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_FUNCTION
  47 #define ROKEN_LIB_CALL     __cdecl
  48 #else
  49 #define ROKEN_LIB_FUNCTION
  50 #define ROKEN_LIB_CALL
  51 #endif
  52 #endif
  53
  54 #ifdef HAVE_WINSOCK
  55 /* Declarations for Microsoft Windows */
  56
  57 #include<ws2tcpip.h>
  58
  59 /*
  60  * error codes for inet_ntop/inet_pton
  61  */
  62 #define EAFNOSUPPORT WSAEAFNOSUPPORT
  63
  64 typedef SOCKET rk_socket_t;
  65
  66 #define rk_closesocket(x) closesocket(x)
  67 #define rk_INVALID_SOCKET INVALID_SOCKET
  68 #define rk_IS_BAD_SOCKET(s) ((s) == INVALID_SOCKET)
  69 #define rk_IS_SOCKET_ERROR(rv) ((rv) == SOCKET_ERROR)
  70 #define rk_SOCK_ERRNO WSAGetLastError()
  71
  72 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_SOCK_IOCTL(SOCKET s, long cmd, int * argp);
  73
  74 #define ETIMEDOUT               WSAETIMEDOUT
  75 #define EWOULDBLOCK             WSAEWOULDBLOCK
  76 #define ENOTSOCK                WSAENOTSOCK
  77
  78 #define rk_SOCK_INIT() rk_WSAStartup()
  79 #define rk_SOCK_EXIT() rk_WSACleanup()
  80
  81 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_WSAStartup(void);
  82 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_WSACleanup(void);
  83
  84 #else  /* not WinSock */
  85
  86 typedef int rk_socket_t;
  87
  88 #define rk_closesocket(x) close(x)
  89 #define rk_SOCK_IOCTL(s,c,a) ioctl((s),(c),(a))
  90 #define rk_IS_BAD_SOCKET(s) ((s) < 0)
  91 #define rk_IS_SOCKET_ERROR(rv) ((rv) < 0)
  92 #define rk_SOCK_ERRNO errno
  93 #define rk_INVALID_SOCKET (-1)
  94
  95 #define rk_SOCK_INIT() 0
  96 #define rk_SOCK_EXIT() do { } while(0)
  97
  98 #endif
  99
 100 #ifdef _MSC_VER
 101 /* Declarations for Microsoft Visual C runtime on Windows */
 102
 103 #include<process.h>
 104
 105 #include<io.h>
 106
 107 #ifndef __BIT_TYPES_DEFINED__
 108 #define __BIT_TYPES_DEFINED__
 109
 110 typedef __int8             int8_t;
 111 typedef __int16            int16_t;
 112 typedef __int32            int32_t;
 113 typedef __int64            int64_t;
 114 typedef unsigned __int8    uint8_t;
 115 typedef unsigned __int16   uint16_t;
 116 typedef unsigned __int32   uint32_t;
 117 typedef unsigned __int64   uint64_t;
 118 typedef uint8_t            u_int8_t;
 119 typedef uint16_t           u_int16_t;
 120 typedef uint32_t           u_int32_t;
 121 typedef uint64_t           u_int64_t;
 122
 123 #endif  /* __BIT_TYPES_DEFINED__ */
 124
 125 #define UNREACHABLE(x) x
 126 #define UNUSED_ARGUMENT(x) ((void) x)
 127
 128 #define RETSIGTYPE void
 129
 130 #define VOID_RETSIGTYPE 1
 131
 132 #ifdef VOID_RETSIGTYPE
 133 #define SIGRETURN(x) return
 134 #else
 135 #define SIGRETURN(x) return (RETSIGTYPE)(x)
 136 #endif
 137
 138 #ifndef CPP_ONLY
 139
 140 typedef int pid_t;
 141
 142 typedef unsigned int gid_t;
 143
 144 typedef unsigned int uid_t;
 145
 146 typedef unsigned short mode_t;
 147
 148 #endif
 149
 150 #ifndef __cplusplus
 151 #define inline __inline
 152 #endif
 153
 154 #else
 155
 156 #define UNREACHABLE(x)
 157 #define UNUSED_ARGUMENT(x)
 158
 159 #endif
 160
 161 #ifdef _AIX
 162 struct ether_addr;
 163 struct sockaddr_dl;
 164 #endif
 165 #ifdef HAVE_SYS_PARAM_H
 166 #include <sys/param.h>
 167 #endif
 168 #ifdef HAVE_INTTYPES_H
 169 #include <inttypes.h>
 170 #endif
 171 #ifdef HAVE_SYS_TYPES_H
 172 #include <sys/types.h>
 173 #endif
 174 #ifdef HAVE_SYS_BITYPES_H
 175 #include <sys/bitypes.h>
 176 #endif
 177 #ifdef HAVE_BIND_BITYPES_H
 178 #include <bind/bitypes.h>
 179 #endif
 180 #ifdef HAVE_NETINET_IN6_MACHTYPES_H
 181 #include <netinet/in6_machtypes.h>
 182 #endif
 183 #ifdef HAVE_UNISTD_H
 184 #include <unistd.h>
 185 #endif
 186 #ifdef HAVE_SYS_SOCKET_H
 187 #include <sys/socket.h>
 188 #endif
 189 #ifdef HAVE_SYS_UIO_H
 190 #include <sys/uio.h>
 191 #endif
 192 #ifdef HAVE_GRP_H
 193 #include <grp.h>
 194 #endif
 195 #ifdef HAVE_SYS_STAT_H
 196 #include <sys/stat.h>
 197 #endif
 198 #ifdef HAVE_NETINET_IN_H
 199 #include <netinet/in.h>
 200 #endif
 201 #ifdef HAVE_NETINET_IN6_H
 202 #include <netinet/in6.h>
 203 #endif
 204 #ifdef HAVE_NETINET6_IN6_H
 205 #include <netinet6/in6.h>
 206 #endif
 207 #ifdef HAVE_ARPA_INET_H
 208 #include <arpa/inet.h>
 209 #endif
 210 #ifdef HAVE_NETDB_H
 211 #include <netdb.h>
 212 #endif
 213 #ifdef HAVE_ARPA_NAMESER_H
 214 #include <arpa/nameser.h>
 215 #endif
 216 #ifdef HAVE_RESOLV_H
 217 #include <resolv.h>
 218 #endif
 219 #ifdef HAVE_SYSLOG_H
 220 #include <syslog.h>
 221 #endif
 222 #ifdef HAVE_FCNTL_H
 223 #include <fcntl.h>
 224 #endif
 225 #ifdef HAVE_ERRNO_H
 226 #include <errno.h>
 227 #endif
 228 #include <err.h>
 229 #ifdef HAVE_TERMIOS_H
 230 #include <termios.h>
 231 #endif
 232 #ifdef HAVE_SYS_IOCTL_H
 233 #include <sys/ioctl.h>
 234 #endif
 235 #ifdef TIME_WITH_SYS_TIME
 236 #include <sys/time.h>
 237 #include <time.h>
 238 #elif defined(HAVE_SYS_TIME_H)
 239 #include <sys/time.h>
 240 #else
 241 #include <time.h>
 242 #endif
 243
 244 #ifdef HAVE_WS2TCPIP_H
 245 #include <ws2tcpip.h>
 246 #endif
 247
 248 #ifdef HAVE_PATHS_H
 249 #include <paths.h>
 250 #endif
 251
 252 #ifdef HAVE_DIRENT_H
 253 #include <dirent.h>
 254 #endif
 255
 256 #ifdef BACKSLASH_PATH_DELIM
 257 #define rk_PATH_DELIM '\\'
 258 #endif
 259
 260 #ifndef HAVE_SSIZE_T
 261 #ifdef _WIN64
 262 typedef __int64 ssize_t;
 263 #else
 264 typedef int ssize_t;
 265 #endif
 266 #endif
 267
 268 #include <roken-common.h>
 269
 270 ROKEN_CPP_START
 271
 272 #ifdef HAVE_UINTPTR_T
 273 #define rk_UNCONST(x) ((void *)(uintptr_t)(const void *)(x))
 274 #else
 275 #define rk_UNCONST(x) ((void *)(unsigned long)(const void *)(x))
 276 #endif
 277
 278 #if !defined(HAVE_SETSID) && defined(HAVE__SETSID)
 279 #define setsid _setsid
 280 #endif
 281
 282 #ifdef _MSC_VER
 283 /* Additional macros for Visual C/C++ runtime */
 284
 285 #define close   _close
 286
 287 #define getpid  _getpid
 288
 289 #define open    _open
 290
 291 #define chdir   _chdir
 292
 293 #define fsync   _commit
 294
 295 /* The MSVC implementation of snprintf is not C99 compliant.  */
 296 #define snprintf    rk_snprintf
 297 #define vsnprintf   rk_vsnprintf
 298 #define vasnprintf  rk_vasnprintf
 299 #define vasprintf   rk_vasprintf
 300 #define asnprintf   rk_asnprintf
 301 #define asprintf    rk_asprintf
 302
 303 #define _PIPE_BUFFER_SZ 8192
 304 #define pipe(fds) _pipe((fds), _PIPE_BUFFER_SZ, O_BINARY);
 305
 306 #define ftruncate(fd, sz) _chsize((fd), (sz))
 307
 308 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 309 rk_snprintf (char *str, size_t sz, const char *format, ...);
 310
 311 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 312 rk_asprintf (char **ret, const char *format, ...);
 313
 314 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 315 rk_asnprintf (char **ret, size_t max_sz, const char *format, ...);
 316
 317 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 318 rk_vasprintf (char **ret, const char *format, va_list args);
 319
 320 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 321 rk_vasnprintf (char **ret, size_t max_sz, const char *format, va_list args);
 322
 323 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 324 rk_vsnprintf (char *str, size_t sz, const char *format, va_list args);
 325
 326 /* missing stat.h predicates */
 327
 328 #define S_ISREG(m) (((m) & _S_IFREG) == _S_IFREG)
 329
 330 #define S_ISDIR(m) (((m) & _S_IFDIR) == _S_IFDIR)
 331
 332 #define S_ISCHR(m) (((m) & _S_IFCHR) == _S_IFCHR)
 333
 334 #define S_ISFIFO(m) (((m) & _S_IFIFO) == _S_IFIFO)
 335
 336 /* The following are not implemented:
 337
 338  S_ISLNK(m)
 339  S_ISSOCK(m)
 340  S_ISBLK(m)
 341 */
 342
 343 #endif  /* _MSC_VER */
 344
 345 #ifdef HAVE_WINSOCK
 346
 347 /* While we are at it, define WinSock specific scatter gather socket
 348    I/O. */
 349
 350 #define iovec    _WSABUF
 351 #define iov_base buf
 352 #define iov_len  len
 353
 354 struct msghdr {
 355     void           *msg_name;
 356     socklen_t       msg_namelen;
 357     struct iovec   *msg_iov;
 358     size_t          msg_iovlen;
 359     void           *msg_control;
 360     socklen_t       msg_controllen;
 361     int             msg_flags;
 362 };
 363
 364 #define sendmsg sendmsg_w32
 365
 366 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 367 sendmsg_w32(rk_socket_t s, const struct msghdr * msg, int flags);
 368
 369 #endif  /* HAVE_WINSOCK */
 370
 371 #ifndef HAVE_PUTENV
 372 #define putenv rk_putenv
 373 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL putenv(const char *);
 374 #endif
 375
 376 #if !defined(HAVE_SETENV) || defined(NEED_SETENV_PROTO)
 377 #ifndef HAVE_SETENV
 378 #define setenv rk_setenv
 379 #endif
 380 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL setenv(const char *, const char *, int);
 381 #endif
 382
 383 #if !defined(HAVE_UNSETENV) || defined(NEED_UNSETENV_PROTO)
 384 #ifndef HAVE_UNSETENV
 385 #define unsetenv rk_unsetenv
 386 #endif
 387 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL unsetenv(const char *);
 388 #endif
 389
 390 #if !defined(HAVE_GETUSERSHELL) || defined(NEED_GETUSERSHELL_PROTO)
 391 #ifndef HAVE_GETUSERSHELL
 392 #define getusershell rk_getusershell
 393 #define endusershell rk_endusershell
 394 #endif
 395 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL getusershell(void);
 396 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL endusershell(void);
 397 #endif
 398
 399 #if !defined(HAVE_SNPRINTF) || defined(NEED_SNPRINTF_PROTO)
 400 #ifndef HAVE_SNPRINTF
 401 #define snprintf rk_snprintf
 402 #endif
 403 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 404      rk_snprintf (char *, size_t, const char *, ...)
 405      __attribute__ ((format (printf, 3, 4)));
 406 #endif
 407
 408 #if !defined(HAVE_VSNPRINTF) || defined(NEED_VSNPRINTF_PROTO)
 409 #ifndef HAVE_VSNPRINTF
 410 #define vsnprintf rk_vsnprintf
 411 #endif
 412 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 413      rk_vsnprintf (char *, size_t, const char *, va_list)
 414      __attribute__((format (printf, 3, 0)));
 415 #endif
 416
 417 #if !defined(HAVE_ASPRINTF) || defined(NEED_ASPRINTF_PROTO)
 418 #ifndef HAVE_ASPRINTF
 419 #define asprintf rk_asprintf
 420 #endif
 421 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 422      rk_asprintf (char **, const char *, ...)
 423      __attribute__ ((format (printf, 2, 3)));
 424 #endif
 425
 426 #if !defined(HAVE_VASPRINTF) || defined(NEED_VASPRINTF_PROTO)
 427 #ifndef HAVE_VASPRINTF
 428 #define vasprintf rk_vasprintf
 429 #endif
 430 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 431     rk_vasprintf (char **, const char *, va_list)
 432      __attribute__((format (printf, 2, 0)));
 433 #endif
 434
 435 #if !defined(HAVE_ASNPRINTF) || defined(NEED_ASNPRINTF_PROTO)
 436 #ifndef HAVE_ASNPRINTF
 437 #define asnprintf rk_asnprintf
 438 #endif
 439 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 440     rk_asnprintf (char **, size_t, const char *, ...)
 441      __attribute__ ((format (printf, 3, 4)));
 442 #endif
 443
 444 #if !defined(HAVE_VASNPRINTF) || defined(NEED_VASNPRINTF_PROTO)
 445 #ifndef HAVE_VASNPRINTF
 446 #define vasnprintf rk_vasnprintf
 447 #endif
 448 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 449     vasnprintf (char **, size_t, const char *, va_list)
 450      __attribute__((format (printf, 3, 0)));
 451 #endif
 452
 453 #ifndef HAVE_STRDUP
 454 #define strdup rk_strdup
 455 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strdup(const char *);
 456 #endif
 457
 458 #if !defined(HAVE_STRNDUP) || defined(NEED_STRNDUP_PROTO)
 459 #ifndef HAVE_STRNDUP
 460 #define strndup rk_strndup
 461 #endif
 462 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strndup(const char *, size_t);
 463 #endif
 464
 465 #ifndef HAVE_STRLWR
 466 #define strlwr rk_strlwr
 467 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strlwr(char *);
 468 #endif
 469
 470 #ifndef HAVE_STRNLEN
 471 #define strnlen rk_strnlen
 472 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strnlen(const char*, size_t);
 473 #endif
 474
 475 #if !defined(HAVE_STRSEP) || defined(NEED_STRSEP_PROTO)
 476 #ifndef HAVE_STRSEP
 477 #define strsep rk_strsep
 478 #endif
 479 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strsep(char**, const char*);
 480 #endif
 481
 482 #if !defined(HAVE_STRSEP_COPY) || defined(NEED_STRSEP_COPY_PROTO)
 483 #ifndef HAVE_STRSEP_COPY
 484 #define strsep_copy rk_strsep_copy
 485 #endif
 486 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL strsep_copy(const char**, const char*, char*, size_t);
 487 #endif
 488
 489 #ifndef HAVE_STRCASECMP
 490 #define strcasecmp rk_strcasecmp
 491 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL strcasecmp(const char *, const char *);
 492 #endif
 493
 494 #ifdef NEED_FCLOSE_PROTO
 495 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL fclose(FILE *);
 496 #endif
 497
 498 #ifdef NEED_STRTOK_R_PROTO
 499 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strtok_r(char *, const char *, char **);
 500 #endif
 501
 502 #ifndef HAVE_STRUPR
 503 #define strupr rk_strupr
 504 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strupr(char *);
 505 #endif
 506
 507 #ifndef HAVE_STRLCPY
 508 #define strlcpy rk_strlcpy
 509 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strlcpy (char *, const char *, size_t);
 510 #endif
 511
 512 #ifndef HAVE_STRLCAT
 513 #define strlcat rk_strlcat
 514 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strlcat (char *, const char *, size_t);
 515 #endif
 516
 517 #ifndef HAVE_GETDTABLESIZE
 518 #define getdtablesize rk_getdtablesize
 519 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL getdtablesize(void);
 520 #endif
 521
 522 #if !defined(HAVE_STRERROR) && !defined(strerror)
 523 #define strerror rk_strerror
 524 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strerror(int);
 525 #endif
 526
 527 #if (!defined(HAVE_STRERROR_R) && !defined(strerror_r)) || (!defined(STRERROR_R_PROTO_COMPATIBLE) && defined(HAVE_STRERROR_R))
 528 int ROKEN_LIB_FUNCTION rk_strerror_r(int, char *, size_t);
 529 #else
 530 #define rk_strerror_r strerror_r
 531 #endif
 532
 533 #if !defined(HAVE_HSTRERROR) || defined(NEED_HSTRERROR_PROTO)
 534 #ifndef HAVE_HSTRERROR
 535 #define hstrerror rk_hstrerror
 536 #endif
 537 /* This causes a fatal error under Psoriasis */
 538 #ifndef SunOS
 539 const char * ROKEN_LIB_FUNCTION hstrerror(int);
 540 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL hstrerror(int);
 541 #endif
 542 #endif
 543
 544 #if !HAVE_DECL_H_ERRNO
 545 extern int h_errno;
 546 #endif
 547
 548 #if !defined(HAVE_INET_ATON) || defined(NEED_INET_ATON_PROTO)
 549 #ifndef HAVE_INET_ATON
 550 #define inet_aton rk_inet_aton
 551 #endif
 552 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL inet_aton(const char *, struct in_addr *);
 553 #endif
 554
 555 #ifndef HAVE_INET_NTOP
 556 #define inet_ntop rk_inet_ntop
 557 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
 558 inet_ntop(int af, const void *src, char *dst, size_t size);
 559 #endif
 560
 561 #ifndef HAVE_INET_PTON
 562 #define inet_pton rk_inet_pton
 563 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 564 inet_pton(int, const char *, void *);
 565 #endif
 566
 567 #ifndef HAVE_GETCWD
 568 #define getcwd rk_getcwd
 569 ROKEN_LIB_FUNCTION char* ROKEN_LIB_CALL getcwd(char *, size_t);
 570 #endif
 571
 572 #ifdef HAVE_PWD_H
 573 #include <pwd.h>
 574 ROKEN_LIB_FUNCTION struct passwd * ROKEN_LIB_CALL k_getpwnam (const char *);
 575 ROKEN_LIB_FUNCTION struct passwd * ROKEN_LIB_CALL k_getpwuid (uid_t);
 576 #endif
 577
 578 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL get_default_username (void);
 579
 580 #ifndef HAVE_SETEUID
 581 #define seteuid rk_seteuid
 582 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL seteuid(uid_t);
 583 #endif
 584
 585 #ifndef HAVE_SETEGID
 586 #define setegid rk_setegid
 587 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL setegid(gid_t);
 588 #endif
 589
 590 #ifndef HAVE_LSTAT
 591 #define lstat rk_lstat
 592 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL lstat(const char *, struct stat *);
 593 #endif
 594
 595 #if !defined(HAVE_MKSTEMP) || defined(NEED_MKSTEMP_PROTO)
 596 #ifndef HAVE_MKSTEMP
 597 #define mkstemp rk_mkstemp
 598 #endif
 599 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL mkstemp(char *);
 600 #endif
 601
 602 #ifndef HAVE_CGETENT
 603 #define cgetent rk_cgetent
 604 #define cgetstr rk_cgetstr
 605 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL cgetent(char **, char **, const char *);
 606 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL cgetstr(char *, const char *, char **);
 607 #endif
 608
 609 #ifndef HAVE_INITGROUPS
 610 #define initgroups rk_initgroups
 611 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL initgroups(const char *, gid_t);
 612 #endif
 613
 614 #ifndef HAVE_FCHOWN
 615 #define fchown rk_fchown
 616 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL fchown(int, uid_t, gid_t);
 617 #endif
 618
 619 #ifdef RENAME_DOES_NOT_UNLINK
 620 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_rename(const char *, const char *);
 621 #else
 622 #define rk_rename rename
 623 #endif
 624
 625 #if !defined(HAVE_DAEMON) || defined(NEED_DAEMON_PROTO)
 626 #ifndef HAVE_DAEMON
 627 #define daemon rk_daemon
 628 #endif
 629 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL daemon(int, int);
 630 #endif
 631
 632 #ifndef HAVE_CHOWN
 633 #define chown rk_chown
 634 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL chown(const char *, uid_t, gid_t);
 635 #endif
 636
 637 #ifndef HAVE_RCMD
 638 #define rcmd rk_rcmd
 639 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 640     rcmd(char **, unsigned short, const char *,
 641          const char *, const char *, int *);
 642 #endif
 643
 644 #if !defined(HAVE_INNETGR) || defined(NEED_INNETGR_PROTO)
 645 #ifndef HAVE_INNETGR
 646 #define innetgr rk_innetgr
 647 #endif
 648 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL innetgr(const char*, const char*,
 649     const char*, const char*);
 650 #endif
 651
 652 #ifndef HAVE_IRUSEROK
 653 #define iruserok rk_iruserok
 654 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL iruserok(unsigned, int,
 655     const char *, const char *);
 656 #endif
 657
 658 #if !defined(HAVE_GETHOSTNAME) || defined(NEED_GETHOSTNAME_PROTO)
 659 #ifndef HAVE_GETHOSTNAME
 660 #define gethostname rk_gethostname
 661 #endif
 662 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL gethostname(char *, int);
 663 #endif
 664
 665 #ifndef HAVE_WRITEV
 666 #define writev rk_writev
 667 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 668 writev(int, const struct iovec *, int);
 669 #endif
 670
 671 #ifndef HAVE_READV
 672 #define readv rk_readv
 673 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 674 readv(int, const struct iovec *, int);
 675 #endif
 676
 677 #ifndef HAVE_PIDFILE
 678 #ifdef NO_PIDFILES
 679 #define pidfile(x) ((void) 0)
 680 #else
 681 #define pidfile rk_pidfile
 682 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL pidfile (const char*);
 683 #endif
 684 #endif
 685
 686 #ifndef HAVE_BSWAP32
 687 #define bswap32 rk_bswap32
 688 ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL bswap32(unsigned int);
 689 #endif
 690
 691 #ifndef HAVE_BSWAP16
 692 #define bswap16 rk_bswap16
 693 ROKEN_LIB_FUNCTION unsigned short ROKEN_LIB_CALL bswap16(unsigned short);
 694 #endif
 695
 696 #ifndef HAVE_FLOCK
 697 #ifndef LOCK_SH
 698 #define LOCK_SH   1             /* Shared lock */
 699 #endif
 700 #ifndef LOCK_EX
 701 #define LOCK_EX   2             /* Exclusive lock */
 702 #endif
 703 #ifndef LOCK_NB
 704 #define LOCK_NB   4             /* Don't block when locking */
 705 #endif
 706 #ifndef LOCK_UN
 707 #define LOCK_UN   8             /* Unlock */
 708 #endif
 709
 710 #define flock(_x,_y) rk_flock(_x,_y)
 711 int rk_flock(int fd, int operation);
 712 #endif /* HAVE_FLOCK */
 713
 714 #ifndef HAVE_DIRFD
 715 #ifdef HAVE_DIR_DD_FD
 716 #define dirfd(x) ((x)->dd_fd)
 717 #else
 718 #ifndef _WIN32 /* Windows code never calls dirfd */
 719 #error Missing dirfd() and ->dd_fd
 720 #endif
 721 #endif
 722 #endif
 723
 724 ROKEN_LIB_FUNCTION time_t ROKEN_LIB_CALL tm2time (struct tm, int);
 725
 726 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL unix_verify_user(char *, char *);
 727
 728 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL roken_concat (char *, size_t, ...);
 729
 730 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL roken_mconcat (char **, size_t, ...);
 731
 732 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL roken_vconcat (char *, size_t, va_list);
 733
 734 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
 735     roken_vmconcat (char **, size_t, va_list);
 736
 737 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 738     net_write (rk_socket_t, const void *, size_t);
 739
 740 ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
 741     net_read (rk_socket_t, void *, size_t);
 742
 743 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 744     issuid(void);
 745
 746 #ifndef HAVE_STRUCT_WINSIZE
 747 struct winsize {
 748         unsigned short ws_row, ws_col;
 749         unsigned short ws_xpixel, ws_ypixel;
 750 };
 751 #endif
 752
 753 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL get_window_size(int fd, struct winsize *);
 754
 755 #ifndef HAVE_VSYSLOG
 756 #define vsyslog rk_vsyslog
 757 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL vsyslog(int, const char *, va_list);
 758 #endif
 759
 760 #if !HAVE_DECL_OPTARG
 761 extern char *optarg;
 762 #endif
 763 #if !HAVE_DECL_OPTIND
 764 extern int optind;
 765 #endif
 766 #if !HAVE_DECL_OPTERR
 767 extern int opterr;
 768 #endif
 769
 770 #ifndef HAVE_GETIPNODEBYNAME
 771 #define getipnodebyname rk_getipnodebyname
 772 ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
 773 getipnodebyname (const char *, int, int, int *);
 774 #endif
 775
 776 #ifndef HAVE_GETIPNODEBYADDR
 777 #define getipnodebyaddr rk_getipnodebyaddr
 778 ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
 779 getipnodebyaddr (const void *, size_t, int, int *);
 780 #endif
 781
 782 #ifndef HAVE_FREEHOSTENT
 783 #define freehostent rk_freehostent
 784 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
 785 freehostent (struct hostent *);
 786 #endif
 787
 788 #ifndef HAVE_COPYHOSTENT
 789 #define copyhostent rk_copyhostent
 790 ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
 791 copyhostent (const struct hostent *);
 792 #endif
 793
 794 #ifndef HAVE_SOCKLEN_T
 795 typedef int socklen_t;
 796 #endif
 797
 798 #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
 799
 800 #ifndef HAVE_SA_FAMILY_T
 801 typedef unsigned short sa_family_t;
 802 #endif
 803
 804 #ifdef HAVE_IPV6
 805 #define _SS_MAXSIZE sizeof(struct sockaddr_in6)
 806 #else
 807 #define _SS_MAXSIZE sizeof(struct sockaddr_in)
 808 #endif
 809
 810 #define _SS_ALIGNSIZE   sizeof(unsigned long)
 811
 812 #if HAVE_STRUCT_SOCKADDR_SA_LEN
 813
 814 typedef unsigned char roken_sa_family_t;
 815
 816 #define _SS_PAD1SIZE   ((2 * _SS_ALIGNSIZE - sizeof (roken_sa_family_t) - sizeof(unsigned char)) % _SS_ALIGNSIZE)
 817 #define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + sizeof(unsigned char) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
 818
 819 struct sockaddr_storage {
 820     unsigned char       ss_len;
 821     roken_sa_family_t   ss_family;
 822     char                __ss_pad1[_SS_PAD1SIZE];
 823     unsigned long       __ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
 824 };
 825
 826 #else /* !HAVE_STRUCT_SOCKADDR_SA_LEN */
 827
 828 typedef unsigned short roken_sa_family_t;
 829
 830 #define _SS_PAD1SIZE   ((2 * _SS_ALIGNSIZE - sizeof (roken_sa_family_t)) % _SS_ALIGNSIZE)
 831 #define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
 832
 833 struct sockaddr_storage {
 834     roken_sa_family_t   ss_family;
 835     char                __ss_pad1[_SS_PAD1SIZE];
 836     unsigned long       __ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
 837 };
 838
 839 #endif /* HAVE_STRUCT_SOCKADDR_SA_LEN */
 840
 841 #endif /* HAVE_STRUCT_SOCKADDR_STORAGE */
 842
 843 #ifndef HAVE_STRUCT_ADDRINFO
 844 struct addrinfo {
 845     int    ai_flags;
 846     int    ai_family;
 847     int    ai_socktype;
 848     int    ai_protocol;
 849     size_t ai_addrlen;
 850     char  *ai_canonname;
 851     struct sockaddr *ai_addr;
 852     struct addrinfo *ai_next;
 853 };
 854 #endif
 855
 856 #ifndef HAVE_GETADDRINFO
 857 #define getaddrinfo rk_getaddrinfo
 858 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 859 getaddrinfo(const char *,
 860             const char *,
 861             const struct addrinfo *,
 862             struct addrinfo **);
 863 #endif
 864
 865 #ifndef HAVE_GETNAMEINFO
 866 #define getnameinfo rk_getnameinfo
 867 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 868 getnameinfo(const struct sockaddr *, socklen_t,
 869                 char *, size_t,
 870                 char *, size_t,
 871                 int);
 872 #endif
 873
 874 #ifndef HAVE_FREEADDRINFO
 875 #define freeaddrinfo rk_freeaddrinfo
 876 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
 877 freeaddrinfo(struct addrinfo *);
 878 #endif
 879
 880 #ifndef HAVE_GAI_STRERROR
 881 #define gai_strerror rk_gai_strerror
 882 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
 883 gai_strerror(int);
 884 #endif
 885
 886 #ifdef NO_SLEEP
 887
 888 ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL
 889 sleep(unsigned int seconds);
 890
 891 #endif
 892
 893 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 894 getnameinfo_verified(const struct sockaddr *, socklen_t,
 895                      char *, size_t,
 896                      char *, size_t,
 897                      int);
 898
 899 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 900 roken_getaddrinfo_hostspec(const char *, int, struct addrinfo **);
 901 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 902 roken_getaddrinfo_hostspec2(const char *, int, int, struct addrinfo **);
 903
 904 #ifndef HAVE_STRFTIME
 905 #define strftime rk_strftime
 906 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
 907 strftime (char *, size_t, const char *, const struct tm *);
 908 #endif
 909
 910 #ifndef HAVE_STRPTIME
 911 #define strptime rk_strptime
 912 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
 913 strptime (const char *, const char *, struct tm *);
 914 #endif
 915
 916 #ifndef HAVE_GETTIMEOFDAY
 917 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 918 gettimeofday (struct timeval *, void *);
 919 #endif
 920
 921 #ifndef HAVE_EMALLOC
 922 #define emalloc rk_emalloc
 923 ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL emalloc (size_t);
 924 #endif
 925 #ifndef HAVE_ECALLOC
 926 #define ecalloc rk_ecalloc
 927 ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL ecalloc(size_t, size_t);
 928 #endif
 929 #ifndef HAVE_EREALLOC
 930 #define erealloc rk_erealloc
 931 ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL erealloc (void *, size_t);
 932 #endif
 933 #ifndef HAVE_ESTRDUP
 934 #define estrdup rk_estrdup
 935 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL estrdup (const char *);
 936 #endif
 937
 938 /*
 939  * kludges and such
 940  */
 941
 942 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 943 roken_gethostby_setup(const char*, const char*);
 944 ROKEN_LIB_FUNCTION struct hostent* ROKEN_LIB_CALL
 945 roken_gethostbyname(const char*);
 946 ROKEN_LIB_FUNCTION struct hostent* ROKEN_LIB_CALL
 947 roken_gethostbyaddr(const void*, size_t, int);
 948
 949 #ifdef GETSERVBYNAME_PROTO_COMPATIBLE
 950 #define roken_getservbyname(x,y) getservbyname(x,y)
 951 #else
 952 #define roken_getservbyname(x,y) getservbyname((char *)x, (char *)y)
 953 #endif
 954
 955 #ifdef OPENLOG_PROTO_COMPATIBLE
 956 #define roken_openlog(a,b,c) openlog(a,b,c)
 957 #else
 958 #define roken_openlog(a,b,c) openlog((char *)a,b,c)
 959 #endif
 960
 961 #ifdef GETSOCKNAME_PROTO_COMPATIBLE
 962 #define roken_getsockname(a,b,c) getsockname(a,b,c)
 963 #else
 964 #define roken_getsockname(a,b,c) getsockname(a, b, (void*)c)
 965 #endif
 966
 967 #ifndef HAVE_SETPROGNAME
 968 #define setprogname rk_setprogname
 969 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL setprogname(const char *);
 970 #endif
 971
 972 #ifndef HAVE_GETPROGNAME
 973 #define getprogname rk_getprogname
 974 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL getprogname(void);
 975 #endif
 976
 977 #if !defined(HAVE_SETPROGNAME) && !defined(HAVE_GETPROGNAME) && !HAVE_DECL___PROGNAME
 978 extern const char *__progname;
 979 #endif
 980
 981 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
 982 mini_inetd_addrinfo (struct addrinfo*, rk_socket_t *);
 983
 984 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
 985 mini_inetd (int, rk_socket_t *);
 986
 987 #ifndef HAVE_LOCALTIME_R
 988 #define localtime_r rk_localtime_r
 989 ROKEN_LIB_FUNCTION struct tm * ROKEN_LIB_CALL
 990 localtime_r(const time_t *, struct tm *);
 991 #endif
 992
 993 #if !defined(HAVE_STRSVIS) || defined(NEED_STRSVIS_PROTO)
 994 #ifndef HAVE_STRSVIS
 995 #define strsvis rk_strsvis
 996 #endif
 997 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
 998 strsvis(char *, const char *, int, const char *);
 999 #endif
1000
1001 #if !defined(HAVE_STRSVISX) || defined(NEED_STRSVISX_PROTO)
1002 #ifndef HAVE_STRSVISX
1003 #define strsvisx rk_strsvisx
1004 #endif
1005 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1006 strsvisx(char *, const char *, size_t, int, const char *);
1007 #endif
1008
1009 #if !defined(HAVE_STRUNVIS) || defined(NEED_STRUNVIS_PROTO)
1010 #ifndef HAVE_STRUNVIS
1011 #define strunvis rk_strunvis
1012 #endif
1013 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1014 strunvis(char *, const char *);
1015 #endif
1016
1017 #if !defined(HAVE_STRVIS) || defined(NEED_STRVIS_PROTO)
1018 #ifndef HAVE_STRVIS
1019 #define strvis rk_strvis
1020 #endif
1021 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1022 strvis(char *, const char *, int);
1023 #endif
1024
1025 #if !defined(HAVE_STRVISX) || defined(NEED_STRVISX_PROTO)
1026 #ifndef HAVE_STRVISX
1027 #define strvisx rk_strvisx
1028 #endif
1029 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1030 strvisx(char *, const char *, size_t, int);
1031 #endif
1032
1033 #if !defined(HAVE_SVIS) || defined(NEED_SVIS_PROTO)
1034 #ifndef HAVE_SVIS
1035 #define svis rk_svis
1036 #endif
1037 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
1038 svis(char *, int, int, int, const char *);
1039 #endif
1040
1041 #if !defined(HAVE_UNVIS) || defined(NEED_UNVIS_PROTO)
1042 #ifndef HAVE_UNVIS
1043 #define unvis rk_unvis
1044 #endif
1045 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1046 unvis(char *, int, int *, int);
1047 #endif
1048
1049 #if !defined(HAVE_VIS) || defined(NEED_VIS_PROTO)
1050 #ifndef HAVE_VIS
1051 #define vis rk_vis
1052 #endif
1053 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
1054 vis(char *, int, int, int);
1055 #endif
1056
1057 #if !defined(HAVE_CLOSEFROM)
1058 #define closefrom rk_closefrom
1059 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1060 closefrom(int);
1061 #endif
1062
1063 #if !defined(HAVE_TIMEGM)
1064 #define timegm rk_timegm
1065 ROKEN_LIB_FUNCTION time_t ROKEN_LIB_CALL
1066 rk_timegm(struct tm *tm);
1067 #endif
1068
1069 #ifdef NEED_QSORT
1070 #define qsort rk_qsort
1071 void
1072 rk_qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1073 #endif
1074
1075 #if defined(__linux__) && defined(SOCK_CLOEXEC) && !defined(SOCKET_WRAPPER_REPLACE)
1076 #undef socket
1077 #define socket(_fam,_type,_prot) rk_socket(_fam,_type,_prot)
1078 int ROKEN_LIB_FUNCTION rk_socket(int, int, int);
1079 #endif
1080
1081 #ifdef SOCKET_WRAPPER_REPLACE
1082 #include <socket_wrapper.h>
1083 #endif
1084
1085 ROKEN_CPP_END