00001 /* ==================================================================== 00002 * The Kannel Software License, Version 1.0 00003 * 00004 * Copyright (c) 2001-2008 Kannel Group 00005 * Copyright (c) 1998-2001 WapIT Ltd. 00006 * All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Kannel Group (http://www.kannel.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "Kannel" and "Kannel Group" must not be used to 00028 * endorse or promote products derived from this software without 00029 * prior written permission. For written permission, please 00030 * contact org@kannel.org. 00031 * 00032 * 5. Products derived from this software may not be called "Kannel", 00033 * nor may "Kannel" appear in their name, without prior written 00034 * permission of the Kannel Group. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE KANNEL GROUP OR ITS CONTRIBUTORS 00040 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 00041 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00042 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 00043 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00044 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 00045 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 00046 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00047 * ==================================================================== 00048 * 00049 * This software consists of voluntary contributions made by many 00050 * individuals on behalf of the Kannel Group. For more information on 00051 * the Kannel Group, please see <http://www.kannel.org/>. 00052 * 00053 * Portions of this software are based upon software originally written at 00054 * WapIT Ltd., Helsinki, Finland for the Kannel project. 00055 */ 00056 00057 /* 00058 * protected.h - thread-safe versions of standard library functions 00059 * 00060 * The standard (or commonly available) C library functions are not always 00061 * thread-safe, or re-entrant. This module provides wrappers. The wrappers 00062 * are not always the most efficient, but the interface is meant to 00063 * allow a more efficient version be implemented later. 00064 * 00065 * Lars Wirzenius 00066 */ 00067 00068 #ifndef PROTECTED_H 00069 #define PROTECTED_H 00070 00071 #include <netdb.h> 00072 #include <time.h> 00073 00074 void gwlib_protected_init(void); 00075 void gwlib_protected_shutdown(void); 00076 struct tm gw_localtime(time_t t); 00077 struct tm gw_gmtime(time_t t); 00078 time_t gw_mktime(struct tm *tm); 00079 int gw_rand(void); 00080 int gw_gethostbyname(struct hostent *ret, const char *name, char **buff); 00081 size_t gw_strftime(char *s, size_t max, const char *format, const struct tm *tm); 00082 00083 /* 00084 * Make it harder to use these by mistake. 00085 */ 00086 00087 #undef localtime 00088 #define localtime(t) do_not_use_localtime_directly 00089 00090 #undef gmtime 00091 #define gmtime(t) do_not_use_gmtime_directly 00092 00093 #undef mktime 00094 #define mktime(t) do_not_use_mktime_directly 00095 00096 #undef strftime 00097 #define strftime(a, b, c, d) do_not_use_strftime_directly 00098 00099 #undef rand 00100 #define rand() do_not_use_rand_directly 00101 00102 #undef gethostbyname 00103 #define gethostbyname(a, b, c) do_not_use_gethostbyname_directly 00104 00105 #undef inet_ntoa 00106 #define inet_ntoa(in) use_gw_netaddr_to_octstr_instead_of_inet_ntoa 00107 00108 00109 #endif