/* * 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); }