X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=perliol.h;h=2a681c005939f335373b667517117ef863305443;hb=758f564b3fb5c63b84ce2ab3dd6edc68d23923b7;hp=3d9c0e6f00fde94535471bc019c90a5edf5da615;hpb=f5b9d040829bb5deb93173e35ee6c82ce0a01c37;p=p5sagit%2Fp5-mst-13.2.git diff --git a/perliol.h b/perliol.h index 3d9c0e6..2a681c0 100644 --- a/perliol.h +++ b/perliol.h @@ -1,88 +1,117 @@ #ifndef _PERLIOL_H #define _PERLIOL_H -struct _PerlIO_funcs -{ - char * name; - Size_t size; - IV kind; - IV (*Fileno)(PerlIO *f); - PerlIO * (*Fdopen)(PerlIO_funcs *tab, int fd, const char *mode); - PerlIO * (*Open)(PerlIO_funcs *tab, const char *path, const char *mode); - int (*Reopen)(const char *path, const char *mode, PerlIO *f); - IV (*Pushed)(PerlIO *f,const char *mode); - 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) (PerlIO *f, const char *mode, SV *arg); + IV (*Popped) (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) (PerlIO *f); + PerlIO *(*Dup) (pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags); + /* 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); }; /*--------------------------------------------------------------------------------------*/ /* Kind values */ -#define PERLIO_K_RAW 0x00000001 -#define PERLIO_K_BUFFERED 0x00000002 +#define PERLIO_K_RAW 0x00000001 +#define PERLIO_K_BUFFERED 0x00000002 #define PERLIO_K_CANCRLF 0x00000004 +#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 */ }; /*--------------------------------------------------------------------------------------*/ /* Flag values */ -#define PERLIO_F_EOF 0x00010000 -#define PERLIO_F_CANWRITE 0x00020000 -#define PERLIO_F_CANREAD 0x00040000 -#define PERLIO_F_ERROR 0x00080000 -#define PERLIO_F_TRUNCATE 0x00100000 -#define PERLIO_F_APPEND 0x00200000 -#define PERLIO_F_CRLF 0x00400000 -#define PERLIO_F_UTF8 0x00800000 -#define PERLIO_F_UNBUF 0x01000000 -#define PERLIO_F_WRBUF 0x02000000 -#define PERLIO_F_RDBUF 0x04000000 -#define PERLIO_F_LINEBUF 0x08000000 -#define PERLIO_F_TEMP 0x10000000 -#define PERLIO_F_OPEN 0x20000000 +#define PERLIO_F_EOF 0x00000100 +#define PERLIO_F_CANWRITE 0x00000200 +#define PERLIO_F_CANREAD 0x00000400 +#define PERLIO_F_ERROR 0x00000800 +#define PERLIO_F_TRUNCATE 0x00001000 +#define PERLIO_F_APPEND 0x00002000 +#define PERLIO_F_CRLF 0x00004000 +#define PERLIO_F_UTF8 0x00008000 +#define PERLIO_F_UNBUF 0x00010000 +#define PERLIO_F_WRBUF 0x00020000 +#define PERLIO_F_RDBUF 0x00040000 +#define PERLIO_F_LINEBUF 0x00080000 +#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)) /*--------------------------------------------------------------------------------------*/ - -extern PerlIO_funcs PerlIO_unix; -extern PerlIO_funcs PerlIO_perlio; -extern PerlIO_funcs PerlIO_stdio; -extern PerlIO_funcs PerlIO_crlf; +/* Data exports - EXT rather than extern is needed for Cygwin */ +EXT PerlIO_funcs PerlIO_unix; +EXT PerlIO_funcs PerlIO_perlio; +EXT PerlIO_funcs PerlIO_stdio; +EXT PerlIO_funcs PerlIO_crlf; +EXT PerlIO_funcs PerlIO_utf8; +EXT PerlIO_funcs PerlIO_byte; +EXT PerlIO_funcs PerlIO_raw; +EXT PerlIO_funcs PerlIO_pending; #ifdef HAS_MMAP -extern PerlIO_funcs PerlIO_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) -extern PerlIO *PerlIO_allocate(void); - -#if O_BINARY != O_TEXT +#ifdef PERLIO_USING_CRLF #define PERLIO_STDTEXT "t" #else #define PERLIO_STDTEXT "" @@ -91,20 +120,22 @@ extern PerlIO *PerlIO_allocate(void); /*--------------------------------------------------------------------------------------*/ /* Generic, or stub layer functions */ -extern IV PerlIOBase_fileno (PerlIO *f); -extern IV PerlIOBase_pushed (PerlIO *f, const char *mode); -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(PerlIO *f); +extern PerlIO *PerlIOBase_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags); +extern IV PerlIOBase_pushed(PerlIO *f, const char *mode, SV *arg); +extern IV PerlIOBase_popped(PerlIO *f); +extern SSize_t PerlIOBase_read(PerlIO *f, void *vbuf, Size_t count); +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_close(PerlIO *f); +extern void PerlIOBase_setlinebuf(PerlIO *f); +extern void PerlIOBase_flush_linebuf(void); + +extern IV PerlIOBase_noop_ok(PerlIO *f); +extern IV PerlIOBase_noop_fail(PerlIO *f); /*--------------------------------------------------------------------------------------*/ /* perlio buffer layer @@ -112,35 +143,39 @@ 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_fdopen (PerlIO_funcs *self, int fd, const char *mode); -extern PerlIO * PerlIOBuf_open (PerlIO_funcs *self, const char *path, const char *mode); -extern int PerlIOBuf_reopen (const char *path, const char *mode, PerlIO *f); -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(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(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 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 int PerlIOUnix_oflags(const char *mode); /*--------------------------------------------------------------------------------------*/ -#endif /* _PERLIOL_H */ +#endif /* _PERLIOL_H */