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. */ 676typedef struct _sfpool_s Sfpool_t; 677struct _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 */ 688typedef struct _sfrsrv_s Sfrsrv_t; 689struct _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 */ 696typedef struct _sfproc_s Sfproc_t; 697struct _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 715typedef struct _fmt_s Fmt_t; 716typedef struct _fmtpos_s Fmtpos_t; 717typedef 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 739struct _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 754struct _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 */ 801typedef 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) 815typedef 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) 1055typedef struct _sfieee_s Sfieee_t; 1056struct _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}; 1064typedef 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 switch(n) \ 1154 { default : memcpy((Void_t*)to,(Void_t*)fr,n); to += n; fr += n; break; \ 1155 case 7 : *to++ = *fr++; \ 1156 case 6 : *to++ = *fr++; \ 1157 case 5 : *to++ = *fr++; \ 1158 case 4 : *to++ = *fr++; \ 1159 case 3 : *to++ = *fr++; \ 1160 case 2 : *to++ = *fr++; \ 1161 case 1 : *to++ = *fr++; \ 1162 } 1163#define MEMSET(s,c,n) \ 1164 switch(n) \ 1165 { default : memset((Void_t*)s,(int)c,n); s += n; break; \ 1166 case 7 : *s++ = c; \ 1167 case 6 : *s++ = c; \ 1168 case 5 : *s++ = c; \ 1169 case 4 : *s++ = c; \ 1170 case 3 : *s++ = c; \ 1171 case 2 : *s++ = c; \ 1172 case 1 : *s++ = c; \ 1173 } 1174 1175_BEGIN_EXTERNS_ 1176 1177extern Sftab_t _Sftable; 1178 1179extern int _sfpopen _ARG_((Sfio_t*, int, int, int)); 1180extern int _sfpclose _ARG_((Sfio_t*)); 1181extern int _sfexcept _ARG_((Sfio_t*, int, ssize_t, Sfdisc_t*)); 1182extern Sfrsrv_t* _sfrsrv _ARG_((Sfio_t*, ssize_t)); 1183extern int _sfsetpool _ARG_((Sfio_t*)); 1184extern char* _sfcvt _ARG_((Void_t*,char*,size_t,int,int*,int*,int*,int)); 1185extern char** _sfgetpath _ARG_((char*)); 1186 1187#if _BLD_sfio && defined(__EXPORT__) 1188#define extern __EXPORT__ 1189#endif 1190#if !_BLD_sfio && defined(__IMPORT__) 1191#define extern extern __IMPORT__ 1192#endif 1193 1194extern Sfextern_t _Sfextern; 1195 1196extern int _sfmode _ARG_((Sfio_t*, int, int)); 1197extern int _sftype _ARG_((const char*, int*, int*, int*)); 1198 1199#undef extern 1200 1201#ifndef errno 1202extern int errno; 1203#endif 1204 1205/* for portable encoding of double values */ 1206#ifndef frexpl 1207#if _ast_fltmax_double 1208#define frexpl frexp 1209#endif 1210#if !_lib_frexpl 1211extern Sfdouble_t frexpl _ARG_((Sfdouble_t, int*)); 1212#endif 1213#endif 1214#ifndef ldexpl 1215#if _ast_fltmax_double 1216#define ldexpl ldexp 1217#endif 1218#if !_lib_ldexpl 1219extern Sfdouble_t ldexpl _ARG_((Sfdouble_t, int)); 1220#endif 1221#endif 1222 1223#if !_PACKAGE_ast 1224 1225#if !__STDC__ && !_hdr_stdlib 1226extern void abort _ARG_((void)); 1227extern int atexit _ARG_((void(*)(void))); 1228extern char* getenv _ARG_((const char*)); 1229extern void* malloc _ARG_((size_t)); 1230extern void* realloc _ARG_((void*, size_t)); 1231extern void free _ARG_((void*)); 1232extern size_t strlen _ARG_((const char*)); 1233extern char* strcpy _ARG_((char*, const char*)); 1234 1235extern Void_t* memset _ARG_((void*, int, size_t)); 1236extern Void_t* memchr _ARG_((const void*, int, size_t)); 1237extern Void_t* memccpy _ARG_((void*, const void*, int, size_t)); 1238#ifndef memcpy 1239extern Void_t* memcpy _ARG_((void*, const void*, size_t)); 1240#endif 1241#if !defined(strtod) 1242extern double strtod _ARG_((const char*, char**)); 1243#endif 1244#if !defined(remove) 1245extern int sysremovef _ARG_((const char*)); 1246#endif 1247#endif /* !__STDC__ && !_hdr_stdlib */ 1248 1249#if !_hdr_unistd 1250#if _proto_open && __cplusplus 1251extern int sysopenf _ARG_((const char*, int, ...)); 1252#endif 1253extern int sysclosef _ARG_((int)); 1254extern ssize_t sysreadf _ARG_((int, void*, size_t)); 1255extern ssize_t syswritef _ARG_((int, const void*, size_t)); 1256extern sfoff_t syslseekf _ARG_((int, sfoff_t, int)); 1257extern int sysdupf _ARG_((int)); 1258extern int syspipef _ARG_((int*)); 1259extern int sysaccessf _ARG_((const char*, int)); 1260extern int sysremovef _ARG_((const char*)); 1261extern int sysfstatf _ARG_((int, sfstat_t*)); 1262extern int sysstatf _ARG_((const char*, sfstat_t*)); 1263 1264extern int isatty _ARG_((int)); 1265 1266extern int wait _ARG_((int*)); 1267extern uint sleep _ARG_((uint)); 1268extern int execl _ARG_((const char*, const char*,...)); 1269extern int execv _ARG_((const char*, char**)); 1270#if !defined(fork) 1271extern int fork _ARG_((void)); 1272#endif 1273#if _lib_unlink 1274extern int unlink _ARG_((const char*)); 1275#endif 1276 1277#endif /*_hdr_unistd*/ 1278 1279#if _lib_bcopy && !_proto_bcopy 1280extern void bcopy _ARG_((const void*, void*, size_t)); 1281#endif 1282#if _lib_bzero && !_proto_bzero 1283extern void bzero _ARG_((void*, size_t)); 1284#endif 1285 1286extern time_t time _ARG_((time_t*)); 1287extern int waitpid _ARG_((int,int*,int)); 1288extern void _exit _ARG_((int)); 1289typedef int(* Onexit_f)_ARG_((void)); 1290extern Onexit_f onexit _ARG_((Onexit_f)); 1291 1292#if _lib_vfork && !_hdr_vfork && !_sys_vfork 1293extern pid_t vfork _ARG_((void)); 1294#endif /*_lib_vfork*/ 1295 1296#if _lib_poll 1297#if _lib_poll_fd_1 1298extern int poll _ARG_((struct pollfd*, ulong, int)); 1299#else 1300extern int poll _ARG_((ulong, struct pollfd*, int)); 1301#endif 1302#endif /*_lib_poll*/ 1303 1304#endif /* _PACKAGE_ast */ 1305 1306_END_EXTERNS_ 1307 1308#endif /*_SFHDR_H*/ 1309