/* perlio.h
*
- * Copyright (c) 1997-2002, Larry Wall
+ * Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003,
+ * 2004, 2005, 2006, 2007, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#define _PERLIO_H
/*
Interface for perl to IO functions.
- There is a hierachy of Configure determined #define controls:
+ There is a hierarchy of Configure determined #define controls:
USE_STDIO - forces PerlIO_xxx() to be #define-d onto stdio functions.
- This is used for x2p subdirectory and for conservative
+ This is used for conservative
builds - "just like perl5.00X used to be".
This dominates over the others.
USE_PERLIO - The primary Configure variable that enables PerlIO.
If USE_PERLIO is _NOT_ set
then USE_STDIO above will be set to be conservative.
- If USE_PERLIO is set
- then there are two modes determined by USE_SFIO:
-
- USE_SFIO - If set causes PerlIO_xxx() to be #define-d onto sfio functions.
- A backward compatability mode for some specialist applications.
-
- If USE_SFIO is not set then PerlIO_xxx() are real functions
+ PerlIO_xxx() are real functions
defined in perlio.c which implement extra functionality
required for utf8 support.
*/
#include <stdio.h>
-#ifdef __BEOS__
-int fseeko(FILE *stream, off_t offset, int whence);
-off_t ftello(FILE *stream);
-#endif
-
#if defined(USE_64_BIT_STDIO) && defined(HAS_FTELLO) && !defined(USE_FTELL64)
#define ftell ftello
#endif
#ifdef PERLIO_IS_STDIO
/* #define PerlIO_xxxx() as equivalent stdio function */
#include "perlsdio.h"
-#else /* PERLIO_IS_STDIO */
-#ifdef USE_SFIO
-/* #define PerlIO_xxxx() as equivalent sfio function */
-#include "perlsfio.h"
-#endif /* USE_SFIO */
#endif /* PERLIO_IS_STDIO */
#ifndef PerlIO
#define PerlIO PerlIO
#define PERLIO_LAYERS 1
-extern void PerlIO_define_layer(pTHX_ PerlIO_funcs *tab);
-extern PerlIO_funcs *PerlIO_find_layer(pTHX_ const char *name, STRLEN len,
- int load);
-extern PerlIO *PerlIO_push(pTHX_ PerlIO *f, PerlIO_funcs *tab,
- const char *mode, SV *arg);
-extern void PerlIO_pop(pTHX_ PerlIO *f);
-extern void PerlIO_clone(pTHX_ PerlInterpreter *proto, CLONE_PARAMS *param);
+/* PERLIO_FUNCS_CONST is now on by default for efficiency, PERLIO_FUNCS_CONST
+ can be removed 1 day once stable & then PerlIO vtables are permanently RO */
+#ifdef PERLIO_FUNCS_CONST
+#define PERLIO_FUNCS_DECL(funcs) const PerlIO_funcs funcs
+#define PERLIO_FUNCS_CAST(funcs) (PerlIO_funcs*)(funcs)
+#else
+#define PERLIO_FUNCS_DECL(funcs) PerlIO_funcs funcs
+#define PERLIO_FUNCS_CAST(funcs) (funcs)
+#endif
+
+PERL_CALLCONV void PerlIO_define_layer(pTHX_ PerlIO_funcs *tab);
+PERL_CALLCONV PerlIO_funcs *PerlIO_find_layer(pTHX_ const char *name,
+ STRLEN len,
+ int load);
+PERL_CALLCONV PerlIO *PerlIO_push(pTHX_ PerlIO *f, PERLIO_FUNCS_DECL(*tab),
+ const char *mode, SV *arg);
+PERL_CALLCONV void PerlIO_pop(pTHX_ PerlIO *f);
+PERL_CALLCONV AV* PerlIO_get_layers(pTHX_ PerlIO *f);
+PERL_CALLCONV void PerlIO_clone(pTHX_ PerlInterpreter *proto,
+ CLONE_PARAMS *param);
#endif /* PerlIO */
* can set how it wants.
*/
-#ifdef PERL_CORE
+# ifdef PERL_CORE
/* Make a choice for perl core code
- currently this is set to try and catch lingering raw stdio calls.
This is a known issue with some non UNIX ports which still use
"native" stdio features.
*/
-#ifndef PERLIO_NOT_STDIO
-#define PERLIO_NOT_STDIO 1
-#endif
-#else
-#ifndef PERLIO_NOT_STDIO
-#define PERLIO_NOT_STDIO 0
-#endif
+# ifndef PERLIO_NOT_STDIO
+# define PERLIO_NOT_STDIO 1
+# endif
+ #else
+# ifndef PERLIO_NOT_STDIO
+# define PERLIO_NOT_STDIO 0
+# endif
#endif
#ifdef PERLIO_NOT_STDIO
#endif /* ifndef PERLIO_NOT_STDIO */
#endif /* PERLIO_IS_STDIO */
-#define specialCopIO(sv) ((sv) == Nullsv)
-
/* ----------- fill in things that have not got #define'd ---------- */
#ifndef Fpos_t
#define BUFSIZ 1024
#endif
+/* The default buffer size for the perlio buffering layer */
+#ifndef PERLIOBUF_DEFAULT_BUFSIZ
+#define PERLIOBUF_DEFAULT_BUFSIZ (BUFSIZ > 8192 ? BUFSIZ : 8192)
+#endif
+
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
/* --------------------- Now prototypes for functions --------------- */
START_EXTERN_C
-#ifndef NEXT30_NO_ATTRIBUTE
-#ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
-#ifdef __attribute__ /* Avoid possible redefinition errors */
-#undef __attribute__
-#endif
-#define __attribute__(attr)
-#endif
+#ifndef __attribute__format__
+# ifdef HASATTRIBUTE_FORMAT
+# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
+# else
+# define __attribute__format__(x,y,z)
+# endif
#endif
#ifndef PerlIO_init
-extern void PerlIO_init(pTHX);
+PERL_CALLCONV void PerlIO_init(pTHX);
#endif
#ifndef PerlIO_stdoutf
-extern int PerlIO_stdoutf(const char *, ...)
- __attribute__ ((__format__(__printf__, 1, 2)));
+PERL_CALLCONV int PerlIO_stdoutf(const char *, ...)
+ __attribute__format__(__printf__, 1, 2);
#endif
#ifndef PerlIO_puts
-extern int PerlIO_puts(PerlIO *, const char *);
+PERL_CALLCONV int PerlIO_puts(PerlIO *, const char *);
#endif
#ifndef PerlIO_open
-extern PerlIO *PerlIO_open(const char *, const char *);
+PERL_CALLCONV PerlIO *PerlIO_open(const char *, const char *);
#endif
#ifndef PerlIO_openn
-extern PerlIO *PerlIO_openn(pTHX_ const char *layers, const char *mode,
- int fd, int imode, int perm, PerlIO *old,
- int narg, SV **arg);
+PERL_CALLCONV PerlIO *PerlIO_openn(pTHX_ const char *layers, const char *mode,
+ int fd, int imode, int perm, PerlIO *old,
+ int narg, SV **arg);
#endif
#ifndef PerlIO_eof
-extern int PerlIO_eof(PerlIO *);
+PERL_CALLCONV int PerlIO_eof(PerlIO *);
#endif
#ifndef PerlIO_error
-extern int PerlIO_error(PerlIO *);
+PERL_CALLCONV int PerlIO_error(PerlIO *);
#endif
#ifndef PerlIO_clearerr
-extern void PerlIO_clearerr(PerlIO *);
+PERL_CALLCONV void PerlIO_clearerr(PerlIO *);
#endif
#ifndef PerlIO_getc
-extern int PerlIO_getc(PerlIO *);
+PERL_CALLCONV int PerlIO_getc(PerlIO *);
#endif
#ifndef PerlIO_putc
-extern int PerlIO_putc(PerlIO *, int);
+PERL_CALLCONV int PerlIO_putc(PerlIO *, int);
#endif
#ifndef PerlIO_ungetc
-extern int PerlIO_ungetc(PerlIO *, int);
+PERL_CALLCONV int PerlIO_ungetc(PerlIO *, int);
#endif
#ifndef PerlIO_fdopen
-extern PerlIO *PerlIO_fdopen(int, const char *);
+PERL_CALLCONV PerlIO *PerlIO_fdopen(int, const char *);
#endif
#ifndef PerlIO_importFILE
-extern PerlIO *PerlIO_importFILE(FILE *, const char *);
+PERL_CALLCONV PerlIO *PerlIO_importFILE(FILE *, const char *);
#endif
#ifndef PerlIO_exportFILE
-extern FILE *PerlIO_exportFILE(PerlIO *, const char *);
+PERL_CALLCONV FILE *PerlIO_exportFILE(PerlIO *, const char *);
#endif
#ifndef PerlIO_findFILE
-extern FILE *PerlIO_findFILE(PerlIO *);
+PERL_CALLCONV FILE *PerlIO_findFILE(PerlIO *);
#endif
#ifndef PerlIO_releaseFILE
-extern void PerlIO_releaseFILE(PerlIO *, FILE *);
+PERL_CALLCONV void PerlIO_releaseFILE(PerlIO *, FILE *);
#endif
#ifndef PerlIO_read
-extern SSize_t PerlIO_read(PerlIO *, void *, Size_t);
+PERL_CALLCONV SSize_t PerlIO_read(PerlIO *, void *, Size_t);
#endif
#ifndef PerlIO_unread
-extern SSize_t PerlIO_unread(PerlIO *, const void *, Size_t);
+PERL_CALLCONV SSize_t PerlIO_unread(PerlIO *, const void *, Size_t);
#endif
#ifndef PerlIO_write
-extern SSize_t PerlIO_write(PerlIO *, const void *, Size_t);
+PERL_CALLCONV SSize_t PerlIO_write(PerlIO *, const void *, Size_t);
#endif
#ifndef PerlIO_setlinebuf
-extern void PerlIO_setlinebuf(PerlIO *);
+PERL_CALLCONV void PerlIO_setlinebuf(PerlIO *);
#endif
#ifndef PerlIO_printf
-extern int PerlIO_printf(PerlIO *, const char *, ...)
- __attribute__ ((__format__(__printf__, 2, 3)));
-#endif
-#ifndef PerlIO_sprintf
-extern int PerlIO_sprintf(char *, int, const char *, ...)
- __attribute__ ((__format__(__printf__, 3, 4)));
+PERL_CALLCONV int PerlIO_printf(PerlIO *, const char *, ...)
+ __attribute__format__(__printf__, 2, 3);
#endif
#ifndef PerlIO_vprintf
-extern int PerlIO_vprintf(PerlIO *, const char *, va_list);
+PERL_CALLCONV int PerlIO_vprintf(PerlIO *, const char *, va_list);
#endif
#ifndef PerlIO_tell
-extern Off_t PerlIO_tell(PerlIO *);
+PERL_CALLCONV Off_t PerlIO_tell(PerlIO *);
#endif
#ifndef PerlIO_seek
-extern int PerlIO_seek(PerlIO *, Off_t, int);
+PERL_CALLCONV int PerlIO_seek(PerlIO *, Off_t, int);
#endif
#ifndef PerlIO_rewind
-extern void PerlIO_rewind(PerlIO *);
+PERL_CALLCONV void PerlIO_rewind(PerlIO *);
#endif
#ifndef PerlIO_has_base
-extern int PerlIO_has_base(PerlIO *);
+PERL_CALLCONV int PerlIO_has_base(PerlIO *);
#endif
#ifndef PerlIO_has_cntptr
-extern int PerlIO_has_cntptr(PerlIO *);
+PERL_CALLCONV int PerlIO_has_cntptr(PerlIO *);
#endif
#ifndef PerlIO_fast_gets
-extern int PerlIO_fast_gets(PerlIO *);
+PERL_CALLCONV int PerlIO_fast_gets(PerlIO *);
#endif
#ifndef PerlIO_canset_cnt
-extern int PerlIO_canset_cnt(PerlIO *);
+PERL_CALLCONV int PerlIO_canset_cnt(PerlIO *);
#endif
#ifndef PerlIO_get_ptr
-extern STDCHAR *PerlIO_get_ptr(PerlIO *);
+PERL_CALLCONV STDCHAR *PerlIO_get_ptr(PerlIO *);
#endif
#ifndef PerlIO_get_cnt
-extern int PerlIO_get_cnt(PerlIO *);
+PERL_CALLCONV SSize_t PerlIO_get_cnt(PerlIO *);
#endif
#ifndef PerlIO_set_cnt
-extern void PerlIO_set_cnt(PerlIO *, int);
+PERL_CALLCONV void PerlIO_set_cnt(PerlIO *, SSize_t);
#endif
#ifndef PerlIO_set_ptrcnt
-extern void PerlIO_set_ptrcnt(PerlIO *, STDCHAR *, int);
+PERL_CALLCONV void PerlIO_set_ptrcnt(PerlIO *, STDCHAR *, SSize_t);
#endif
#ifndef PerlIO_get_base
-extern STDCHAR *PerlIO_get_base(PerlIO *);
+PERL_CALLCONV STDCHAR *PerlIO_get_base(PerlIO *);
#endif
#ifndef PerlIO_get_bufsiz
-extern int PerlIO_get_bufsiz(PerlIO *);
+PERL_CALLCONV SSize_t PerlIO_get_bufsiz(PerlIO *);
#endif
#ifndef PerlIO_tmpfile
-extern PerlIO *PerlIO_tmpfile(void);
+PERL_CALLCONV PerlIO *PerlIO_tmpfile(void);
#endif
#ifndef PerlIO_stdin
-extern PerlIO *PerlIO_stdin(void);
+PERL_CALLCONV PerlIO *PerlIO_stdin(void);
#endif
#ifndef PerlIO_stdout
-extern PerlIO *PerlIO_stdout(void);
+PERL_CALLCONV PerlIO *PerlIO_stdout(void);
#endif
#ifndef PerlIO_stderr
-extern PerlIO *PerlIO_stderr(void);
+PERL_CALLCONV PerlIO *PerlIO_stderr(void);
#endif
#ifndef PerlIO_getpos
-extern int PerlIO_getpos(PerlIO *, SV *);
+PERL_CALLCONV int PerlIO_getpos(PerlIO *, SV *);
#endif
#ifndef PerlIO_setpos
-extern int PerlIO_setpos(PerlIO *, SV *);
+PERL_CALLCONV int PerlIO_setpos(PerlIO *, SV *);
#endif
#ifndef PerlIO_fdupopen
-extern PerlIO *PerlIO_fdupopen(pTHX_ PerlIO *, CLONE_PARAMS *, int);
+PERL_CALLCONV PerlIO *PerlIO_fdupopen(pTHX_ PerlIO *, CLONE_PARAMS *, int);
#endif
#if !defined(PerlIO_modestr) && !defined(PERLIO_IS_STDIO)
-extern char *PerlIO_modestr(PerlIO *, char *buf);
+PERL_CALLCONV char *PerlIO_modestr(PerlIO *, char *buf);
#endif
#ifndef PerlIO_isutf8
-extern int PerlIO_isutf8(PerlIO *);
+PERL_CALLCONV int PerlIO_isutf8(PerlIO *);
#endif
#ifndef PerlIO_apply_layers
-extern int PerlIO_apply_layers(pTHX_ PerlIO *f, const char *mode,
- const char *names);
+PERL_CALLCONV int PerlIO_apply_layers(pTHX_ PerlIO *f, const char *mode,
+ const char *names);
#endif
#ifndef PerlIO_binmode
-extern int PerlIO_binmode(pTHX_ PerlIO *f, int iotype, int omode,
- const char *names);
+PERL_CALLCONV int PerlIO_binmode(pTHX_ PerlIO *f, int iotype, int omode,
+ const char *names);
#endif
#ifndef PerlIO_getname
-extern char *PerlIO_getname(PerlIO *, char *);
+PERL_CALLCONV char *PerlIO_getname(PerlIO *, char *);
#endif
-extern void PerlIO_destruct(pTHX);
+PERL_CALLCONV void PerlIO_destruct(pTHX);
-extern int PerlIO_intmode2str(int rawmode, char *mode, int *writing);
+PERL_CALLCONV int PerlIO_intmode2str(int rawmode, char *mode, int *writing);
#ifdef PERLIO_LAYERS
-extern void PerlIO_cleanup(pTHX);
+PERL_CALLCONV void PerlIO_cleanup(pTHX);
-extern void PerlIO_debug(const char *fmt, ...);
+PERL_CALLCONV void PerlIO_debug(const char *fmt, ...)
+ __attribute__format__(__printf__, 1, 2);
typedef struct PerlIO_list_s PerlIO_list_t;
END_EXTERN_C
#endif /* _PERLIO_H */
+
+/*
+ * ex: set ts=8 sts=4 sw=4 et:
+ */
https://perl5.git.perl.org / perl5.git / blobdiff