#ifndef _SFIO_H

#define _SFIO_H 1

#define SFIO_VERSION 20080717L

typedef struct _sfio_s Sfio_t;

typedef struct _sfdisc_s Sfdisc_t;

#if defined(_AST_STD_H) || defined(_PACKAGE_ast) && defined(_SFIO_PRIVATE)

#include <ast_std.h>

#else

#include <ast_common.h>

#endif /* _PACKAGE_ast */

#define Sfoff_t intmax_t

#define Sflong_t intmax_t

#define Sfulong_t uintmax_t

#define Sfdouble_t _ast_fltmax_t

typedef ssize_t (*Sfread_f)_ARG_((Sfio_t*, Void_t*, size_t, Sfdisc_t*));

typedef ssize_t (*Sfwrite_f)_ARG_((Sfio_t*, const Void_t*, size_t, Sfdisc_t*));

typedef Sfoff_t (*Sfseek_f)_ARG_((Sfio_t*, Sfoff_t, int, Sfdisc_t*));

typedef int (*Sfexcept_f)_ARG_((Sfio_t*, int, Void_t*, Sfdisc_t*));

typedef int (*Sfwalk_f)_ARG_((Sfio_t*, Void_t*));

struct _sfdisc_s

{ Sfread_f readf; /* read function */

Sfwrite_f writef; /* write function */

Sfseek_f seekf; /* seek function */

Sfexcept_f exceptf; /* to handle exceptions */

Sfdisc_t* disc; /* the continuing discipline */

};

#include <sfio_s.h>

typedef struct _sffmt_s Sffmt_t;

typedef int (*Sffmtext_f)_ARG_((Sfio_t*, Void_t*, Sffmt_t*));

typedef int (*Sffmtevent_f)_ARG_((Sfio_t*, int, Void_t*, Sffmt_t*));

struct _sffmt_s

{ long version;/* version of this structure */

Sffmtext_f extf; /* function to process arguments */

Sffmtevent_f eventf; /* process events */

char* form; /* format string to stack */

va_list args; /* corresponding arg list */

int fmt; /* format character */

ssize_t size; /* object size */

int flags; /* formatting flags */

int width; /* width of field */

int precis; /* precision required */

int base; /* conversion base */

char* t_str; /* type string */

ssize_t n_str; /* length of t_str */

Void_t* mbs; /* multibyte state for format string */

Void_t* none; /* unused for now */

};

#define sffmtversion(fe,type) \

((type) ? ((fe)->version = SFIO_VERSION) : (fe)->version)

#define SFFMT_SSHORT 000000010 /* 'hh' flag, char */

#define SFFMT_TFLAG 000000020 /* 't' flag, ptrdiff_t */

#define SFFMT_ZFLAG 000000040 /* 'z' flag, size_t */

#define SFFMT_LEFT 000000100 /* left-justification */

#define SFFMT_SIGN 000000200 /* must have a sign */

#define SFFMT_BLANK 000000400 /* if not signed, prepend a blank */

#define SFFMT_ZERO 000001000 /* zero-padding on the left */

#define SFFMT_ALTER 000002000 /* alternate formatting */

#define SFFMT_THOUSAND 000004000 /* thousand grouping */

#define SFFMT_SKIP 000010000 /* skip assignment in scanf() */

#define SFFMT_SHORT 000020000 /* 'h' flag */

#define SFFMT_LONG 000040000 /* 'l' flag */

#define SFFMT_LLONG 000100000 /* 'll' flag */

#define SFFMT_LDOUBLE 000200000 /* 'L' flag */

#define SFFMT_VALUE 000400000 /* value is returned */

#define SFFMT_ARGPOS 001000000 /* getting arg for $ patterns */

#define SFFMT_IFLAG 002000000 /* 'I' flag */

#define SFFMT_JFLAG 004000000 /* 'j' flag, intmax_t */

#define SFFMT_CENTER 010000000 /* '=' flag, center justification */

#define SFFMT_SET 017777770 /* flags settable on calling extf */

#define SFMTX_LOCK 0 /* up mutex count */

#define SFMTX_TRYLOCK 1 /* try to up mutex count */

#define SFMTX_UNLOCK 2 /* down mutex count */

#define SFMTX_CLRLOCK 3 /* clear mutex count */

#ifndef NULL

#define NULL 0

#endif

#ifndef EOF

#define EOF (-1)

#endif

#ifndef SEEK_SET

#define SEEK_SET 0

#define SEEK_CUR 1

#define SEEK_END 2

#endif

#define SF_READ 0000001 /* open for reading */

#define SF_WRITE 0000002 /* open for writing */

#define SF_STRING 0000004 /* a string stream */

#define SF_APPENDWR 0000010 /* file is in append mode only */

#define SF_MALLOC 0000020 /* buffer is malloc-ed */

#define SF_LINE 0000040 /* line buffering */

#define SF_SHARE 0000100 /* stream with shared file descriptor */

#define SF_EOF 0000200 /* eof was detected */

#define SF_ERROR 0000400 /* an error happened */

#define SF_STATIC 0001000 /* a stream that cannot be freed */

#define SF_IOCHECK 0002000 /* call exceptf before doing IO */

#define SF_PUBLIC 0004000 /* SF_SHARE and follow physical seek */

#define SF_MTSAFE 0010000 /* need thread safety */

#define SF_WHOLE 0020000 /* preserve wholeness of sfwrite/sfputr */

#define SF_IOINTR 0040000 /* return on interrupts */

#define SF_WCWIDTH 0100000 /* wcwidth display stream */

#define SF_FLAGS 0177177 /* PUBLIC FLAGS PASSABLE TO SFNEW() */

#define SF_SETS 0177163 /* flags passable to sfset() */

#ifndef _SF_NO_OBSOLETE

#define SF_BUFCONST 0400000 /* unused flag - for compatibility only */

#endif

#define SF_LOCKR 0000010 /* lock record, stop access to stream */

#define SF_LASTR 0000020 /* get the last incomplete record */

#define SF_SEEK 3 /* seek error */

#define SF_CLOSING 4 /* when stream is about to be closed */

#define SF_DPUSH 5 /* when discipline is being pushed */

#define SF_DPOP 6 /* when discipline is being popped */

#define SF_DPOLL 7 /* see if stream is ready for I/O */

#define SF_DBUFFER 8 /* buffer not empty during push or pop */

#define SF_SYNC 9 /* announcing start/end synchronization */

#define SF_PURGE 10 /* a sfpurge() call was issued */

#define SF_FINAL 11 /* closing is done except stream free */

#define SF_READY 12 /* a polled stream is ready */

#define SF_LOCKED 13 /* stream is in a locked state */

#define SF_ATEXIT 14 /* process is exiting */

#define SF_EVENT 100 /* start of user-defined events */

#define SF_POPSTACK ((Sfio_t*)0) /* pop the stream stack */

#define SF_POPDISC ((Sfdisc_t*)0) /* pop the discipline stack */

#define SF_NEW 0 /* new stream */

#define SF_SETFD (-1) /* about to set the file descriptor */

#define SF_MTACCESS (-2) /* starting a multi-threaded stream */

#define SF_BUFSIZE 8192 /* default buffer size */

#define SF_UNBOUND (-1) /* unbounded buffer size */

#if !_mac_SF_APPEND

#define SF_APPEND SF_APPENDWR /* BSDI sys/stat.h */

#endif

#if !_mac_SF_CLOSE

#define SF_CLOSE SF_CLOSING /* AIX sys/socket.h */

#endif

#if _BLD_sfio && defined(__EXPORT__)

#define extern extern __EXPORT__

#endif

#if !_BLD_sfio && defined(__IMPORT__)

#define extern extern __IMPORT__

#endif

extern ssize_t _Sfi;

extern ssize_t _Sfmaxr;

extern Sfio_t* sfstdin;

extern Sfio_t* sfstdout;

extern Sfio_t* sfstderr;

#if _UWIN

#undef extern

#endif

extern Sfio_t _Sfstdin;

extern Sfio_t _Sfstdout;

extern Sfio_t _Sfstderr;

#undef extern

#if _BLD_sfio && defined(__EXPORT__)

#define extern __EXPORT__

#endif

extern Sfio_t* sfnew _ARG_((Sfio_t*, Void_t*, size_t, int, int));

extern Sfio_t* sfopen _ARG_((Sfio_t*, const char*, const char*));

extern Sfio_t* sfpopen _ARG_((Sfio_t*, const char*, const char*));

extern Sfio_t* sfstack _ARG_((Sfio_t*, Sfio_t*));

extern Sfio_t* sfswap _ARG_((Sfio_t*, Sfio_t*));

extern Sfio_t* sftmp _ARG_((size_t));

extern int sfwalk _ARG_((Sfwalk_f, Void_t*, int));

extern int sfpurge _ARG_((Sfio_t*));

extern int sfpoll _ARG_((Sfio_t**, int, int));

extern Void_t* sfreserve _ARG_((Sfio_t*, ssize_t, int));

extern int sfresize _ARG_((Sfio_t*, Sfoff_t));

extern int sfsync _ARG_((Sfio_t*));

extern int sfclrlock _ARG_((Sfio_t*));

extern Void_t* sfsetbuf _ARG_((Sfio_t*, Void_t*, size_t));

extern Sfdisc_t* sfdisc _ARG_((Sfio_t*,Sfdisc_t*));

extern int sfraise _ARG_((Sfio_t*, int, Void_t*));

extern int sfnotify _ARG_((void(*)(Sfio_t*, int, void*)));

extern int sfset _ARG_((Sfio_t*, int, int));

extern int sfsetfd _ARG_((Sfio_t*, int));

extern Sfio_t* sfpool _ARG_((Sfio_t*, Sfio_t*, int));

extern ssize_t sfread _ARG_((Sfio_t*, Void_t*, size_t));

extern ssize_t sfwrite _ARG_((Sfio_t*, const Void_t*, size_t));

extern Sfoff_t sfmove _ARG_((Sfio_t*, Sfio_t*, Sfoff_t, int));

extern int sfclose _ARG_((Sfio_t*));

extern Sfoff_t sftell _ARG_((Sfio_t*));

extern Sfoff_t sfseek _ARG_((Sfio_t*, Sfoff_t, int));

extern ssize_t sfputr _ARG_((Sfio_t*, const char*, int));

extern char* sfgetr _ARG_((Sfio_t*, int, int));

extern ssize_t sfnputc _ARG_((Sfio_t*, int, size_t));

extern int sfungetc _ARG_((Sfio_t*, int));

extern int sfprintf _ARG_((Sfio_t*, const char*, ...));

extern char* sfprints _ARG_((const char*, ...));

extern ssize_t sfsprintf _ARG_((char*, size_t, const char*, ...));

extern ssize_t sfvsprintf _ARG_((char*, size_t, const char*, va_list));

extern int sfvprintf _ARG_((Sfio_t*, const char*, va_list));

extern int sfscanf _ARG_((Sfio_t*, const char*, ...));

extern int sfsscanf _ARG_((const char*, const char*, ...));

extern int sfvsscanf _ARG_((const char*, const char*, va_list));

extern int sfvscanf _ARG_((Sfio_t*, const char*, va_list));

extern int sfmutex _ARG_((Sfio_t*, int));

extern ssize_t sfrd _ARG_((Sfio_t*, Void_t*, size_t, Sfdisc_t*));

extern ssize_t sfwr _ARG_((Sfio_t*, const Void_t*, size_t, Sfdisc_t*));

extern Sfoff_t sfsk _ARG_((Sfio_t*, Sfoff_t, int, Sfdisc_t*));

extern ssize_t sfpkrd _ARG_((int, Void_t*, size_t, int, long, int));

extern int sfdlen _ARG_((Sfdouble_t));

extern int sfllen _ARG_((Sflong_t));

extern int sfulen _ARG_((Sfulong_t));

extern int sfputd _ARG_((Sfio_t*, Sfdouble_t));

extern int sfputl _ARG_((Sfio_t*, Sflong_t));

extern int sfputu _ARG_((Sfio_t*, Sfulong_t));

extern int sfputm _ARG_((Sfio_t*, Sfulong_t, Sfulong_t));

extern int sfputc _ARG_((Sfio_t*, int));

extern Sfdouble_t sfgetd _ARG_((Sfio_t*));

extern Sflong_t sfgetl _ARG_((Sfio_t*));

extern Sfulong_t sfgetu _ARG_((Sfio_t*));

extern Sfulong_t sfgetm _ARG_((Sfio_t*, Sfulong_t));

extern int sfgetc _ARG_((Sfio_t*));

extern int _sfputd _ARG_((Sfio_t*, Sfdouble_t));

extern int _sfputl _ARG_((Sfio_t*, Sflong_t));

extern int _sfputu _ARG_((Sfio_t*, Sfulong_t));

extern int _sfputm _ARG_((Sfio_t*, Sfulong_t, Sfulong_t));

extern int _sfflsbuf _ARG_((Sfio_t*, int));

extern int _sffilbuf _ARG_((Sfio_t*, int));

extern int _sfdlen _ARG_((Sfdouble_t));

extern int _sfllen _ARG_((Sflong_t));

extern int _sfulen _ARG_((Sfulong_t));

extern Sfoff_t sfsize _ARG_((Sfio_t*));

extern int sfclrerr _ARG_((Sfio_t*));

extern int sfeof _ARG_((Sfio_t*));

extern int sferror _ARG_((Sfio_t*));

extern int sffileno _ARG_((Sfio_t*));

extern int sfstacked _ARG_((Sfio_t*));

extern ssize_t sfvalue _ARG_((Sfio_t*));

extern ssize_t sfslen _ARG_((void));

extern ssize_t sfmaxr _ARG_((ssize_t, int));

#undef extern

#define SF_SBITS 6

#define SF_UBITS 7

#define SF_BBITS 8

#define SF_SIGN (1 << SF_SBITS)

#define SF_MORE (1 << SF_UBITS)

#define SF_BYTE (1 << SF_BBITS)

#define SF_U1 SF_MORE

#define SF_U2 (SF_U1*SF_U1)

#define SF_U3 (SF_U2*SF_U1)

#define SF_U4 (SF_U3*SF_U1)

#if __cplusplus

#define _SF_(f) (f)

#else

#define _SF_(f) ((Sfio_t*)(f))

#endif

#define __sf_putd(f,v) (_sfputd(_SF_(f),(Sfdouble_t)(v)))

#define __sf_putl(f,v) (_sfputl(_SF_(f),(Sflong_t)(v)))

#define __sf_putu(f,v) (_sfputu(_SF_(f),(Sfulong_t)(v)))

#define __sf_putm(f,v,m) (_sfputm(_SF_(f),(Sfulong_t)(v),(Sfulong_t)(m)))

#define __sf_putc(f,c) (_SF_(f)->_next >= _SF_(f)->_endw ? \

_sfflsbuf(_SF_(f),(int)((unsigned char)(c))) : \

(int)(*_SF_(f)->_next++ = (unsigned char)(c)) )

#define __sf_getc(f) (_SF_(f)->_next >= _SF_(f)->_endr ? _sffilbuf(_SF_(f),0) : \

(int)(*_SF_(f)->_next++) )

#define __sf_dlen(v) (_sfdlen((Sfdouble_t)(v)) )

#define __sf_llen(v) (_sfllen((Sflong_t)(v)) )

#define __sf_ulen(v) ((Sfulong_t)(v) < SF_U1 ? 1 : (Sfulong_t)(v) < SF_U2 ? 2 : \

(Sfulong_t)(v) < SF_U3 ? 3 : (Sfulong_t)(v) < SF_U4 ? 4 : 5)

#define __sf_fileno(f) (_SF_(f)->_file)

#define __sf_eof(f) (_SF_(f)->_flags&SF_EOF)

#define __sf_error(f) (_SF_(f)->_flags&SF_ERROR)

#define __sf_clrerr(f) (_SF_(f)->_flags &= ~(SF_ERROR|SF_EOF))

#define __sf_stacked(f) (_SF_(f)->_push != (Sfio_t*)0)

#define __sf_value(f) (_SF_(f)->_val)

#define __sf_slen() (_Sfi)

#define __sf_maxr(n,s) ((s)?((_Sfi=_Sfmaxr),(_Sfmaxr=(n)),_Sfi):_Sfmaxr)

#if defined(__INLINE__) && !_BLD_sfio

__INLINE__ int sfputd(Sfio_t* f, Sfdouble_t v) { return __sf_putd(f,v); }

__INLINE__ int sfputl(Sfio_t* f, Sflong_t v) { return __sf_putl(f,v); }

__INLINE__ int sfputu(Sfio_t* f, Sfulong_t v) { return __sf_putu(f,v); }

__INLINE__ int sfputm(Sfio_t* f, Sfulong_t v, Sfulong_t m)

{ return __sf_putm(f,v,m); }

__INLINE__ int sfputc(Sfio_t* f, int c) { return __sf_putc(f,c); }

__INLINE__ int sfgetc(Sfio_t* f) { return __sf_getc(f); }

__INLINE__ int sfdlen(Sfdouble_t v) { return __sf_dlen(v); }

__INLINE__ int sfllen(Sflong_t v) { return __sf_llen(v); }

__INLINE__ int sfulen(Sfulong_t v) { return __sf_ulen(v); }

__INLINE__ int sffileno(Sfio_t* f) { return __sf_fileno(f); }

__INLINE__ int sfeof(Sfio_t* f) { return __sf_eof(f); }

__INLINE__ int sferror(Sfio_t* f) { return __sf_error(f); }

__INLINE__ int sfclrerr(Sfio_t* f) { return __sf_clrerr(f); }

__INLINE__ int sfstacked(Sfio_t* f) { return __sf_stacked(f); }

__INLINE__ ssize_t sfvalue(Sfio_t* f) { return __sf_value(f); }

__INLINE__ ssize_t sfslen() { return __sf_slen(); }

__INLINE__ ssize_t sfmaxr(ssize_t n, int s) { return __sf_maxr(n,s); }

#else

#define sfputd(f,v) ( __sf_putd((f),(v)) )

#define sfputl(f,v) ( __sf_putl((f),(v)) )

#define sfputu(f,v) ( __sf_putu((f),(v)) )

#define sfputm(f,v,m) ( __sf_putm((f),(v),(m)) )

#define sfputc(f,c) ( __sf_putc((f),(c)) )

#define sfgetc(f) ( __sf_getc(f) )

#define sfdlen(v) ( __sf_dlen(v) )

#define sfllen(v) ( __sf_llen(v) )

#define sfulen(v) ( __sf_ulen(v) )

#define sffileno(f) ( __sf_fileno(f) )

#define sfeof(f) ( __sf_eof(f) )

#define sferror(f) ( __sf_error(f) )

#define sfclrerr(f) ( __sf_clrerr(f) )

#define sfstacked(f) ( __sf_stacked(f) )

#define sfvalue(f) ( __sf_value(f) )

#define sfslen() ( __sf_slen() )

#define sfmaxr(n,s) ( __sf_maxr(n,s) )

#endif /*__INLINE__*/

#ifndef _SFSTR_H /* GSF's string manipulation stuff */

#define _SFSTR_H 1

#define sfstropen() sfnew(0, 0, -1, -1, SF_READ|SF_WRITE|SF_STRING)

#define sfstrclose(f) sfclose(f)

#define sfstrseek(f,p,m) \

( (m) == SEEK_SET ? \

(((p) < 0 || (p) > (f)->_size) ? (char*)0 : \

(char*)((f)->_next = (f)->_data+(p)) ) \

: (m) == SEEK_CUR ? \

((f)->_next += (p), \

(((f)->_next < (f)->_data || (f)->_next > (f)->_data+(f)->_size) ? \

((f)->_next -= (p), (char*)0) : (char*)(f)->_next ) ) \

: (m) == SEEK_END ? \

( ((p) > 0 || (f)->_size+(p) < 0) ? (char*)0 : \

(char*)((f)->_next = (f)->_data+(f)->_size+(p)) ) \

: (char*)0 \

)

#define sfstrsize(f) ((f)->_size)

#define sfstrtell(f) ((f)->_next - (f)->_data)

#define sfstrpend(f) ((f)->_size - sfstrtell())

#define sfstrbase(f) ((char*)(f)->_data)

#define sfstruse(f) \

(sfputc((f),0) < 0 ? (char*)0 : (char*)((f)->_next = (f)->_data) \

)

#define sfstrrsrv(f,n) \

(sfreserve((f),(n),SF_WRITE|SF_LOCKR), sfwrite((f),(f)->_next,0), \

((f)->_next+(n) <= (f)->_data+(f)->_size ? (char*)(f)->_next : (char*)0) \

)

#define sfstrbuf(f,b,n,m) \

(sfsetbuf((f),(b),(n)), ((f)->_flags |= (m) ? SF_MALLOC : 0), \

((f)->_data == (unsigned char*)(b) ? 0 : -1) \

)

#endif /* _SFSTR_H */

#endif /* _SFIO_H */