Adding upstream version 2.4.1.upstream/2.4.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/lib/exceptions/exceptions.cc b/src/lib/exceptions/exceptions.cc
new file mode 100644
index 0000000..bc0d83a
--- /dev/null
+++ b/src/lib/exceptions/exceptions.cc
@@ -0,0 +1,55 @@
+// Copyright (C) 2009-2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <string>
+#include <sstream>
+#include <exceptions/exceptions.h>
+
+using isc::Exception;
+
+namespace isc {
+
+Exception::Exception(const char* file, size_t line, const char* what)
+: file_(file), line_(line), what_(what) {
+    std::stringstream location;
+    location << what_ << "[" << file_ << ":" << line_ << "]";
+    verbose_what_ = location.str();
+}
+
+Exception::Exception(const char* file, size_t line, const std::string& what)
+    : file_(file), line_(line), what_(what) {
+    std::stringstream location;
+    location << what_ << "[" << file_ << ":" << line_ << "]";
+    verbose_what_ = location.str();
+}
+
+const char*
+Exception::what() const throw() {
+    return (what(false));
+}
+
+const char*
+Exception::what(bool verbose) const throw() {
+
+    // Even though it's very unlikely that c_str() throws an exception,
+    // it's still not 100% guaranteed.  To meet the exception specification
+    // of this function, we catch any unexpected exception and fall back to
+    // the pre-defined constant.
+    try {
+        if (verbose) {
+            return (verbose_what_.c_str());
+        } else {
+            return (what_.c_str());
+        }
+    } catch (...) {
+        // no exception handling is necessary.  just have to catch exceptions.
+    }
+    return ("isc::Exception");
+}
+
+}