From 94b55d3fa046523e13de9df1c2fb39280f4842e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Wed, 27 Apr 2011 00:57:16 +0200
Subject: [PATCH] Gracefully handle `setlocale' errors at the REPL.

* module/ice-9/top-repl.scm (top-repl): Catch exceptions from
  `setlocale'.  Reported by CRLF0710 <crlf0710@gmail.com>.
---
 module/ice-9/top-repl.scm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/module/ice-9/top-repl.scm b/module/ice-9/top-repl.scm
index 64c023997..d43436c4a 100644
--- a/module/ice-9/top-repl.scm
+++ b/module/ice-9/top-repl.scm
@@ -65,7 +65,14 @@
     (call-with-sigint
      (lambda ()
        (and (defined? 'setlocale)
-            (setlocale LC_ALL ""))
+            (catch 'system-error
+              (lambda ()
+                (setlocale LC_ALL ""))
+              (lambda (key subr fmt args errno)
+                (format (current-error-port)
+                        "warning: failed to install locale: ~a~%"
+                        (strerror (car errno))))))
+
        (let ((status (start-repl 'scheme)))
          (run-hook exit-hook)
          status)))))