/* * Copyright (c) 2010 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of Apple Inc. ("Apple") nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS CONTRIBUTORS 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. * * Portions of this software have been released under the following terms: * * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC. * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION * * To anyone who acknowledges that this file is provided "AS IS" * without any express or implied warranty: * permission to use, copy, modify, and distribute this file for any * purpose is hereby granted without fee, provided that the above * copyright notices and this notice appears in all source code copies, * and that none of the names of Open Software Foundation, Inc., Hewlett- * Packard Company or Digital Equipment Corporation be used * in advertising or publicity pertaining to distribution of the software * without specific, written prior permission. Neither Open Software * Foundation, Inc., Hewlett-Packard Company nor Digital * Equipment Corporation makes any representations about the suitability * of this software for any purpose. * * Copyright (c) 2007, Novell, Inc. All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of Novell Inc. nor the names of its contributors * may be used to endorse or promote products derived from this * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDERS OR CONTRIBUTORS 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. * * @APPLE_LICENSE_HEADER_END@ */ #include <config.h> #include "dcethread-debug.h" #include <stdarg.h> #include <stdlib.h> #include <stdio.h> #include <pthread.h> pthread_mutex_t log_lock = PTHREAD_MUTEX_INITIALIZER; void dcethread__default_log_callback (const char* file, unsigned int line, int level, const char* str, void* data ATTRIBUTE_UNUSED) { const char* level_name = NULL; switch (level) { case DCETHREAD_DEBUG_ERROR: level_name = "ERROR"; break; case DCETHREAD_DEBUG_WARNING: level_name = "WARNING"; break; case DCETHREAD_DEBUG_INFO: level_name = "INFO"; break; case DCETHREAD_DEBUG_VERBOSE: level_name = "VERBOSE"; break; case DCETHREAD_DEBUG_TRACE: level_name = "TRACE"; break; default: level_name = "UNKNOWN"; break; } pthread_mutex_lock(&log_lock); fprintf(stderr, "dcethread-%s %s:%i: %s\n", level_name, file, line, str); if (level == DCETHREAD_DEBUG_ERROR) abort(); pthread_mutex_unlock(&log_lock); } static void (*log_callback) (const char* file, unsigned int line, int level, const char* str, void* data) = NULL; static void *log_callback_data = NULL; void dcethread__debug_set_callback(void (*cb) (const char*, unsigned int, int, const char*, void* data), void* data) { log_callback = cb; log_callback_data = data; } #ifndef HAVE_VASPRINTF static char * my_vasprintf(const char* format, va_list args) { char *smallBuffer; unsigned int bufsize; int requiredLength; int newRequiredLength; char* outputString = NULL; va_list args2; va_copy(args2, args); bufsize = 4; /* Use a small buffer in case libc does not like NULL */ do { smallBuffer = malloc(bufsize); if (!smallBuffer) { return NULL; } requiredLength = vsnprintf(smallBuffer, bufsize, format, args); if (requiredLength < 0) { bufsize *= 2; } free(smallBuffer); } while (requiredLength < 0); if (requiredLength >= (int)(0xFFFFFFFF - 1)) { return NULL; } outputString = malloc(requiredLength + 2); if (!outputString) { return NULL; } newRequiredLength = vsnprintf(outputString, requiredLength + 1, format, args2); if (newRequiredLength < 0) { free(outputString); return NULL; } va_end(args2); return outputString; } #endif /* HAVE_VASPRINTF */ void dcethread__debug_printf(const char* file, unsigned int line, int level, const char* fmt, ...) { va_list ap; char* str = NULL; if (!log_callback) return; va_start(ap, fmt); #if HAVE_VASPRINTF vasprintf(&str, fmt, ap); #else str = my_vasprintf(fmt, ap); #endif if (str) { log_callback(file, line, level, str, log_callback_data); free(str); } va_end(ap); }