1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2012 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Eclipse Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 8 * * 9 * A copy of the License is available at * 10 * http://www.eclipse.org/org/documents/epl-v10.html * 11 * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #ifndef _SFHDR_H 23 #define _SFHDR_H 1 24 #if !defined(_BLD_sfio) && !defined(_BLD_stdio) 25 #define _BLD_sfio 1 26 #endif 27 28 /* Internal definitions for sfio. 29 ** Written by Kiem-Phong Vo 30 */ 31 32 #define _next next 33 #define _endw endw 34 #define _endr endr 35 #define _endb endb 36 #define _push push 37 #define _flags flags 38 #define _file file 39 #define _data data 40 #define _size size 41 #define _val val 42 43 #include "FEATURE/sfio" 44 #include "FEATURE/mmap" 45 46 /* define va_list, etc. before including sfio_t.h (sfio.h) */ 47 #if !_PACKAGE_ast 48 49 /* some systems don't know large files */ 50 #if defined(_NO_LARGEFILE64_SOURCE) || _mips == 2 /* || __hppa */ 51 #undef _NO_LARGEFILE64_SOURCE 52 #define _NO_LARGEFILE64_SOURCE 1 53 #undef _LARGEFILE64_SOURCE 54 #undef _LARGEFILE_SOURCE 55 #endif 56 57 #if !_NO_LARGEFILE64_SOURCE && _typ_off64_t && _lib_lseek64 && _lib_stat64 58 #undef _LARGEFILE64_SOURCE 59 #undef _LARGEFILE_SOURCE 60 #undef _FILE_OFFSET_BITS 61 #define _LARGEFILE64_SOURCE 1 /* enabling the *64 stuff */ 62 #define _LARGEFILE_SOURCE 1 63 #endif 64 65 #if _hdr_stdarg 66 #include <stdarg.h> 67 #else 68 #include <varargs.h> 69 #endif 70 #include "FEATURE/common" 71 #if !__STD_C 72 #define const 73 #endif 74 #endif /* !_PACKAGE_ast */ 75 76 #include "sfio_t.h" 77 78 /* note that the macro vt_threaded has effect on vthread.h */ 79 #include <vthread.h> 80 81 /* file system info */ 82 #if _PACKAGE_ast 83 84 #include <ast.h> 85 #include <ast_time.h> 86 #include <ast_tty.h> 87 #include <ls.h> 88 89 /* ast always provides multibyte handling */ 90 #undef _hdr_wchar 91 #undef _lib_mbrtowc 92 #undef _lib_wcrtomb 93 #define _hdr_wchar 1 94 #define _lib_mbrtowc 1 95 #define _lib_wcrtomb 1 96 97 #if _mem_st_blksize_stat 98 #define _stat_blksize 1 99 #endif 100 101 #if _lib_localeconv && _hdr_locale 102 #define _lib_locale 1 103 #endif 104 105 #define sfoff_t off_t 106 #define sfstat_t struct stat 107 #define sysclosef close 108 #define syscreatf creat 109 #define sysdupf dup 110 #define sysfcntlf fcntl 111 #define sysfstatf fstat 112 #define sysftruncatef ftruncate 113 #define syslseekf lseek 114 #define sysmmapf mmap 115 #define sysmunmapf munmap 116 #define sysopenf open 117 #define syspipef pipe 118 #define sysreadf read 119 #define sysremovef remove 120 #define sysstatf stat 121 #define syswritef write 122 123 #else /*!_PACKAGE_ast*/ 124 125 /* when building the binary compatibility package, a number of header files 126 are not needed and they may get in the way so we remove them here. 127 */ 128 #if _SFBINARY_H 129 #undef _hdr_time 130 #undef _sys_time 131 #undef _sys_stat 132 #undef _hdr_stat 133 #undef _hdr_filio 134 #undef _sys_filio 135 #undef _lib_poll 136 #undef _stream_peek 137 #undef _socket_peek 138 #undef _hdr_vfork 139 #undef _sys_vfork 140 #undef _lib_vfork 141 #undef _hdr_values 142 #undef _hdr_math 143 #undef _sys_mman 144 #undef _hdr_mman 145 #undef _sys_ioctl 146 #endif 147 148 #if _hdr_stdlib 149 #include <stdlib.h> 150 #endif 151 152 #if _hdr_string 153 #include <string.h> 154 #endif 155 156 #if _hdr_time 157 #include <time.h> 158 #endif 159 #if _sys_time 160 #include <sys/time.h> 161 #endif 162 163 #if _sys_stat 164 #include <sys/stat.h> 165 #else 166 #if _hdr_stat 167 #include <stat.h> 168 #ifndef _sys_stat 169 #define _sys_stat 1 170 #endif 171 #endif 172 #endif /*_sys_stat*/ 173 174 #ifndef _sys_stat 175 #define _sys_stat 0 176 #endif 177 178 #include <fcntl.h> 179 180 #ifndef F_SETFD 181 #ifndef FIOCLEX 182 #if _hdr_filio 183 #include <filio.h> 184 #else 185 #if _sys_filio 186 #include <sys/filio.h> 187 #endif /*_sys_filio*/ 188 #endif /*_hdr_filio*/ 189 #endif /*_FIOCLEX*/ 190 #endif /*F_SETFD*/ 191 192 #if _hdr_unistd 193 #include <unistd.h> 194 #endif 195 196 #if !_LARGEFILE64_SOURCE /* turn off the *64 stuff */ 197 #undef _typ_off64_t 198 #undef _typ_struct_stat64 199 #undef _lib_creat64 200 #undef _lib_open64 201 #undef _lib_close64 202 #undef _lib_stat64 203 #undef _lib_fstat64 204 #undef _lib_ftruncate64 205 #undef _lib_lseek64 206 #undef _lib_mmap64 207 #undef _lib_munmap64 208 #endif /*!_LARGEFILE64_SOURCE */ 209 210 /* see if we can use memory mapping for io */ 211 #if _LARGEFILE64_SOURCE && !_lib_mmap64 212 #undef _mmap_worthy 213 #endif 214 #if !_mmap_worthy 215 #undef _hdr_mman 216 #undef _sys_mman 217 #endif 218 #if _hdr_mman 219 #include <mman.h> 220 #endif 221 #if _sys_mman 222 #include <sys/mman.h> 223 #endif 224 225 /* standardize system calls and types dealing with files */ 226 #if _typ_off64_t 227 #define sfoff_t off64_t 228 #else 229 #define sfoff_t off_t 230 #endif 231 #if _typ_struct_stat64 232 #define sfstat_t struct stat64 233 #else 234 #define sfstat_t struct stat 235 #endif 236 #if _lib_lseek64 237 #define syslseekf lseek64 238 #else 239 #define syslseekf lseek 240 #endif 241 #if _lib_stat64 242 #define sysstatf stat64 243 #else 244 #define sysstatf stat 245 #endif 246 #if _lib_fstat64 247 #define sysfstatf fstat64 248 #else 249 #define sysfstatf fstat 250 #endif 251 #if _lib_mmap64 252 #define sysmmapf mmap64 253 #else 254 #define sysmmapf mmap 255 #endif 256 #if _lib_munmap64 257 #define sysmunmapf munmap64 258 #else 259 #define sysmunmapf munmap 260 #endif 261 #if _lib_open64 262 #define sysopenf open64 263 #else 264 #define sysopenf open 265 #endif 266 #if _lib_creat64 267 #define syscreatf creat64 268 #else 269 #define syscreatf creat 270 #endif 271 #if _lib_close64 272 #define sysclosef close64 273 #else 274 #define sysclosef close 275 #endif 276 #if _lib_ftruncate64 277 #undef _lib_ftruncate 278 #define _lib_ftruncate 1 279 #define sysftruncatef ftruncate64 280 #endif 281 #if !_lib_ftruncate64 && _lib_ftruncate 282 #define sysftruncatef ftruncate 283 #endif 284 #if _lib_remove 285 #define sysremovef remove 286 #else 287 #define sysremovef unlink 288 #endif 289 290 #define sysreadf read 291 #define syswritef write 292 #define syspipef pipe 293 #define sysdupf dup 294 #define sysfcntlf fcntl 295 296 #endif /*_PACKAGE_ast*/ 297 298 #if !_mmap_worthy 299 #undef MAP_TYPE 300 #endif 301 302 #include "FEATURE/float" 303 304 #include <errno.h> 305 #include <ctype.h> 306 307 /* deal with multi-byte character and string conversions */ 308 #if _PACKAGE_ast 309 310 #include <wchar.h> 311 312 #define _has_multibyte 1 313 314 #define SFMBMAX mbmax() 315 #define SFMBCPY(to,fr) memcpy((to), (fr), sizeof(mbstate_t)) 316 #define SFMBCLR(mb) memset((mb), 0, sizeof(mbstate_t)) 317 #define SFMBSET(lhs,v) (lhs = (v)) 318 #define SFMBLEN(s,mb) mbsize(s) 319 #define SFMBDCL(ms) mbstate_t ms; 320 321 #else 322 323 #if _hdr_wchar && _typ_mbstate_t && _lib_wcrtomb && _lib_mbrtowc 324 #define _has_multibyte 1 /* Xopen-compliant */ 325 #if _typ___va_list && !defined(__va_list) 326 #define __va_list va_list 327 #endif 328 #include <wchar.h> 329 #define SFMBCPY(to,fr) memcpy((to), (fr), sizeof(mbstate_t)) 330 #define SFMBCLR(mb) memset((mb), 0, sizeof(mbstate_t)) 331 #define SFMBSET(lhs,v) (lhs = (v)) 332 #define SFMBDCL(mb) mbstate_t mb; 333 #define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) ) 334 #endif /*_hdr_wchar && _typ_mbstate_t && _lib_wcrtomb && _lib_mbrtowc*/ 335 336 #if !_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb 337 #define _has_multibyte 2 /* no shift states */ 338 #include <wchar.h> 339 #undef mbrtowc 340 #define mbrtowc(wp,s,n,mb) mbtowc(wp, s, n) 341 #undef wcrtomb 342 #define wcrtomb(s,wc,mb) wctomb(s, wc) 343 #define SFMBCPY(to,fr) 344 #define SFMBCLR(mb) 345 #define SFMBSET(lhs,v) 346 #define SFMBDCL(mb) 347 #define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) ) 348 #endif /*!_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb*/ 349 350 #ifdef MB_CUR_MAX 351 #define SFMBMAX MB_CUR_MAX 352 #else 353 #define SFMBMAX sizeof(Sflong_t) 354 #endif 355 356 #endif /* _PACKAGE_ast */ 357 358 #if !_has_multibyte 359 #define _has_multibyte 0 /* no multibyte support */ 360 #define SFMBCPY(to,fr) 361 #define SFMBCLR(mb) 362 #define SFMBSET(lhs,v) 363 #define SFMBDCL(mb) 364 #define SFMBLEN(s,mb) (*(s) ? 1 : 0) 365 #endif /* _has_multibyte */ 366 367 /* dealing with streams that might be accessed concurrently */ 368 #if vt_threaded 369 370 #define SFMTXdecl(ff,_mf_) Sfio_t* _mf_ = (ff) 371 #define SFMTXbegin(ff,_mf_,rv) \ 372 { if((ff)->_flags&SF_MTSAFE) \ 373 { (_mf_) = (ff); \ 374 if(sfmutex((ff), SFMTX_LOCK) != 0) return(rv); \ 375 if(_Sfnotify) \ 376 { (*_Sfnotify)((_mf_), SF_MTACCESS, (Void_t*)(&(ff)) ); \ 377 if(!(ff)) (ff) = (_mf_); \ 378 } \ 379 } \ 380 } 381 #define SFMTXend(ff,_mf_) \ 382 { if((ff)->_flags&SF_MTSAFE) \ 383 { if(_Sfnotify) \ 384 (*_Sfnotify)((_mf_), SF_MTACCESS, NIL(Void_t*) ); \ 385 sfmutex((ff), SFMTX_UNLOCK); \ 386 (ff) = (_mf_); \ 387 } \ 388 } 389 390 #define SFONCE() (_Sfdone ? 0 : vtonce(_Sfonce,_Sfoncef)) 391 392 #define SFMTXLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_LOCK) : 0) 393 #define SFMTXUNLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_UNLOCK) : 0) 394 395 #define SFMTXDECL(ff) SFMTXdecl((ff), _mtxf1_) 396 #define SFMTXBEGIN(ff,v) { SFMTXbegin((ff), _mtxf1_, (v) ); } 397 #define SFMTXEND(ff) { SFMTXend(ff, _mtxf1_); } 398 #define SFMTXENTER(ff,v) { if(!(ff)) return(v); SFMTXBEGIN((ff), (v)); } 399 #define SFMTXRETURN(ff,v) { SFMTXEND(ff); return(v); } 400 401 #define SFMTXDECL2(ff) SFMTXdecl((ff), _mtxf2_) 402 #define SFMTXBEGIN2(ff,v) { SFMTXbegin((ff), _mtxf2_, (v) ); } 403 #define SFMTXEND2(ff) { SFMTXend((ff), _mtxf2_); } 404 405 #define POOLMTXLOCK(p) ( vtmtxlock(&(p)->mutex) ) 406 #define POOLMTXUNLOCK(p) ( vtmtxunlock(&(p)->mutex) ) 407 #define POOLMTXENTER(p) { POOLMTXLOCK(p); } 408 #define POOLMTXRETURN(p,rv) { POOLMTXUNLOCK(p); return(rv); } 409 410 #else /*!vt_threaded*/ 411 412 #undef SF_MTSAFE /* no need to worry about thread-safety */ 413 #define SF_MTSAFE 0 414 415 #define SFONCE() /*(0)*/ 416 417 #define SFMTXLOCK(f) /*(0)*/ 418 #define SFMTXUNLOCK(f) /*(0)*/ 419 420 #define SFMTXDECL(ff) /*(0)*/ 421 #define SFMTXBEGIN(ff,v) /*(0)*/ 422 #define SFMTXEND(ff) /*(0)*/ 423 #define SFMTXENTER(ff,v) { if(!(ff)) return(v); } 424 #define SFMTXRETURN(ff,v) { return(v); } 425 426 #define SFMTXDECL2(ff) /*(0)*/ 427 #define SFMTXBEGIN2(ff,v) /*(0)*/ 428 #define SFMTXEND2(ff) /*(0)*/ 429 430 #define POOLMTXLOCK(p) 431 #define POOLMTXUNLOCK(p) 432 #define POOLMTXENTER(p) 433 #define POOLMTXRETURN(p,v) { return(v); } 434 435 #endif /*vt_threaded*/ 436 437 438 /* functions for polling readiness of streams */ 439 #if _lib_select 440 #undef _lib_poll 441 #if _sys_select 442 #include <sys/select.h> 443 #endif 444 #else 445 #if _lib_poll_fd_1 || _lib_poll_fd_2 446 #define _lib_poll 1 447 #endif 448 #endif /*_lib_select_*/ 449 450 #if _lib_poll 451 #include <poll.h> 452 453 #if _lib_poll_fd_1 454 #define SFPOLL(pfd,n,tm) poll((pfd),(ulong)(n),(tm)) 455 #else 456 #define SFPOLL(pfd,n,tm) poll((ulong)(n),(pfd),(tm)) 457 #endif 458 #endif /*_lib_poll*/ 459 460 #if _stream_peek 461 #include <stropts.h> 462 #endif 463 464 #if _socket_peek 465 #include <sys/socket.h> 466 #endif 467 468 /* to test for executable access mode of a file */ 469 #ifndef X_OK 470 #define X_OK 01 471 #endif 472 473 /* alternative process forking */ 474 #if _lib_vfork && !defined(fork) && !defined(__sparc) && !defined(__sparc__) 475 #if _hdr_vfork 476 #include <vfork.h> 477 #endif 478 #if _sys_vfork 479 #include <sys/vfork.h> 480 #endif 481 #define fork vfork 482 #endif 483 484 /* to get rid of pesky compiler warnings */ 485 #if __STD_C 486 #define NOTUSED(x) (void)(x) 487 #else 488 #define NOTUSED(x) (&x,1) 489 #endif 490 491 /* Private flags in the "bits" field */ 492 #define SF_MMAP 00000001 /* in memory mapping mode */ 493 #define SF_BOTH 00000002 /* both read/write */ 494 #define SF_HOLE 00000004 /* a hole of zero's was created */ 495 #define SF_NULL 00000010 /* stream is /dev/null */ 496 #define SF_SEQUENTIAL 00000020 /* sequential access */ 497 #define SF_JUSTSEEK 00000040 /* just did a sfseek */ 498 #define SF_PRIVATE 00000100 /* private stream to Sfio, no mutex */ 499 #define SF_ENDING 00000200 /* no re-io on interrupts at closing */ 500 #define SF_WIDE 00000400 /* in wide mode - stdio only */ 501 #define SF_PUTR 00001000 /* in sfputr() */ 502 503 /* "bits" flags that must be cleared in sfclrlock */ 504 #define SF_TMPBITS 00170000 505 #define SF_DCDOWN 00010000 /* recurse down the discipline stack */ 506 507 #define SF_WCFORMAT 00020000 /* wchar_t formatting - stdio only */ 508 #if _has_multibyte 509 #define SFWCSET(f) ((f)->bits |= SF_WCFORMAT) 510 #define SFWCGET(f,v) (((v) = (f)->bits & SF_WCFORMAT), ((f)->bits &= ~SF_WCFORMAT) ) 511 #else 512 #define SFWCSET(f) 513 #define SFWCGET(f,v) 514 #endif 515 516 #define SF_MVSIZE 00040000 /* f->size was reset in sfmove() */ 517 #define SFMVSET(f) (((f)->size *= SF_NMAP), ((f)->bits |= SF_MVSIZE) ) 518 #define SFMVUNSET(f) (!((f)->bits&SF_MVSIZE) ? 0 : \ 519 (((f)->bits &= ~SF_MVSIZE), ((f)->size /= SF_NMAP)) ) 520 521 #define SFCLRBITS(f) (SFMVUNSET(f), ((f)->bits &= ~SF_TMPBITS) ) 522 523 524 /* bits for the mode field, SF_INIT defined in sfio_t.h */ 525 #define SF_RC 00000010 /* peeking for a record */ 526 #define SF_RV 00000020 /* reserve without read or most write */ 527 #define SF_LOCK 00000040 /* stream is locked for io op */ 528 #define SF_PUSH 00000100 /* stream has been pushed */ 529 #define SF_POOL 00000200 /* stream is in a pool but not current */ 530 #define SF_PEEK 00000400 /* there is a pending peek */ 531 #define SF_PKRD 00001000 /* did a peek read */ 532 #define SF_GETR 00002000 /* did a getr on this stream */ 533 #define SF_SYNCED 00004000 /* stream was synced */ 534 #define SF_STDIO 00010000 /* given up the buffer to stdio */ 535 #define SF_AVAIL 00020000 /* was closed, available for reuse */ 536 #define SF_LOCAL 00100000 /* sentinel for a local call */ 537 538 #ifdef DEBUG 539 #define ASSERT(p) ((p) ? 0 : (abort(),0) ) 540 #else 541 #define ASSERT(p) 542 #endif 543 544 /* short-hands */ 545 #define NIL(t) ((t)0) 546 #define reg register 547 #ifndef uchar 548 #define uchar unsigned char 549 #endif 550 #ifndef ulong 551 #define ulong unsigned long 552 #endif 553 #ifndef uint 554 #define uint unsigned int 555 #endif 556 #ifndef ushort 557 #define ushort unsigned short 558 #endif 559 560 #define SECOND 1000 /* millisecond units */ 561 562 /* macros do determine stream types from sfstat_t data */ 563 #ifndef S_IFDIR 564 #define S_IFDIR 0 565 #endif 566 #ifndef S_IFREG 567 #define S_IFREG 0 568 #endif 569 #ifndef S_IFCHR 570 #define S_IFCHR 0 571 #endif 572 #ifndef S_IFIFO 573 #define S_IFIFO 0 574 #endif 575 #ifndef S_ISOCK 576 #define S_ISOCK 0 577 #endif 578 579 #ifndef S_IFMT 580 #define S_IFMT (S_IFDIR|S_IFREG|S_IFCHR|S_IFIFO|S_ISOCK) 581 #endif 582 583 #ifndef S_ISDIR 584 #define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR) 585 #endif 586 #ifndef S_ISREG 587 #define S_ISREG(m) (((m)&S_IFMT) == S_IFREG) 588 #endif 589 #ifndef S_ISCHR 590 #define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR) 591 #endif 592 593 #ifndef S_ISFIFO 594 # if S_IFIFO 595 # define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO) 596 # else 597 # define S_ISFIFO(m) (0) 598 # endif 599 #endif 600 601 #ifdef S_IRUSR 602 #define SF_CREATMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 603 #else 604 #define SF_CREATMODE 0666 605 #endif 606 607 /* set close-on-exec */ 608 #ifdef F_SETFD 609 # ifndef FD_CLOEXEC 610 # define FD_CLOEXEC 1 611 # endif /*FD_CLOEXEC*/ 612 # define SETCLOEXEC(fd) ((void)fcntl((fd),F_SETFD,FD_CLOEXEC)) 613 #else 614 # ifdef FIOCLEX 615 # define SETCLOEXEC(fd) ((void)ioctl((fd),FIOCLEX,0)) 616 # else 617 # define SETCLOEXEC(fd) 618 # endif /*FIOCLEX*/ 619 #endif /*F_SETFD*/ 620 621 #define SF_FD_CLOEXEC 0x0001 622 623 /* a couple of error number that we use, default values are like Linux */ 624 #ifndef EINTR 625 #define EINTR 4 626 #endif 627 #ifndef EBADF 628 #define EBADF 9 629 #endif 630 #ifndef EAGAIN 631 #define EAGAIN 11 632 #endif 633 #ifndef ENOMEM 634 #define ENOMEM 12 635 #endif 636 #ifndef EINVAL 637 #define EINVAL 22 638 #endif 639 #ifndef ESPIPE 640 #define ESPIPE 29 641 #endif 642 643 /* function to get the decimal point for local environment */ 644 #if !defined(SFSETLOCALE) && _PACKAGE_ast 645 #include "lclib.h" 646 #define SFSETLOCALE(dp,tp) \ 647 do if (*(dp) == 0) { \ 648 Lc_numeric_t* lv = (Lc_numeric_t*)LCINFO(AST_LC_NUMERIC)->data; \ 649 *(dp) = lv->decimal; \ 650 *(tp) = lv->thousand; \ 651 } while (0) 652 #endif /*!defined(SFSETLOCALE) && _PACKAGE_ast*/ 653 654 #if !defined(SFSETLOCALE) && _lib_locale 655 #include <locale.h> 656 #define SFSETLOCALE(decimal,thousand) \ 657 do { struct lconv* lv; \ 658 if(*(decimal) == 0) \ 659 { *(decimal) = '.'; \ 660 *(thousand) = -1; \ 661 if((lv = localeconv())) \ 662 { if(lv->decimal_point && *lv->decimal_point) \ 663 *(decimal) = *(unsigned char*)lv->decimal_point; \ 664 if(lv->thousands_sep && *lv->thousands_sep) \ 665 *(thousand) = *(unsigned char*)lv->thousands_sep; \ 666 } \ 667 } \ 668 } while (0) 669 #endif /*!defined(SFSETLOCALE) && _lib_locale*/ 670 671 #if !defined(SFSETLOCALE) 672 #define SFSETLOCALE(decimal,thousand) (*(decimal)='.',*(thousand)=-1) 673 #endif 674 675 /* stream pool structure. */ 676 typedef struct _sfpool_s Sfpool_t; 677 struct _sfpool_s 678 { Sfpool_t* next; 679 int mode; /* type of pool */ 680 int s_sf; /* size of pool array */ 681 int n_sf; /* number currently in pool */ 682 Sfio_t** sf; /* array of streams */ 683 Sfio_t* array[3]; /* start with 3 */ 684 Vtmutex_t mutex; /* mutex lock object */ 685 }; 686 687 /* reserve buffer structure */ 688 typedef struct _sfrsrv_s Sfrsrv_t; 689 struct _sfrsrv_s 690 { ssize_t slen; /* last string length */ 691 ssize_t size; /* buffer size */ 692 uchar data[1]; /* data buffer */ 693 }; 694 695 /* co-process structure */ 696 typedef struct _sfproc_s Sfproc_t; 697 struct _sfproc_s 698 { int pid; /* process id */ 699 uchar* rdata; /* read data being cached */ 700 int ndata; /* size of cached data */ 701 int size; /* buffer size */ 702 int file; /* saved file descriptor */ 703 int sigp; /* sigpipe protection needed */ 704 }; 705 706 /* extensions to sfvprintf/sfvscanf */ 707 #define FP_SET(fp,fn) (fp < 0 ? (fn += 1) : (fn = fp) ) 708 #define FP_WIDTH 0 709 #define FP_PRECIS 1 710 #define FP_BASE 2 711 #define FP_STR 3 712 #define FP_SIZE 4 713 #define FP_INDEX 5 /* index size */ 714 715 typedef struct _fmt_s Fmt_t; 716 typedef struct _fmtpos_s Fmtpos_t; 717 typedef union 718 { int i, *ip; 719 long l, *lp; 720 short h, *hp; 721 uint ui; 722 ulong ul; 723 ushort uh; 724 Sflong_t ll, *llp; 725 Sfulong_t lu; 726 Sfdouble_t ld; 727 double d; 728 float f; 729 #if _has_multibyte 730 wchar_t wc; 731 wchar_t *ws, **wsp; 732 #endif 733 char c, *s, **sp; 734 uchar uc, *us, **usp; 735 Void_t *vp; 736 Sffmt_t *ft; 737 } Argv_t; 738 739 struct _fmt_s 740 { char* form; /* format string */ 741 va_list args; /* corresponding arglist */ 742 SFMBDCL(mbs) /* multibyte parsing state */ 743 744 char* oform; /* original format string */ 745 va_list oargs; /* original arg list */ 746 int argn; /* number of args already used */ 747 Fmtpos_t* fp; /* position list */ 748 749 Sffmt_t* ft; /* formatting environment */ 750 Sffmtevent_f eventf; /* event function */ 751 Fmt_t* next; /* stack frame pointer */ 752 }; 753 754 struct _fmtpos_s 755 { Sffmt_t ft; /* environment */ 756 Argv_t argv; /* argument value */ 757 int fmt; /* original format */ 758 int need[FP_INDEX]; /* positions depending on */ 759 }; 760 761 #define LEFTP '(' 762 #define RIGHTP ')' 763 #define QUOTE '\'' 764 765 #ifndef CHAR_BIT 766 #define CHAR_BIT 8 767 #endif 768 769 #define FMTSET(ft, frm,ags, fv, sz, flgs, wid,pr,bs, ts,ns) \ 770 ((ft->form = (char*)frm), va_copy(ft->args,ags), \ 771 (ft->fmt = fv), (ft->size = sz), \ 772 (ft->flags = (flgs&SFFMT_SET)), \ 773 (ft->width = wid), (ft->precis = pr), (ft->base = bs), \ 774 (ft->t_str = ts), (ft->n_str = ns) ) 775 #define FMTGET(ft, frm,ags, fv, sz, flgs, wid,pr,bs) \ 776 ((frm = ft->form), va_copy(ags,ft->args), \ 777 (fv = ft->fmt), (sz = ft->size), \ 778 (flgs = (flgs&~(SFFMT_SET))|(ft->flags&SFFMT_SET)), \ 779 (wid = ft->width), (pr = ft->precis), (bs = ft->base) ) 780 781 /* format flags&types, must coexist with those in sfio.h */ 782 #define SFFMT_FORBIDDEN 000077777777 /* for sfio.h only */ 783 #define SFFMT_EFORMAT 001000000000 /* sfcvt converting %e */ 784 #define SFFMT_MINUS 002000000000 /* minus sign */ 785 #define SFFMT_AFORMAT 004000000000 /* sfcvt converting %a */ 786 #define SFFMT_UPPER 010000000000 /* sfcvt converting upper */ 787 788 #define SFFMT_TYPES (SFFMT_SHORT|SFFMT_SSHORT | SFFMT_LONG|SFFMT_LLONG|\ 789 SFFMT_LDOUBLE | SFFMT_IFLAG|SFFMT_JFLAG| \ 790 SFFMT_TFLAG | SFFMT_ZFLAG ) 791 792 /* type of elements to be converted */ 793 #define SFFMT_INT 001 /* %d,%i */ 794 #define SFFMT_UINT 002 /* %u,o,x etc. */ 795 #define SFFMT_FLOAT 004 /* %f,e,g etc. */ 796 #define SFFMT_CHAR 010 /* %c,C */ 797 #define SFFMT_POINTER 020 /* %p,n,s,S */ 798 #define SFFMT_CLASS 040 /* %[ */ 799 800 /* local variables used across sf-functions */ 801 typedef void (*Sfnotify_f)_ARG_((Sfio_t*, int, void*)); 802 #define _Sfpage (_Sfextern.sf_page) 803 #define _Sfpool (_Sfextern.sf_pool) 804 #define _Sfpmove (_Sfextern.sf_pmove) 805 #define _Sfstack (_Sfextern.sf_stack) 806 #define _Sfnotify (_Sfextern.sf_notify) 807 #define _Sfstdsync (_Sfextern.sf_stdsync) 808 #define _Sfudisc (&(_Sfextern.sf_udisc)) 809 #define _Sfcleanup (_Sfextern.sf_cleanup) 810 #define _Sfexiting (_Sfextern.sf_exiting) 811 #define _Sfdone (_Sfextern.sf_done) 812 #define _Sfonce (_Sfextern.sf_once) 813 #define _Sfoncef (_Sfextern.sf_oncef) 814 #define _Sfmutex (_Sfextern.sf_mutex) 815 typedef struct _sfextern_s 816 { ssize_t sf_page; 817 struct _sfpool_s sf_pool; 818 int (*sf_pmove)_ARG_((Sfio_t*, int)); 819 Sfio_t* (*sf_stack)_ARG_((Sfio_t*, Sfio_t*)); 820 void (*sf_notify)_ARG_((Sfio_t*, int, void*)); 821 int (*sf_stdsync)_ARG_((Sfio_t*)); 822 struct _sfdisc_s sf_udisc; 823 void (*sf_cleanup)_ARG_((void)); 824 int sf_exiting; 825 int sf_done; 826 Vtonce_t* sf_once; 827 void (*sf_oncef)_ARG_((void)); 828 Vtmutex_t* sf_mutex; 829 } Sfextern_t; 830 831 /* get the real value of a byte in a coded long or ulong */ 832 #define SFUVALUE(v) (((ulong)(v))&(SF_MORE-1)) 833 #define SFSVALUE(v) ((( long)(v))&(SF_SIGN-1)) 834 #define SFBVALUE(v) (((ulong)(v))&(SF_BYTE-1)) 835 836 /* pick this many bits in each iteration of double encoding */ 837 #define SF_PRECIS 7 838 839 /* grain size for buffer increment */ 840 #define SF_GRAIN 1024 841 #define SF_PAGE ((ssize_t)(SF_GRAIN*sizeof(int)*2)) 842 843 /* when the buffer is empty, certain io requests may be better done directly 844 on the given application buffers. The below condition determines when. 845 */ 846 #define SFDIRECT(f,n) (((ssize_t)(n) >= (f)->size) || \ 847 ((n) >= SF_GRAIN && (ssize_t)(n) >= (f)->size/16 ) ) 848 849 /* number of pages to memory map at a time */ 850 #if _ptr_bits >= 64 851 #define SF_NMAP 1024 852 #else 853 #define SF_NMAP 32 854 #endif 855 856 #ifndef MAP_VARIABLE 857 #define MAP_VARIABLE 0 858 #endif 859 #ifndef _mmap_fixed 860 #define _mmap_fixed 0 861 #endif 862 863 /* set/unset sequential states for mmap */ 864 #if _lib_madvise && defined(MADV_SEQUENTIAL) && defined(MADV_NORMAL) 865 #define SFMMSEQON(f,a,s) \ 866 do { int oerrno = errno; \ 867 (void)madvise((caddr_t)(a),(size_t)(s),MADV_SEQUENTIAL); \ 868 errno = oerrno; \ 869 } while(0) 870 #define SFMMSEQOFF(f,a,s) \ 871 do { int oerrno = errno; \ 872 (void)madvise((caddr_t)(a),(size_t)(s),MADV_NORMAL); \ 873 errno = oerrno; \ 874 } while(0) 875 #else 876 #define SFMMSEQON(f,a,s) 877 #define SFMMSEQOFF(f,a,s) 878 #endif 879 880 #define SFMUNMAP(f,a,s) (sysmunmapf((caddr_t)(a),(size_t)(s)), \ 881 ((f)->endb = (f)->endr = (f)->endw = (f)->next = \ 882 (f)->data = NIL(uchar*)) ) 883 884 /* safe closing function */ 885 #define CLOSE(f) { while(sysclosef(f) < 0 && errno == EINTR) errno = 0; } 886 887 /* the bottomless bit bucket */ 888 #define DEVNULL "/dev/null" 889 #define SFSETNULL(f) ((f)->extent = (Sfoff_t)(-1), (f)->bits |= SF_NULL) 890 #define SFISNULL(f) ((f)->extent < 0 && ((f)->bits&SF_NULL) ) 891 892 #define SFKILL(f) ((f)->mode = (SF_AVAIL|SF_LOCK) ) 893 #define SFKILLED(f) (((f)->mode&(SF_AVAIL|SF_LOCK)) == (SF_AVAIL|SF_LOCK) ) 894 895 /* exception types */ 896 #define SF_EDONE 0 /* stop this operation and return */ 897 #define SF_EDISC 1 /* discipline says it's ok */ 898 #define SF_ESTACK 2 /* stack was popped */ 899 #define SF_ECONT 3 /* can continue normally */ 900 901 #define SETLOCAL(f) ((f)->mode |= SF_LOCAL) 902 #define GETLOCAL(f,v) ((v) = ((f)->mode&SF_LOCAL), (f)->mode &= ~SF_LOCAL, (v)) 903 #define SFWRALL(f) ((f)->mode |= SF_RV) 904 #define SFISALL(f,v) ((((v) = (f)->mode&SF_RV) ? ((f)->mode &= ~SF_RV) : 0), \ 905 ((v) || ((f)->flags&(SF_SHARE|SF_APPENDWR|SF_WHOLE)) ) ) 906 #define SFSK(f,a,o,d) (SETLOCAL(f),sfsk(f,(Sfoff_t)a,o,d)) 907 #define SFRD(f,b,n,d) (SETLOCAL(f),sfrd(f,(Void_t*)b,n,d)) 908 #define SFWR(f,b,n,d) (SETLOCAL(f),sfwr(f,(Void_t*)b,n,d)) 909 #define SFSYNC(f) (SETLOCAL(f),sfsync(f)) 910 #define SFCLOSE(f) (SETLOCAL(f),sfclose(f)) 911 #define SFFLSBUF(f,n) (SETLOCAL(f),_sfflsbuf(f,n)) 912 #define SFFILBUF(f,n) (SETLOCAL(f),_sffilbuf(f,n)) 913 #define SFSETBUF(f,s,n) (SETLOCAL(f),sfsetbuf(f,s,n)) 914 #define SFWRITE(f,s,n) (SETLOCAL(f),sfwrite(f,s,n)) 915 #define SFREAD(f,s,n) (SETLOCAL(f),sfread(f,s,n)) 916 #define SFSEEK(f,p,t) (SETLOCAL(f),sfseek(f,p,t)) 917 #define SFNPUTC(f,c,n) (SETLOCAL(f),sfnputc(f,c,n)) 918 #define SFRAISE(f,e,d) (SETLOCAL(f),sfraise(f,e,d)) 919 920 /* lock/open a stream */ 921 #define SFMODE(f,l) ((f)->mode & ~(SF_RV|SF_RC|((l) ? SF_LOCK : 0)) ) 922 #define SFLOCK(f,l) (void)((f)->mode |= SF_LOCK, (f)->endr = (f)->endw = (f)->data) 923 #define _SFOPENRD(f) ((f)->endr = ((f)->flags&SF_MTSAFE) ? (f)->data : (f)->endb) 924 #define _SFOPENWR(f) ((f)->endw = ((f)->flags&(SF_MTSAFE|SF_LINE)) ? (f)->data : (f)->endb) 925 #define _SFOPEN(f) ((f)->mode == SF_READ ? _SFOPENRD(f) : \ 926 (f)->mode == SF_WRITE ? _SFOPENWR(f) : \ 927 ((f)->endw = (f)->endr = (f)->data) ) 928 #define SFOPEN(f,l) (void)((l) ? 0 : \ 929 ((f)->mode &= ~(SF_LOCK|SF_RC|SF_RV), _SFOPEN(f), 0) ) 930 931 /* check to see if the stream can be accessed */ 932 #define SFFROZEN(f) (((f)->mode&(SF_PUSH|SF_LOCK|SF_PEEK)) ? 1 : \ 933 !((f)->mode&SF_STDIO) ? 0 : \ 934 _Sfstdsync ? (*_Sfstdsync)(f) : (((f)->mode &= ~SF_STDIO),0) ) 935 936 937 /* set discipline code */ 938 #define SFDISC(f,dc,iof) \ 939 { Sfdisc_t* d; \ 940 if(!(dc)) \ 941 d = (dc) = (f)->disc; \ 942 else d = (f->bits&SF_DCDOWN) ? ((dc) = (dc)->disc) : (dc); \ 943 while(d && !(d->iof)) d = d->disc; \ 944 if(d) (dc) = d; \ 945 } 946 #define SFDCRD(f,buf,n,dc,rv) \ 947 { int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \ 948 rv = (*dc->readf)(f,buf,n,dc); \ 949 if(!dcdown) f->bits &= ~SF_DCDOWN; \ 950 } 951 #define SFDCWR(f,buf,n,dc,rv) \ 952 { int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \ 953 rv = (*dc->writef)(f,buf,n,dc); \ 954 if(!dcdown) f->bits &= ~SF_DCDOWN; \ 955 } 956 #define SFDCSK(f,addr,type,dc,rv) \ 957 { int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \ 958 rv = (*dc->seekf)(f,addr,type,dc); \ 959 if(!dcdown) f->bits &= ~SF_DCDOWN; \ 960 } 961 962 /* fast peek of a stream */ 963 #define _SFAVAIL(f,s,n) ((n) = (f)->endb - ((s) = (f)->next) ) 964 #define SFRPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \ 965 ((n) = SFFILBUF(f,-1), (s) = (f)->next, (n)) ) 966 #define SFWPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \ 967 ((n) = SFFLSBUF(f,-1), (s) = (f)->next, (n)) ) 968 969 /* more than this for a line buffer, we might as well flush */ 970 #define HIFORLINE 128 971 972 /* string stream extent */ 973 #define SFSTRSIZE(f) { Sfoff_t s = (f)->next - (f)->data; \ 974 if(s > (f)->here) \ 975 { (f)->here = s; if(s > (f)->extent) (f)->extent = s; } \ 976 } 977 978 /* control flags for open() */ 979 #ifdef O_CREAT 980 #define _has_oflags 1 981 #else /* for example, research UNIX */ 982 #define _has_oflags 0 983 #define O_CREAT 004 984 #define O_TRUNC 010 985 #define O_APPEND 020 986 #define O_EXCL 040 987 988 #ifndef O_RDONLY 989 #define O_RDONLY 000 990 #endif 991 #ifndef O_WRONLY 992 #define O_WRONLY 001 993 #endif 994 #ifndef O_RDWR 995 #define O_RDWR 002 996 #endif 997 #endif /*O_CREAT*/ 998 999 #ifndef O_BINARY 1000 #define O_BINARY 000 1001 #endif 1002 #ifndef O_TEXT 1003 #define O_TEXT 000 1004 #endif 1005 #ifndef O_TEMPORARY 1006 #define O_TEMPORARY 000 1007 #endif 1008 1009 #define SF_RADIX 64 /* maximum integer conversion base */ 1010 1011 #if _PACKAGE_ast 1012 #define SF_MAXINT INT_MAX 1013 #define SF_MAXLONG LONG_MAX 1014 #else 1015 #define SF_MAXINT ((int)(((uint)~0) >> 1)) 1016 #define SF_MAXLONG ((long)(((ulong)~0L) >> 1)) 1017 #endif 1018 1019 #define SF_MAXCHAR ((uchar)(~0)) 1020 1021 /* floating point to ascii conversion */ 1022 #define SF_MAXEXP10 6 1023 #define SF_MAXPOW10 (1 << SF_MAXEXP10) 1024 #if !_ast_fltmax_double 1025 #define SF_FDIGITS 1024 /* max allowed fractional digits */ 1026 #define SF_IDIGITS (8*1024) /* max number of digits in int part */ 1027 #else 1028 #define SF_FDIGITS 256 /* max allowed fractional digits */ 1029 #define SF_IDIGITS 1024 /* max number of digits in int part */ 1030 #endif 1031 #define SF_MAXDIGITS (((SF_FDIGITS+SF_IDIGITS)/sizeof(int) + 1)*sizeof(int)) 1032 1033 /* tables for numerical translation */ 1034 #define _Sfpos10 (_Sftable.sf_pos10) 1035 #define _Sfneg10 (_Sftable.sf_neg10) 1036 #define _Sfdec (_Sftable.sf_dec) 1037 #define _Sfdigits (_Sftable.sf_digits) 1038 #define _Sfcvinitf (_Sftable.sf_cvinitf) 1039 #define _Sfcvinit (_Sftable.sf_cvinit) 1040 #define _Sffmtposf (_Sftable.sf_fmtposf) 1041 #define _Sffmtintf (_Sftable.sf_fmtintf) 1042 #define _Sfcv36 (_Sftable.sf_cv36) 1043 #define _Sfcv64 (_Sftable.sf_cv64) 1044 #define _Sftype (_Sftable.sf_type) 1045 #define _Sfieee (&_Sftable.sf_ieee) 1046 #define _Sffinf (_Sftable.sf_ieee.fltinf) 1047 #define _Sfdinf (_Sftable.sf_ieee.dblinf) 1048 #define _Sflinf (_Sftable.sf_ieee.ldblinf) 1049 #define _Sffnan (_Sftable.sf_ieee.fltnan) 1050 #define _Sfdnan (_Sftable.sf_ieee.dblnan) 1051 #define _Sflnan (_Sftable.sf_ieee.ldblnan) 1052 #define _Sffpow10 (_Sftable.sf_flt_pow10) 1053 #define _Sfdpow10 (_Sftable.sf_dbl_pow10) 1054 #define _Sflpow10 (_Sftable.sf_ldbl_pow10) 1055 typedef struct _sfieee_s Sfieee_t; 1056 struct _sfieee_s 1057 { float fltnan; /* float NAN */ 1058 float fltinf; /* float INF */ 1059 double dblnan; /* double NAN */ 1060 double dblinf; /* double INF */ 1061 Sfdouble_t ldblnan; /* Sfdouble_t NAN */ 1062 Sfdouble_t ldblinf; /* Sfdouble_t INF */ 1063 }; 1064 typedef struct _sftab_ 1065 { Sfdouble_t sf_pos10[SF_MAXEXP10]; /* positive powers of 10 */ 1066 Sfdouble_t sf_neg10[SF_MAXEXP10]; /* negative powers of 10 */ 1067 uchar sf_dec[200]; /* ascii reps of values < 100 */ 1068 char* sf_digits; /* digits for general bases */ 1069 int (*sf_cvinitf)(); /* initialization function */ 1070 int sf_cvinit; /* initialization state */ 1071 Fmtpos_t* (*sf_fmtposf)_ARG_((Sfio_t*,const char*,va_list,Sffmt_t*,int)); 1072 char* (*sf_fmtintf)_ARG_((const char*,int*)); 1073 float* sf_flt_pow10; /* float powers of 10 */ 1074 double* sf_dbl_pow10; /* double powers of 10 */ 1075 Sfdouble_t* sf_ldbl_pow10; /* Sfdouble_t powers of 10 */ 1076 uchar sf_cv36[SF_MAXCHAR+1]; /* conversion for base [2-36] */ 1077 uchar sf_cv64[SF_MAXCHAR+1]; /* conversion for base [37-64] */ 1078 uchar sf_type[SF_MAXCHAR+1]; /* conversion formats&types */ 1079 Sfieee_t sf_ieee; /* IEEE floating point constants*/ 1080 } Sftab_t; 1081 1082 /* thread-safe macro/function to initialize _Sfcv* conversion tables */ 1083 #define SFCVINIT() (_Sfcvinit ? 1 : (_Sfcvinit = (*_Sfcvinitf)()) ) 1084 1085 /* sfucvt() converts decimal integers to ASCII */ 1086 #define SFDIGIT(v,scale,digit) \ 1087 { if(v < 5*scale) \ 1088 if(v < 2*scale) \ 1089 if(v < 1*scale) \ 1090 { digit = '0'; } \ 1091 else { digit = '1'; v -= 1*scale; } \ 1092 else if(v < 3*scale) \ 1093 { digit = '2'; v -= 2*scale; } \ 1094 else if(v < 4*scale) \ 1095 { digit = '3'; v -= 3*scale; } \ 1096 else { digit = '4'; v -= 4*scale; } \ 1097 else if(v < 7*scale) \ 1098 if(v < 6*scale) \ 1099 { digit = '5'; v -= 5*scale; } \ 1100 else { digit = '6'; v -= 6*scale; } \ 1101 else if(v < 8*scale) \ 1102 { digit = '7'; v -= 7*scale; } \ 1103 else if(v < 9*scale) \ 1104 { digit = '8'; v -= 8*scale; } \ 1105 else { digit = '9'; v -= 9*scale; } \ 1106 } 1107 #define sfucvt(v,s,n,list,type,utype) \ 1108 { while((utype)v >= 10000) \ 1109 { n = v; v = (type)(((utype)v)/10000); \ 1110 n = (type)((utype)n - ((utype)v)*10000); \ 1111 s -= 4; SFDIGIT(n,1000,s[0]); SFDIGIT(n,100,s[1]); \ 1112 s[2] = *(list = (char*)_Sfdec + (n <<= 1)); s[3] = *(list+1); \ 1113 } \ 1114 if(v < 100) \ 1115 { if(v < 10) \ 1116 { s -= 1; s[0] = (char)('0'+v); \ 1117 } else \ 1118 { s -= 2; s[0] = *(list = (char*)_Sfdec + (v <<= 1)); s[1] = *(list+1); \ 1119 } \ 1120 } else \ 1121 { if(v < 1000) \ 1122 { s -= 3; SFDIGIT(v,100,s[0]); \ 1123 s[1] = *(list = (char*)_Sfdec + (v <<= 1)); s[2] = *(list+1); \ 1124 } else \ 1125 { s -= 4; SFDIGIT(v,1000,s[0]); SFDIGIT(v,100,s[1]); \ 1126 s[2] = *(list = (char*)_Sfdec + (v <<= 1)); s[3] = *(list+1); \ 1127 } \ 1128 } \ 1129 } 1130 1131 /* handy functions */ 1132 #undef min 1133 #undef max 1134 #define min(x,y) ((x) < (y) ? (x) : (y)) 1135 #define max(x,y) ((x) > (y) ? (x) : (y)) 1136 1137 /* fast functions for memory copy and memory clear */ 1138 #if _PACKAGE_ast 1139 #define memclear(s,n) memzero(s,n) 1140 #else 1141 #if _lib_bcopy && !_lib_memcpy 1142 #define memcpy(to,fr,n) bcopy((fr),(to),(n)) 1143 #endif 1144 #if _lib_bzero && !_lib_memset 1145 #define memclear(s,n) bzero((s),(n)) 1146 #else 1147 #define memclear(s,n) memset((s),'\0',(n)) 1148 #endif 1149 #endif /*_PACKAGE_ast*/ 1150 1151 /* note that MEMCPY advances the associated pointers */ 1152 #define MEMCPY(to,fr,n) \ 1153 { memcpy((Void_t*)to,(Void_t*)fr,n); to += n; fr += n; } 1154 #define MEMSET(s,c,n) \ 1155 { memset((Void_t*)s,(int)c,n); s += n; } 1156 1157 _BEGIN_EXTERNS_ 1158 1159 extern Sftab_t _Sftable; 1160 1161 extern int _sfpopen _ARG_((Sfio_t*, int, int, int)); 1162 extern int _sfpclose _ARG_((Sfio_t*)); 1163 extern int _sfexcept _ARG_((Sfio_t*, int, ssize_t, Sfdisc_t*)); 1164 extern Sfrsrv_t* _sfrsrv _ARG_((Sfio_t*, ssize_t)); 1165 extern int _sfsetpool _ARG_((Sfio_t*)); 1166 extern char* _sfcvt _ARG_((Void_t*,char*,size_t,int,int*,int*,int*,int)); 1167 extern char** _sfgetpath _ARG_((char*)); 1168 1169 #if _BLD_sfio && defined(__EXPORT__) 1170 #define extern __EXPORT__ 1171 #endif 1172 #if !_BLD_sfio && defined(__IMPORT__) 1173 #define extern extern __IMPORT__ 1174 #endif 1175 1176 extern Sfextern_t _Sfextern; 1177 1178 extern int _sfmode _ARG_((Sfio_t*, int, int)); 1179 extern int _sftype _ARG_((const char*, int*, int*, int*)); 1180 1181 #undef extern 1182 1183 #ifndef errno 1184 extern int errno; 1185 #endif 1186 1187 /* for portable encoding of double values */ 1188 #ifndef frexpl 1189 #if _ast_fltmax_double 1190 #define frexpl frexp 1191 #endif 1192 #if !_lib_frexpl 1193 extern Sfdouble_t frexpl _ARG_((Sfdouble_t, int*)); 1194 #endif 1195 #endif 1196 #ifndef ldexpl 1197 #if _ast_fltmax_double 1198 #define ldexpl ldexp 1199 #endif 1200 #if !_lib_ldexpl 1201 extern Sfdouble_t ldexpl _ARG_((Sfdouble_t, int)); 1202 #endif 1203 #endif 1204 1205 #if !_PACKAGE_ast 1206 1207 #if !__STDC__ && !_hdr_stdlib 1208 extern void abort _ARG_((void)); 1209 extern int atexit _ARG_((void(*)(void))); 1210 extern char* getenv _ARG_((const char*)); 1211 extern void* malloc _ARG_((size_t)); 1212 extern void* realloc _ARG_((void*, size_t)); 1213 extern void free _ARG_((void*)); 1214 extern size_t strlen _ARG_((const char*)); 1215 extern char* strcpy _ARG_((char*, const char*)); 1216 1217 extern Void_t* memset _ARG_((void*, int, size_t)); 1218 extern Void_t* memchr _ARG_((const void*, int, size_t)); 1219 extern Void_t* memccpy _ARG_((void*, const void*, int, size_t)); 1220 #ifndef memcpy 1221 extern Void_t* memcpy _ARG_((void*, const void*, size_t)); 1222 #endif 1223 #if !defined(strtod) 1224 extern double strtod _ARG_((const char*, char**)); 1225 #endif 1226 #if !defined(remove) 1227 extern int sysremovef _ARG_((const char*)); 1228 #endif 1229 #endif /* !__STDC__ && !_hdr_stdlib */ 1230 1231 #if !_hdr_unistd 1232 #if _proto_open && __cplusplus 1233 extern int sysopenf _ARG_((const char*, int, ...)); 1234 #endif 1235 extern int sysclosef _ARG_((int)); 1236 extern ssize_t sysreadf _ARG_((int, void*, size_t)); 1237 extern ssize_t syswritef _ARG_((int, const void*, size_t)); 1238 extern sfoff_t syslseekf _ARG_((int, sfoff_t, int)); 1239 extern int sysdupf _ARG_((int)); 1240 extern int syspipef _ARG_((int*)); 1241 extern int sysaccessf _ARG_((const char*, int)); 1242 extern int sysremovef _ARG_((const char*)); 1243 extern int sysfstatf _ARG_((int, sfstat_t*)); 1244 extern int sysstatf _ARG_((const char*, sfstat_t*)); 1245 1246 extern int isatty _ARG_((int)); 1247 1248 extern int wait _ARG_((int*)); 1249 extern uint sleep _ARG_((uint)); 1250 extern int execl _ARG_((const char*, const char*,...)); 1251 extern int execv _ARG_((const char*, char**)); 1252 #if !defined(fork) 1253 extern int fork _ARG_((void)); 1254 #endif 1255 #if _lib_unlink 1256 extern int unlink _ARG_((const char*)); 1257 #endif 1258 1259 #endif /*_hdr_unistd*/ 1260 1261 #if _lib_bcopy && !_proto_bcopy 1262 extern void bcopy _ARG_((const void*, void*, size_t)); 1263 #endif 1264 #if _lib_bzero && !_proto_bzero 1265 extern void bzero _ARG_((void*, size_t)); 1266 #endif 1267 1268 extern time_t time _ARG_((time_t*)); 1269 extern int waitpid _ARG_((int,int*,int)); 1270 extern void _exit _ARG_((int)); 1271 typedef int(* Onexit_f)_ARG_((void)); 1272 extern Onexit_f onexit _ARG_((Onexit_f)); 1273 1274 #if _lib_vfork && !_hdr_vfork && !_sys_vfork 1275 extern pid_t vfork _ARG_((void)); 1276 #endif /*_lib_vfork*/ 1277 1278 #if _lib_poll 1279 #if _lib_poll_fd_1 1280 extern int poll _ARG_((struct pollfd*, ulong, int)); 1281 #else 1282 extern int poll _ARG_((ulong, struct pollfd*, int)); 1283 #endif 1284 #endif /*_lib_poll*/ 1285 1286 #endif /* _PACKAGE_ast */ 1287 1288 _END_EXTERNS_ 1289 1290 #endif /*_SFHDR_H*/ 1291