int		major;
diff --git a/src/logic/mdso_map_input.c b/src/logic/mdso_map_input.c
index 592aaae..9dbdaff 100644
--- a/src/logic/mdso_map_input.c
+++ b/src/logic/mdso_map_input.c
@@ -42,7 +42,8 @@ int mdso_map_input(
 		return MDSO_SYSTEM_ERROR(dctx);
 
 	else if (st.st_size == 0)
-		return MDSO_CUSTOM_ERROR(dctx,0);
+		return MDSO_CUSTOM_ERROR(
+			dctx,MDSO_ERR_SOURCE_SIZE_ZERO);
 
 	map->size = st.st_size;
 	map->addr = mmap(0,map->size,prot,MAP_PRIVATE,fd,0);