1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 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 #include <wchar.h> 326 #define SFMBCPY(to,fr) memcpy((to), (fr), sizeof(mbstate_t)) 327 #define SFMBCLR(mb) memset((mb), 0, sizeof(mbstate_t)) 328 #define SFMBSET(lhs,v) (lhs = (v)) 329 #define SFMBDCL(mb) mbstate_t mb; 330 #define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) ) 331 #endif /*_hdr_wchar && _typ_mbstate_t && _lib_wcrtomb && _lib_mbrtowc*/ 332 333 #if !_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb 334 #define _has_multibyte 2 /* no shift states */ 335 #include <wchar.h> 336 #undef mbrtowc 337 #define mbrtowc(wp,s,n,mb) mbtowc(wp, s, n) 338 #undef wcrtomb 339 #define wcrtomb(s,wc,mb) wctomb(s, wc) 340 #define SFMBCPY(to,fr) 341 #define SFMBCLR(mb) 342 #define SFMBSET(lhs,v) 343 #define SFMBDCL(mb) 344 #define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) ) 345 #endif /*!_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb*/ 346 347 #ifdef MB_CUR_MAX 348 #define SFMBMAX MB_CUR_MAX 349 #else 350 #define SFMBMAX sizeof(Sflong_t) 351 #endif 352 353 #endif /* _PACKAGE_ast */ 354 355 #if !_has_multibyte 356 #define _has_multibyte 0 /* no multibyte support */ 357 #define SFMBCPY(to,fr) 358 #define SFMBCLR(mb) 359 #define SFMBSET(lhs,v) 360 #define SFMBLEN(s,mb) (*(s) ? 1 : 0) 361 #define SFMBDCL(mb) 362 #endif /* _has_multibyte */ 363 364 #if vt_threaded 365 366 /* initialization */ 367 #define SFONCE() (_Sfdone ? 0 : vtonce(_Sfonce,_Sfoncef)) 368 369 /* to lock/unlock a stream on entering and returning from some function */ 370 #define SFMTXLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_LOCK) : 0) 371 #define SFMTXUNLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_UNLOCK) : 0) 372 #define SFMTXSTART(f,v) { if(!f || SFMTXLOCK(f) != 0) return(v); } 373 #define SFMTXRETURN(f,v) { SFMTXUNLOCK(f); return(v); } 374 375 /* start and end critical region for a pool */ 376 #define POOLMTXLOCK(p) ( vtmtxlock(&(p)->mutex) ) 377 #define POOLMTXUNLOCK(p) ( vtmtxunlock(&(p)->mutex) ) 378 #define POOLMTXSTART(p) { POOLMTXLOCK(p); } 379 #define POOLMTXRETURN(p,v) { POOLMTXUNLOCK(p); return(v); } 380 381 #else /*!vt_threaded*/ 382 383 #undef SF_MTSAFE /* no need to worry about thread-safety */ 384 #define SF_MTSAFE 0 385 386 #define SFONCE() /*(0)*/ 387 388 #define SFMTXLOCK(f) /*(0)*/ 389 #define SFMTXUNLOCK(f) /*(0)*/ 390 #define SFMTXSTART(f,v) { if(!f) return(v); } 391 #define SFMTXRETURN(f,v) { return(v); } 392 393 #define POOLMTXLOCK(p) 394 #define POOLMTXUNLOCK(p) 395 #define POOLMTXSTART(p) 396 #define POOLMTXRETURN(p,v) { return(v); } 397 398 #endif /*vt_threaded*/ 399 400 401 /* functions for polling readiness of streams */ 402 #if _lib_select 403 #undef _lib_poll 404 #else 405 #if _lib_poll_fd_1 || _lib_poll_fd_2 406 #define _lib_poll 1 407 #endif 408 #endif /*_lib_select_*/ 409 410 #if _lib_poll 411 #include <poll.h> 412 413 #if _lib_poll_fd_1 414 #define SFPOLL(pfd,n,tm) poll((pfd),(ulong)(n),(tm)) 415 #else 416 #define SFPOLL(pfd,n,tm) poll((ulong)(n),(pfd),(tm)) 417 #endif 418 #endif /*_lib_poll*/ 419 420 #if _stream_peek 421 #include <stropts.h> 422 #endif 423 424 #if _socket_peek 425 #include <sys/socket.h> 426 #endif 427 428 /* to test for executable access mode of a file */ 429 #ifndef X_OK 430 #define X_OK 01 431 #endif 432 433 /* alternative process forking */ 434 #if _lib_vfork && !defined(fork) && !defined(sparc) && !defined(__sparc) 435 #if _hdr_vfork 436 #include <vfork.h> 437 #endif 438 #if _sys_vfork 439 #include <sys/vfork.h> 440 #endif 441 #define fork vfork 442 #endif 443 444 /* to get rid of pesky compiler warnings */ 445 #if __STD_C 446 #define NOTUSED(x) (void)(x) 447 #else 448 #define NOTUSED(x) (&x,1) 449 #endif 450 451 /* Private flags in the "bits" field */ 452 #define SF_MMAP 00000001 /* in memory mapping mode */ 453 #define SF_BOTH 00000002 /* both read/write */ 454 #define SF_HOLE 00000004 /* a hole of zero's was created */ 455 #define SF_NULL 00000010 /* stream is /dev/null */ 456 #define SF_SEQUENTIAL 00000020 /* sequential access */ 457 #define SF_JUSTSEEK 00000040 /* just did a sfseek */ 458 #define SF_PRIVATE 00000100 /* private stream to Sfio, no mutex */ 459 #define SF_ENDING 00000200 /* no re-io on interrupts at closing */ 460 #define SF_WIDE 00000400 /* in wide mode - stdio only */ 461 462 /* "bits" flags that must be cleared in sfclrlock */ 463 #define SF_TMPBITS 00170000 464 #define SF_DCDOWN 00010000 /* recurse down the discipline stack */ 465 466 #define SF_WCFORMAT 00020000 /* wchar_t formatting - stdio only */ 467 #if _has_multibyte 468 #define SFWCSET(f) ((f)->bits |= SF_WCFORMAT) 469 #define SFWCGET(f,v) (((v) = (f)->bits & SF_WCFORMAT), ((f)->bits &= ~SF_WCFORMAT) ) 470 #else 471 #define SFWCSET(f) 472 #define SFWCGET(f,v) 473 #endif 474 475 #define SF_MVSIZE 00040000 /* f->size was reset in sfmove() */ 476 #define SFMVSET(f) (((f)->size *= SF_NMAP), ((f)->bits |= SF_MVSIZE) ) 477 #define SFMVUNSET(f) (!((f)->bits&SF_MVSIZE) ? 0 : \ 478 (((f)->bits &= ~SF_MVSIZE), ((f)->size /= SF_NMAP)) ) 479 480 #define SFCLRBITS(f) (SFMVUNSET(f), ((f)->bits &= ~SF_TMPBITS) ) 481 482 483 /* bits for the mode field, SF_INIT defined in sfio_t.h */ 484 #define SF_RC 00000010 /* peeking for a record */ 485 #define SF_RV 00000020 /* reserve without read or most write */ 486 #define SF_LOCK 00000040 /* stream is locked for io op */ 487 #define SF_PUSH 00000100 /* stream has been pushed */ 488 #define SF_POOL 00000200 /* stream is in a pool but not current */ 489 #define SF_PEEK 00000400 /* there is a pending peek */ 490 #define SF_PKRD 00001000 /* did a peek read */ 491 #define SF_GETR 00002000 /* did a getr on this stream */ 492 #define SF_SYNCED 00004000 /* stream was synced */ 493 #define SF_STDIO 00010000 /* given up the buffer to stdio */ 494 #define SF_AVAIL 00020000 /* was closed, available for reuse */ 495 #define SF_LOCAL 00100000 /* sentinel for a local call */ 496 497 #ifdef DEBUG 498 #define ASSERT(p) ((p) ? 0 : (abort(),0) ) 499 #else 500 #define ASSERT(p) 501 #endif 502 503 /* short-hands */ 504 #define NIL(t) ((t)0) 505 #define reg register 506 #ifndef uchar 507 #define uchar unsigned char 508 #endif 509 #ifndef ulong 510 #define ulong unsigned long 511 #endif 512 #ifndef uint 513 #define uint unsigned int 514 #endif 515 #ifndef ushort 516 #define ushort unsigned short 517 #endif 518 519 #define SECOND 1000 /* millisecond units */ 520 521 /* macros do determine stream types from sfstat_t data */ 522 #ifndef S_IFMT 523 #define S_IFMT 0 524 #endif 525 #ifndef S_IFDIR 526 #define S_IFDIR 0 527 #endif 528 #ifndef S_IFREG 529 #define S_IFREG 0 530 #endif 531 #ifndef S_IFCHR 532 #define S_IFCHR 0 533 #endif 534 #ifndef S_IFIFO 535 #define S_IFIFO 0 536 #endif 537 538 #ifndef S_ISDIR 539 #define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR) 540 #endif 541 #ifndef S_ISREG 542 #define S_ISREG(m) (((m)&S_IFMT) == S_IFREG) 543 #endif 544 #ifndef S_ISCHR 545 #define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR) 546 #endif 547 548 #ifndef S_ISFIFO 549 # ifdef S_IFIFO 550 # define S_ISFIFO(m) (((m)&S_IFIFO) == S_IFIFO) 551 # else 552 # define S_ISFIFO(m) (0) 553 # endif 554 #endif 555 556 #ifdef S_IRUSR 557 #define SF_CREATMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 558 #else 559 #define SF_CREATMODE 0666 560 #endif 561 562 /* set close-on-exec */ 563 #ifdef F_SETFD 564 # ifndef FD_CLOEXEC 565 # define FD_CLOEXEC 1 566 # endif /*FD_CLOEXEC*/ 567 # define SETCLOEXEC(fd) ((void)fcntl((fd),F_SETFD,FD_CLOEXEC)) 568 #else 569 # ifdef FIOCLEX 570 # define SETCLOEXEC(fd) ((void)ioctl((fd),FIOCLEX,0)) 571 # else 572 # define SETCLOEXEC(fd) 573 # endif /*FIOCLEX*/ 574 #endif /*F_SETFD*/ 575 576 /* a couple of error number that we use, default values are like Linux */ 577 #ifndef EINTR 578 #define EINTR 4 579 #endif 580 #ifndef EBADF 581 #define EBADF 9 582 #endif 583 #ifndef EAGAIN 584 #define EAGAIN 11 585 #endif 586 #ifndef ENOMEM 587 #define ENOMEM 12 588 #endif 589 #ifndef EINVAL 590 #define EINVAL 22 591 #endif 592 #ifndef ESPIPE 593 #define ESPIPE 29 594 #endif 595 596 /* function to get the decimal point for local environment */ 597 #if !defined(SFSETLOCALE) && _PACKAGE_ast 598 #include "lclib.h" 599 #define SFSETLOCALE(dp,tp) \ 600 do if (*(dp) == 0) { \ 601 Lc_numeric_t* lv = (Lc_numeric_t*)LCINFO(AST_LC_NUMERIC)->data; \ 602 *(dp) = lv->decimal; \ 603 if (tp) *(tp) = lv->thousand; \ 604 } while (0) 605 #endif /*!defined(SFSETLOCALE) && _PACKAGE_ast*/ 606 607 #if !defined(SFSETLOCALE) && _lib_locale 608 #include <locale.h> 609 #define SFSETLOCALE(decimal,thousand) \ 610 do { struct lconv* lv; \ 611 if(*(decimal) == 0) \ 612 { *(decimal) = '.'; \ 613 if (thousand) *(thousand) = -1; \ 614 if((lv = localeconv())) \ 615 { if(lv->decimal_point && *lv->decimal_point) \ 616 *(decimal) = *(unsigned char*)lv->decimal_point; \ 617 if(thousand && lv->thousands_sep && *lv->thousands_sep) \ 618 *(thousand) = *(unsigned char*)lv->thousands_sep; \ 619 } \ 620 } \ 621 } while (0) 622 #endif /*!defined(SFSETLOCALE) && _lib_locale*/ 623 624 #if !defined(SFSETLOCALE) 625 #define SFSETLOCALE(decimal,thousand) (*(decimal)='.') 626 #endif 627 628 /* stream pool structure. */ 629 typedef struct _sfpool_s Sfpool_t; 630 struct _sfpool_s 631 { Sfpool_t* next; 632 int mode; /* type of pool */ 633 int s_sf; /* size of pool array */ 634 int n_sf; /* number currently in pool */ 635 Sfio_t** sf; /* array of streams */ 636 Sfio_t* array[3]; /* start with 3 */ 637 Vtmutex_t mutex; /* mutex lock object */ 638 }; 639 640 /* reserve buffer structure */ 641 typedef struct _sfrsrv_s Sfrsrv_t; 642 struct _sfrsrv_s 643 { ssize_t slen; /* last string length */ 644 ssize_t size; /* buffer size */ 645 uchar data[1]; /* data buffer */ 646 }; 647 648 /* co-process structure */ 649 typedef struct _sfproc_s Sfproc_t; 650 struct _sfproc_s 651 { int pid; /* process id */ 652 uchar* rdata; /* read data being cached */ 653 int ndata; /* size of cached data */ 654 int size; /* buffer size */ 655 int file; /* saved file descriptor */ 656 int sigp; /* sigpipe protection needed */ 657 }; 658 659 /* extensions to sfvprintf/sfvscanf */ 660 #define FP_SET(fp,fn) (fp < 0 ? (fn += 1) : (fn = fp) ) 661 #define FP_WIDTH 0 662 #define FP_PRECIS 1 663 #define FP_BASE 2 664 #define FP_STR 3 665 #define FP_SIZE 4 666 #define FP_INDEX 5 /* index size */ 667 668 typedef struct _fmt_s Fmt_t; 669 typedef struct _fmtpos_s Fmtpos_t; 670 typedef union 671 { int i, *ip; 672 long l, *lp; 673 short h, *hp; 674 uint ui; 675 ulong ul; 676 ushort uh; 677 Sflong_t ll, *llp; 678 Sfulong_t lu; 679 Sfdouble_t ld; 680 double d; 681 float f; 682 #if _has_multibyte 683 wchar_t wc; 684 wchar_t *ws, **wsp; 685 #endif 686 char c, *s, **sp; 687 uchar uc, *us, **usp; 688 Void_t *vp; 689 Sffmt_t *ft; 690 } Argv_t; 691 692 struct _fmt_s 693 { char* form; /* format string */ 694 va_list args; /* corresponding arglist */ 695 SFMBDCL(mbs) /* multibyte parsing state */ 696 697 char* oform; /* original format string */ 698 va_list oargs; /* original arg list */ 699 int argn; /* number of args already used */ 700 Fmtpos_t* fp; /* position list */ 701 702 Sffmt_t* ft; /* formatting environment */ 703 Sffmtevent_f eventf; /* event function */ 704 Fmt_t* next; /* stack frame pointer */ 705 }; 706 707 struct _fmtpos_s 708 { Sffmt_t ft; /* environment */ 709 Argv_t argv; /* argument value */ 710 int fmt; /* original format */ 711 int need[FP_INDEX]; /* positions depending on */ 712 }; 713 714 #define LEFTP '(' 715 #define RIGHTP ')' 716 #define QUOTE '\'' 717 718 #ifndef CHAR_BIT 719 #define CHAR_BIT 8 720 #endif 721 722 #define FMTSET(ft, frm,ags, fv, sz, flgs, wid,pr,bs, ts,ns) \ 723 ((ft->form = (char*)frm), va_copy(ft->args,ags), \ 724 (ft->fmt = fv), (ft->size = sz), \ 725 (ft->flags = (flgs&SFFMT_SET)), \ 726 (ft->width = wid), (ft->precis = pr), (ft->base = bs), \ 727 (ft->t_str = ts), (ft->n_str = ns) ) 728 #define FMTGET(ft, frm,ags, fv, sz, flgs, wid,pr,bs) \ 729 ((frm = ft->form), va_copy(ags,ft->args), \ 730 (fv = ft->fmt), (sz = ft->size), \ 731 (flgs = (flgs&~(SFFMT_SET))|(ft->flags&SFFMT_SET)), \ 732 (wid = ft->width), (pr = ft->precis), (bs = ft->base) ) 733 734 /* format flags&types, must coexist with those in sfio.h */ 735 #define SFFMT_FORBIDDEN 000077777777 /* for sfio.h only */ 736 #define SFFMT_EFORMAT 001000000000 /* sfcvt converting %e */ 737 #define SFFMT_MINUS 002000000000 /* minus sign */ 738 #define SFFMT_AFORMAT 004000000000 /* sfcvt converting %a */ 739 #define SFFMT_UPPER 010000000000 /* sfcvt converting upper */ 740 741 #define SFFMT_TYPES (SFFMT_SHORT|SFFMT_SSHORT | SFFMT_LONG|SFFMT_LLONG|\ 742 SFFMT_LDOUBLE | SFFMT_IFLAG|SFFMT_JFLAG| \ 743 SFFMT_TFLAG | SFFMT_ZFLAG ) 744 745 /* type of elements to be converted */ 746 #define SFFMT_INT 001 /* %d,%i */ 747 #define SFFMT_UINT 002 /* %u,o,x etc. */ 748 #define SFFMT_FLOAT 004 /* %f,e,g etc. */ 749 #define SFFMT_CHAR 010 /* %c,C */ 750 #define SFFMT_POINTER 020 /* %p,n,s,S */ 751 #define SFFMT_CLASS 040 /* %[ */ 752 753 /* local variables used across sf-functions */ 754 #define _Sfpage (_Sfextern.sf_page) 755 #define _Sfpool (_Sfextern.sf_pool) 756 #define _Sfpmove (_Sfextern.sf_pmove) 757 #define _Sfstack (_Sfextern.sf_stack) 758 #define _Sfnotify (_Sfextern.sf_notify) 759 #define _Sfstdsync (_Sfextern.sf_stdsync) 760 #define _Sfudisc (&(_Sfextern.sf_udisc)) 761 #define _Sfcleanup (_Sfextern.sf_cleanup) 762 #define _Sfexiting (_Sfextern.sf_exiting) 763 #define _Sfdone (_Sfextern.sf_done) 764 #define _Sfonce (_Sfextern.sf_once) 765 #define _Sfoncef (_Sfextern.sf_oncef) 766 #define _Sfmutex (_Sfextern.sf_mutex) 767 typedef struct _sfextern_s 768 { ssize_t sf_page; 769 struct _sfpool_s sf_pool; 770 int (*sf_pmove)_ARG_((Sfio_t*, int)); 771 Sfio_t* (*sf_stack)_ARG_((Sfio_t*, Sfio_t*)); 772 void (*sf_notify)_ARG_((Sfio_t*, int, int)); 773 int (*sf_stdsync)_ARG_((Sfio_t*)); 774 struct _sfdisc_s sf_udisc; 775 void (*sf_cleanup)_ARG_((void)); 776 int sf_exiting; 777 int sf_done; 778 Vtonce_t* sf_once; 779 void (*sf_oncef)_ARG_((void)); 780 Vtmutex_t* sf_mutex; 781 } Sfextern_t; 782 783 /* get the real value of a byte in a coded long or ulong */ 784 #define SFUVALUE(v) (((ulong)(v))&(SF_MORE-1)) 785 #define SFSVALUE(v) ((( long)(v))&(SF_SIGN-1)) 786 #define SFBVALUE(v) (((ulong)(v))&(SF_BYTE-1)) 787 788 /* pick this many bits in each iteration of double encoding */ 789 #define SF_PRECIS 7 790 791 /* grain size for buffer increment */ 792 #define SF_GRAIN 1024 793 #define SF_PAGE ((ssize_t)(SF_GRAIN*sizeof(int)*2)) 794 795 /* when the buffer is empty, certain io requests may be better done directly 796 on the given application buffers. The below condition determines when. 797 */ 798 #define SFDIRECT(f,n) (((ssize_t)(n) >= (f)->size) || \ 799 ((n) >= SF_GRAIN && (ssize_t)(n) >= (f)->size/16 ) ) 800 801 /* number of pages to memory map at a time */ 802 #define SF_NMAP 4 803 804 #ifndef MAP_VARIABLE 805 #define MAP_VARIABLE 0 806 #endif 807 #ifndef _mmap_fixed 808 #define _mmap_fixed 0 809 #endif 810 811 /* set/unset sequential states for mmap */ 812 #if _lib_madvise && defined(MADV_SEQUENTIAL) && defined(MADV_NORMAL) 813 #define SFMMSEQON(f,a,s) \ 814 do { int oerrno = errno; \ 815 (void)madvise((caddr_t)(a),(size_t)(s),MADV_SEQUENTIAL); \ 816 errno = oerrno; \ 817 } while(0) 818 #define SFMMSEQOFF(f,a,s) \ 819 do { int oerrno = errno; \ 820 (void)madvise((caddr_t)(a),(size_t)(s),MADV_NORMAL); \ 821 errno = oerrno; \ 822 } while(0) 823 #else 824 #define SFMMSEQON(f,a,s) 825 #define SFMMSEQOFF(f,a,s) 826 #endif 827 828 #define SFMUNMAP(f,a,s) (sysmunmapf((caddr_t)(a),(size_t)(s)), \ 829 ((f)->endb = (f)->endr = (f)->endw = (f)->next = \ 830 (f)->data = NIL(uchar*)) ) 831 832 /* safe closing function */ 833 #define CLOSE(f) { while(sysclosef(f) < 0 && errno == EINTR) errno = 0; } 834 835 /* the bottomless bit bucket */ 836 #define DEVNULL "/dev/null" 837 #define SFSETNULL(f) ((f)->extent = (Sfoff_t)(-1), (f)->bits |= SF_NULL) 838 #define SFISNULL(f) ((f)->extent < 0 && ((f)->bits&SF_NULL) ) 839 840 #define SFKILL(f) ((f)->mode = (SF_AVAIL|SF_LOCK) ) 841 #define SFKILLED(f) (((f)->mode&(SF_AVAIL|SF_LOCK)) == (SF_AVAIL|SF_LOCK) ) 842 843 /* exception types */ 844 #define SF_EDONE 0 /* stop this operation and return */ 845 #define SF_EDISC 1 /* discipline says it's ok */ 846 #define SF_ESTACK 2 /* stack was popped */ 847 #define SF_ECONT 3 /* can continue normally */ 848 849 #define SETLOCAL(f) ((f)->mode |= SF_LOCAL) 850 #define GETLOCAL(f,v) ((v) = ((f)->mode&SF_LOCAL), (f)->mode &= ~SF_LOCAL, (v)) 851 #define SFWRALL(f) ((f)->mode |= SF_RV) 852 #define SFISALL(f,v) ((((v) = (f)->mode&SF_RV) ? ((f)->mode &= ~SF_RV) : 0), \ 853 ((v) || (f)->extent < 0 || \ 854 ((f)->flags&(SF_SHARE|SF_APPENDWR|SF_WHOLE)) ) ) 855 #define SFSK(f,a,o,d) (SETLOCAL(f),sfsk(f,(Sfoff_t)a,o,d)) 856 #define SFRD(f,b,n,d) (SETLOCAL(f),sfrd(f,(Void_t*)b,n,d)) 857 #define SFWR(f,b,n,d) (SETLOCAL(f),sfwr(f,(Void_t*)b,n,d)) 858 #define SFSYNC(f) (SETLOCAL(f),sfsync(f)) 859 #define SFCLOSE(f) (SETLOCAL(f),sfclose(f)) 860 #define SFFLSBUF(f,n) (SETLOCAL(f),_sfflsbuf(f,n)) 861 #define SFFILBUF(f,n) (SETLOCAL(f),_sffilbuf(f,n)) 862 #define SFSETBUF(f,s,n) (SETLOCAL(f),sfsetbuf(f,s,n)) 863 #define SFWRITE(f,s,n) (SETLOCAL(f),sfwrite(f,s,n)) 864 #define SFREAD(f,s,n) (SETLOCAL(f),sfread(f,s,n)) 865 #define SFSEEK(f,p,t) (SETLOCAL(f),sfseek(f,p,t)) 866 #define SFNPUTC(f,c,n) (SETLOCAL(f),sfnputc(f,c,n)) 867 #define SFRAISE(f,e,d) (SETLOCAL(f),sfraise(f,e,d)) 868 869 /* lock/open a stream */ 870 #define SFMODE(f,l) ((f)->mode & ~(SF_RV|SF_RC|((l) ? SF_LOCK : 0)) ) 871 #define SFLOCK(f,l) (void)((f)->mode |= SF_LOCK, (f)->endr = (f)->endw = (f)->data) 872 #define _SFOPENRD(f) ((f)->endr = ((f)->flags&SF_MTSAFE) ? (f)->data : (f)->endb) 873 #define _SFOPENWR(f) ((f)->endw = ((f)->flags&(SF_MTSAFE|SF_LINE)) ? (f)->data : (f)->endb) 874 #define _SFOPEN(f) ((f)->mode == SF_READ ? _SFOPENRD(f) : \ 875 (f)->mode == SF_WRITE ? _SFOPENWR(f) : \ 876 ((f)->endw = (f)->endr = (f)->data) ) 877 #define SFOPEN(f,l) (void)((l) ? 0 : \ 878 ((f)->mode &= ~(SF_LOCK|SF_RC|SF_RV), _SFOPEN(f), 0) ) 879 880 /* check to see if the stream can be accessed */ 881 #define SFFROZEN(f) (((f)->mode&(SF_PUSH|SF_LOCK|SF_PEEK)) ? 1 : \ 882 !((f)->mode&SF_STDIO) ? 0 : \ 883 _Sfstdsync ? (*_Sfstdsync)(f) : (((f)->mode &= ~SF_STDIO),0) ) 884 885 886 /* set discipline code */ 887 #define SFDISC(f,dc,iof) \ 888 { Sfdisc_t* d; \ 889 if(!(dc)) \ 890 d = (dc) = (f)->disc; \ 891 else d = (f->bits&SF_DCDOWN) ? ((dc) = (dc)->disc) : (dc); \ 892 while(d && !(d->iof)) d = d->disc; \ 893 if(d) (dc) = d; \ 894 } 895 #define SFDCRD(f,buf,n,dc,rv) \ 896 { int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \ 897 rv = (*dc->readf)(f,buf,n,dc); \ 898 if(!dcdown) f->bits &= ~SF_DCDOWN; \ 899 } 900 #define SFDCWR(f,buf,n,dc,rv) \ 901 { int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \ 902 rv = (*dc->writef)(f,buf,n,dc); \ 903 if(!dcdown) f->bits &= ~SF_DCDOWN; \ 904 } 905 #define SFDCSK(f,addr,type,dc,rv) \ 906 { int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \ 907 rv = (*dc->seekf)(f,addr,type,dc); \ 908 if(!dcdown) f->bits &= ~SF_DCDOWN; \ 909 } 910 911 /* fast peek of a stream */ 912 #define _SFAVAIL(f,s,n) ((n) = (f)->endb - ((s) = (f)->next) ) 913 #define SFRPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \ 914 ((n) = SFFILBUF(f,-1), (s) = (f)->next, (n)) ) 915 #define SFWPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \ 916 ((n) = SFFLSBUF(f,-1), (s) = (f)->next, (n)) ) 917 918 /* more than this for a line buffer, we might as well flush */ 919 #define HIFORLINE 128 920 921 /* string stream extent */ 922 #define SFSTRSIZE(f) { Sfoff_t s = (f)->next - (f)->data; \ 923 if(s > (f)->here) \ 924 { (f)->here = s; if(s > (f)->extent) (f)->extent = s; } \ 925 } 926 927 /* control flags for open() */ 928 #ifdef O_CREAT 929 #define _has_oflags 1 930 #else /* for example, research UNIX */ 931 #define _has_oflags 0 932 #define O_CREAT 004 933 #define O_TRUNC 010 934 #define O_APPEND 020 935 #define O_EXCL 040 936 937 #ifndef O_RDONLY 938 #define O_RDONLY 000 939 #endif 940 #ifndef O_WRONLY 941 #define O_WRONLY 001 942 #endif 943 #ifndef O_RDWR 944 #define O_RDWR 002 945 #endif 946 #endif /*O_CREAT*/ 947 948 #ifndef O_BINARY 949 #define O_BINARY 000 950 #endif 951 #ifndef O_TEXT 952 #define O_TEXT 000 953 #endif 954 #ifndef O_TEMPORARY 955 #define O_TEMPORARY 000 956 #endif 957 958 #define SF_RADIX 64 /* maximum integer conversion base */ 959 960 #if _PACKAGE_ast 961 #define SF_MAXINT INT_MAX 962 #define SF_MAXLONG LONG_MAX 963 #else 964 #define SF_MAXINT ((int)(((uint)~0) >> 1)) 965 #define SF_MAXLONG ((long)(((ulong)~0L) >> 1)) 966 #endif 967 968 #define SF_MAXCHAR ((uchar)(~0)) 969 970 /* floating point to ascii conversion */ 971 #define SF_MAXEXP10 6 972 #define SF_MAXPOW10 (1 << SF_MAXEXP10) 973 #if !_ast_fltmax_double 974 #define SF_FDIGITS 1024 /* max allowed fractional digits */ 975 #define SF_IDIGITS (8*1024) /* max number of digits in int part */ 976 #else 977 #define SF_FDIGITS 256 /* max allowed fractional digits */ 978 #define SF_IDIGITS 1024 /* max number of digits in int part */ 979 #endif 980 #define SF_MAXDIGITS (((SF_FDIGITS+SF_IDIGITS)/sizeof(int) + 1)*sizeof(int)) 981 982 /* tables for numerical translation */ 983 #define _Sfpos10 (_Sftable.sf_pos10) 984 #define _Sfneg10 (_Sftable.sf_neg10) 985 #define _Sfdec (_Sftable.sf_dec) 986 #define _Sfdigits (_Sftable.sf_digits) 987 #define _Sfcvinitf (_Sftable.sf_cvinitf) 988 #define _Sfcvinit (_Sftable.sf_cvinit) 989 #define _Sffmtposf (_Sftable.sf_fmtposf) 990 #define _Sffmtintf (_Sftable.sf_fmtintf) 991 #define _Sfcv36 (_Sftable.sf_cv36) 992 #define _Sfcv64 (_Sftable.sf_cv64) 993 #define _Sftype (_Sftable.sf_type) 994 #define _Sfieee (&_Sftable.sf_ieee) 995 #define _Sffinf (_Sftable.sf_ieee.fltinf) 996 #define _Sfdinf (_Sftable.sf_ieee.dblinf) 997 #define _Sflinf (_Sftable.sf_ieee.ldblinf) 998 #define _Sffnan (_Sftable.sf_ieee.fltnan) 999 #define _Sfdnan (_Sftable.sf_ieee.dblnan) 1000 #define _Sflnan (_Sftable.sf_ieee.ldblnan) 1001 #define _Sffpow10 (_Sftable.sf_flt_pow10) 1002 #define _Sfdpow10 (_Sftable.sf_dbl_pow10) 1003 #define _Sflpow10 (_Sftable.sf_ldbl_pow10) 1004 typedef struct _sfieee_s Sfieee_t; 1005 struct _sfieee_s 1006 { float fltnan; /* float NAN */ 1007 float fltinf; /* float INF */ 1008 double dblnan; /* double NAN */ 1009 double dblinf; /* double INF */ 1010 Sfdouble_t ldblnan; /* Sfdouble_t NAN */ 1011 Sfdouble_t ldblinf; /* Sfdouble_t INF */ 1012 }; 1013 typedef struct _sftab_ 1014 { Sfdouble_t sf_pos10[SF_MAXEXP10]; /* positive powers of 10 */ 1015 Sfdouble_t sf_neg10[SF_MAXEXP10]; /* negative powers of 10 */ 1016 uchar sf_dec[200]; /* ascii reps of values < 100 */ 1017 char* sf_digits; /* digits for general bases */ 1018 int (*sf_cvinitf)(); /* initialization function */ 1019 int sf_cvinit; /* initialization state */ 1020 Fmtpos_t* (*sf_fmtposf)_ARG_((Sfio_t*,const char*,va_list,Sffmt_t*,int)); 1021 char* (*sf_fmtintf)_ARG_((const char*,int*)); 1022 float* sf_flt_pow10; /* float powers of 10 */ 1023 double* sf_dbl_pow10; /* double powers of 10 */ 1024 Sfdouble_t* sf_ldbl_pow10; /* Sfdouble_t powers of 10 */ 1025 uchar sf_cv36[SF_MAXCHAR+1]; /* conversion for base [2-36] */ 1026 uchar sf_cv64[SF_MAXCHAR+1]; /* conversion for base [37-64] */ 1027 uchar sf_type[SF_MAXCHAR+1]; /* conversion formats&types */ 1028 Sfieee_t sf_ieee; /* IEEE floating point constants*/ 1029 } Sftab_t; 1030 1031 /* thread-safe macro/function to initialize _Sfcv* conversion tables */ 1032 #define SFCVINIT() (_Sfcvinit ? 1 : (_Sfcvinit = (*_Sfcvinitf)()) ) 1033 1034 /* sfucvt() converts decimal integers to ASCII */ 1035 #define SFDIGIT(v,scale,digit) \ 1036 { if(v < 5*scale) \ 1037 if(v < 2*scale) \ 1038 if(v < 1*scale) \ 1039 { digit = '0'; } \ 1040 else { digit = '1'; v -= 1*scale; } \ 1041 else if(v < 3*scale) \ 1042 { digit = '2'; v -= 2*scale; } \ 1043 else if(v < 4*scale) \ 1044 { digit = '3'; v -= 3*scale; } \ 1045 else { digit = '4'; v -= 4*scale; } \ 1046 else if(v < 7*scale) \ 1047 if(v < 6*scale) \ 1048 { digit = '5'; v -= 5*scale; } \ 1049 else { digit = '6'; v -= 6*scale; } \ 1050 else if(v < 8*scale) \ 1051 { digit = '7'; v -= 7*scale; } \ 1052 else if(v < 9*scale) \ 1053 { digit = '8'; v -= 8*scale; } \ 1054 else { digit = '9'; v -= 9*scale; } \ 1055 } 1056 #define sfucvt(v,s,n,list,type,utype) \ 1057 { while((utype)v >= 10000) \ 1058 { n = v; v = (type)(((utype)v)/10000); \ 1059 n = (type)((utype)n - ((utype)v)*10000); \ 1060 s -= 4; SFDIGIT(n,1000,s[0]); SFDIGIT(n,100,s[1]); \ 1061 s[2] = *(list = (char*)_Sfdec + (n <<= 1)); s[3] = *(list+1); \ 1062 } \ 1063 if(v < 100) \ 1064 { if(v < 10) \ 1065 { s -= 1; s[0] = (char)('0'+v); \ 1066 } else \ 1067 { s -= 2; s[0] = *(list = (char*)_Sfdec + (v <<= 1)); s[1] = *(list+1); \ 1068 } \ 1069 } else \ 1070 { if(v < 1000) \ 1071 { s -= 3; SFDIGIT(v,100,s[0]); \ 1072 s[1] = *(list = (char*)_Sfdec + (v <<= 1)); s[2] = *(list+1); \ 1073 } else \ 1074 { s -= 4; SFDIGIT(v,1000,s[0]); SFDIGIT(v,100,s[1]); \ 1075 s[2] = *(list = (char*)_Sfdec + (v <<= 1)); s[3] = *(list+1); \ 1076 } \ 1077 } \ 1078 } 1079 1080 /* handy functions */ 1081 #undef min 1082 #undef max 1083 #define min(x,y) ((x) < (y) ? (x) : (y)) 1084 #define max(x,y) ((x) > (y) ? (x) : (y)) 1085 1086 /* fast functions for memory copy and memory clear */ 1087 #if _PACKAGE_ast 1088 #define memclear(s,n) memzero(s,n) 1089 #else 1090 #if _lib_bcopy && !_lib_memcpy 1091 #define memcpy(to,fr,n) bcopy((fr),(to),(n)) 1092 #endif 1093 #if _lib_bzero && !_lib_memset 1094 #define memclear(s,n) bzero((s),(n)) 1095 #else 1096 #define memclear(s,n) memset((s),'\0',(n)) 1097 #endif 1098 #endif /*_PACKAGE_ast*/ 1099 1100 /* note that MEMCPY advances the associated pointers */ 1101 #define MEMCPY(to,fr,n) \ 1102 switch(n) \ 1103 { default : memcpy((Void_t*)to,(Void_t*)fr,n); to += n; fr += n; break; \ 1104 case 7 : *to++ = *fr++; \ 1105 case 6 : *to++ = *fr++; \ 1106 case 5 : *to++ = *fr++; \ 1107 case 4 : *to++ = *fr++; \ 1108 case 3 : *to++ = *fr++; \ 1109 case 2 : *to++ = *fr++; \ 1110 case 1 : *to++ = *fr++; \ 1111 } 1112 #define MEMSET(s,c,n) \ 1113 switch(n) \ 1114 { default : memset((Void_t*)s,(int)c,n); s += n; break; \ 1115 case 7 : *s++ = c; \ 1116 case 6 : *s++ = c; \ 1117 case 5 : *s++ = c; \ 1118 case 4 : *s++ = c; \ 1119 case 3 : *s++ = c; \ 1120 case 2 : *s++ = c; \ 1121 case 1 : *s++ = c; \ 1122 } 1123 1124 _BEGIN_EXTERNS_ 1125 1126 extern Sftab_t _Sftable; 1127 1128 extern int _sfpopen _ARG_((Sfio_t*, int, int, int)); 1129 extern int _sfpclose _ARG_((Sfio_t*)); 1130 extern int _sfexcept _ARG_((Sfio_t*, int, ssize_t, Sfdisc_t*)); 1131 extern Sfrsrv_t* _sfrsrv _ARG_((Sfio_t*, ssize_t)); 1132 extern int _sfsetpool _ARG_((Sfio_t*)); 1133 extern char* _sfcvt _ARG_((Sfdouble_t,char*,size_t,int,int*,int*,int*,int)); 1134 extern char** _sfgetpath _ARG_((char*)); 1135 1136 #if _BLD_sfio && defined(__EXPORT__) 1137 #define extern __EXPORT__ 1138 #endif 1139 #if !_BLD_sfio && defined(__IMPORT__) 1140 #define extern extern __IMPORT__ 1141 #endif 1142 1143 extern Sfextern_t _Sfextern; 1144 1145 extern int _sfmode _ARG_((Sfio_t*, int, int)); 1146 extern int _sftype _ARG_((const char*, int*, int*)); 1147 1148 #undef extern 1149 1150 #ifndef errno 1151 extern int errno; 1152 #endif 1153 1154 /* for portable encoding of double values */ 1155 #ifndef frexpl 1156 #if _ast_fltmax_double 1157 #define frexpl frexp 1158 #endif 1159 #if !__STDC__ 1160 extern Sfdouble_t frexpl _ARG_((Sfdouble_t, int*)); 1161 #endif 1162 #endif 1163 #ifndef ldexpl 1164 #if _ast_fltmax_double 1165 #define ldexpl ldexp 1166 #endif 1167 #if !__STDC__ 1168 extern Sfdouble_t ldexpl _ARG_((Sfdouble_t, int)); 1169 #endif 1170 #endif 1171 1172 #if !_PACKAGE_ast 1173 1174 #if !__STDC__ && !_hdr_stdlib 1175 extern void abort _ARG_((void)); 1176 extern int atexit _ARG_((void(*)(void))); 1177 extern char* getenv _ARG_((const char*)); 1178 extern void* malloc _ARG_((size_t)); 1179 extern void* realloc _ARG_((void*, size_t)); 1180 extern void free _ARG_((void*)); 1181 extern size_t strlen _ARG_((const char*)); 1182 extern char* strcpy _ARG_((char*, const char*)); 1183 1184 extern Void_t* memset _ARG_((void*, int, size_t)); 1185 extern Void_t* memchr _ARG_((const void*, int, size_t)); 1186 extern Void_t* memccpy _ARG_((void*, const void*, int, size_t)); 1187 #ifndef memcpy 1188 extern Void_t* memcpy _ARG_((void*, const void*, size_t)); 1189 #endif 1190 #if !defined(strtod) 1191 extern double strtod _ARG_((const char*, char**)); 1192 #endif 1193 #if !defined(remove) 1194 extern int sysremovef _ARG_((const char*)); 1195 #endif 1196 #endif /* !__STDC__ && !_hdr_stdlib */ 1197 1198 #if !_hdr_unistd 1199 #if _proto_open && __cplusplus 1200 extern int sysopenf _ARG_((const char*, int, ...)); 1201 #endif 1202 extern int sysclosef _ARG_((int)); 1203 extern ssize_t sysreadf _ARG_((int, void*, size_t)); 1204 extern ssize_t syswritef _ARG_((int, const void*, size_t)); 1205 extern sfoff_t syslseekf _ARG_((int, sfoff_t, int)); 1206 extern int sysdupf _ARG_((int)); 1207 extern int syspipef _ARG_((int*)); 1208 extern int sysaccessf _ARG_((const char*, int)); 1209 extern int sysremovef _ARG_((const char*)); 1210 extern int sysfstatf _ARG_((int, sfstat_t*)); 1211 extern int sysstatf _ARG_((const char*, sfstat_t*)); 1212 1213 extern int isatty _ARG_((int)); 1214 1215 extern int wait _ARG_((int*)); 1216 extern uint sleep _ARG_((uint)); 1217 extern int execl _ARG_((const char*, const char*,...)); 1218 extern int execv _ARG_((const char*, char**)); 1219 #if !defined(fork) 1220 extern int fork _ARG_((void)); 1221 #endif 1222 #if _lib_unlink 1223 extern int unlink _ARG_((const char*)); 1224 #endif 1225 1226 #endif /*_hdr_unistd*/ 1227 1228 #if _lib_bcopy && !_proto_bcopy 1229 extern void bcopy _ARG_((const void*, void*, size_t)); 1230 #endif 1231 #if _lib_bzero && !_proto_bzero 1232 extern void bzero _ARG_((void*, size_t)); 1233 #endif 1234 1235 extern time_t time _ARG_((time_t*)); 1236 extern int waitpid _ARG_((int,int*,int)); 1237 extern void _exit _ARG_((int)); 1238 typedef int(* Onexit_f)_ARG_((void)); 1239 extern Onexit_f onexit _ARG_((Onexit_f)); 1240 1241 #if _lib_vfork && !_hdr_vfork && !_sys_vfork 1242 extern pid_t vfork _ARG_((void)); 1243 #endif /*_lib_vfork*/ 1244 1245 #if _lib_poll 1246 #if _lib_poll_fd_1 1247 extern int poll _ARG_((struct pollfd*, ulong, int)); 1248 #else 1249 extern int poll _ARG_((ulong, struct pollfd*, int)); 1250 #endif 1251 #endif /*_lib_poll*/ 1252 1253 #endif /* _PACKAGE_ast */ 1254 1255 _END_EXTERNS_ 1256 1257 #endif /*_SFHDR_H*/ 1258