From 4ed70a930202b103e7e80b8dc925e0aaa4622595 Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@fastmq.commkdir>
Date: Wed, 29 Jul 2009 12:07:54 +0200
Subject: initial commit

---
 src/err.hpp | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/err.hpp

(limited to 'src/err.hpp')

diff --git a/src/err.hpp b/src/err.hpp
new file mode 100644
index 0000000..657eb3d
--- /dev/null
+++ b/src/err.hpp
@@ -0,0 +1,90 @@
+/*
+    Copyright (c) 2007-2009 FastMQ Inc.
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the Lesser GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    Lesser GNU General Public License for more details.
+
+    You should have received a copy of the Lesser GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZS_ERR_HPP_INCLUDED__
+#define __ZS_ERR_HPP_INCLUDED__
+
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "platform.hpp"
+
+#ifdef ZS_HAVE_WINDOWS
+#include "windows.hpp"
+#else
+#include <netdb.h>
+#endif
+
+#ifdef ZS_HAVE_WINDOWS
+
+namespace zs
+{
+
+    const char *wsa_error ();
+    void win_error (char *buffer_, size_t buffer_size_);
+  
+}
+
+//  Provides convenient way to check WSA-style errors on Windows.
+#define wsa_assert(x) do { if (!(x)){\
+    const char *errstr = zs::wsa_error ();\
+    if (errstr != NULL) {\
+    fprintf (stderr, "Assertion failed: %s (%s:%d)\n", errstr, \
+        __FILE__, __LINE__);\
+        abort ();\
+    }\
+}} while (false)
+
+//  Provides convenient way to check GetLastError-style errors on Windows.
+#define win_assert(x) do { if (!(x)) {\
+    char errstr [256];\
+    zs::win_error (errstr, 256);\
+    fprintf (stderr, "Assertion failed: %s (%s:%d)\n", errstr, \
+        __FILE__, __LINE__);\
+    abort ();\
+}} while (false)
+
+#endif
+
+//  This macro works in exactly the same way as the normal assert. It is used
+//  in its stead because standard assert on Win32 in broken - it prints nothing
+//  when used within the scope of JNI library.
+#define zs_assert(x) do { if (!(x)){\
+    fprintf (stderr, "Assertion failed: %s (%s:%d)\n", #x, \
+        __FILE__, __LINE__);\
+        abort ();\
+}} while (false) 
+
+//  Provides convenient way to check for errno-style errors.
+#define errno_assert(x) do { if (!(x)) {\
+    perror (NULL);\
+    fprintf (stderr, "%s (%s:%d)\n", #x, __FILE__, __LINE__);\
+    abort ();\
+}} while (false)
+
+// Provides convenient way to check for errors from getaddrinfo.
+#define gai_assert(x) do { if (x) {\
+    const char *errstr = gai_strerror (x);\
+    fprintf (stderr, "%s (%s:%d)\n", errstr, __FILE__, __LINE__);\
+    abort ();\
+}} while (false)
+
+#endif
-- 
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