/*
* Copyright (c) 2012-2013 Vojtech Horky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
* Formatting and processing of failed assertion messages.
*
* We are using static buffers to prevent any calls to malloc()/free()
* by the testing framework.
*/
/*
* We need _BSD_SOURCE because of vsnprintf() when compiling under C89.
* In newer versions of features.h, _DEFAULT_SOURCE must be defined as well.
*/
#define _BSD_SOURCE
#define _DEFAULT_SOURCE
#include "internal.h"
#pragma warning(push, 0)
#include <setjmp.h>
#include <stdarg.h>
#include <stdio.h>
#pragma warning(pop)
/** Maximum length of failed-assert message. */
#define MAX_MESSAGE_LENGTH 256
/** How many assertion messages we need to keep in memory at once. */
#define MESSAGE_BUFFER_COUNT 2
/** Assertion message buffers. */
static char message_buffer[MESSAGE_BUFFER_COUNT][MAX_MESSAGE_LENGTH + 1];
/** Currently active assertion buffer. */
static int message_buffer_index = 0;
void pcut_failed_assertion_fmt(const char *filename, int line, const char *fmt, ...) {
va_list args;
char *current_buffer = message_buffer[message_buffer_index];
size_t offset = 0;
message_buffer_index = (message_buffer_index + 1) % MESSAGE_BUFFER_COUNT;
pcut_snprintf(current_buffer, MAX_MESSAGE_LENGTH, "%s:%d: ", filename, line);
offset = pcut_str_size(current_buffer);
if (offset + 1 < MAX_MESSAGE_LENGTH) {
va_start(args, fmt);
vsnprintf(current_buffer + offset, MAX_MESSAGE_LENGTH - offset, fmt, args);
va_end(args);
}
pcut_failed_assertion(current_buffer);
}