lib/roken/roken.h.in

   1 /* -*- C -*- */
   2 /*
   3  * Copyright (c) 1995-2005 Kungliga Tekniska Högskolan
   4  * (Royal Institute of Technology, Stockholm, Sweden).
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * 3. Neither the name of the Institute nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <stdarg.h>
  38 #ifdef HAVE_STDINT_H
  39 #include <stdint.h>
  40 #endif
  41 #include <string.h>
  42 #include <signal.h>
  43
  44 #ifndef ROKEN_LIB_FUNCTION
  45 #ifdef _WIN32
  46 #  define ROKEN_LIB_CALL     __cdecl
  47 #  ifdef ROKEN_LIB_DYNAMIC
  48 #    define ROKEN_LIB_FUNCTION __declspec(dllimport)
  49 #    define ROKEN_LIB_VARIABLE __declspec(dllimport)
  50 #  else
  51 #    define ROKEN_LIB_FUNCTION
  52 #    define ROKEN_LIB_VARIABLE
  53 #  endif
  54 #else
  55 #define ROKEN_LIB_FUNCTION
  56 #define ROKEN_LIB_CALL
  57 #define ROKEN_LIB_VARIABLE
  58 #endif
  59 #endif
  60
  61 #ifdef HAVE_WINSOCK
  62 /* Declarations for Microsoft Windows */
  63
  64 #include <winsock2.h>
  65 #include <ws2tcpip.h>
  66
  67 /*
  68  * error codes for inet_ntop/inet_pton
  69  */
  70 #define EAFNOSUPPORT WSAEAFNOSUPPORT
  71
  72 typedef SOCKET rk_socket_t;
  73
  74 #define rk_closesocket(x) closesocket(x)
  75 #define rk_INVALID_SOCKET INVALID_SOCKET
  76 #define rk_IS_BAD_SOCKET(s) ((s) == INVALID_SOCKET)
  77 #define rk_IS_SOCKET_ERROR(rv) ((rv) == SOCKET_ERROR)
  78 #define rk_SOCK_ERRNO WSAGetLastError()
  79
  80 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_SOCK_IOCTL(SOCKET s, long cmd, int * argp);
  81
  82 #define ETIMEDOUT               WSAETIMEDOUT
  83 #define EWOULDBLOCK             WSAEWOULDBLOCK
  84 #define ENOTSOCK                WSAENOTSOCK
  85
  86 #define rk_SOCK_INIT() rk_WSAStartup()
  87 #define rk_SOCK_EXIT() rk_WSACleanup()
  88
  89 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_WSAStartup(void);
  90 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_WSACleanup(void);
  91
  92 #else  /* not WinSock */
  93
  94 typedef int rk_socket_t;
  95
  96 #define rk_closesocket(x) close(x)
  97 #define rk_SOCK_IOCTL(s,c,a) ioctl((s),(c),(a))
  98 #define rk_IS_BAD_SOCKET(s) ((s) < 0)
  99 #define rk_IS_SOCKET_ERROR(rv) ((rv) < 0)
 100 #define rk_SOCK_ERRNO errno
 101 #define rk_INVALID_SOCKET (-1)
 102
 103 #define rk_SOCK_INIT() 0
 104 #define rk_SOCK_EXIT() do { } while(0)
 105
 106 #endif
 107
 108 #ifndef IN_LOOPBACKNET
 109 #define IN_LOOPBACKNET 127
 110 #endif
 111
 112 #ifdef _MSC_VER
 113 /* Declarations for Microsoft Visual C runtime on Windows */
 114
 115 #include<process.h>
 116
 117 #include<io.h>
 118
 119 #ifndef __BIT_TYPES_DEFINED__
 120 #define __BIT_TYPES_DEFINED__
 121
 122 typedef __int8             int8_t;
 123 typedef __int16            int16_t;
 124 typedef __int32            int32_t;
 125 typedef __int64            int64_t;
 126 typedef unsigned __int8    uint8_t;
 127 typedef unsigned __int16   uint16_t;
 128 typedef unsigned __int32   uint32_t;
 129 typedef unsigned __int64   uint64_t;
 130 typedef uint8_t            u_int8_t;
 131 typedef uint16_t           u_int16_t;
 132 typedef uint32_t           u_int32_t;
 133 typedef uint64_t           u_int64_t;
 134
 135 #endif  /* __BIT_TYPES_DEFINED__ */
 136
 137 #define UNREACHABLE(x) x
 138 #define UNUSED_ARGUMENT(x) ((void) x)
 139
 140 #define RETSIGTYPE void
 141
 142 #define VOID_RETSIGTYPE 1
 143
 144 #ifdef VOID_RETSIGTYPE
 145 #define SIGRETURN(x) return
 146 #else
 147 #define SIGRETURN(x) return (RETSIGTYPE)(x)
 148 #endif
 149
 150 #ifndef CPP_ONLY
 151
 152 typedef int pid_t;
 153
 154 typedef unsigned int gid_t;
 155
 156 typedef unsigned int uid_t;
 157
 158 typedef unsigned short mode_t;
 159
 160 #endif
 161
 162 #ifndef __cplusplus
 163 #define inline __inline
 164 #endif
 165
 166 #else
 167
 168 #define UNREACHABLE(x)
 169 #define UNUSED_ARGUMENT(x)
 170
 171 #endif
 172
 173 #ifdef _AIX
 174 struct ether_addr;
 175 struct sockaddr_dl;
 176 #endif
 177 #ifdef HAVE_SYS_PARAM_H
 178 #include <sys/param.h>
 179 #endif
 180 #ifdef HAVE_INTTYPES_H
 181 #include <inttypes.h>
 182 #endif
 183 #ifdef HAVE_SYS_TYPES_H
 184 #include <sys/types.h>
 185 #endif
 186 #ifdef HAVE_SYS_BITYPES_H
 187 #include <sys/bitypes.h>
 188 #endif
 189 #ifdef HAVE_BIND_BITYPES_H
 190 #include <bind/bitypes.h>
 191 #endif
 192 #ifdef HAVE_NETINET_IN6_MACHTYPES_H
 193 #include <netinet/in6_machtypes.h>
 194 #endif
 195 #ifdef HAVE_UNISTD_H
 196 #include <unistd.h>
 197 #endif
 198 #ifdef HAVE_SYS_SOCKET_H
 199 #include <sys/socket.h>
 200 #endif
 201 #ifdef HAVE_SYS_UIO_H
 202 #include <sys/uio.h>
 203 #endif
 204 #ifdef HAVE_GRP_H
 205 #include <grp.h>
 206 #endif
 207 #ifdef HAVE_SYS_STAT_H
 208 #include <sys/stat.h>
 209 #endif
 210 #ifdef HAVE_NETINET_IN_H
 211 #include <netinet/in.h>
 212 #endif
 213 #ifdef HAVE_NETINET_IN6_H
 214 #include <netinet/in6.h>
 215 #endif
 216 #ifdef HAVE_NETINET6_IN6_H
 217 #include <netinet6/in6.h>
 218 #endif
 219 #ifdef HAVE_ARPA_INET_H
 220 #include <arpa/inet.h>
 221 #endif
 222 #ifdef HAVE_NETDB_H
 223 #include <netdb.h>
 224 #endif
 225 #ifdef HAVE_ARPA_NAMESER_H
 226 #include <arpa/nameser.h>
 227 #endif
 228 #ifdef HAVE_RESOLV_H
 229 #include <resolv.h>
 230 #endif
 231 #ifdef HAVE_SYSLOG_H
 232 #include <syslog.h>
 233 #endif
 234 #ifdef HAVE_FCNTL_H
 235 #include <fcntl.h>
 236 #endif
 237 #ifdef HAVE_ERRNO_H
 238 #include <errno.h>
 239 #endif
 240 #include <err.h>
 241 #ifdef HAVE_TERMIOS_H
 242 #include <termios.h>
 243 #endif
 244 #ifdef HAVE_SYS_IOCTL_H
 245 #include <sys/ioctl.h>
 246 #endif
 247 #ifdef TIME_WITH_SYS_TIME
 248 #include <sys/time.h>
 249 #include <time.h>
 250 #elif defined(HAVE_SYS_TIME_H)
 251 #include <sys/time.h>
 252 #else
 253 #include <time.h>
 254 #endif
 255
 256 #ifdef HAVE_PATHS_H
 257 #include <paths.h>
 258 #endif
 259
 260 #ifdef HAVE_DIRENT_H
 261 #include <dirent.h>
 262 #endif
 263
 264 #ifdef BACKSLASH_PATH_DELIM
 265 #define rk_PATH_DELIM '\\'
 266 #endif
 267
 268 #ifndef HAVE_SSIZE_T
 269 #ifndef SSIZE_T_DEFINED
 270 #ifdef ssize_t
 271 #undef ssize_t
 272 #endif
 273 #ifdef _WIN64
 274 typedef __int64 ssize_t;
 275 #else
 276 typedef int ssize_t;
 277 #endif
 278 #define SSIZE_T_DEFINED
 279 #endif  /* SSIZE_T_DEFINED */
 280 #endif  /* HAVE_SSIZE_T */
 281
 282 #include <roken-common.h>
 283
 284 ROKEN_CPP_START
 285
 286 #ifdef HAVE_UINTPTR_T
 287 #define rk_UNCONST(x) ((void *)(uintptr_t)(const void *)(x))
 288 #else
 289 #define rk_UNCONST(x) ((void *)(unsigned long)(const void *)(x))
 290 #endif
 291
 292 #if !defined(HAVE_SETSID) && defined(HAVE__SETSID)
 293 #define setsid _setsid
 294 #endif
 295
 296 #ifdef _MSC_VER
 297 /* Additional macros for Visual C/C++ runtime */
 298
 299 #define close   _close
 300
 301 #define getpid  _getpid
 302
 303 #define open    _open
 304
 305 #define chdir   _chdir
 306
 307 #define fsync   _commit
 308
 309 /* The MSVC implementation of snprintf is not C99 compliant.  */
 310 #define snprintf    rk_snprintf
 311 #define vsnprintf   rk_vsnprintf
 312 #define vasnprintf  rk_vasnprintf
 313 #define vasprintf   rk_vasprintf
 314 #define asnprintf   rk_asnprintf
 315 #define asprintf    rk_asprintf
 316
 317 #define _PIPE_BUFFER_SZ 8192
 318 #define pipe(fds) _pipe((fds), _PIPE_BUFFER_SZ, O_BINARY);
 319
 320 #define ftruncate(fd, sz) _chsize((fd), (sz))
 321
 322 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 323 rk_snprintf (char *str, size_t sz, const char *format, ...);
 324
 325 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 326 rk_asprintf (char **ret, const char *format, ...);
 327
 328 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 329 rk_asnprintf (char **ret, size_t max_sz, const char *format, ...);
 330
 331 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 332 rk_vasprintf (char **ret, const char *format, va_list args);
 333
 334 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 335 rk_vasnprintf (char **ret, size_t max_sz, const char *format, va_list args);
 336
 337 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 338 rk_vsnprintf (char *str, size_t sz, const char *format, va_list args);
 339
 340 /* missing stat.h predicates */
 341
 342 #define S_ISREG(m) (((m) & _S_IFREG) == _S_IFREG)
 343
 344 #define S_ISDIR(m) (((m) & _S_IFDIR) == _S_IFDIR)
 345
 346 #define S_ISCHR(m) (((m) & _S_IFCHR) == _S_IFCHR)
 347
 348 #define S_ISFIFO(m) (((m) & _S_IFIFO) == _S_IFIFO)
 349
 350 /* The following are not implemented:
 351
 352  S_ISLNK(m)
 353  S_ISSOCK(m)
 354  S_ISBLK(m)
 355 */
 356
 357 #endif  /* _MSC_VER */
 358
 359 #ifdef HAVE_WINSOCK
 360
 361 /* While we are at it, define WinSock specific scatter gather socket
 362    I/O. */
 363
 364 #define iovec    _WSABUF
 365 #define iov_base buf
 366 #define iov_len  len
 367
 368 struct msghdr {
 369     void           *msg_name;
 370     socklen_t       msg_namelen;
 371     struct iovec   *msg_iov;
 372     size_t          msg_iovlen;
 373     void           *msg_control;
 374     socklen_t       msg_controllen;
 375     int             msg_flags;
 376 };
 377
 378 #define sendmsg sendmsg_w32
 379
 380 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 381 sendmsg_w32(rk_socket_t s, const struct msghdr * msg, int flags);
 382
 383 #endif  /* HAVE_WINSOCK */
 384
 385 #ifndef HAVE_PUTENV
 386 #define putenv rk_putenv
 387 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL putenv(const char *);
 388 #endif
 389
 390 #if !defined(HAVE_SETENV) || defined(NEED_SETENV_PROTO)
 391 #ifndef HAVE_SETENV
 392 #define setenv rk_setenv
 393 #endif
 394 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL setenv(const char *, const char *, int);
 395 #endif
 396
 397 #if !defined(HAVE_UNSETENV) || defined(NEED_UNSETENV_PROTO)
 398 #ifndef HAVE_UNSETENV
 399 #define unsetenv rk_unsetenv
 400 #endif
 401 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL unsetenv(const char *);
 402 #endif
 403
 404 #if !defined(HAVE_GETUSERSHELL) || defined(NEED_GETUSERSHELL_PROTO)
 405 #ifndef HAVE_GETUSERSHELL
 406 #define getusershell rk_getusershell
 407 #define endusershell rk_endusershell
 408 #endif
 409 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL getusershell(void);
 410 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL endusershell(void);
 411 #endif
 412
 413 #if !defined(HAVE_SNPRINTF) || defined(NEED_SNPRINTF_PROTO)
 414 #ifndef HAVE_SNPRINTF
 415 #define snprintf rk_snprintf
 416 #endif
 417 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 418      rk_snprintf (char *, size_t, const char *, ...)
 419      __attribute__ ((format (printf, 3, 4)));
 420 #endif
 421
 422 #if !defined(HAVE_VSNPRINTF) || defined(NEED_VSNPRINTF_PROTO)
 423 #ifndef HAVE_VSNPRINTF
 424 #define vsnprintf rk_vsnprintf
 425 #endif
 426 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 427      rk_vsnprintf (char *, size_t, const char *, va_list)
 428      __attribute__((format (printf, 3, 0)));
 429 #endif
 430
 431 #if !defined(HAVE_ASPRINTF) || defined(NEED_ASPRINTF_PROTO)
 432 #ifndef HAVE_ASPRINTF
 433 #define asprintf rk_asprintf
 434 #endif
 435 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 436      rk_asprintf (char **, const char *, ...)
 437      __attribute__ ((format (printf, 2, 3)));
 438 #endif
 439
 440 #if !defined(HAVE_VASPRINTF) || defined(NEED_VASPRINTF_PROTO)
 441 #ifndef HAVE_VASPRINTF
 442 #define vasprintf rk_vasprintf
 443 #endif
 444 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 445     rk_vasprintf (char **, const char *, va_list)
 446      __attribute__((format (printf, 2, 0)));
 447 #endif
 448
 449 #if !defined(HAVE_ASNPRINTF) || defined(NEED_ASNPRINTF_PROTO)
 450 #ifndef HAVE_ASNPRINTF
 451 #define asnprintf rk_asnprintf
 452 #endif
 453 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 454     rk_asnprintf (char **, size_t, const char *, ...)
 455      __attribute__ ((format (printf, 3, 4)));
 456 #endif
 457
 458 #if !defined(HAVE_VASNPRINTF) || defined(NEED_VASNPRINTF_PROTO)
 459 #ifndef HAVE_VASNPRINTF
 460 #define vasnprintf rk_vasnprintf
 461 #endif
 462 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 463     vasnprintf (char **, size_t, const char *, va_list)
 464      __attribute__((format (printf, 3, 0)));
 465 #endif
 466
 467 #ifndef HAVE_STRDUP
 468 #define strdup rk_strdup
 469 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strdup(const char *);
 470 #endif
 471
 472 #if !defined(HAVE_STRNDUP) || defined(NEED_STRNDUP_PROTO)
 473 #ifndef HAVE_STRNDUP
 474 #define strndup rk_strndup
 475 #endif
 476 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strndup(const char *, size_t);
 477 #endif
 478
 479 #ifndef HAVE_STRLWR
 480 #define strlwr rk_strlwr
 481 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strlwr(char *);
 482 #endif
 483
 484 #ifndef HAVE_STRNLEN
 485 #define strnlen rk_strnlen
 486 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strnlen(const char*, size_t);
 487 #endif
 488
 489 #if !defined(HAVE_STRSEP) || defined(NEED_STRSEP_PROTO)
 490 #ifndef HAVE_STRSEP
 491 #define strsep rk_strsep
 492 #endif
 493 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strsep(char**, const char*);
 494 #endif
 495
 496 #if !defined(HAVE_STRSEP_COPY) || defined(NEED_STRSEP_COPY_PROTO)
 497 #ifndef HAVE_STRSEP_COPY
 498 #define strsep_copy rk_strsep_copy
 499 #endif
 500 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL strsep_copy(const char**, const char*, char*, size_t);
 501 #endif
 502
 503 #ifndef HAVE_STRCASECMP
 504 #define strcasecmp rk_strcasecmp
 505 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL strcasecmp(const char *, const char *);
 506 #endif
 507
 508 #ifdef NEED_FCLOSE_PROTO
 509 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL fclose(FILE *);
 510 #endif
 511
 512 #ifdef NEED_STRTOK_R_PROTO
 513 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strtok_r(char *, const char *, char **);
 514 #endif
 515
 516 #ifndef HAVE_STRUPR
 517 #define strupr rk_strupr
 518 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strupr(char *);
 519 #endif
 520
 521 #ifndef HAVE_STRLCPY
 522 #define strlcpy rk_strlcpy
 523 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strlcpy (char *, const char *, size_t);
 524 #endif
 525
 526 #ifndef HAVE_STRLCAT
 527 #define strlcat rk_strlcat
 528 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strlcat (char *, const char *, size_t);
 529 #endif
 530
 531 #ifndef HAVE_GETDTABLESIZE
 532 #define getdtablesize rk_getdtablesize
 533 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL getdtablesize(void);
 534 #endif
 535
 536 #if !defined(HAVE_STRERROR) && !defined(strerror)
 537 #define strerror rk_strerror
 538 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strerror(int);
 539 #endif
 540
 541 #if (!defined(HAVE_STRERROR_R) && !defined(strerror_r)) || (!defined(STRERROR_R_PROTO_COMPATIBLE) && defined(HAVE_STRERROR_R))
 542 int ROKEN_LIB_FUNCTION rk_strerror_r(int, char *, size_t);
 543 #else
 544 #define rk_strerror_r strerror_r
 545 #endif
 546
 547 #if !defined(HAVE_HSTRERROR) || defined(NEED_HSTRERROR_PROTO)
 548 #ifndef HAVE_HSTRERROR
 549 #define hstrerror rk_hstrerror
 550 #endif
 551 /* This causes a fatal error under Psoriasis */
 552 #ifndef SunOS
 553 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL hstrerror(int);
 554 #endif
 555 #endif
 556
 557 #if !HAVE_DECL_H_ERRNO
 558 extern int h_errno;
 559 #endif
 560
 561 #if !defined(HAVE_INET_ATON) || defined(NEED_INET_ATON_PROTO)
 562 #ifndef HAVE_INET_ATON
 563 #define inet_aton rk_inet_aton
 564 #endif
 565 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL inet_aton(const char *, struct in_addr *);
 566 #endif
 567
 568 #ifndef HAVE_INET_NTOP
 569 #define inet_ntop rk_inet_ntop
 570 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
 571 inet_ntop(int af, const void *src, char *dst, size_t size);
 572 #endif
 573
 574 #ifndef HAVE_INET_PTON
 575 #define inet_pton rk_inet_pton
 576 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 577 inet_pton(int, const char *, void *);
 578 #endif
 579
 580 #ifndef HAVE_GETCWD
 581 #define getcwd rk_getcwd
 582 ROKEN_LIB_FUNCTION char* ROKEN_LIB_CALL getcwd(char *, size_t);
 583 #endif
 584
 585 #ifdef HAVE_PWD_H
 586 #include <pwd.h>
 587 ROKEN_LIB_FUNCTION struct passwd * ROKEN_LIB_CALL k_getpwnam (const char *);
 588 ROKEN_LIB_FUNCTION struct passwd * ROKEN_LIB_CALL k_getpwuid (uid_t);
 589 #endif
 590
 591 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL get_default_username (void);
 592
 593 #ifndef HAVE_SETEUID
 594 #define seteuid rk_seteuid
 595 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL seteuid(uid_t);
 596 #endif
 597
 598 #ifndef HAVE_SETEGID
 599 #define setegid rk_setegid
 600 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL setegid(gid_t);
 601 #endif
 602
 603 #ifndef HAVE_LSTAT
 604 #define lstat rk_lstat
 605 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL lstat(const char *, struct stat *);
 606 #endif
 607
 608 #if !defined(HAVE_MKSTEMP) || defined(NEED_MKSTEMP_PROTO)
 609 #ifndef HAVE_MKSTEMP
 610 #define mkstemp rk_mkstemp
 611 #endif
 612 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL mkstemp(char *);
 613 #endif
 614
 615 #ifndef HAVE_CGETENT
 616 #define cgetent rk_cgetent
 617 #define cgetstr rk_cgetstr
 618 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL cgetent(char **, char **, const char *);
 619 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL cgetstr(char *, const char *, char **);
 620 #endif
 621
 622 #ifndef HAVE_INITGROUPS
 623 #define initgroups rk_initgroups
 624 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL initgroups(const char *, gid_t);
 625 #endif
 626
 627 #ifndef HAVE_FCHOWN
 628 #define fchown rk_fchown
 629 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL fchown(int, uid_t, gid_t);
 630 #endif
 631
 632 #ifdef RENAME_DOES_NOT_UNLINK
 633 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_rename(const char *, const char *);
 634 #else
 635 #define rk_rename(__rk_rn_from,__rk_rn_to) rename(__rk_rn_from,__rk_rn_to)
 636 #endif
 637
 638 #if !defined(HAVE_DAEMON) || defined(NEED_DAEMON_PROTO)
 639 #ifndef HAVE_DAEMON
 640 #define daemon rk_daemon
 641 #endif
 642 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL daemon(int, int);
 643 #endif
 644
 645 #ifndef HAVE_CHOWN
 646 #define chown rk_chown
 647 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL chown(const char *, uid_t, gid_t);
 648 #endif
 649
 650 #ifndef HAVE_RCMD
 651 #define rcmd rk_rcmd
 652 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 653     rcmd(char **, unsigned short, const char *,
 654          const char *, const char *, int *);
 655 #endif
 656
 657 #if !defined(HAVE_INNETGR) || defined(NEED_INNETGR_PROTO)
 658 #ifndef HAVE_INNETGR
 659 #define innetgr rk_innetgr
 660 #endif
 661 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL innetgr(const char*, const char*,
 662     const char*, const char*);
 663 #endif
 664
 665 #ifndef HAVE_IRUSEROK
 666 #define iruserok rk_iruserok
 667 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL iruserok(unsigned, int,
 668     const char *, const char *);
 669 #endif
 670
 671 #if !defined(HAVE_GETHOSTNAME) || defined(NEED_GETHOSTNAME_PROTO)
 672 #ifndef HAVE_GETHOSTNAME
 673 #define gethostname rk_gethostname
 674 #endif
 675 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL gethostname(char *, int);
 676 #endif
 677
 678 #ifndef HAVE_WRITEV
 679 #define writev rk_writev
 680 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 681 writev(int, const struct iovec *, int);
 682 #endif
 683
 684 #ifndef HAVE_READV
 685 #define readv rk_readv
 686 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 687 readv(int, const struct iovec *, int);
 688 #endif
 689
 690 #ifndef HAVE_PIDFILE
 691 #ifdef NO_PIDFILES
 692 #define pidfile(x) ((void) 0)
 693 #else
 694 #define pidfile rk_pidfile
 695 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL pidfile (const char*);
 696 #endif
 697 #endif
 698
 699 #ifndef HAVE_BSWAP32
 700 #define bswap32 rk_bswap32
 701 ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL bswap32(unsigned int);
 702 #endif
 703
 704 #ifndef HAVE_BSWAP16
 705 #define bswap16 rk_bswap16
 706 ROKEN_LIB_FUNCTION unsigned short ROKEN_LIB_CALL bswap16(unsigned short);
 707 #endif
 708
 709 #ifndef HAVE_FLOCK
 710 #ifndef LOCK_SH
 711 #define LOCK_SH   1             /* Shared lock */
 712 #endif
 713 #ifndef LOCK_EX
 714 #define LOCK_EX   2             /* Exclusive lock */
 715 #endif
 716 #ifndef LOCK_NB
 717 #define LOCK_NB   4             /* Don't block when locking */
 718 #endif
 719 #ifndef LOCK_UN
 720 #define LOCK_UN   8             /* Unlock */
 721 #endif
 722
 723 #define flock(_x,_y) rk_flock(_x,_y)
 724 int rk_flock(int fd, int operation);
 725 #endif /* HAVE_FLOCK */
 726
 727 #ifndef HAVE_DIRFD
 728 #ifdef HAVE_DIR_DD_FD
 729 #define dirfd(x) ((x)->dd_fd)
 730 #else
 731 #ifndef _WIN32 /* Windows code never calls dirfd */
 732 #error Missing dirfd() and ->dd_fd
 733 #endif
 734 #endif
 735 #endif
 736
 737 ROKEN_LIB_FUNCTION time_t ROKEN_LIB_CALL tm2time (struct tm, int);
 738
 739 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL unix_verify_user(char *, char *);
 740
 741 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL roken_concat (char *, size_t, ...);
 742
 743 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL roken_mconcat (char **, size_t, ...);
 744
 745 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL roken_vconcat (char *, size_t, va_list);
 746
 747 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
 748     roken_vmconcat (char **, size_t, va_list);
 749
 750 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 751     net_write (rk_socket_t, const void *, size_t);
 752
 753 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 754     net_read (rk_socket_t, void *, size_t);
 755
 756 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 757     issuid(void);
 758
 759 #ifndef HAVE_STRUCT_WINSIZE
 760 struct winsize {
 761         unsigned short ws_row, ws_col;
 762         unsigned short ws_xpixel, ws_ypixel;
 763 };
 764 #endif
 765
 766 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL get_window_size(int fd, int *, int *);
 767
 768 #ifndef HAVE_VSYSLOG
 769 #define vsyslog rk_vsyslog
 770 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL vsyslog(int, const char *, va_list);
 771 #endif
 772
 773 #ifndef HAVE_GETOPT
 774 #define getopt rk_getopt
 775 #define optarg rk_optarg
 776 #define optind rk_optind
 777 #define opterr rk_opterr
 778 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 779 getopt(int nargc, char * const *nargv, const char *ostr);
 780 #endif
 781
 782 #if !HAVE_DECL_OPTARG
 783 ROKEN_LIB_VARIABLE extern char *optarg;
 784 #endif
 785 #if !HAVE_DECL_OPTIND
 786 ROKEN_LIB_VARIABLE extern int optind;
 787 #endif
 788 #if !HAVE_DECL_OPTERR
 789 ROKEN_LIB_VARIABLE extern int opterr;
 790 #endif
 791
 792 #ifndef HAVE_GETIPNODEBYNAME
 793 #define getipnodebyname rk_getipnodebyname
 794 ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
 795 getipnodebyname (const char *, int, int, int *);
 796 #endif
 797
 798 #ifndef HAVE_GETIPNODEBYADDR
 799 #define getipnodebyaddr rk_getipnodebyaddr
 800 ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
 801 getipnodebyaddr (const void *, size_t, int, int *);
 802 #endif
 803
 804 #ifndef HAVE_FREEHOSTENT
 805 #define freehostent rk_freehostent
 806 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
 807 freehostent (struct hostent *);
 808 #endif
 809
 810 #ifndef HAVE_COPYHOSTENT
 811 #define copyhostent rk_copyhostent
 812 ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
 813 copyhostent (const struct hostent *);
 814 #endif
 815
 816 #ifndef HAVE_SOCKLEN_T
 817 typedef int socklen_t;
 818 #endif
 819
 820 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
 821
 822 #ifndef HAVE_SA_FAMILY_T
 823 typedef unsigned short sa_family_t;
 824 #endif
 825
 826 #ifdef HAVE_IPV6
 827 #define _SS_MAXSIZE sizeof(struct sockaddr_in6)
 828 #else
 829 #define _SS_MAXSIZE sizeof(struct sockaddr_in)
 830 #endif
 831
 832 #define _SS_ALIGNSIZE   sizeof(unsigned long)
 833
 834 #if HAVE_STRUCT_SOCKADDR_SA_LEN
 835
 836 typedef unsigned char roken_sa_family_t;
 837
 838 #define _SS_PAD1SIZE   ((2 * _SS_ALIGNSIZE - sizeof (roken_sa_family_t) - sizeof(unsigned char)) % _SS_ALIGNSIZE)
 839 #define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + sizeof(unsigned char) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
 840
 841 struct sockaddr_storage {
 842     unsigned char       ss_len;
 843     roken_sa_family_t   ss_family;
 844     char                __ss_pad1[_SS_PAD1SIZE];
 845     unsigned long       __ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
 846 };
 847
 848 #else /* !HAVE_STRUCT_SOCKADDR_SA_LEN */
 849
 850 typedef unsigned short roken_sa_family_t;
 851
 852 #define _SS_PAD1SIZE   ((2 * _SS_ALIGNSIZE - sizeof (roken_sa_family_t)) % _SS_ALIGNSIZE)
 853 #define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
 854
 855 struct sockaddr_storage {
 856     roken_sa_family_t   ss_family;
 857     char                __ss_pad1[_SS_PAD1SIZE];
 858     unsigned long       __ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
 859 };
 860
 861 #endif /* HAVE_STRUCT_SOCKADDR_SA_LEN */
 862
 863 #endif /* HAVE_STRUCT_SOCKADDR_STORAGE */
 864
 865 #ifndef HAVE_STRUCT_ADDRINFO
 866 struct addrinfo {
 867     int    ai_flags;
 868     int    ai_family;
 869     int    ai_socktype;
 870     int    ai_protocol;
 871     size_t ai_addrlen;
 872     char  *ai_canonname;
 873     struct sockaddr *ai_addr;
 874     struct addrinfo *ai_next;
 875 };
 876 #endif
 877
 878 #ifndef HAVE_GETADDRINFO
 879 #define getaddrinfo rk_getaddrinfo
 880 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 881 getaddrinfo(const char *,
 882             const char *,
 883             const struct addrinfo *,
 884             struct addrinfo **);
 885 #endif
 886
 887 #ifndef HAVE_GETNAMEINFO
 888 #define getnameinfo rk_getnameinfo
 889 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 890 getnameinfo(const struct sockaddr *, socklen_t,
 891                 char *, size_t,
 892                 char *, size_t,
 893                 int);
 894 #endif
 895
 896 #ifndef HAVE_FREEADDRINFO
 897 #define freeaddrinfo rk_freeaddrinfo
 898 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
 899 freeaddrinfo(struct addrinfo *);
 900 #endif
 901
 902 #ifndef HAVE_GAI_STRERROR
 903 #define gai_strerror rk_gai_strerror
 904 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
 905 gai_strerror(int);
 906 #endif
 907
 908 #ifdef NO_SLEEP
 909
 910 ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL
 911 sleep(unsigned int seconds);
 912
 913 #endif
 914
 915 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 916 getnameinfo_verified(const struct sockaddr *, socklen_t,
 917                      char *, size_t,
 918                      char *, size_t,
 919                      int);
 920
 921 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 922 roken_getaddrinfo_hostspec(const char *, int, struct addrinfo **);
 923 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 924 roken_getaddrinfo_hostspec2(const char *, int, int, struct addrinfo **);
 925
 926 #ifndef HAVE_STRFTIME
 927 #define strftime rk_strftime
 928 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
 929 strftime (char *, size_t, const char *, const struct tm *);
 930 #endif
 931
 932 #ifndef HAVE_STRPTIME
 933 #define strptime rk_strptime
 934 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
 935 strptime (const char *, const char *, struct tm *);
 936 #endif
 937
 938 #ifndef HAVE_GETTIMEOFDAY
 939 #define gettimeofday rk_gettimeofday
 940 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 941 gettimeofday (struct timeval *, void *);
 942 #endif
 943
 944 #ifndef HAVE_EMALLOC
 945 #define emalloc rk_emalloc
 946 ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL emalloc (size_t);
 947 #endif
 948 #ifndef HAVE_ECALLOC
 949 #define ecalloc rk_ecalloc
 950 ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL ecalloc(size_t, size_t);
 951 #endif
 952 #ifndef HAVE_EREALLOC
 953 #define erealloc rk_erealloc
 954 ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL erealloc (void *, size_t);
 955 #endif
 956 #ifndef HAVE_ESTRDUP
 957 #define estrdup rk_estrdup
 958 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL estrdup (const char *);
 959 #endif
 960
 961 /*
 962  * kludges and such
 963  */
 964
 965 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 966 roken_gethostby_setup(const char*, const char*);
 967 ROKEN_LIB_FUNCTION struct hostent* ROKEN_LIB_CALL
 968 roken_gethostbyname(const char*);
 969 ROKEN_LIB_FUNCTION struct hostent* ROKEN_LIB_CALL
 970 roken_gethostbyaddr(const void*, size_t, int);
 971
 972 #ifdef GETSERVBYNAME_PROTO_COMPATIBLE
 973 #define roken_getservbyname(x,y) getservbyname(x,y)
 974 #else
 975 #define roken_getservbyname(x,y) getservbyname((char *)x, (char *)y)
 976 #endif
 977
 978 #ifdef OPENLOG_PROTO_COMPATIBLE
 979 #define roken_openlog(a,b,c) openlog(a,b,c)
 980 #else
 981 #define roken_openlog(a,b,c) openlog((char *)a,b,c)
 982 #endif
 983
 984 #ifdef GETSOCKNAME_PROTO_COMPATIBLE
 985 #define roken_getsockname(a,b,c) getsockname(a,b,c)
 986 #else
 987 #define roken_getsockname(a,b,c) getsockname(a, b, (void*)c)
 988 #endif
 989
 990 #ifndef HAVE_SETPROGNAME
 991 #define setprogname rk_setprogname
 992 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL setprogname(const char *);
 993 #endif
 994
 995 #ifndef HAVE_GETPROGNAME
 996 #define getprogname rk_getprogname
 997 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL getprogname(void);
 998 #endif
 999
1000 #if !defined(HAVE_SETPROGNAME) && !defined(HAVE_GETPROGNAME) && !HAVE_DECL___PROGNAME
1001 extern const char *__progname;
1002 #endif
1003
1004 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
1005 mini_inetd_addrinfo (struct addrinfo*, rk_socket_t *);
1006
1007 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
1008 mini_inetd (int, rk_socket_t *);
1009
1010 #ifndef HAVE_LOCALTIME_R
1011 #define localtime_r rk_localtime_r
1012 ROKEN_LIB_FUNCTION struct tm * ROKEN_LIB_CALL
1013 localtime_r(const time_t *, struct tm *);
1014 #endif
1015
1016 #if !defined(HAVE_STRSVIS) || defined(NEED_STRSVIS_PROTO)
1017 #ifndef HAVE_STRSVIS
1018 #define strsvis rk_strsvis
1019 #endif
1020 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1021 strsvis(char *, const char *, int, const char *);
1022 #endif
1023
1024 #if !defined(HAVE_STRSVISX) || defined(NEED_STRSVISX_PROTO)
1025 #ifndef HAVE_STRSVISX
1026 #define strsvisx rk_strsvisx
1027 #endif
1028 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1029 strsvisx(char *, const char *, size_t, int, const char *);
1030 #endif
1031
1032 #if !defined(HAVE_STRUNVIS) || defined(NEED_STRUNVIS_PROTO)
1033 #ifndef HAVE_STRUNVIS
1034 #define strunvis rk_strunvis
1035 #endif
1036 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1037 strunvis(char *, const char *);
1038 #endif
1039
1040 #if !defined(HAVE_STRVIS) || defined(NEED_STRVIS_PROTO)
1041 #ifndef HAVE_STRVIS
1042 #define strvis rk_strvis
1043 #endif
1044 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1045 strvis(char *, const char *, int);
1046 #endif
1047
1048 #if !defined(HAVE_STRVISX) || defined(NEED_STRVISX_PROTO)
1049 #ifndef HAVE_STRVISX
1050 #define strvisx rk_strvisx
1051 #endif
1052 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1053 strvisx(char *, const char *, size_t, int);
1054 #endif
1055
1056 #if !defined(HAVE_SVIS) || defined(NEED_SVIS_PROTO)
1057 #ifndef HAVE_SVIS
1058 #define svis rk_svis
1059 #endif
1060 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
1061 svis(char *, int, int, int, const char *);
1062 #endif
1063
1064 #if !defined(HAVE_UNVIS) || defined(NEED_UNVIS_PROTO)
1065 #ifndef HAVE_UNVIS
1066 #define unvis rk_unvis
1067 #endif
1068 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1069 unvis(char *, int, int *, int);
1070 #endif
1071
1072 #if !defined(HAVE_VIS) || defined(NEED_VIS_PROTO)
1073 #ifndef HAVE_VIS
1074 #define vis rk_vis
1075 #endif
1076 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
1077 vis(char *, int, int, int);
1078 #endif
1079
1080 #if !defined(HAVE_CLOSEFROM)
1081 #define closefrom rk_closefrom
1082 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1083 closefrom(int);
1084 #endif
1085
1086 #if !defined(HAVE_TIMEGM)
1087 #define timegm rk_timegm
1088 ROKEN_LIB_FUNCTION time_t ROKEN_LIB_CALL
1089 rk_timegm(struct tm *tm);
1090 #endif
1091
1092 #ifdef NEED_QSORT
1093 #define qsort rk_qsort
1094 void
1095 rk_qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1096 #endif
1097
1098 #if defined(HAVE_ARC4RANDOM)
1099 #define rk_random() arc4random()
1100 #elif defined(HAVE_RANDOM)
1101 #define rk_random() random()
1102 #else
1103 #define rk_random() rand()
1104 #endif
1105
1106 #ifndef HAVE_TDELETE
1107 #define tdelete(a,b,c) rk_tdelete(a,b,c)
1108 #endif
1109 #ifndef HAVE_TFIND
1110 #define tfind(a,b,c) rk_tfind(a,b,c)
1111 #endif
1112 #ifndef HAVE_TSEARCH
1113 #define tsearch(a,b,c) rk_tsearch(a,b,c)
1114 #endif
1115 #ifndef HAVE_TWALK
1116 #define twalk(a,b) rk_twalk(a,b)
1117 #endif
1118
1119 #if defined(__linux__) && defined(SOCK_CLOEXEC) && !defined(SOCKET_WRAPPER_REPLACE) && !defined(__SOCKET_WRAPPER_H__)
1120 #undef socket
1121 #define socket(_fam,_type,_prot) rk_socket(_fam,_type,_prot)
1122 int ROKEN_LIB_FUNCTION rk_socket(int, int, int);
1123 #endif
1124
1125 #ifdef SOCKET_WRAPPER_REPLACE
1126 #include <socket_wrapper.h>
1127 #endif
1128
1129 ROKEN_CPP_END