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/* -*- c -*- ------------------------------------------------------------- *
*
* Copyright 2001-2006 H. Peter Anvin - All Rights Reserved
*
* This program is free software available under the same license
* as the "OpenBSD" operating system, distributed at
* http://www.openbsd.org/.
*
* ----------------------------------------------------------------------- */
/* $Id$ */
/*
* config.h
*
* Sets up a common baseline environment, based on "autoconf" findings...
*/
#ifndef CONFIG_H
#define CONFIG_H 1
/* Must be included before we include any system headers! */
#include "aconfig.h" /* autogenerated configuration header */
/* Standard includes */
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#else
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#endif
#ifdef HAVE_MEMORY_H
#ifndef STDC_HEADERS
#include <memory.h>
#endif
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#ifdef HAVE_INTTYPES_H
#ifdef INTTYPES_H_IS_SANE
#include <inttypes.h>
#endif
#else
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SETJMP_H
#include <setjmp.h>
#endif
#ifdef TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif
#ifdef HAVE_GRP_H
#include <grp.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include <errno.h>
#include <signal.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#else
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
extern char *optarg;
extern int optind, opterr, optopt;
#endif
/* Test for EAGAIN/EWOULDBLOCK */
#ifdef EAGAIN
#if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
#define E_WOULD_BLOCK(x) ((x) == EAGAIN || (x) == EWOULDBLOCK)
#else
#define E_WOULD_BLOCK(x) ((x) == EAGAIN)
#endif
#else
#define E_WOULD_BLOCK(x) ((x) == EWOULDBLOCK)
#endif
/* Some broken systems care about text versus binary, but
real Unix systems don't... */
#ifndef HAVE_O_TEXT_DEFINITION
#define O_TEXT 0
#endif
#ifndef HAVE_O_BINARY_DEFINITION
#define O_BINARY 0
#endif
/* If we don't have intmax_t, try creating it */
#ifndef HAVE_INTMAX_T
#ifdef HAVE_LONG_LONG
typedef long long intmax_t;
typedef unsigned long long uintmax_t;
#define PRIdMAX "lld"
#define PRIuMAX "llu"
#define PRIxMAX "llx"
#define INTMAX_C(x) (x##LL)
#define UINTMAX_C(x) (x##ULL)
#else
typedef long intmax_t;
typedef unsigned long uintmax_t;
#define PRIdMAX "ld"
#define PRIuMAX "lu"
#define PRIxMAX "lx"
#define INTMAX_C(x) (x##L)
#define UINTMAX_C(x) (x##UL)
#endif
#endif
/* On some version of AIX, <inttypes.h> is buggy to the point of
unusability. We have to use macros here, not typedefs, to override. */
#ifdef HAVE_INTTYPES_H
#ifndef INTTYPES_H_IS_SANE
#undef PRIdMAX
#undef PRIuMAX
#undef PRIxMAX
#undef INTMAX_C
#undef UINTMAX_C
#undef HAVE_STRTOUMAX
#ifdef HAVE_LONG_LONG
#define intmax_t long long
#define uintmax_t unsigned long long
#define PRIdMAX "Ld"
#define PRIuMAX "Lu"
#define PRIxMAX "Lx"
#define INTMAX_C(x) (x##LL)
#define UINTMAX_C(x) (x##ULL)
#else
#define intmax_t long
#define uintmax_t unsigned long
#define PRIdMAX "ld"
#define PRIuMAX "lu"
#define PRIxMAX "lx"
#define INTMAX_C(x) (x##L)
#define UINTMAX_C(x) (x##UL)
#endif
#endif
#endif
/* Even if intmax_t is defined, we may need this (Solaris 8 braindamage) */
#ifndef HAVE_STRTOUMAX
#if defined(HAVE_LONG_LONG) && defined(HAVE_STRTOULL)
#define strtoumax(p,e,b) ((uintmax_t)strtoull(p,e,b))
#else
#define strtoumax(p,e,b) ((uintmax_t)strtoul(p,e,b))
#endif
#endif
/* A lot of this is old BSD code. Some newer systems don't approve. */
/* The type used by htons(), ntohs() */
#ifndef HAVE_U_SHORT
#ifdef HAVE_UINT16_T
typedef uint16_t u_short;
#else
typedef unsigned short u_short;
#endif
#endif
/* The type used to htonl(), ntohl() */
#ifndef HAVE_U_LONG
#ifdef HAVE_UINT32_T
typedef uint32_t u_long;
#else
typedef unsigned long u_long;
#endif
#endif
/* socklen_t */
#ifndef HAVE_SOCKLEN_T
typedef int socklen_t;
#endif
/* sysexits.h */
#ifdef HAVE_SYSEXITS_H
#include <sysexits.h>
#else
#define EX_USAGE 64 /* command line usage error */
#define EX_DATAERR 65 /* data format error */
#define EX_NOINPUT 66 /* cannot open input */
#define EX_NOUSER 67 /* addressee unknown */
#define EX_NOHOST 68 /* host name unknown */
#define EX_UNAVAILABLE 69 /* service unavailable */
#define EX_SOFTWARE 70 /* internal software error */
#define EX_OSERR 71 /* system error (e.g., can't fork) */
#define EX_OSFILE 72 /* critical OS file missing */
#define EX_CANTCREAT 73 /* can't create (user) output file */
#define EX_IOERR 74 /* input/output error */
#define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */
#define EX_PROTOCOL 76 /* remote error in protocol */
#define EX_NOPERM 77 /* permission denied */
#define EX_CONFIG 78 /* configuration error */
#endif
/* If we don't have sigsetjmp() et all, setjmp() will have to do */
#ifndef HAVE_SIGSETJMP
#define sigsetjmp(x,y) setjmp(x)
#define siglongjmp(x,y) longjmp(x,y)
#define sigjmp_buf jmp_buf
#endif
/* How do we annotate unused data items? */
#ifndef UNUSED
#ifdef __GNUC__
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
#endif
/* netinet/in.h, and possible missing pieces */
#include <netinet/in.h>
#ifndef HAVE_IPPORT_TFTP_DEFINITION
#ifndef IPPORT_TFTP
#define IPPORT_TFTP 69
#endif
#endif
/* arpa/{inet,tftp}.h, and possible missing pieces */
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
/* If we don't have arpa/tftp.h we have problems... */
#include <arpa/tftp.h>
#ifndef OACK
#define OACK 6
#endif
#ifndef EOPTNEG
#define EOPTNEG 8
#endif
/* tftp-hpa version and configuration strings */
#include "version.h"
#ifdef WITH_READLINE
#define WITH_READLINE_STR ", with readline"
#else
#define WITH_READLINE_STR ", without readline"
#endif
#ifdef WITH_REGEX
#define WITH_REGEX_STR ", with remap"
#else
#define WITH_REGEX_STR ", without remap"
#endif
#ifdef HAVE_LIBWRAP
#define HAVE_LIBWRAP_STR ", with tcpwrappers"
#else
#define HAVE_LIBWRAP_STR ", without tcpwrappers"
#endif
#define TFTP_CONFIG_STR VERSION WITH_READLINE_STR
#define TFTPD_CONFIG_STR VERSION WITH_REGEX_STR HAVE_LIBWRAP_STR
#endif
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