/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2012 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#ifndef _SFHDR_H
#define _SFHDR_H 1
#if !defined(_BLD_sfio) && !defined(_BLD_stdio)
#define _BLD_sfio 1
#endif
/* Internal definitions for sfio.
** Written by Kiem-Phong Vo
*/
#define _next next
#define _endw endw
#define _endr endr
#define _endb endb
#define _push push
#define _flags flags
#define _file file
#define _data data
#define _size size
#define _val val
#include "FEATURE/sfio"
#include "FEATURE/mmap"
/* define va_list, etc. before including sfio_t.h (sfio.h) */
#if !_PACKAGE_ast
/* some systems don't know large files */
#if defined(_NO_LARGEFILE64_SOURCE) || _mips == 2 /* || __hppa */
#undef _NO_LARGEFILE64_SOURCE
#define _NO_LARGEFILE64_SOURCE 1
#undef _LARGEFILE64_SOURCE
#undef _LARGEFILE_SOURCE
#endif
#if !_NO_LARGEFILE64_SOURCE && _typ_off64_t && _lib_lseek64 && _lib_stat64
#undef _LARGEFILE64_SOURCE
#undef _LARGEFILE_SOURCE
#undef _FILE_OFFSET_BITS
#define _LARGEFILE64_SOURCE 1 /* enabling the *64 stuff */
#define _LARGEFILE_SOURCE 1
#endif
#if _hdr_stdarg
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include "FEATURE/common"
#if !__STD_C
#define const
#endif
#endif /* !_PACKAGE_ast */
#include "sfio_t.h"
/* note that the macro vt_threaded has effect on vthread.h */
#include <vthread.h>
/* file system info */
#if _PACKAGE_ast
#include <ast.h>
#include <ast_time.h>
#include <ast_tty.h>
#include <ls.h>
/* ast always provides multibyte handling */
#undef _hdr_wchar
#undef _lib_mbrtowc
#undef _lib_wcrtomb
#define _hdr_wchar 1
#define _lib_mbrtowc 1
#define _lib_wcrtomb 1
#if _mem_st_blksize_stat
#define _stat_blksize 1
#endif
#if _lib_localeconv && _hdr_locale
#define _lib_locale 1
#endif
#define sfoff_t off_t
#define sfstat_t struct stat
#define sysclosef close
#define syscreatf creat
#define sysdupf dup
#define sysfcntlf fcntl
#define sysfstatf fstat
#define sysftruncatef ftruncate
#define syslseekf lseek
#define sysmmapf mmap
#define sysmunmapf munmap
#define sysopenf open
#define syspipef pipe
#define sysreadf read
#define sysremovef remove
#define sysstatf stat
#define syswritef write
#else /*!_PACKAGE_ast*/
/* when building the binary compatibility package, a number of header files
are not needed and they may get in the way so we remove them here.
*/
#if _SFBINARY_H
#undef _hdr_time
#undef _sys_time
#undef _sys_stat
#undef _hdr_stat
#undef _hdr_filio
#undef _sys_filio
#undef _lib_poll
#undef _stream_peek
#undef _socket_peek
#undef _hdr_vfork
#undef _sys_vfork
#undef _lib_vfork
#undef _hdr_values
#undef _hdr_math
#undef _sys_mman
#undef _hdr_mman
#undef _sys_ioctl
#endif
#if _hdr_stdlib
#include <stdlib.h>
#endif
#if _hdr_string
#include <string.h>
#endif
#if _hdr_time
#include <time.h>
#endif
#if _sys_time
#include <sys/time.h>
#endif
#if _sys_stat
#include <sys/stat.h>
#else
#if _hdr_stat
#include <stat.h>
#ifndef _sys_stat
#define _sys_stat 1
#endif
#endif
#endif /*_sys_stat*/
#ifndef _sys_stat
#define _sys_stat 0
#endif
#include <fcntl.h>
#ifndef F_SETFD
#ifndef FIOCLEX
#if _hdr_filio
#include <filio.h>
#else
#if _sys_filio
#include <sys/filio.h>
#endif /*_sys_filio*/
#endif /*_hdr_filio*/
#endif /*_FIOCLEX*/
#endif /*F_SETFD*/
#if _hdr_unistd
#include <unistd.h>
#endif
#if !_LARGEFILE64_SOURCE /* turn off the *64 stuff */
#undef _typ_off64_t
#undef _typ_struct_stat64
#undef _lib_creat64
#undef _lib_open64
#undef _lib_close64
#undef _lib_stat64
#undef _lib_fstat64
#undef _lib_ftruncate64
#undef _lib_lseek64
#undef _lib_mmap64
#undef _lib_munmap64
#endif /*!_LARGEFILE64_SOURCE */
/* see if we can use memory mapping for io */
#if _LARGEFILE64_SOURCE && !_lib_mmap64
#undef _mmap_worthy
#endif
#if !_mmap_worthy
#undef _hdr_mman
#undef _sys_mman
#endif
#if _hdr_mman
#include <mman.h>
#endif
#if _sys_mman
#include <sys/mman.h>
#endif
/* standardize system calls and types dealing with files */
#if _typ_off64_t
#define sfoff_t off64_t
#else
#define sfoff_t off_t
#endif
#if _typ_struct_stat64
#define sfstat_t struct stat64
#else
#define sfstat_t struct stat
#endif
#if _lib_lseek64
#define syslseekf lseek64
#else
#define syslseekf lseek
#endif
#if _lib_stat64
#define sysstatf stat64
#else
#define sysstatf stat
#endif
#if _lib_fstat64
#define sysfstatf fstat64
#else
#define sysfstatf fstat
#endif
#if _lib_mmap64
#define sysmmapf mmap64
#else
#define sysmmapf mmap
#endif
#if _lib_munmap64
#define sysmunmapf munmap64
#else
#define sysmunmapf munmap
#endif
#if _lib_open64
#define sysopenf open64
#else
#define sysopenf open
#endif
#if _lib_creat64
#define syscreatf creat64
#else
#define syscreatf creat
#endif
#if _lib_close64
#define sysclosef close64
#else
#define sysclosef close
#endif
#if _lib_ftruncate64
#undef _lib_ftruncate
#define _lib_ftruncate 1
#define sysftruncatef ftruncate64
#endif
#if !_lib_ftruncate64 && _lib_ftruncate
#define sysftruncatef ftruncate
#endif
#if _lib_remove
#define sysremovef remove
#else
#define sysremovef unlink
#endif
#define sysreadf read
#define syswritef write
#define syspipef pipe
#define sysdupf dup
#define sysfcntlf fcntl
#endif /*_PACKAGE_ast*/
#if !_mmap_worthy
#undef MAP_TYPE
#endif
#include "FEATURE/float"
#include <errno.h>
#include <ctype.h>
/* deal with multi-byte character and string conversions */
#if _PACKAGE_ast
#include <wchar.h>
#define _has_multibyte 1
#define SFMBMAX mbmax()
#define SFMBCPY(to,fr) memcpy((to), (fr), sizeof(mbstate_t))
#define SFMBCLR(mb) memset((mb), 0, sizeof(mbstate_t))
#define SFMBSET(lhs,v) (lhs = (v))
#define SFMBLEN(s,mb) mbsize(s)
#define SFMBDCL(ms) mbstate_t ms;
#else
#if _hdr_wchar && _typ_mbstate_t && _lib_wcrtomb && _lib_mbrtowc
#define _has_multibyte 1 /* Xopen-compliant */
#if _typ___va_list && !defined(__va_list)
#define __va_list va_list
#endif
#include <wchar.h>
#define SFMBCPY(to,fr) memcpy((to), (fr), sizeof(mbstate_t))
#define SFMBCLR(mb) memset((mb), 0, sizeof(mbstate_t))
#define SFMBSET(lhs,v) (lhs = (v))
#define SFMBDCL(mb) mbstate_t mb;
#define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) )
#endif /*_hdr_wchar && _typ_mbstate_t && _lib_wcrtomb && _lib_mbrtowc*/
#if !_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb
#define _has_multibyte 2 /* no shift states */
#include <wchar.h>
#undef mbrtowc
#define mbrtowc(wp,s,n,mb) mbtowc(wp, s, n)
#undef wcrtomb
#define wcrtomb(s,wc,mb) wctomb(s, wc)
#define SFMBCPY(to,fr)
#define SFMBCLR(mb)
#define SFMBSET(lhs,v)
#define SFMBDCL(mb)
#define SFMBLEN(s,mb) mbrtowc(NIL(wchar_t*), (s), SFMBMAX, (mb) )
#endif /*!_has_multibyte && _hdr_wchar && _lib_mbtowc && _lib_wctomb*/
#ifdef MB_CUR_MAX
#define SFMBMAX MB_CUR_MAX
#else
#define SFMBMAX sizeof(Sflong_t)
#endif
#endif /* _PACKAGE_ast */
#if !_has_multibyte
#define _has_multibyte 0 /* no multibyte support */
#define SFMBCPY(to,fr)
#define SFMBCLR(mb)
#define SFMBSET(lhs,v)
#define SFMBDCL(mb)
#define SFMBLEN(s,mb) (*(s) ? 1 : 0)
#endif /* _has_multibyte */
/* dealing with streams that might be accessed concurrently */
#if vt_threaded
#define SFMTXdecl(ff,_mf_) Sfio_t* _mf_ = (ff)
#define SFMTXbegin(ff,_mf_,rv) \
{ if((ff)->_flags&SF_MTSAFE) \
{ (_mf_) = (ff); \
if(sfmutex((ff), SFMTX_LOCK) != 0) return(rv); \
if(_Sfnotify) \
{ (*_Sfnotify)((_mf_), SF_MTACCESS, (Void_t*)(&(ff)) ); \
if(!(ff)) (ff) = (_mf_); \
} \
} \
}
#define SFMTXend(ff,_mf_) \
{ if((ff)->_flags&SF_MTSAFE) \
{ if(_Sfnotify) \
(*_Sfnotify)((_mf_), SF_MTACCESS, NIL(Void_t*) ); \
sfmutex((ff), SFMTX_UNLOCK); \
(ff) = (_mf_); \
} \
}
#define SFONCE() (_Sfdone ? 0 : vtonce(_Sfonce,_Sfoncef))
#define SFMTXLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_LOCK) : 0)
#define SFMTXUNLOCK(f) (((f)->flags&SF_MTSAFE) ? sfmutex(f,SFMTX_UNLOCK) : 0)
#define SFMTXDECL(ff) SFMTXdecl((ff), _mtxf1_)
#define SFMTXBEGIN(ff,v) { SFMTXbegin((ff), _mtxf1_, (v) ); }
#define SFMTXEND(ff) { SFMTXend(ff, _mtxf1_); }
#define SFMTXENTER(ff,v) { if(!(ff)) return(v); SFMTXBEGIN((ff), (v)); }
#define SFMTXRETURN(ff,v) { SFMTXEND(ff); return(v); }
#define SFMTXDECL2(ff) SFMTXdecl((ff), _mtxf2_)
#define SFMTXBEGIN2(ff,v) { SFMTXbegin((ff), _mtxf2_, (v) ); }
#define SFMTXEND2(ff) { SFMTXend((ff), _mtxf2_); }
#define POOLMTXLOCK(p) ( vtmtxlock(&(p)->mutex) )
#define POOLMTXUNLOCK(p) ( vtmtxunlock(&(p)->mutex) )
#define POOLMTXENTER(p) { POOLMTXLOCK(p); }
#define POOLMTXRETURN(p,rv) { POOLMTXUNLOCK(p); return(rv); }
#else /*!vt_threaded*/
#undef SF_MTSAFE /* no need to worry about thread-safety */
#define SF_MTSAFE 0
#define SFONCE() /*(0)*/
#define SFMTXLOCK(f) /*(0)*/
#define SFMTXUNLOCK(f) /*(0)*/
#define SFMTXDECL(ff) /*(0)*/
#define SFMTXBEGIN(ff,v) /*(0)*/
#define SFMTXEND(ff) /*(0)*/
#define SFMTXENTER(ff,v) { if(!(ff)) return(v); }
#define SFMTXRETURN(ff,v) { return(v); }
#define SFMTXDECL2(ff) /*(0)*/
#define SFMTXBEGIN2(ff,v) /*(0)*/
#define SFMTXEND2(ff) /*(0)*/
#define POOLMTXLOCK(p)
#define POOLMTXUNLOCK(p)
#define POOLMTXENTER(p)
#define POOLMTXRETURN(p,v) { return(v); }
#endif /*vt_threaded*/
/* functions for polling readiness of streams */
#if _lib_select
#undef _lib_poll
#if _sys_select
#include <sys/select.h>
#endif
#else
#if _lib_poll_fd_1 || _lib_poll_fd_2
#define _lib_poll 1
#endif
#endif /*_lib_select_*/
#if _lib_poll
#include <poll.h>
#if _lib_poll_fd_1
#define SFPOLL(pfd,n,tm) poll((pfd),(ulong)(n),(tm))
#else
#define SFPOLL(pfd,n,tm) poll((ulong)(n),(pfd),(tm))
#endif
#endif /*_lib_poll*/
#if _stream_peek
#include <stropts.h>
#endif
#if _socket_peek
#include <sys/socket.h>
#endif
/* to test for executable access mode of a file */
#ifndef X_OK
#define X_OK 01
#endif
/* alternative process forking */
#if _lib_vfork && !defined(fork) && !defined(__sparc) && !defined(__sparc__)
#if _hdr_vfork
#include <vfork.h>
#endif
#if _sys_vfork
#include <sys/vfork.h>
#endif
#define fork vfork
#endif
/* to get rid of pesky compiler warnings */
#if __STD_C
#define NOTUSED(x) (void)(x)
#else
#define NOTUSED(x) (&x,1)
#endif
/* Private flags in the "bits" field */
#define SF_MMAP 00000001 /* in memory mapping mode */
#define SF_BOTH 00000002 /* both read/write */
#define SF_HOLE 00000004 /* a hole of zero's was created */
#define SF_NULL 00000010 /* stream is /dev/null */
#define SF_SEQUENTIAL 00000020 /* sequential access */
#define SF_JUSTSEEK 00000040 /* just did a sfseek */
#define SF_PRIVATE 00000100 /* private stream to Sfio, no mutex */
#define SF_ENDING 00000200 /* no re-io on interrupts at closing */
#define SF_WIDE 00000400 /* in wide mode - stdio only */
#define SF_PUTR 00001000 /* in sfputr() */
/* "bits" flags that must be cleared in sfclrlock */
#define SF_TMPBITS 00170000
#define SF_DCDOWN 00010000 /* recurse down the discipline stack */
#define SF_WCFORMAT 00020000 /* wchar_t formatting - stdio only */
#if _has_multibyte
#define SFWCSET(f) ((f)->bits |= SF_WCFORMAT)
#define SFWCGET(f,v) (((v) = (f)->bits & SF_WCFORMAT), ((f)->bits &= ~SF_WCFORMAT) )
#else
#define SFWCSET(f)
#define SFWCGET(f,v)
#endif
#define SF_MVSIZE 00040000 /* f->size was reset in sfmove() */
#define SFMVSET(f) (((f)->size *= SF_NMAP), ((f)->bits |= SF_MVSIZE) )
#define SFMVUNSET(f) (!((f)->bits&SF_MVSIZE) ? 0 : \
(((f)->bits &= ~SF_MVSIZE), ((f)->size /= SF_NMAP)) )
#define SFCLRBITS(f) (SFMVUNSET(f), ((f)->bits &= ~SF_TMPBITS) )
/* bits for the mode field, SF_INIT defined in sfio_t.h */
#define SF_RC 00000010 /* peeking for a record */
#define SF_RV 00000020 /* reserve without read or most write */
#define SF_LOCK 00000040 /* stream is locked for io op */
#define SF_PUSH 00000100 /* stream has been pushed */
#define SF_POOL 00000200 /* stream is in a pool but not current */
#define SF_PEEK 00000400 /* there is a pending peek */
#define SF_PKRD 00001000 /* did a peek read */
#define SF_GETR 00002000 /* did a getr on this stream */
#define SF_SYNCED 00004000 /* stream was synced */
#define SF_STDIO 00010000 /* given up the buffer to stdio */
#define SF_AVAIL 00020000 /* was closed, available for reuse */
#define SF_LOCAL 00100000 /* sentinel for a local call */
#ifdef DEBUG
#define ASSERT(p) ((p) ? 0 : (abort(),0) )
#else
#define ASSERT(p)
#endif
/* short-hands */
#define NIL(t) ((t)0)
#define reg register
#ifndef uchar
#define uchar unsigned char
#endif
#ifndef ulong
#define ulong unsigned long
#endif
#ifndef uint
#define uint unsigned int
#endif
#ifndef ushort
#define ushort unsigned short
#endif
#define SECOND 1000 /* millisecond units */
/* macros do determine stream types from sfstat_t data */
#ifndef S_IFDIR
#define S_IFDIR 0
#endif
#ifndef S_IFREG
#define S_IFREG 0
#endif
#ifndef S_IFCHR
#define S_IFCHR 0
#endif
#ifndef S_IFIFO
#define S_IFIFO 0
#endif
#ifndef S_ISOCK
#define S_ISOCK 0
#endif
#ifndef S_IFMT
#define S_IFMT (S_IFDIR|S_IFREG|S_IFCHR|S_IFIFO|S_ISOCK)
#endif
#ifndef S_ISDIR
#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
#endif
#ifndef S_ISREG
#define S_ISREG(m) (((m)&S_IFMT) == S_IFREG)
#endif
#ifndef S_ISCHR
#define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR)
#endif
#ifndef S_ISFIFO
# if S_IFIFO
# define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO)
# else
# define S_ISFIFO(m) (0)
# endif
#endif
#ifdef S_IRUSR
#define SF_CREATMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#else
#define SF_CREATMODE 0666
#endif
/* set close-on-exec */
#ifdef F_SETFD
# ifndef FD_CLOEXEC
# define FD_CLOEXEC 1
# endif /*FD_CLOEXEC*/
# define SETCLOEXEC(fd) ((void)fcntl((fd),F_SETFD,FD_CLOEXEC))
#else
# ifdef FIOCLEX
# define SETCLOEXEC(fd) ((void)ioctl((fd),FIOCLEX,0))
# else
# define SETCLOEXEC(fd)
# endif /*FIOCLEX*/
#endif /*F_SETFD*/
#define SF_FD_CLOEXEC 0x0001
/* a couple of error number that we use, default values are like Linux */
#ifndef EINTR
#define EINTR 4
#endif
#ifndef EBADF
#define EBADF 9
#endif
#ifndef EAGAIN
#define EAGAIN 11
#endif
#ifndef ENOMEM
#define ENOMEM 12
#endif
#ifndef EINVAL
#define EINVAL 22
#endif
#ifndef ESPIPE
#define ESPIPE 29
#endif
/* function to get the decimal point for local environment */
#if !defined(SFSETLOCALE) && _PACKAGE_ast
#include "lclib.h"
#define SFSETLOCALE(dp,tp) \
do if (*(dp) == 0) { \
Lc_numeric_t* lv = (Lc_numeric_t*)LCINFO(AST_LC_NUMERIC)->data; \
*(dp) = lv->decimal; \
*(tp) = lv->thousand; \
} while (0)
#endif /*!defined(SFSETLOCALE) && _PACKAGE_ast*/
#if !defined(SFSETLOCALE) && _lib_locale
#include <locale.h>
#define SFSETLOCALE(decimal,thousand) \
do { struct lconv* lv; \
if(*(decimal) == 0) \
{ *(decimal) = '.'; \
*(thousand) = -1; \
if((lv = localeconv())) \
{ if(lv->decimal_point && *lv->decimal_point) \
*(decimal) = *(unsigned char*)lv->decimal_point; \
if(lv->thousands_sep && *lv->thousands_sep) \
*(thousand) = *(unsigned char*)lv->thousands_sep; \
} \
} \
} while (0)
#endif /*!defined(SFSETLOCALE) && _lib_locale*/
#if !defined(SFSETLOCALE)
#define SFSETLOCALE(decimal,thousand) (*(decimal)='.',*(thousand)=-1)
#endif
/* stream pool structure. */
typedef struct _sfpool_s Sfpool_t;
struct _sfpool_s
{ Sfpool_t* next;
int mode; /* type of pool */
int s_sf; /* size of pool array */
int n_sf; /* number currently in pool */
Sfio_t** sf; /* array of streams */
Sfio_t* array[3]; /* start with 3 */
Vtmutex_t mutex; /* mutex lock object */
};
/* reserve buffer structure */
typedef struct _sfrsrv_s Sfrsrv_t;
struct _sfrsrv_s
{ ssize_t slen; /* last string length */
ssize_t size; /* buffer size */
uchar data[1]; /* data buffer */
};
/* co-process structure */
typedef struct _sfproc_s Sfproc_t;
struct _sfproc_s
{ int pid; /* process id */
uchar* rdata; /* read data being cached */
int ndata; /* size of cached data */
int size; /* buffer size */
int file; /* saved file descriptor */
int sigp; /* sigpipe protection needed */
};
/* extensions to sfvprintf/sfvscanf */
#define FP_SET(fp,fn) (fp < 0 ? (fn += 1) : (fn = fp) )
#define FP_WIDTH 0
#define FP_PRECIS 1
#define FP_BASE 2
#define FP_STR 3
#define FP_SIZE 4
#define FP_INDEX 5 /* index size */
typedef struct _fmt_s Fmt_t;
typedef struct _fmtpos_s Fmtpos_t;
typedef union
{ int i, *ip;
long l, *lp;
short h, *hp;
uint ui;
ulong ul;
ushort uh;
Sflong_t ll, *llp;
Sfulong_t lu;
Sfdouble_t ld;
double d;
float f;
#if _has_multibyte
wchar_t wc;
wchar_t *ws, **wsp;
#endif
char c, *s, **sp;
uchar uc, *us, **usp;
Void_t *vp;
Sffmt_t *ft;
} Argv_t;
struct _fmt_s
{ char* form; /* format string */
va_list args; /* corresponding arglist */
SFMBDCL(mbs) /* multibyte parsing state */
char* oform; /* original format string */
va_list oargs; /* original arg list */
int argn; /* number of args already used */
Fmtpos_t* fp; /* position list */
Sffmt_t* ft; /* formatting environment */
Sffmtevent_f eventf; /* event function */
Fmt_t* next; /* stack frame pointer */
};
struct _fmtpos_s
{ Sffmt_t ft; /* environment */
Argv_t argv; /* argument value */
int fmt; /* original format */
int need[FP_INDEX]; /* positions depending on */
};
#define LEFTP '('
#define RIGHTP ')'
#define QUOTE '\''
#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif
#define FMTSET(ft, frm,ags, fv, sz, flgs, wid,pr,bs, ts,ns) \
((ft->form = (char*)frm), va_copy(ft->args,ags), \
(ft->fmt = fv), (ft->size = sz), \
(ft->flags = (flgs&SFFMT_SET)), \
(ft->width = wid), (ft->precis = pr), (ft->base = bs), \
(ft->t_str = ts), (ft->n_str = ns) )
#define FMTGET(ft, frm,ags, fv, sz, flgs, wid,pr,bs) \
((frm = ft->form), va_copy(ags,ft->args), \
(fv = ft->fmt), (sz = ft->size), \
(flgs = (flgs&~(SFFMT_SET))|(ft->flags&SFFMT_SET)), \
(wid = ft->width), (pr = ft->precis), (bs = ft->base) )
/* format flags&types, must coexist with those in sfio.h */
#define SFFMT_FORBIDDEN 000077777777 /* for sfio.h only */
#define SFFMT_EFORMAT 001000000000 /* sfcvt converting %e */
#define SFFMT_MINUS 002000000000 /* minus sign */
#define SFFMT_AFORMAT 004000000000 /* sfcvt converting %a */
#define SFFMT_UPPER 010000000000 /* sfcvt converting upper */
#define SFFMT_TYPES (SFFMT_SHORT|SFFMT_SSHORT | SFFMT_LONG|SFFMT_LLONG|\
SFFMT_LDOUBLE | SFFMT_IFLAG|SFFMT_JFLAG| \
SFFMT_TFLAG | SFFMT_ZFLAG )
/* type of elements to be converted */
#define SFFMT_INT 001 /* %d,%i */
#define SFFMT_UINT 002 /* %u,o,x etc. */
#define SFFMT_FLOAT 004 /* %f,e,g etc. */
#define SFFMT_CHAR 010 /* %c,C */
#define SFFMT_POINTER 020 /* %p,n,s,S */
#define SFFMT_CLASS 040 /* %[ */
/* local variables used across sf-functions */
typedef void (*Sfnotify_f)_ARG_((Sfio_t*, int, void*));
#define _Sfpage (_Sfextern.sf_page)
#define _Sfpool (_Sfextern.sf_pool)
#define _Sfpmove (_Sfextern.sf_pmove)
#define _Sfstack (_Sfextern.sf_stack)
#define _Sfnotify (_Sfextern.sf_notify)
#define _Sfstdsync (_Sfextern.sf_stdsync)
#define _Sfudisc (&(_Sfextern.sf_udisc))
#define _Sfcleanup (_Sfextern.sf_cleanup)
#define _Sfexiting (_Sfextern.sf_exiting)
#define _Sfdone (_Sfextern.sf_done)
#define _Sfonce (_Sfextern.sf_once)
#define _Sfoncef (_Sfextern.sf_oncef)
#define _Sfmutex (_Sfextern.sf_mutex)
typedef struct _sfextern_s
{ ssize_t sf_page;
struct _sfpool_s sf_pool;
int (*sf_pmove)_ARG_((Sfio_t*, int));
Sfio_t* (*sf_stack)_ARG_((Sfio_t*, Sfio_t*));
void (*sf_notify)_ARG_((Sfio_t*, int, void*));
int (*sf_stdsync)_ARG_((Sfio_t*));
struct _sfdisc_s sf_udisc;
void (*sf_cleanup)_ARG_((void));
int sf_exiting;
int sf_done;
Vtonce_t* sf_once;
void (*sf_oncef)_ARG_((void));
Vtmutex_t* sf_mutex;
} Sfextern_t;
/* get the real value of a byte in a coded long or ulong */
#define SFUVALUE(v) (((ulong)(v))&(SF_MORE-1))
#define SFSVALUE(v) ((( long)(v))&(SF_SIGN-1))
#define SFBVALUE(v) (((ulong)(v))&(SF_BYTE-1))
/* pick this many bits in each iteration of double encoding */
#define SF_PRECIS 7
/* grain size for buffer increment */
#define SF_GRAIN 1024
#define SF_PAGE ((ssize_t)(SF_GRAIN*sizeof(int)*2))
/* when the buffer is empty, certain io requests may be better done directly
on the given application buffers. The below condition determines when.
*/
#define SFDIRECT(f,n) (((ssize_t)(n) >= (f)->size) || \
((n) >= SF_GRAIN && (ssize_t)(n) >= (f)->size/16 ) )
/* number of pages to memory map at a time */
#if _ptr_bits >= 64
#define SF_NMAP 1024
#else
#define SF_NMAP 32
#endif
#ifndef MAP_VARIABLE
#define MAP_VARIABLE 0
#endif
#ifndef _mmap_fixed
#define _mmap_fixed 0
#endif
/* set/unset sequential states for mmap */
#if _lib_madvise && defined(MADV_SEQUENTIAL) && defined(MADV_NORMAL)
#define SFMMSEQON(f,a,s) \
do { int oerrno = errno; \
(void)madvise((caddr_t)(a),(size_t)(s),MADV_SEQUENTIAL); \
errno = oerrno; \
} while(0)
#define SFMMSEQOFF(f,a,s) \
do { int oerrno = errno; \
(void)madvise((caddr_t)(a),(size_t)(s),MADV_NORMAL); \
errno = oerrno; \
} while(0)
#else
#define SFMMSEQON(f,a,s)
#define SFMMSEQOFF(f,a,s)
#endif
#define SFMUNMAP(f,a,s) (sysmunmapf((caddr_t)(a),(size_t)(s)), \
((f)->endb = (f)->endr = (f)->endw = (f)->next = \
(f)->data = NIL(uchar*)) )
/* safe closing function */
#define CLOSE(f) { while(sysclosef(f) < 0 && errno == EINTR) errno = 0; }
/* the bottomless bit bucket */
#define DEVNULL "/dev/null"
#define SFSETNULL(f) ((f)->extent = (Sfoff_t)(-1), (f)->bits |= SF_NULL)
#define SFISNULL(f) ((f)->extent < 0 && ((f)->bits&SF_NULL) )
#define SFKILL(f) ((f)->mode = (SF_AVAIL|SF_LOCK) )
#define SFKILLED(f) (((f)->mode&(SF_AVAIL|SF_LOCK)) == (SF_AVAIL|SF_LOCK) )
/* exception types */
#define SF_EDONE 0 /* stop this operation and return */
#define SF_EDISC 1 /* discipline says it's ok */
#define SF_ESTACK 2 /* stack was popped */
#define SF_ECONT 3 /* can continue normally */
#define SETLOCAL(f) ((f)->mode |= SF_LOCAL)
#define GETLOCAL(f,v) ((v) = ((f)->mode&SF_LOCAL), (f)->mode &= ~SF_LOCAL, (v))
#define SFWRALL(f) ((f)->mode |= SF_RV)
#define SFISALL(f,v) ((((v) = (f)->mode&SF_RV) ? ((f)->mode &= ~SF_RV) : 0), \
((v) || ((f)->flags&(SF_SHARE|SF_APPENDWR|SF_WHOLE)) ) )
#define SFSK(f,a,o,d) (SETLOCAL(f),sfsk(f,(Sfoff_t)a,o,d))
#define SFRD(f,b,n,d) (SETLOCAL(f),sfrd(f,(Void_t*)b,n,d))
#define SFWR(f,b,n,d) (SETLOCAL(f),sfwr(f,(Void_t*)b,n,d))
#define SFSYNC(f) (SETLOCAL(f),sfsync(f))
#define SFCLOSE(f) (SETLOCAL(f),sfclose(f))
#define SFFLSBUF(f,n) (SETLOCAL(f),_sfflsbuf(f,n))
#define SFFILBUF(f,n) (SETLOCAL(f),_sffilbuf(f,n))
#define SFSETBUF(f,s,n) (SETLOCAL(f),sfsetbuf(f,s,n))
#define SFWRITE(f,s,n) (SETLOCAL(f),sfwrite(f,s,n))
#define SFREAD(f,s,n) (SETLOCAL(f),sfread(f,s,n))
#define SFSEEK(f,p,t) (SETLOCAL(f),sfseek(f,p,t))
#define SFNPUTC(f,c,n) (SETLOCAL(f),sfnputc(f,c,n))
#define SFRAISE(f,e,d) (SETLOCAL(f),sfraise(f,e,d))
/* lock/open a stream */
#define SFMODE(f,l) ((f)->mode & ~(SF_RV|SF_RC|((l) ? SF_LOCK : 0)) )
#define SFLOCK(f,l) (void)((f)->mode |= SF_LOCK, (f)->endr = (f)->endw = (f)->data)
#define _SFOPENRD(f) ((f)->endr = ((f)->flags&SF_MTSAFE) ? (f)->data : (f)->endb)
#define _SFOPENWR(f) ((f)->endw = ((f)->flags&(SF_MTSAFE|SF_LINE)) ? (f)->data : (f)->endb)
#define _SFOPEN(f) ((f)->mode == SF_READ ? _SFOPENRD(f) : \
(f)->mode == SF_WRITE ? _SFOPENWR(f) : \
((f)->endw = (f)->endr = (f)->data) )
#define SFOPEN(f,l) (void)((l) ? 0 : \
((f)->mode &= ~(SF_LOCK|SF_RC|SF_RV), _SFOPEN(f), 0) )
/* check to see if the stream can be accessed */
#define SFFROZEN(f) (((f)->mode&(SF_PUSH|SF_LOCK|SF_PEEK)) ? 1 : \
!((f)->mode&SF_STDIO) ? 0 : \
_Sfstdsync ? (*_Sfstdsync)(f) : (((f)->mode &= ~SF_STDIO),0) )
/* set discipline code */
#define SFDISC(f,dc,iof) \
{ Sfdisc_t* d; \
if(!(dc)) \
d = (dc) = (f)->disc; \
else d = (f->bits&SF_DCDOWN) ? ((dc) = (dc)->disc) : (dc); \
while(d && !(d->iof)) d = d->disc; \
if(d) (dc) = d; \
}
#define SFDCRD(f,buf,n,dc,rv) \
{ int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \
rv = (*dc->readf)(f,buf,n,dc); \
if(!dcdown) f->bits &= ~SF_DCDOWN; \
}
#define SFDCWR(f,buf,n,dc,rv) \
{ int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \
rv = (*dc->writef)(f,buf,n,dc); \
if(!dcdown) f->bits &= ~SF_DCDOWN; \
}
#define SFDCSK(f,addr,type,dc,rv) \
{ int dcdown = f->bits&SF_DCDOWN; f->bits |= SF_DCDOWN; \
rv = (*dc->seekf)(f,addr,type,dc); \
if(!dcdown) f->bits &= ~SF_DCDOWN; \
}
/* fast peek of a stream */
#define _SFAVAIL(f,s,n) ((n) = (f)->endb - ((s) = (f)->next) )
#define SFRPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \
((n) = SFFILBUF(f,-1), (s) = (f)->next, (n)) )
#define SFWPEEK(f,s,n) (_SFAVAIL(f,s,n) > 0 ? (n) : \
((n) = SFFLSBUF(f,-1), (s) = (f)->next, (n)) )
/* more than this for a line buffer, we might as well flush */
#define HIFORLINE 128
/* string stream extent */
#define SFSTRSIZE(f) { Sfoff_t s = (f)->next - (f)->data; \
if(s > (f)->here) \
{ (f)->here = s; if(s > (f)->extent) (f)->extent = s; } \
}
/* control flags for open() */
#ifdef O_CREAT
#define _has_oflags 1
#else /* for example, research UNIX */
#define _has_oflags 0
#define O_CREAT 004
#define O_TRUNC 010
#define O_APPEND 020
#define O_EXCL 040
#ifndef O_RDONLY
#define O_RDONLY 000
#endif
#ifndef O_WRONLY
#define O_WRONLY 001
#endif
#ifndef O_RDWR
#define O_RDWR 002
#endif
#endif /*O_CREAT*/
#ifndef O_BINARY
#define O_BINARY 000
#endif
#ifndef O_TEXT
#define O_TEXT 000
#endif
#ifndef O_TEMPORARY
#define O_TEMPORARY 000
#endif
#define SF_RADIX 64 /* maximum integer conversion base */
#if _PACKAGE_ast
#define SF_MAXINT INT_MAX
#define SF_MAXLONG LONG_MAX
#else
#define SF_MAXINT ((int)(((uint)~0) >> 1))
#define SF_MAXLONG ((long)(((ulong)~0L) >> 1))
#endif
#define SF_MAXCHAR ((uchar)(~0))
/* floating point to ascii conversion */
#define SF_MAXEXP10 6
#define SF_MAXPOW10 (1 << SF_MAXEXP10)
#if !_ast_fltmax_double
#define SF_FDIGITS 1024 /* max allowed fractional digits */
#define SF_IDIGITS (8*1024) /* max number of digits in int part */
#else
#define SF_FDIGITS 256 /* max allowed fractional digits */
#define SF_IDIGITS 1024 /* max number of digits in int part */
#endif
#define SF_MAXDIGITS (((SF_FDIGITS+SF_IDIGITS)/sizeof(int) + 1)*sizeof(int))
/* tables for numerical translation */
#define _Sfpos10 (_Sftable.sf_pos10)
#define _Sfneg10 (_Sftable.sf_neg10)
#define _Sfdec (_Sftable.sf_dec)
#define _Sfdigits (_Sftable.sf_digits)
#define _Sfcvinitf (_Sftable.sf_cvinitf)
#define _Sfcvinit (_Sftable.sf_cvinit)
#define _Sffmtposf (_Sftable.sf_fmtposf)
#define _Sffmtintf (_Sftable.sf_fmtintf)
#define _Sfcv36 (_Sftable.sf_cv36)
#define _Sfcv64 (_Sftable.sf_cv64)
#define _Sftype (_Sftable.sf_type)
#define _Sfieee (&_Sftable.sf_ieee)
#define _Sffinf (_Sftable.sf_ieee.fltinf)
#define _Sfdinf (_Sftable.sf_ieee.dblinf)
#define _Sflinf (_Sftable.sf_ieee.ldblinf)
#define _Sffnan (_Sftable.sf_ieee.fltnan)
#define _Sfdnan (_Sftable.sf_ieee.dblnan)
#define _Sflnan (_Sftable.sf_ieee.ldblnan)
#define _Sffpow10 (_Sftable.sf_flt_pow10)
#define _Sfdpow10 (_Sftable.sf_dbl_pow10)
#define _Sflpow10 (_Sftable.sf_ldbl_pow10)
typedef struct _sfieee_s Sfieee_t;
struct _sfieee_s
{ float fltnan; /* float NAN */
float fltinf; /* float INF */
double dblnan; /* double NAN */
double dblinf; /* double INF */
Sfdouble_t ldblnan; /* Sfdouble_t NAN */
Sfdouble_t ldblinf; /* Sfdouble_t INF */
};
typedef struct _sftab_
{ Sfdouble_t sf_pos10[SF_MAXEXP10]; /* positive powers of 10 */
Sfdouble_t sf_neg10[SF_MAXEXP10]; /* negative powers of 10 */
uchar sf_dec[200]; /* ascii reps of values < 100 */
char* sf_digits; /* digits for general bases */
int (*sf_cvinitf)(); /* initialization function */
int sf_cvinit; /* initialization state */
Fmtpos_t* (*sf_fmtposf)_ARG_((Sfio_t*,const char*,va_list,Sffmt_t*,int));
char* (*sf_fmtintf)_ARG_((const char*,int*));
float* sf_flt_pow10; /* float powers of 10 */
double* sf_dbl_pow10; /* double powers of 10 */
Sfdouble_t* sf_ldbl_pow10; /* Sfdouble_t powers of 10 */
uchar sf_cv36[SF_MAXCHAR+1]; /* conversion for base [2-36] */
uchar sf_cv64[SF_MAXCHAR+1]; /* conversion for base [37-64] */
uchar sf_type[SF_MAXCHAR+1]; /* conversion formats&types */
Sfieee_t sf_ieee; /* IEEE floating point constants*/
} Sftab_t;
/* thread-safe macro/function to initialize _Sfcv* conversion tables */
#define SFCVINIT() (_Sfcvinit ? 1 : (_Sfcvinit = (*_Sfcvinitf)()) )
/* sfucvt() converts decimal integers to ASCII */
#define SFDIGIT(v,scale,digit) \
{ if(v < 5*scale) \
if(v < 2*scale) \
if(v < 1*scale) \
{ digit = '0'; } \
else { digit = '1'; v -= 1*scale; } \
else if(v < 3*scale) \
{ digit = '2'; v -= 2*scale; } \
else if(v < 4*scale) \
{ digit = '3'; v -= 3*scale; } \
else { digit = '4'; v -= 4*scale; } \
else if(v < 7*scale) \
if(v < 6*scale) \
{ digit = '5'; v -= 5*scale; } \
else { digit = '6'; v -= 6*scale; } \
else if(v < 8*scale) \
{ digit = '7'; v -= 7*scale; } \
else if(v < 9*scale) \
{ digit = '8'; v -= 8*scale; } \
else { digit = '9'; v -= 9*scale; } \
}
#define sfucvt(v,s,n,list,type,utype) \
{ while((utype)v >= 10000) \
{ n = v; v = (type)(((utype)v)/10000); \
n = (type)((utype)n - ((utype)v)*10000); \
s -= 4; SFDIGIT(n,1000,s[0]); SFDIGIT(n,100,s[1]); \
s[2] = *(list = (char*)_Sfdec + (n <<= 1)); s[3] = *(list+1); \
} \
if(v < 100) \
{ if(v < 10) \
{ s -= 1; s[0] = (char)('0'+v); \
} else \
{ s -= 2; s[0] = *(list = (char*)_Sfdec + (v <<= 1)); s[1] = *(list+1); \
} \
} else \
{ if(v < 1000) \
{ s -= 3; SFDIGIT(v,100,s[0]); \
s[1] = *(list = (char*)_Sfdec + (v <<= 1)); s[2] = *(list+1); \
} else \
{ s -= 4; SFDIGIT(v,1000,s[0]); SFDIGIT(v,100,s[1]); \
s[2] = *(list = (char*)_Sfdec + (v <<= 1)); s[3] = *(list+1); \
} \
} \
}
/* handy functions */
#undef min
#undef max
#define min(x,y) ((x) < (y) ? (x) : (y))
#define max(x,y) ((x) > (y) ? (x) : (y))
/* fast functions for memory copy and memory clear */
#if _PACKAGE_ast
#define memclear(s,n) memzero(s,n)
#else
#if _lib_bcopy && !_lib_memcpy
#define memcpy(to,fr,n) bcopy((fr),(to),(n))
#endif
#if _lib_bzero && !_lib_memset
#define memclear(s,n) bzero((s),(n))
#else
#define memclear(s,n) memset((s),'\0',(n))
#endif
#endif /*_PACKAGE_ast*/
/* note that MEMCPY advances the associated pointers */
#define MEMCPY(to,fr,n) \
switch(n) \
{ default : memcpy((Void_t*)to,(Void_t*)fr,n); to += n; fr += n; break; \
case 7 : *to++ = *fr++; \
case 6 : *to++ = *fr++; \
case 5 : *to++ = *fr++; \
case 4 : *to++ = *fr++; \
case 3 : *to++ = *fr++; \
case 2 : *to++ = *fr++; \
case 1 : *to++ = *fr++; \
}
#define MEMSET(s,c,n) \
switch(n) \
{ default : memset((Void_t*)s,(int)c,n); s += n; break; \
case 7 : *s++ = c; \
case 6 : *s++ = c; \
case 5 : *s++ = c; \
case 4 : *s++ = c; \
case 3 : *s++ = c; \
case 2 : *s++ = c; \
case 1 : *s++ = c; \
}
_BEGIN_EXTERNS_
extern Sftab_t _Sftable;
extern int _sfpopen _ARG_((Sfio_t*, int, int, int));
extern int _sfpclose _ARG_((Sfio_t*));
extern int _sfexcept _ARG_((Sfio_t*, int, ssize_t, Sfdisc_t*));
extern Sfrsrv_t* _sfrsrv _ARG_((Sfio_t*, ssize_t));
extern int _sfsetpool _ARG_((Sfio_t*));
extern char* _sfcvt _ARG_((Void_t*,char*,size_t,int,int*,int*,int*,int));
extern char** _sfgetpath _ARG_((char*));
#if _BLD_sfio && defined(__EXPORT__)
#define extern __EXPORT__
#endif
#if !_BLD_sfio && defined(__IMPORT__)
#define extern extern __IMPORT__
#endif
extern Sfextern_t _Sfextern;
extern int _sfmode _ARG_((Sfio_t*, int, int));
extern int _sftype _ARG_((const char*, int*, int*, int*));
#undef extern
#ifndef errno
extern int errno;
#endif
/* for portable encoding of double values */
#ifndef frexpl
#if _ast_fltmax_double
#define frexpl frexp
#endif
#if !_lib_frexpl
extern Sfdouble_t frexpl _ARG_((Sfdouble_t, int*));
#endif
#endif
#ifndef ldexpl
#if _ast_fltmax_double
#define ldexpl ldexp
#endif
#if !_lib_ldexpl
extern Sfdouble_t ldexpl _ARG_((Sfdouble_t, int));
#endif
#endif
#if !_PACKAGE_ast
#if !__STDC__ && !_hdr_stdlib
extern void abort _ARG_((void));
extern int atexit _ARG_((void(*)(void)));
extern char* getenv _ARG_((const char*));
extern void* malloc _ARG_((size_t));
extern void* realloc _ARG_((void*, size_t));
extern void free _ARG_((void*));
extern size_t strlen _ARG_((const char*));
extern char* strcpy _ARG_((char*, const char*));
extern Void_t* memset _ARG_((void*, int, size_t));
extern Void_t* memchr _ARG_((const void*, int, size_t));
extern Void_t* memccpy _ARG_((void*, const void*, int, size_t));
#ifndef memcpy
extern Void_t* memcpy _ARG_((void*, const void*, size_t));
#endif
#if !defined(strtod)
extern double strtod _ARG_((const char*, char**));
#endif
#if !defined(remove)
extern int sysremovef _ARG_((const char*));
#endif
#endif /* !__STDC__ && !_hdr_stdlib */
#if !_hdr_unistd
#if _proto_open && __cplusplus
extern int sysopenf _ARG_((const char*, int, ...));
#endif
extern int sysclosef _ARG_((int));
extern ssize_t sysreadf _ARG_((int, void*, size_t));
extern ssize_t syswritef _ARG_((int, const void*, size_t));
extern sfoff_t syslseekf _ARG_((int, sfoff_t, int));
extern int sysdupf _ARG_((int));
extern int syspipef _ARG_((int*));
extern int sysaccessf _ARG_((const char*, int));
extern int sysremovef _ARG_((const char*));
extern int sysfstatf _ARG_((int, sfstat_t*));
extern int sysstatf _ARG_((const char*, sfstat_t*));
extern int isatty _ARG_((int));
extern int wait _ARG_((int*));
extern uint sleep _ARG_((uint));
extern int execl _ARG_((const char*, const char*,...));
extern int execv _ARG_((const char*, char**));
#if !defined(fork)
extern int fork _ARG_((void));
#endif
#if _lib_unlink
extern int unlink _ARG_((const char*));
#endif
#endif /*_hdr_unistd*/
#if _lib_bcopy && !_proto_bcopy
extern void bcopy _ARG_((const void*, void*, size_t));
#endif
#if _lib_bzero && !_proto_bzero
extern void bzero _ARG_((void*, size_t));
#endif
extern time_t time _ARG_((time_t*));
extern int waitpid _ARG_((int,int*,int));
extern void _exit _ARG_((int));
typedef int(* Onexit_f)_ARG_((void));
extern Onexit_f onexit _ARG_((Onexit_f));
#if _lib_vfork && !_hdr_vfork && !_sys_vfork
extern pid_t vfork _ARG_((void));
#endif /*_lib_vfork*/
#if _lib_poll
#if _lib_poll_fd_1
extern int poll _ARG_((struct pollfd*, ulong, int));
#else
extern int poll _ARG_((ulong, struct pollfd*, int));
#endif
#endif /*_lib_poll*/
#endif /* _PACKAGE_ast */
_END_EXTERNS_
#endif /*_SFHDR_H*/