From 01117e92c9674fbddd51cb9dd86909641e560166 Mon Sep 17 00:00:00 2001
From: Tomoki Shirasawa <sira@popeye.cc.u-tokyo.ac.jp>
Date: Fri, 25 Dec 2015 15:50:39 +0900
Subject: [PATCH] append file path to symlink if link path is absolute refs
 #643

---
 executer/user/mcexec.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/executer/user/mcexec.c b/executer/user/mcexec.c
index 6fa966e2..fd03064d 100644
--- a/executer/user/mcexec.c
+++ b/executer/user/mcexec.c
@@ -483,7 +483,7 @@ retry:
 	}
 
 	if ((sb.st_mode & S_IFMT) == S_IFLNK) {
-		char *link_path = malloc(max_len);
+		link_path = malloc(max_len);
 		if (!link_path) {
 			fprintf(stderr, "lookup_exec_path(): error allocating\n");
 			return ENOMEM;
@@ -498,6 +498,14 @@ retry:
 
 		__dprintf("lookup_exec_path(): %s is link -> %s\n", path, link_path);
 
+		if(link_path[0] != '/'){
+			char *t = strrchr(path, '/');
+			if(t){
+				t++;
+				strcpy(t, link_path);
+				strcpy(link_path, path);
+			}
+		}
 		filename = link_path;
 		goto retry; 
 	}