From 460d89156f1fcfc9613a578a7c2218308236d212 Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Sun, 20 Mar 2011 19:42:51 -0700
Subject: Add slightly nicer failure message to io.rs when it can't open a
 file.

---
 src/lib/io.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lib/io.rs b/src/lib/io.rs
index a84fbbe9..58cb1f80 100644
--- a/src/lib/io.rs
+++ b/src/lib/io.rs
@@ -108,7 +108,10 @@ fn stdin() -> reader {
 
 fn file_reader(str path) -> reader {
     auto f = os.libc.fopen(_str.buf(path), _str.buf("r"));
-    check (f as uint != 0u);
+    if (f as uint == 0u) {
+        log "error opening " + path;
+        fail;
+    }
     ret FILE_reader(f, true);
 }
 
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