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/*
Copyright (c) 2007-2011 iMatix Corporation
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser 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
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_ERR_HPP_INCLUDED__
#define __ZMQ_ERR_HPP_INCLUDED__
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "platform.hpp"
#include "likely.hpp"
#ifdef ZMQ_HAVE_WINDOWS
#include "windows.hpp"
#else
#include <netdb.h>
#endif
namespace zmq
{
const char *errno_to_string (int errno_);
}
#ifdef ZMQ_HAVE_WINDOWS
namespace zmq
{
const char *wsa_error ();
const char *wsa_error_no (int no_);
void win_error (char *buffer_, size_t buffer_size_);
void wsa_error_to_errno ();
}
// Provides convenient way to check WSA-style errors on Windows.
#define wsa_assert(x) \
do {\
if (unlikely (!(x))) {\
const char *errstr = zmq::wsa_error ();\
if (errstr != NULL) {\
fprintf (stderr, "Assertion failed: %s (%s:%d)\n", errstr, \
__FILE__, __LINE__);\
abort ();\
}\
}\
} while (false)
// Provides convenient way to assert on WSA-style errors on Windows.
#define wsa_assert_no(no) \
do {\
const char *errstr = zmq::wsa_error_no (no);\
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 (unlikely (!(x))) {\
char errstr [256];\
zmq::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 zmq_assert(x) \
do {\
if (unlikely (!(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 (unlikely (!(x))) {\
perror (NULL);\
fprintf (stderr, "%s (%s:%d)\n", #x, __FILE__, __LINE__);\
abort ();\
}\
} while (false)
// Provides convenient way to check for POSIX errors.
#define posix_assert(x) \
do {\
if (unlikely (x)) {\
fprintf (stderr, "%s (%s:%d)\n", strerror (x), __FILE__, __LINE__);\
abort ();\
}\
} while (false)
// Provides convenient way to check for errors from getaddrinfo.
#define gai_assert(x) \
do {\
if (unlikely (x)) {\
const char *errstr = gai_strerror (x);\
fprintf (stderr, "%s (%s:%d)\n", errstr, __FILE__, __LINE__);\
abort ();\
}\
} while (false)
// Provides convenient way to check whether memory allocation have succeeded.
#define alloc_assert(x) \
do {\
if (unlikely (!x)) {\
fprintf (stderr, "FATAL ERROR: OUT OF MEMORY (%s:%d)\n",\
__FILE__, __LINE__);\
abort ();\
}\
} while (false)
#endif
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