From 0a1ff035421d5f97675ad769a7fcdbc68399f3dc Mon Sep 17 00:00:00 2001
From: Johann Klähn <kljohann@gmail.com>
Date: Tue, 8 Jan 2013 23:20:08 +0100
Subject: fix bug 788: behaviour of source_context for '-f -'

`session_t::read_data` did not set context.pathname to `/dev/stdin`
for the special case `-f -`. I chose to adjust `source_context` too
as there is no sensible context if no file name is provided.
---
 src/error.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/error.cc')

diff --git a/src/error.cc b/src/error.cc
index 58339db7..d7e92daa 100644
--- a/src/error.cc
+++ b/src/error.cc
@@ -84,7 +84,7 @@ string source_context(const path&            file,
                       const string&          prefix)
 {
   const std::streamoff len = end_pos - pos;
-  if (! len || file == path("/dev/stdin"))
+  if (! len || file == path("/dev/stdin") || file.empty())
     return _("<no source context>");
 
   assert(len > 0);
-- 
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