1/* 2 * Copyright (c) 1984 through 2008, William LeFebvre 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * * Neither the name of William LeFebvre nor the names of other 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include "config.h" 34 35#include <sys/types.h> 36#include <sys/param.h> 37#include <stdio.h> 38 39#ifdef HAVE_LIMITS_H 40#include <limits.h> 41#endif 42 43#if TIME_WITH_SYS_TIME 44# include <sys/time.h> 45# include <time.h> 46#else 47# if HAVE_SYS_TIME_H 48# include <sys/time.h> 49# else 50# include <time.h> 51# endif 52#endif 53 54#ifdef __NetBSD__ 55#include <util.h> 56#else 57#define emalloc malloc 58#define estrdup strdup 59#define ecalloc calloc 60#define erealloc realloc 61#endif 62 63#if STDC_HEADERS 64#include <string.h> 65#include <stdlib.h> 66#define setbuffer(f, b, s) setvbuf((f), (b), (b) ? _IOFBF : _IONBF, (s)) 67#define memzero(a, b) memset((a), 0, (b)) 68#else /* !STDC_HEADERS */ 69#ifndef HAVE_STRCHR 70#define strchr(a, b) index((a), (b)) 71#define strrchr(a, b) rindex((a), (b)) 72#endif /* HAVE_STRCHR */ 73#ifdef HAVE_MEMCPY 74#define memzero(a, b) memset((a), 0, (b)) 75#else 76#define memcpy(a, b, c) bcopy((b), (a), (c)) 77#define memzero(a, b) bzero((a), (b)) 78#define memcmp(a, b, c) bcmp((a), (b), (c)) 79#endif /* HAVE_MEMCPY */ 80#ifdef HAVE_STRINGS_H 81#include <strings.h> 82#else 83#ifdef HAVE_STRING_H 84#include <string.h> 85#endif 86#endif 87char *getenv(); 88caddr_t malloc(); 89#endif /* STDC_HEADERS */ 90 91/* If snprintf or vsnprintf aren't available, we substitute our own. 92 But we have to include stdarg in order to be able to define them. 93*/ 94#ifdef HAVE_STDARG_H 95#include <stdarg.h> 96#ifndef HAVE_SNPRINTF 97int ap_snprintf(char *buf, size_t len, const char *format,...); 98#define snprintf ap_snprintf 99#endif 100#ifndef HAVE_VSNPRINTF 101int ap_vsnprintf(char *buf, size_t len, const char *format,va_list ap); 102#define vsnprintf ap_vsnprintf 103#endif 104#endif 105 106#if !HAVE_PID_T 107typedef long pid_t; 108#endif 109#if !HAVE_TIME_T 110typedef long time_t; 111#endif 112#if !HAVE_UID_T 113typedef long uid_t; 114#endif 115 116#ifndef INT_MAX 117#define INT_MAX (0x7fffffff) 118#endif 119 120#ifndef UINT_MAX 121#define UINT_MAX (0xffffffffU) 122#endif 123 124/* we must have both sighold and sigrelse to use them */ 125#if defined(HAVE_SIGHOLD) && !defined(HAVE_SIGRELSE) 126#undef HAVE_SIGHOLD 127#endif 128 129#ifdef HAVE_UNISTD_H 130#include <unistd.h> 131#endif 132 133#ifdef HAVE_SYSEXITS_H 134#include <sysexits.h> 135#else 136#define EX_OK 0 /* successful termination */ 137#define EX_USAGE 64 /* command line usage error */ 138#define EX_DATAERR 65 /* data format error */ 139#define EX_NOINPUT 66 /* cannot open input */ 140#define EX_NOUSER 67 /* addressee unknown */ 141#define EX_NOHOST 68 /* host name unknown */ 142#define EX_UNAVAILABLE 69 /* service unavailable */ 143#define EX_SOFTWARE 70 /* internal software error */ 144#define EX_OSERR 71 /* system error (e.g., can't fork) */ 145#define EX_OSFILE 72 /* critical OS file missing */ 146#define EX_CANTCREAT 73 /* can't create (user) output file */ 147#define EX_IOERR 74 /* input/output error */ 148#define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */ 149#define EX_PROTOCOL 76 /* remote error in protocol */ 150#define EX_NOPERM 77 /* permission denied */ 151#define EX_CONFIG 78 /* configuration error */ 152#endif 153