config.h

   1 /* -*- c -*- ------------------------------------------------------------- *
   2  *
   3  *   Copyright 2001 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 "acconfig.h"
  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 #include <sys/socket.h>
 100
 101 /* Test for EAGAIN/EWOULDBLOCK */
 102 #ifdef EAGAIN
 103 #if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
 104 #define E_WOULD_BLOCK(x) ((x) == EAGAIN || (x) == EWOULDBLOCK)
 105 #else
 106 #define E_WOULD_BLOCK(x) ((x) == EAGAIN)
 107 #endif
 108 #else
 109 #define E_WOULD_BLOCK(x) ((x) == EWOULDBLOCK)
 110 #endif
 111
 112 /* Some broken systems care about text versus binary, but
 113    real Unix systems don't... */
 114 #ifndef HAVE_O_TEXT_DEFINITION
 115 #define O_TEXT          0
 116 #endif
 117 #ifndef HAVE_O_BINARY_DEFINITION
 118 #define O_BINARY        0
 119 #endif
 120
 121 /* If we don't have intmax_t, try creating it */
 122
 123 #ifndef HAVE_INTMAX_T
 124 #ifdef HAVE_LONG_LONG
 125 typedef long long intmax_t;
 126 typedef unsigned long long uintmax_t;
 127 #define PRIdMAX "Ld"
 128 #define PRIuMAX "Lu"
 129 #define PRIxMAX "Lx"
 130 #define INTMAX_C(x)  (x##LL)
 131 #define UINTMAX_C(x) (x##ULL)
 132 #else
 133 typedef long intmax_t;
 134 typedef unsigned long uintmax_t;
 135 #define PRIdMAX "ld"
 136 #define PRIuMAX "lu"
 137 #define PRIxMAX "lx"
 138 #define INTMAX_C(x)  (x##L)
 139 #define UINTMAX_C(x) (x##UL)
 140 #endif
 141 #endif
 142
 143 /* On some version of AIX, <inttypes.h> is buggy to the point of
 144    unusability.  We have to use macros here, not typedefs, to override. */
 145 #ifdef HAVE_INTTYPES_H
 146 #ifndef INTTYPES_H_IS_SANE
 147 #undef PRIdMAX
 148 #undef PRIuMAX
 149 #undef PRIxMAX
 150 #undef INTMAX_C
 151 #undef UINTMAX_C
 152 #undef HAVE_STRTOUMAX
 153
 154 #ifdef HAVE_LONG_LONG
 155 #define intmax_t long long
 156 #define uintmax_t unsigned long long
 157 #define PRIdMAX "Ld"
 158 #define PRIuMAX "Lu"
 159 #define PRIxMAX "Lx"
 160 #define INTMAX_C(x)  (x##LL)
 161 #define UINTMAX_C(x) (x##ULL)
 162 #else
 163 #define intmax_t long
 164 #define uintmax_t unsigned long
 165 #define PRIdMAX "ld"
 166 #define PRIuMAX "lu"
 167 #define PRIxMAX "lx"
 168 #define INTMAX_C(x)  (x##L)
 169 #define UINTMAX_C(x) (x##UL)
 170 #endif
 171 #endif
 172 #endif
 173
 174 /* Even if intmax_t is defined, we may need this (Solaris 8 braindamage) */
 175 #ifndef HAVE_STRTOUMAX
 176 #if defined(HAVE_LONG_LONG) && defined(HAVE_STRTOULL)
 177 #define strtoumax(p,e,b) ((uintmax_t)strtoull(p,e,b))
 178 #else
 179 #define strtoumax(p,e,b) ((uintmax_t)strtoul(p,e,b))
 180 #endif
 181 #endif
 182
 183 /* A lot of this is old BSD code.  Some newer systems don't approve. */
 184
 185 /* The type used by htons(), ntohs() */
 186 #ifndef HAVE_U_SHORT
 187 #ifdef HAVE_UINT16_T
 188 typedef uint16_t u_short;
 189 #else
 190 typedef unsigned short u_short;
 191 #endif
 192 #endif
 193
 194 /* The type used to htonl(), ntohl() */
 195 #ifndef HAVE_U_LONG
 196 #ifdef HAVE_UINT32_T
 197 typedef uint32_t u_long;
 198 #else
 199 typedef unsigned long u_long;
 200 #endif
 201 #endif
 202
 203 /* sysexits.h */
 204
 205 #ifdef HAVE_SYSEXITS_H
 206 #include <sysexits.h>
 207 #else
 208 #define EX_USAGE        64      /* command line usage error */
 209 #define EX_DATAERR      65      /* data format error */
 210 #define EX_NOINPUT      66      /* cannot open input */
 211 #define EX_NOUSER       67      /* addressee unknown */
 212 #define EX_NOHOST       68      /* host name unknown */
 213 #define EX_UNAVAILABLE  69      /* service unavailable */
 214 #define EX_SOFTWARE     70      /* internal software error */
 215 #define EX_OSERR        71      /* system error (e.g., can't fork) */
 216 #define EX_OSFILE       72      /* critical OS file missing */
 217 #define EX_CANTCREAT    73      /* can't create (user) output file */
 218 #define EX_IOERR        74      /* input/output error */
 219 #define EX_TEMPFAIL     75      /* temp failure; user is invited to retry */
 220 #define EX_PROTOCOL     76      /* remote error in protocol */
 221 #define EX_NOPERM       77      /* permission denied */
 222 #define EX_CONFIG       78      /* configuration error */
 223 #endif
 224
 225 /* If we don't have sigsetjmp() et all, setjmp() will have to do */
 226
 227 #ifndef HAVE_SIGSETJMP
 228 #define sigsetjmp(x,y)  setjmp(x)
 229 #define siglongjmp(x,y) longjmp(x,y)
 230 #define sigjmp_buf jmp_buf
 231 #endif
 232
 233 /* How do we annotate unused data items? */
 234
 235 #ifndef UNUSED
 236 #ifdef __GNUC__
 237 #define UNUSED __attribute__((unused))
 238 #else
 239 #define UNUSED
 240 #endif
 241 #endif
 242
 243 /* netinet/in.h, and possible missing pieces */
 244
 245 #include <netinet/in.h>
 246
 247 #ifndef HAVE_IPPORT_TFTP_DEFINITION
 248 #ifndef IPPORT_TFTP
 249 #define IPPORT_TFTP 69
 250 #endif
 251 #endif
 252
 253 /* arpa/{inet,tftp}.h, and possible missing pieces */
 254
 255 #ifdef HAVE_ARPA_INET_H
 256 #include <arpa/inet.h>
 257 #endif
 258 /* If we don't have arpa/tftp.h we have problems... */
 259 #include <arpa/tftp.h>
 260
 261 #ifndef OACK
 262 #define OACK 6
 263 #endif
 264 #ifndef EOPTNEG
 265 #define EOPTNEG 8
 266 #endif
 267
 268 /* tftp-hpa version and configuration strings */
 269
 270 #include "version.h"
 271
 272 #ifdef WITH_READLINE
 273 #define WITH_READLINE_STR ", with readline"
 274 #else
 275 #define WITH_READLINE_STR ", without readline"
 276 #endif
 277
 278 #ifdef WITH_REGEX
 279 #define WITH_REGEX_STR ", with remap"
 280 #else
 281 #define WITH_REGEX_STR ", without remap"
 282 #endif
 283
 284 #ifdef HAVE_LIBWRAP
 285 #define HAVE_LIBWRAP_STR ", with tcpwrappers"
 286 #else
 287 #define HAVE_LIBWRAP_STR ", without tcpwrappers"
 288 #endif
 289
 290 #define TFTP_CONFIG_STR VERSION WITH_READLINE_STR
 291 #define TFTPD_CONFIG_STR VERSION WITH_REGEX_STR HAVE_LIBWRAP_STR
 292
 293 #endif