X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/ee518936bd3eee0065c20591f5182f733dadd4bd..f2791508ba1ad17a1652fe09ecc58a5c83cae5d7:/perliol.h diff --git a/perliol.h b/perliol.h index d97df31..331cb95 100644 --- a/perliol.h +++ b/perliol.h @@ -1,35 +1,52 @@ #ifndef _PERLIOL_H #define _PERLIOL_H -struct _PerlIO_funcs -{ - char * name; - Size_t size; - IV kind; - IV (*Fileno)(PerlIO *f); - PerlIO * (*Open)(pTHX_ PerlIO_funcs *tab, const char *mode, int fd, int imode, int perm, PerlIO *old, int narg, SV **args); - IV (*Pushed)(PerlIO *f,const char *mode,const char *arg,STRLEN len); - IV (*Popped)(PerlIO *f); - /* Unix-like functions - cf sfio line disciplines */ - SSize_t (*Read)(PerlIO *f, void *vbuf, Size_t count); - SSize_t (*Unread)(PerlIO *f, const void *vbuf, Size_t count); - SSize_t (*Write)(PerlIO *f, const void *vbuf, Size_t count); - IV (*Seek)(PerlIO *f, Off_t offset, int whence); - Off_t (*Tell)(PerlIO *f); - IV (*Close)(PerlIO *f); - /* Stdio-like buffered IO functions */ - IV (*Flush)(PerlIO *f); - IV (*Fill)(PerlIO *f); - IV (*Eof)(PerlIO *f); - IV (*Error)(PerlIO *f); - void (*Clearerr)(PerlIO *f); - void (*Setlinebuf)(PerlIO *f); - /* Perl's snooping functions */ - STDCHAR * (*Get_base)(PerlIO *f); - Size_t (*Get_bufsiz)(PerlIO *f); - STDCHAR * (*Get_ptr)(PerlIO *f); - SSize_t (*Get_cnt)(PerlIO *f); - void (*Set_ptrcnt)(PerlIO *f,STDCHAR *ptr,SSize_t cnt); +typedef struct { + PerlIO_funcs *funcs; + SV *arg; +} PerlIO_pair_t; + +struct PerlIO_list_s { + IV refcnt; + IV cur; + IV len; + PerlIO_pair_t *array; +}; + +struct _PerlIO_funcs { + char *name; + Size_t size; + IV kind; + IV (*Pushed) (pTHX_ PerlIO *f, const char *mode, SV *arg); + IV (*Popped) (pTHX_ PerlIO *f); + PerlIO *(*Open) (pTHX_ PerlIO_funcs *tab, + PerlIO_list_t *layers, IV n, + const char *mode, + int fd, int imode, int perm, + PerlIO *old, int narg, SV **args); + SV *(*Getarg) (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags); + IV (*Fileno) (pTHX_ PerlIO *f); + PerlIO *(*Dup) (pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags); + /* Unix-like functions - cf sfio line disciplines */ + SSize_t(*Read) (pTHX_ PerlIO *f, void *vbuf, Size_t count); + SSize_t(*Unread) (pTHX_ PerlIO *f, const void *vbuf, Size_t count); + SSize_t(*Write) (pTHX_ PerlIO *f, const void *vbuf, Size_t count); + IV (*Seek) (pTHX_ PerlIO *f, Off_t offset, int whence); + Off_t(*Tell) (pTHX_ PerlIO *f); + IV (*Close) (pTHX_ PerlIO *f); + /* Stdio-like buffered IO functions */ + IV (*Flush) (pTHX_ PerlIO *f); + IV (*Fill) (pTHX_ PerlIO *f); + IV (*Eof) (pTHX_ PerlIO *f); + IV (*Error) (pTHX_ PerlIO *f); + void (*Clearerr) (pTHX_ PerlIO *f); + void (*Setlinebuf) (pTHX_ PerlIO *f); + /* Perl's snooping functions */ + STDCHAR *(*Get_base) (pTHX_ PerlIO *f); + Size_t(*Get_bufsiz) (pTHX_ PerlIO *f); + STDCHAR *(*Get_ptr) (pTHX_ PerlIO *f); + SSize_t(*Get_cnt) (pTHX_ PerlIO *f); + void (*Set_ptrcnt) (pTHX_ PerlIO *f, STDCHAR * ptr, SSize_t cnt); }; /*--------------------------------------------------------------------------------------*/ @@ -40,13 +57,14 @@ struct _PerlIO_funcs #define PERLIO_K_FASTGETS 0x00000008 #define PERLIO_K_DUMMY 0x00000010 #define PERLIO_K_UTF8 0x00008000 +#define PERLIO_K_DESTRUCT 0x00010000 +#define PERLIO_K_MULTIARG 0x00020000 /*--------------------------------------------------------------------------------------*/ -struct _PerlIO -{ - PerlIOl * next; /* Lower layer */ - PerlIO_funcs * tab; /* Functions for this layer */ - IV flags; /* Various flags for state */ +struct _PerlIO { + PerlIOl *next; /* Lower layer */ + PerlIO_funcs *tab; /* Functions for this layer */ + IV flags; /* Various flags for state */ }; /*--------------------------------------------------------------------------------------*/ @@ -67,10 +85,12 @@ struct _PerlIO #define PERLIO_F_TEMP 0x00100000 #define PERLIO_F_OPEN 0x00200000 #define PERLIO_F_FASTGETS 0x00400000 +#define PERLIO_F_TTY 0x00800000 #define PerlIOBase(f) (*(f)) #define PerlIOSelf(f,type) ((type *)PerlIOBase(f)) #define PerlIONext(f) (&(PerlIOBase(f)->next)) +#define PerlIOValid(f) ((f) && *(f)) /*--------------------------------------------------------------------------------------*/ /* Data exports - EXT rather than extern is needed for Cygwin */ @@ -85,10 +105,14 @@ EXT PerlIO_funcs PerlIO_pending; #ifdef HAS_MMAP EXT PerlIO_funcs PerlIO_mmap; #endif - +#ifdef WIN32 +EXT PerlIO_funcs PerlIO_win32; +#endif extern PerlIO *PerlIO_allocate(pTHX); +extern SV *PerlIO_arg_fetch(PerlIO_list_t *av, IV n); +#define PerlIOArg PerlIO_arg_fetch(layers,n) -#if O_BINARY != O_TEXT +#ifdef PERLIO_USING_CRLF #define PERLIO_STDTEXT "t" #else #define PERLIO_STDTEXT "" @@ -97,20 +121,22 @@ extern PerlIO *PerlIO_allocate(pTHX); /*--------------------------------------------------------------------------------------*/ /* Generic, or stub layer functions */ -extern IV PerlIOBase_fileno (PerlIO *f); -extern IV PerlIOBase_pushed (PerlIO *f, const char *mode,const char *arg,STRLEN len); -extern IV PerlIOBase_popped (PerlIO *f); -extern SSize_t PerlIOBase_unread (PerlIO *f, const void *vbuf, Size_t count); -extern IV PerlIOBase_eof (PerlIO *f); -extern IV PerlIOBase_error (PerlIO *f); -extern void PerlIOBase_clearerr (PerlIO *f); -extern IV PerlIOBase_flush (PerlIO *f); -extern IV PerlIOBase_fill (PerlIO *f); -extern IV PerlIOBase_close (PerlIO *f); -extern void PerlIOBase_setlinebuf(PerlIO *f); - -extern IV PerlIOBase_noop_ok (PerlIO *f); -extern IV PerlIOBase_noop_fail (PerlIO *f); +extern IV PerlIOBase_fileno(pTHX_ PerlIO *f); +extern PerlIO *PerlIOBase_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags); +extern IV PerlIOBase_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg); +extern IV PerlIOBase_popped(pTHX_ PerlIO *f); +extern SSize_t PerlIOBase_read(pTHX_ PerlIO *f, void *vbuf, Size_t count); +extern SSize_t PerlIOBase_unread(pTHX_ PerlIO *f, const void *vbuf, + Size_t count); +extern IV PerlIOBase_eof(pTHX_ PerlIO *f); +extern IV PerlIOBase_error(pTHX_ PerlIO *f); +extern void PerlIOBase_clearerr(pTHX_ PerlIO *f); +extern IV PerlIOBase_close(pTHX_ PerlIO *f); +extern void PerlIOBase_setlinebuf(pTHX_ PerlIO *f); +extern void PerlIOBase_flush_linebuf(pTHX); + +extern IV PerlIOBase_noop_ok(pTHX_ PerlIO *f); +extern IV PerlIOBase_noop_fail(pTHX_ PerlIO *f); /*--------------------------------------------------------------------------------------*/ /* perlio buffer layer @@ -118,33 +144,39 @@ extern IV PerlIOBase_noop_fail (PerlIO *f); so they can be used to "inherit" from it. */ -typedef struct -{ - struct _PerlIO base; /* Base "class" info */ - STDCHAR * buf; /* Start of buffer */ - STDCHAR * end; /* End of valid part of buffer */ - STDCHAR * ptr; /* Current position in buffer */ - Off_t posn; /* Offset of buf into the file */ - Size_t bufsiz; /* Real size of buffer */ - IV oneword; /* Emergency buffer */ +typedef struct { + struct _PerlIO base; /* Base "class" info */ + STDCHAR *buf; /* Start of buffer */ + STDCHAR *end; /* End of valid part of buffer */ + STDCHAR *ptr; /* Current position in buffer */ + Off_t posn; /* Offset of buf into the file */ + Size_t bufsiz; /* Real size of buffer */ + IV oneword; /* Emergency buffer */ } PerlIOBuf; -extern PerlIO * PerlIOBuf_open (pTHX_ PerlIO_funcs *self, const char *mode, int fd, int imode, int perm, PerlIO *old, int narg, SV **args); -extern SSize_t PerlIOBuf_read (PerlIO *f, void *vbuf, Size_t count); -extern SSize_t PerlIOBuf_unread (PerlIO *f, const void *vbuf, Size_t count); -extern SSize_t PerlIOBuf_write (PerlIO *f, const void *vbuf, Size_t count); -extern IV PerlIOBuf_seek (PerlIO *f, Off_t offset, int whence); -extern Off_t PerlIOBuf_tell (PerlIO *f); -extern IV PerlIOBuf_close (PerlIO *f); -extern IV PerlIOBuf_flush (PerlIO *f); -extern IV PerlIOBuf_fill (PerlIO *f); -extern void PerlIOBuf_setlinebuf (PerlIO *f); -extern STDCHAR *PerlIOBuf_get_base (PerlIO *f); -extern Size_t PerlIOBuf_bufsiz (PerlIO *f); -extern STDCHAR *PerlIOBuf_get_ptr (PerlIO *f); -extern SSize_t PerlIOBuf_get_cnt (PerlIO *f); -extern void PerlIOBuf_set_ptrcnt (PerlIO *f, STDCHAR *ptr, SSize_t cnt); +extern SV *PerlIO_sv_dup(pTHX_ SV *arg, CLONE_PARAMS *param); +extern PerlIO *PerlIOBuf_open(pTHX_ PerlIO_funcs *self, + PerlIO_list_t *layers, IV n, + const char *mode, int fd, int imode, + int perm, PerlIO *old, int narg, SV **args); +extern IV PerlIOBuf_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg); +extern PerlIO *PerlIOBuf_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags); +extern SSize_t PerlIOBuf_read(pTHX_ PerlIO *f, void *vbuf, Size_t count); +extern SSize_t PerlIOBuf_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count); +extern SSize_t PerlIOBuf_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count); +extern IV PerlIOBuf_seek(pTHX_ PerlIO *f, Off_t offset, int whence); +extern Off_t PerlIOBuf_tell(pTHX_ PerlIO *f); +extern IV PerlIOBuf_close(pTHX_ PerlIO *f); +extern IV PerlIOBuf_flush(pTHX_ PerlIO *f); +extern IV PerlIOBuf_fill(pTHX_ PerlIO *f); +extern STDCHAR *PerlIOBuf_get_base(pTHX_ PerlIO *f); +extern Size_t PerlIOBuf_bufsiz(pTHX_ PerlIO *f); +extern STDCHAR *PerlIOBuf_get_ptr(pTHX_ PerlIO *f); +extern SSize_t PerlIOBuf_get_cnt(pTHX_ PerlIO *f); +extern void PerlIOBuf_set_ptrcnt(pTHX_ PerlIO *f, STDCHAR * ptr, SSize_t cnt); + +extern int PerlIOUnix_oflags(const char *mode); /*--------------------------------------------------------------------------------------*/ -#endif /* _PERLIOL_H */ +#endif /* _PERLIOL_H */