From ccb035ab284dcce968d948a5f04eef96c9cc541d Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sat, 24 Oct 2009 09:08:26 +0000
Subject: Enable Halibut to read a .but file from standard input, by supplying
 the special filename '-'.

[originally from svn r8728]
---
 error.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'error.c')

diff --git a/error.c b/error.c
index 7897d7a..00d007d 100644
--- a/error.c
+++ b/error.c
@@ -393,7 +393,7 @@ static void do_error(int code, va_list ap) {
     if (flags & PREFIX)
 	fputs("halibut: ", stderr);
     if (flags & FILEPOS) {
-	fprintf(stderr, "%s:", fpos.filename);
+	fprintf(stderr, "%s:", fpos.filename ? fpos.filename : "<standard input>");
 	if (fpos.line > 0)
 	    fprintf(stderr, "%d:", fpos.line);
 	if (fpos.col > 0)
-- 
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