};
struct _PerlIO_funcs {
- char *name;
+ Size_t fsize;
+ const char *name;
Size_t size;
- IV kind;
- IV (*Pushed) (pTHX_ PerlIO *f, const char *mode, SV *arg);
+ 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);
struct _PerlIO {
PerlIOl *next; /* Lower layer */
PerlIO_funcs *tab; /* Functions for this layer */
- IV flags; /* Various flags for state */
+ U32 flags; /* Various flags for state */
+ PerlIOl *head; /* our ultimate parent pointer */
};
/*--------------------------------------------------------------------------------------*/
#define PERLIO_F_OPEN 0x00200000
#define PERLIO_F_FASTGETS 0x00400000
#define PERLIO_F_TTY 0x00800000
+#define PERLIO_F_NOTREG 0x01000000
+#define PERLIO_F_CLEARED 0x02000000 /* layer cleared but not freed */
#define PerlIOBase(f) (*(f))
#define PerlIOSelf(f,type) ((type *)PerlIOBase(f))
#define PerlIOValid(f) ((f) && *(f))
/*--------------------------------------------------------------------------------------*/
-/* 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;
+/* Data exports - EXTCONST rather than extern is needed for Cygwin */
+#undef EXTPERLIO
+#ifdef PERLIO_FUNCS_CONST
+#define EXTPERLIO EXTCONST
+#else
+#define EXTPERLIO EXT
+#endif
+EXTPERLIO PerlIO_funcs PerlIO_unix;
+EXTPERLIO PerlIO_funcs PerlIO_perlio;
+EXTPERLIO PerlIO_funcs PerlIO_stdio;
+EXTPERLIO PerlIO_funcs PerlIO_crlf;
+EXTPERLIO PerlIO_funcs PerlIO_utf8;
+EXTPERLIO PerlIO_funcs PerlIO_byte;
+EXTPERLIO PerlIO_funcs PerlIO_raw;
+EXTPERLIO PerlIO_funcs PerlIO_pending;
#ifdef HAS_MMAP
-EXT PerlIO_funcs PerlIO_mmap;
+EXTPERLIO PerlIO_funcs PerlIO_mmap;
#endif
#ifdef WIN32
-EXT PerlIO_funcs PerlIO_win32;
+EXTPERLIO PerlIO_funcs PerlIO_win32;
#endif
-extern PerlIO *PerlIO_allocate(pTHX);
-extern SV *PerlIO_arg_fetch(PerlIO_list_t *av, IV n);
+PERL_EXPORT_C PerlIO *PerlIO_allocate(pTHX);
+PERL_EXPORT_C SV *PerlIO_arg_fetch(PerlIO_list_t *av, IV n);
#define PerlIOArg PerlIO_arg_fetch(layers,n)
#ifdef PERLIO_USING_CRLF
#endif
/*--------------------------------------------------------------------------------------*/
-/* Generic, or stub layer functions */
-
-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
As this is reasonably generic its struct and "methods" are declared here
so they can be used to "inherit" from it.
IV oneword; /* Emergency buffer */
} PerlIOBuf;
-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);
+PERL_EXPORT_C int PerlIO_apply_layera(pTHX_ PerlIO *f, const char *mode,
+ PerlIO_list_t *layers, IV n, IV max);
+PERL_EXPORT_C int PerlIO_parse_layers(pTHX_ PerlIO_list_t *av, const char *names);
+PERL_EXPORT_C PerlIO_funcs *PerlIO_layer_fetch(pTHX_ PerlIO_list_t *av, IV n, PerlIO_funcs *def);
+
+
+PERL_EXPORT_C SV *PerlIO_sv_dup(pTHX_ SV *arg, CLONE_PARAMS *param);
+PERL_EXPORT_C void PerlIO_cleantable(pTHX_ PerlIOl **tablep);
+PERL_EXPORT_C SV * PerlIO_tab_sv(pTHX_ PerlIO_funcs *tab);
+PERL_EXPORT_C void PerlIO_default_buffer(pTHX_ PerlIO_list_t *av);
+PERL_EXPORT_C void PerlIO_stdstreams(pTHX);
+PERL_EXPORT_C int PerlIO__close(pTHX_ PerlIO *f);
+PERL_EXPORT_C PerlIO_list_t * PerlIO_resolve_layers(pTHX_ const char *layers, const char *mode, int narg, SV **args);
+PERL_EXPORT_C PerlIO_funcs * PerlIO_default_layer(pTHX_ I32 n);
+PERL_EXPORT_C PerlIO_list_t * PerlIO_default_layers(pTHX);
+PERL_EXPORT_C PerlIO * PerlIO_reopen(const char *path, const char *mode, PerlIO *f);
+PERL_EXPORT_C int PerlIO_vsprintf(char *s, int n, const char *fmt, va_list ap)
+ __attribute__format__(__printf__,3,0);
+
+PERL_EXPORT_C PerlIO_list_t *PerlIO_list_alloc(pTHX);
+PERL_EXPORT_C PerlIO_list_t *PerlIO_clone_list(pTHX_ PerlIO_list_t *proto, CLONE_PARAMS *param);
+PERL_EXPORT_C void PerlIO_list_free(pTHX_ PerlIO_list_t *list);
+PERL_EXPORT_C void PerlIO_list_push(pTHX_ PerlIO_list_t *list, PerlIO_funcs *funcs, SV *arg);
+PERL_EXPORT_C void PerlIO_list_free(pTHX_ PerlIO_list_t *list);
+
+/* PerlIO_teardown doesn't need exporting, but the EXTERN_C is needed
+ * for compiling as C++. Must also match with what perl.h says. */
+EXTERN_C void PerlIO_teardown(void);
/*--------------------------------------------------------------------------------------*/
+/* Generic, or stub layer functions */
+
+PERL_EXPORT_C IV PerlIOBase_binmode(pTHX_ PerlIO *f);
+PERL_EXPORT_C void PerlIOBase_clearerr(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBase_close(pTHX_ PerlIO *f);
+PERL_EXPORT_C PerlIO * PerlIOBase_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags);
+PERL_EXPORT_C IV PerlIOBase_eof(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBase_error(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBase_fileno(pTHX_ PerlIO *f);
+PERL_EXPORT_C void PerlIOBase_flush_linebuf(pTHX);
+PERL_EXPORT_C IV PerlIOBase_noop_fail(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBase_noop_ok(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBase_popped(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBase_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+PERL_EXPORT_C PerlIO * PerlIOBase_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);
+PERL_EXPORT_C SSize_t PerlIOBase_read(pTHX_ PerlIO *f, void *vbuf, Size_t count);
+PERL_EXPORT_C void PerlIOBase_setlinebuf(pTHX_ PerlIO *f);
+PERL_EXPORT_C SSize_t PerlIOBase_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+
+/* Buf */
+PERL_EXPORT_C Size_t PerlIOBuf_bufsiz(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBuf_close(pTHX_ PerlIO *f);
+PERL_EXPORT_C PerlIO * PerlIOBuf_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags);
+PERL_EXPORT_C IV PerlIOBuf_fill(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBuf_flush(pTHX_ PerlIO *f);
+PERL_EXPORT_C STDCHAR * PerlIOBuf_get_base(pTHX_ PerlIO *f);
+PERL_EXPORT_C SSize_t PerlIOBuf_get_cnt(pTHX_ PerlIO *f);
+PERL_EXPORT_C STDCHAR * PerlIOBuf_get_ptr(pTHX_ PerlIO *f);
+PERL_EXPORT_C 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);
+PERL_EXPORT_C IV PerlIOBuf_popped(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOBuf_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+PERL_EXPORT_C SSize_t PerlIOBuf_read(pTHX_ PerlIO *f, void *vbuf, Size_t count);
+PERL_EXPORT_C IV PerlIOBuf_seek(pTHX_ PerlIO *f, Off_t offset, int whence);
+PERL_EXPORT_C void PerlIOBuf_set_ptrcnt(pTHX_ PerlIO *f, STDCHAR * ptr, SSize_t cnt);
+PERL_EXPORT_C Off_t PerlIOBuf_tell(pTHX_ PerlIO *f);
+PERL_EXPORT_C SSize_t PerlIOBuf_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+PERL_EXPORT_C SSize_t PerlIOBuf_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+
+/* Crlf */
+PERL_EXPORT_C IV PerlIOCrlf_binmode(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOCrlf_flush(pTHX_ PerlIO *f);
+PERL_EXPORT_C SSize_t PerlIOCrlf_get_cnt(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOCrlf_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+PERL_EXPORT_C void PerlIOCrlf_set_ptrcnt(pTHX_ PerlIO *f, STDCHAR * ptr, SSize_t cnt);
+PERL_EXPORT_C SSize_t PerlIOCrlf_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+PERL_EXPORT_C SSize_t PerlIOCrlf_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+PERL_EXPORT_C SSize_t PerlIOCrlf_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+
+/* Mmap */
+PERL_EXPORT_C IV PerlIOMmap_close(pTHX_ PerlIO *f);
+PERL_EXPORT_C PerlIO * PerlIOMmap_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags);
+PERL_EXPORT_C IV PerlIOMmap_fill(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOMmap_flush(pTHX_ PerlIO *f);
+PERL_EXPORT_C STDCHAR * PerlIOMmap_get_base(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOMmap_map(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOMmap_unmap(pTHX_ PerlIO *f);
+PERL_EXPORT_C SSize_t PerlIOMmap_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+PERL_EXPORT_C SSize_t PerlIOMmap_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+
+/* Pending */
+PERL_EXPORT_C IV PerlIOPending_close(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOPending_fill(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOPending_flush(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOPending_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+PERL_EXPORT_C SSize_t PerlIOPending_read(pTHX_ PerlIO *f, void *vbuf, Size_t count);
+PERL_EXPORT_C IV PerlIOPending_seek(pTHX_ PerlIO *f, Off_t offset, int whence);
+PERL_EXPORT_C void PerlIOPending_set_ptrcnt(pTHX_ PerlIO *f, STDCHAR * ptr, SSize_t cnt);
+
+/* Pop */
+PERL_EXPORT_C IV PerlIOPop_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+
+/* Raw */
+PERL_EXPORT_C IV PerlIORaw_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+
+/* Stdio */
+PERL_EXPORT_C void PerlIOStdio_clearerr(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOStdio_close(pTHX_ PerlIO *f);
+PERL_EXPORT_C PerlIO * PerlIOStdio_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags);
+PERL_EXPORT_C IV PerlIOStdio_eof(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOStdio_error(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOStdio_fileno(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOStdio_fill(pTHX_ PerlIO *f);
+PERL_EXPORT_C IV PerlIOStdio_flush(pTHX_ PerlIO *f);
+PERL_EXPORT_C STDCHAR * PerlIOStdio_get_base(pTHX_ PerlIO *f);
+PERL_EXPORT_C char * PerlIOStdio_mode(const char *mode, char *tmode);
+PERL_EXPORT_C PerlIO * PerlIOStdio_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const char *mode, int fd, int imode, int perm, PerlIO *f, int narg, SV **args);
+PERL_EXPORT_C IV PerlIOStdio_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+PERL_EXPORT_C SSize_t PerlIOStdio_read(pTHX_ PerlIO *f, void *vbuf, Size_t count);
+PERL_EXPORT_C IV PerlIOStdio_seek(pTHX_ PerlIO *f, Off_t offset, int whence);
+PERL_EXPORT_C void PerlIOStdio_setlinebuf(pTHX_ PerlIO *f);
+PERL_EXPORT_C Off_t PerlIOStdio_tell(pTHX_ PerlIO *f);
+PERL_EXPORT_C SSize_t PerlIOStdio_unread(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+PERL_EXPORT_C SSize_t PerlIOStdio_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+
+/* Unix */
+PERL_EXPORT_C IV PerlIOUnix_close(pTHX_ PerlIO *f);
+PERL_EXPORT_C PerlIO * PerlIOUnix_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param, int flags);
+PERL_EXPORT_C IV PerlIOUnix_fileno(pTHX_ PerlIO *f);
+PERL_EXPORT_C int PerlIOUnix_oflags(const char *mode);
+PERL_EXPORT_C PerlIO * PerlIOUnix_open(pTHX_ PerlIO_funcs *self, PerlIO_list_t *layers, IV n, const char *mode, int fd, int imode, int perm, PerlIO *f, int narg, SV **args);
+PERL_EXPORT_C IV PerlIOUnix_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
+PERL_EXPORT_C SSize_t PerlIOUnix_read(pTHX_ PerlIO *f, void *vbuf, Size_t count);
+PERL_EXPORT_C int PerlIOUnix_refcnt_dec(int fd);
+PERL_EXPORT_C void PerlIOUnix_refcnt_inc(int fd);
+PERL_EXPORT_C int PerlIOUnix_refcnt(int fd);
+PERL_EXPORT_C IV PerlIOUnix_seek(pTHX_ PerlIO *f, Off_t offset, int whence);
+PERL_EXPORT_C Off_t PerlIOUnix_tell(pTHX_ PerlIO *f);
+PERL_EXPORT_C SSize_t PerlIOUnix_write(pTHX_ PerlIO *f, const void *vbuf, Size_t count);
+
+/* Utf8 */
+PERL_EXPORT_C IV PerlIOUtf8_pushed(pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab);
#endif /* _PERLIOL_H */
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */
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