From 0b416e14c31d5588ba4e3a05fc9136abdb2dd740 Mon Sep 17 00:00:00 2001
From: Syrus <me@syrusakbary.com>
Date: Tue, 11 Jun 2019 17:36:13 +0200
Subject: [PATCH] Improved syscall220 debug

---
 lib/emscripten/src/syscalls/mod.rs  | 5 -----
 lib/emscripten/src/syscalls/unix.rs | 2 ++
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/emscripten/src/syscalls/mod.rs b/lib/emscripten/src/syscalls/mod.rs
index a65cf48b5..93e41cb69 100644
--- a/lib/emscripten/src/syscalls/mod.rs
+++ b/lib/emscripten/src/syscalls/mod.rs
@@ -631,11 +631,6 @@ pub fn ___syscall218(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
     -1
 }
 
-pub fn ___syscall220(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
-    debug!("emscripten::___syscall220");
-    -1
-}
-
 // fcntl64
 pub fn ___syscall221(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_int {
     debug!("emscripten::___syscall221 (fcntl64) {}", _which);
diff --git a/lib/emscripten/src/syscalls/unix.rs b/lib/emscripten/src/syscalls/unix.rs
index e5b3acb63..d167953fb 100644
--- a/lib/emscripten/src/syscalls/unix.rs
+++ b/lib/emscripten/src/syscalls/unix.rs
@@ -74,6 +74,7 @@ use libc::{
     SO_REUSEADDR,
     TIOCGWINSZ,
 };
+use std::ffi::CStr;
 use wasmer_runtime_core::vm::Ctx;
 
 use crate::utils;
@@ -878,6 +879,7 @@ pub fn ___syscall220(ctx: &mut Ctx, _which: i32, mut varargs: VarArgs) -> i32 {
                 i += 1;
             }
             *(dirp.add(pos + 19 + i) as *mut i8) = 0 as i8;
+            debug!("  => file {}", CStr::from_ptr((dirp.add(pos + 19) as *const i8)).to_str().unwrap());
         }
         pos += offset;
     }