From d33c138164d069f025439f97920771f1f8c7775e Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Thu, 2 Apr 2015 22:04:17 +0200
Subject: Rustup

---
 src/x11/headless.rs | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

(limited to 'src/x11/headless.rs')

diff --git a/src/x11/headless.rs b/src/x11/headless.rs
index e23dfa7..291f04d 100644
--- a/src/x11/headless.rs
+++ b/src/x11/headless.rs
@@ -5,12 +5,6 @@ use libc;
 use std::{mem, ptr};
 use super::ffi;
 
-fn with_c_str<F, T>(s: &str, f: F) -> T where F: FnOnce(*const libc::c_char) -> T {
-    use std::ffi::CString;
-    let c_str = CString::from_slice(s.as_bytes());
-    f(c_str.as_ptr())    
-}
-
 pub struct HeadlessContext {
     context: ffi::OSMesaContext,
     buffer: Vec<u32>,
@@ -53,9 +47,9 @@ impl HeadlessContext {
 
     pub fn get_proc_address(&self, addr: &str) -> *const () {
         unsafe {
-            with_c_str(addr, |s| {
-                ffi::OSMesaGetProcAddress(mem::transmute(s)) as *const ()
-            })
+            use std::ffi::CString;
+            let c_str = CString::new(addr.as_bytes().to_vec()).unwrap();
+            ffi::OSMesaGetProcAddress(mem::transmute(c_str.as_ptr())) as *const ()
         }
     }
 
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