config.h

   1 /* -*- c -*- ------------------------------------------------------------- *
   2  *
   3  *   Copyright 2001-2006 H. Peter Anvin - All Rights Reserved
   4  *
   5  *   This program is free software available under the same license
   6  *   as the "OpenBSD" operating system, distributed at
   7  *   http://www.openbsd.org/.
   8  *
   9  * ----------------------------------------------------------------------- */
  10 /* $Id$ */
  11
  12 /*
  13  * config.h
  14  *
  15  * Sets up a common baseline environment, based on "autoconf" findings...
  16  */
  17
  18 #ifndef CONFIG_H
  19 #define CONFIG_H 1
  20
  21 /* Must be included before we include any system headers! */
  22 #include "aconfig.h"            /* autogenerated configuration header */
  23
  24 /* Standard includes */
  25
  26 #include <stdio.h>
  27
  28 #ifdef HAVE_SYS_TYPES_H
  29 #include <sys/types.h>
  30 #endif
  31
  32 #ifdef HAVE_SYS_STAT_H
  33 #include <sys/stat.h>
  34 #endif
  35
  36 #ifdef STDC_HEADERS
  37 #include <stdlib.h>
  38 #include <stddef.h>
  39 #else
  40 #ifdef HAVE_STDLIB_H
  41 #include <stdlib.h>
  42 #endif
  43 #endif
  44
  45 #ifdef HAVE_MEMORY_H
  46 #ifndef STDC_HEADERS
  47 #include <memory.h>
  48 #endif
  49 #endif
  50
  51 #ifdef HAVE_STRING_H
  52 #include <string.h>
  53 #endif
  54
  55 #ifdef HAVE_STRINGS_H
  56 #include <strings.h>
  57 #endif
  58
  59 #ifdef HAVE_INTTYPES_H
  60 #ifdef INTTYPES_H_IS_SANE
  61 #include <inttypes.h>
  62 #endif
  63 #else
  64 #ifdef HAVE_STDINT_H
  65 #include <stdint.h>
  66 #endif
  67 #endif
  68
  69 #ifdef HAVE_UNISTD_H
  70 #include <unistd.h>
  71 #endif
  72
  73 #ifdef HAVE_SETJMP_H
  74 #include <setjmp.h>
  75 #endif
  76
  77 #ifdef TIME_WITH_SYS_TIME
  78 #include <sys/time.h>
  79 #include <time.h>
  80 #else
  81 #if HAVE_SYS_TIME_H
  82 #include <sys/time.h>
  83 #else
  84 #include <time.h>
  85 #endif
  86 #endif
  87
  88 #ifdef HAVE_GRP_H
  89 #include <grp.h>
  90 #endif
  91
  92 #ifdef HAVE_FCNTL_H
  93 #include <fcntl.h>
  94 #endif
  95
  96 #include <errno.h>
  97 #include <signal.h>
  98
  99 #ifdef HAVE_SYS_SOCKET_H
 100 #include <sys/socket.h>
 101 #else
 102 #ifdef HAVE_WINSOCK2_H
 103 #include <winsock2.h>
 104 #else
 105 #ifdef HAVE_WINSOCK_H
 106 #include <winsock.h>
 107 #endif
 108 #endif
 109 #endif
 110
 111 #ifdef HAVE_GETOPT_H
 112 #include <getopt.h>
 113 #else
 114 extern char *optarg;
 115 extern int optind, opterr, optopt;
 116 #endif
 117
 118 /* Test for EAGAIN/EWOULDBLOCK */
 119 #ifdef EAGAIN
 120 #if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
 121 #define E_WOULD_BLOCK(x) ((x) == EAGAIN || (x) == EWOULDBLOCK)
 122 #else
 123 #define E_WOULD_BLOCK(x) ((x) == EAGAIN)
 124 #endif
 125 #else
 126 #define E_WOULD_BLOCK(x) ((x) == EWOULDBLOCK)
 127 #endif
 128
 129 /* Some broken systems care about text versus binary, but
 130    real Unix systems don't... */
 131 #ifndef HAVE_O_TEXT_DEFINITION
 132 #define O_TEXT          0
 133 #endif
 134 #ifndef HAVE_O_BINARY_DEFINITION
 135 #define O_BINARY        0
 136 #endif
 137
 138 /* If we don't have intmax_t, try creating it */
 139
 140 #ifndef HAVE_INTMAX_T
 141 #ifdef HAVE_LONG_LONG
 142 typedef long long intmax_t;
 143 typedef unsigned long long uintmax_t;
 144 #define PRIdMAX "lld"
 145 #define PRIuMAX "llu"
 146 #define PRIxMAX "llx"
 147 #define INTMAX_C(x)  (x##LL)
 148 #define UINTMAX_C(x) (x##ULL)
 149 #else
 150 typedef long intmax_t;
 151 typedef unsigned long uintmax_t;
 152 #define PRIdMAX "ld"
 153 #define PRIuMAX "lu"
 154 #define PRIxMAX "lx"
 155 #define INTMAX_C(x)  (x##L)
 156 #define UINTMAX_C(x) (x##UL)
 157 #endif
 158 #endif
 159
 160 /* On some version of AIX, <inttypes.h> is buggy to the point of
 161    unusability.  We have to use macros here, not typedefs, to override. */
 162 #ifdef HAVE_INTTYPES_H
 163 #ifndef INTTYPES_H_IS_SANE
 164 #undef PRIdMAX
 165 #undef PRIuMAX
 166 #undef PRIxMAX
 167 #undef INTMAX_C
 168 #undef UINTMAX_C
 169 #undef HAVE_STRTOUMAX
 170
 171 #ifdef HAVE_LONG_LONG
 172 #define intmax_t long long
 173 #define uintmax_t unsigned long long
 174 #define PRIdMAX "Ld"
 175 #define PRIuMAX "Lu"
 176 #define PRIxMAX "Lx"
 177 #define INTMAX_C(x)  (x##LL)
 178 #define UINTMAX_C(x) (x##ULL)
 179 #else
 180 #define intmax_t long
 181 #define uintmax_t unsigned long
 182 #define PRIdMAX "ld"
 183 #define PRIuMAX "lu"
 184 #define PRIxMAX "lx"
 185 #define INTMAX_C(x)  (x##L)
 186 #define UINTMAX_C(x) (x##UL)
 187 #endif
 188 #endif
 189 #endif
 190
 191 /* Even if intmax_t is defined, we may need this (Solaris 8 braindamage) */
 192 #ifndef HAVE_STRTOUMAX
 193 #if defined(HAVE_LONG_LONG) && defined(HAVE_STRTOULL)
 194 #define strtoumax(p,e,b) ((uintmax_t)strtoull(p,e,b))
 195 #else
 196 #define strtoumax(p,e,b) ((uintmax_t)strtoul(p,e,b))
 197 #endif
 198 #endif
 199
 200 /* A lot of this is old BSD code.  Some newer systems don't approve. */
 201
 202 /* The type used by htons(), ntohs() */
 203 #ifndef HAVE_U_SHORT
 204 #ifdef HAVE_UINT16_T
 205 typedef uint16_t u_short;
 206 #else
 207 typedef unsigned short u_short;
 208 #endif
 209 #endif
 210
 211 /* The type used to htonl(), ntohl() */
 212 #ifndef HAVE_U_LONG
 213 #ifdef HAVE_UINT32_T
 214 typedef uint32_t u_long;
 215 #else
 216 typedef unsigned long u_long;
 217 #endif
 218 #endif
 219
 220 /* socklen_t */
 221 #ifndef HAVE_SOCKLEN_T
 222 typedef int socklen_t;
 223 #endif
 224
 225 /* sysexits.h */
 226
 227 #ifdef HAVE_SYSEXITS_H
 228 #include <sysexits.h>
 229 #else
 230 #define EX_USAGE        64      /* command line usage error */
 231 #define EX_DATAERR      65      /* data format error */
 232 #define EX_NOINPUT      66      /* cannot open input */
 233 #define EX_NOUSER       67      /* addressee unknown */
 234 #define EX_NOHOST       68      /* host name unknown */
 235 #define EX_UNAVAILABLE  69      /* service unavailable */
 236 #define EX_SOFTWARE     70      /* internal software error */
 237 #define EX_OSERR        71      /* system error (e.g., can't fork) */
 238 #define EX_OSFILE       72      /* critical OS file missing */
 239 #define EX_CANTCREAT    73      /* can't create (user) output file */
 240 #define EX_IOERR        74      /* input/output error */
 241 #define EX_TEMPFAIL     75      /* temp failure; user is invited to retry */
 242 #define EX_PROTOCOL     76      /* remote error in protocol */
 243 #define EX_NOPERM       77      /* permission denied */
 244 #define EX_CONFIG       78      /* configuration error */
 245 #endif
 246
 247 /* If we don't have sigsetjmp() et all, setjmp() will have to do */
 248
 249 #ifndef HAVE_SIGSETJMP
 250 #define sigsetjmp(x,y)  setjmp(x)
 251 #define siglongjmp(x,y) longjmp(x,y)
 252 #define sigjmp_buf jmp_buf
 253 #endif
 254
 255 /* How do we annotate unused data items? */
 256
 257 #ifndef UNUSED
 258 #ifdef __GNUC__
 259 #define UNUSED __attribute__((unused))
 260 #else
 261 #define UNUSED
 262 #endif
 263 #endif
 264
 265 /* netinet/in.h, and possible missing pieces */
 266
 267 #include <netinet/in.h>
 268
 269 #ifndef HAVE_IPPORT_TFTP_DEFINITION
 270 #ifndef IPPORT_TFTP
 271 #define IPPORT_TFTP 69
 272 #endif
 273 #endif
 274
 275 /* arpa/{inet,tftp}.h, and possible missing pieces */
 276
 277 #ifdef HAVE_ARPA_INET_H
 278 #include <arpa/inet.h>
 279 #endif
 280 /* If we don't have arpa/tftp.h we have problems... */
 281 #include <arpa/tftp.h>
 282
 283 #ifndef OACK
 284 #define OACK 6
 285 #endif
 286 #ifndef EOPTNEG
 287 #define EOPTNEG 8
 288 #endif
 289
 290 /* tftp-hpa version and configuration strings */
 291
 292 #include "version.h"
 293
 294 #ifdef WITH_READLINE
 295 #define WITH_READLINE_STR ", with readline"
 296 #else
 297 #define WITH_READLINE_STR ", without readline"
 298 #endif
 299
 300 #ifdef WITH_REGEX
 301 #define WITH_REGEX_STR ", with remap"
 302 #else
 303 #define WITH_REGEX_STR ", without remap"
 304 #endif
 305
 306 #ifdef HAVE_LIBWRAP
 307 #define HAVE_LIBWRAP_STR ", with tcpwrappers"
 308 #else
 309 #define HAVE_LIBWRAP_STR ", without tcpwrappers"
 310 #endif
 311
 312 #define TFTP_CONFIG_STR VERSION WITH_READLINE_STR
 313 #define TFTPD_CONFIG_STR VERSION WITH_REGEX_STR HAVE_LIBWRAP_STR
 314
 315 #endif