From 40b5936691fe2448dea0080e2319cc340bc7c65c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Fri, 27 Jun 2003 14:56:12 +0000
Subject: * Realisation of Derive(...) expressions.

---
 src/util.cc | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'src/util.cc')

diff --git a/src/util.cc b/src/util.cc
index c6a0c1199..a042a65b0 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -11,10 +11,15 @@
 string thisSystem = SYSTEM;
 
 
-SysError::SysError(string msg)
+Error::Error(const format & f)
+{
+    err = f.str();
+}
+
+
+SysError::SysError(const format & f)
+    : Error(format("%1%: %2%") % f.str() % strerror(errno))
 {
-    char * sysMsg = strerror(errno);
-    err = msg + ": " + sysMsg;
 }
 
 
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