#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 {
+ Size_t fsize;
+ const char *name;
+ Size_t size;
+ U32 kind;
+ IV (*Pushed) (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+ 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);
+ IV (*Binmode)(pTHX_ PerlIO *f);
+ 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);
};
/*--------------------------------------------------------------------------------------*/
#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 */
+ U32 flags; /* Various flags for state */
};
/*--------------------------------------------------------------------------------------*/
#define PERLIO_F_TEMP 0x00100000
#define PERLIO_F_OPEN 0x00200000
#define PERLIO_F_FASTGETS 0x00400000
+#define PERLIO_F_TTY 0x00800000
+#define PERLIO_F_NOTREG 0x01000000
#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 */
#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 ""
/*--------------------------------------------------------------------------------------*/
/* 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, PerlIO_funcs *tab);
+extern IV PerlIOBase_popped(pTHX_ PerlIO *f);
+extern IV PerlIOBase_binmode(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
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 int PerlIO_apply_layera(pTHX_ PerlIO *f, const char *mode,
+ PerlIO_list_t *layers, IV n, IV max);
+extern int PerlIO_parse_layers(pTHX_ PerlIO_list_t *av, const char *names);
+extern void PerlIO_list_free(pTHX_ PerlIO_list_t *list);
+extern PerlIO_funcs *PerlIO_layer_fetch(pTHX_ PerlIO_list_t *av, IV n, PerlIO_funcs *def);
+
+
+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, PerlIO_funcs *tab);
+extern IV PerlIOBuf_popped(pTHX_ PerlIO *f);
+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 */