+/* perlio.h
+ *
+ * Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003,
+ * 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.
+ *
+ */
+
#ifndef _PERLIO_H
#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
builds - "just like perl5.00X used to be".
#if defined(PERL_IMPLICIT_SYS)
#ifndef USE_PERLIO
#ifndef NETWARE
-# define USE_PERLIO
+/* # define USE_PERLIO */
#endif
#endif
#endif
#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);
+/* Making the big PerlIO_funcs vtables const is good (enables placing
+ * them in the const section which is good for speed, security, and
+ * embeddability) but this cannot be done by default because of
+ * backward compatibility. */
+#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_EXPORT_C void PerlIO_define_layer(pTHX_ PerlIO_funcs *tab);
+PERL_EXPORT_C PerlIO_funcs *PerlIO_find_layer(pTHX_ const char *name,
+ STRLEN len,
+ int load);
+PERL_EXPORT_C PerlIO *PerlIO_push(pTHX_ PerlIO *f, PERLIO_FUNCS_DECL(*tab),
+ const char *mode, SV *arg);
+PERL_EXPORT_C void PerlIO_pop(pTHX_ PerlIO *f);
+PERL_EXPORT_C AV* PerlIO_get_layers(pTHX_ PerlIO *f);
+PERL_EXPORT_C void PerlIO_clone(pTHX_ PerlInterpreter *proto,
+ CLONE_PARAMS *param);
#endif /* PerlIO */
#endif /* ifndef PERLIO_NOT_STDIO */
#endif /* PERLIO_IS_STDIO */
-#define specialCopIO(sv) ((sv) != Nullsv)
+#define specialCopIO(sv) ((sv) == Nullsv)
/* ----------- fill in things that have not got #define'd ---------- */
/* --------------------- Now prototypes for functions --------------- */
START_EXTERN_C
+#ifndef __attribute__format__
+#ifdef CHECK_FORMAT
+#define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
+#else
+#define __attribute__format__(x,y,z)
+#endif
+#endif
#ifndef NEXT30_NO_ATTRIBUTE
#ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
#ifdef __attribute__ /* Avoid possible redefinition errors */
#endif
#endif
#ifndef PerlIO_init
-extern void PerlIO_init(pTHX);
+PERL_EXPORT_C void PerlIO_init(pTHX);
#endif
#ifndef PerlIO_stdoutf
-extern int PerlIO_stdoutf(const char *, ...)
- __attribute__ ((__format__(__printf__, 1, 2)));
+PERL_EXPORT_C int PerlIO_stdoutf(const char *, ...)
+ __attribute__format__(__printf__, 1, 2);
#endif
#ifndef PerlIO_puts
-extern int PerlIO_puts(PerlIO *, const char *);
+PERL_EXPORT_C int PerlIO_puts(PerlIO *, const char *);
#endif
#ifndef PerlIO_open
-extern PerlIO *PerlIO_open(const char *, const char *);
+PERL_EXPORT_C 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);
-#endif
-#ifndef PerlIO_close
-extern int PerlIO_close(PerlIO *);
+PERL_EXPORT_C 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_EXPORT_C int PerlIO_eof(PerlIO *);
#endif
#ifndef PerlIO_error
-extern int PerlIO_error(PerlIO *);
+PERL_EXPORT_C int PerlIO_error(PerlIO *);
#endif
#ifndef PerlIO_clearerr
-extern void PerlIO_clearerr(PerlIO *);
+PERL_EXPORT_C void PerlIO_clearerr(PerlIO *);
#endif
#ifndef PerlIO_getc
-extern int PerlIO_getc(PerlIO *);
+PERL_EXPORT_C int PerlIO_getc(PerlIO *);
#endif
#ifndef PerlIO_putc
-extern int PerlIO_putc(PerlIO *, int);
-#endif
-#ifndef PerlIO_flush
-extern int PerlIO_flush(PerlIO *);
+PERL_EXPORT_C int PerlIO_putc(PerlIO *, int);
#endif
#ifndef PerlIO_ungetc
-extern int PerlIO_ungetc(PerlIO *, int);
-#endif
-#ifndef PerlIO_fileno
-extern int PerlIO_fileno(PerlIO *);
+PERL_EXPORT_C int PerlIO_ungetc(PerlIO *, int);
#endif
#ifndef PerlIO_fdopen
-extern PerlIO *PerlIO_fdopen(int, const char *);
+PERL_EXPORT_C PerlIO *PerlIO_fdopen(int, const char *);
#endif
#ifndef PerlIO_importFILE
-extern PerlIO *PerlIO_importFILE(FILE *, int);
+PERL_EXPORT_C PerlIO *PerlIO_importFILE(FILE *, const char *);
#endif
#ifndef PerlIO_exportFILE
-extern FILE *PerlIO_exportFILE(PerlIO *, int);
+PERL_EXPORT_C FILE *PerlIO_exportFILE(PerlIO *, const char *);
#endif
#ifndef PerlIO_findFILE
-extern FILE *PerlIO_findFILE(PerlIO *);
+PERL_EXPORT_C FILE *PerlIO_findFILE(PerlIO *);
#endif
#ifndef PerlIO_releaseFILE
-extern void PerlIO_releaseFILE(PerlIO *, FILE *);
+PERL_EXPORT_C void PerlIO_releaseFILE(PerlIO *, FILE *);
#endif
#ifndef PerlIO_read
-extern SSize_t PerlIO_read(PerlIO *, void *, Size_t);
+PERL_EXPORT_C SSize_t PerlIO_read(PerlIO *, void *, Size_t);
#endif
#ifndef PerlIO_unread
-extern SSize_t PerlIO_unread(PerlIO *, const void *, Size_t);
+PERL_EXPORT_C SSize_t PerlIO_unread(PerlIO *, const void *, Size_t);
#endif
#ifndef PerlIO_write
-extern SSize_t PerlIO_write(PerlIO *, const void *, Size_t);
+PERL_EXPORT_C SSize_t PerlIO_write(PerlIO *, const void *, Size_t);
#endif
#ifndef PerlIO_setlinebuf
-extern void PerlIO_setlinebuf(PerlIO *);
+PERL_EXPORT_C void PerlIO_setlinebuf(PerlIO *);
#endif
#ifndef PerlIO_printf
-extern int PerlIO_printf(PerlIO *, const char *, ...)
- __attribute__ ((__format__(__printf__, 2, 3)));
+PERL_EXPORT_C 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_EXPORT_C int PerlIO_sprintf(char *, int, const char *, ...)
+ __attribute__format__(__printf__, 3, 4);
#endif
#ifndef PerlIO_vprintf
-extern int PerlIO_vprintf(PerlIO *, const char *, va_list);
+PERL_EXPORT_C int PerlIO_vprintf(PerlIO *, const char *, va_list);
#endif
#ifndef PerlIO_tell
-extern Off_t PerlIO_tell(PerlIO *);
+PERL_EXPORT_C Off_t PerlIO_tell(PerlIO *);
#endif
#ifndef PerlIO_seek
-extern int PerlIO_seek(PerlIO *, Off_t, int);
+PERL_EXPORT_C int PerlIO_seek(PerlIO *, Off_t, int);
#endif
#ifndef PerlIO_rewind
-extern void PerlIO_rewind(PerlIO *);
+PERL_EXPORT_C void PerlIO_rewind(PerlIO *);
#endif
#ifndef PerlIO_has_base
-extern int PerlIO_has_base(PerlIO *);
+PERL_EXPORT_C int PerlIO_has_base(PerlIO *);
#endif
#ifndef PerlIO_has_cntptr
-extern int PerlIO_has_cntptr(PerlIO *);
+PERL_EXPORT_C int PerlIO_has_cntptr(PerlIO *);
#endif
#ifndef PerlIO_fast_gets
-extern int PerlIO_fast_gets(PerlIO *);
+PERL_EXPORT_C int PerlIO_fast_gets(PerlIO *);
#endif
#ifndef PerlIO_canset_cnt
-extern int PerlIO_canset_cnt(PerlIO *);
+PERL_EXPORT_C int PerlIO_canset_cnt(PerlIO *);
#endif
#ifndef PerlIO_get_ptr
-extern STDCHAR *PerlIO_get_ptr(PerlIO *);
+PERL_EXPORT_C STDCHAR *PerlIO_get_ptr(PerlIO *);
#endif
#ifndef PerlIO_get_cnt
-extern int PerlIO_get_cnt(PerlIO *);
+PERL_EXPORT_C int PerlIO_get_cnt(PerlIO *);
#endif
#ifndef PerlIO_set_cnt
-extern void PerlIO_set_cnt(PerlIO *, int);
+PERL_EXPORT_C void PerlIO_set_cnt(PerlIO *, int);
#endif
#ifndef PerlIO_set_ptrcnt
-extern void PerlIO_set_ptrcnt(PerlIO *, STDCHAR *, int);
+PERL_EXPORT_C void PerlIO_set_ptrcnt(PerlIO *, STDCHAR *, int);
#endif
#ifndef PerlIO_get_base
-extern STDCHAR *PerlIO_get_base(PerlIO *);
+PERL_EXPORT_C STDCHAR *PerlIO_get_base(PerlIO *);
#endif
#ifndef PerlIO_get_bufsiz
-extern int PerlIO_get_bufsiz(PerlIO *);
+PERL_EXPORT_C int PerlIO_get_bufsiz(PerlIO *);
#endif
#ifndef PerlIO_tmpfile
-extern PerlIO *PerlIO_tmpfile(void);
+PERL_EXPORT_C PerlIO *PerlIO_tmpfile(void);
#endif
#ifndef PerlIO_stdin
-extern PerlIO *PerlIO_stdin(void);
+PERL_EXPORT_C PerlIO *PerlIO_stdin(void);
#endif
#ifndef PerlIO_stdout
-extern PerlIO *PerlIO_stdout(void);
+PERL_EXPORT_C PerlIO *PerlIO_stdout(void);
#endif
#ifndef PerlIO_stderr
-extern PerlIO *PerlIO_stderr(void);
+PERL_EXPORT_C PerlIO *PerlIO_stderr(void);
#endif
#ifndef PerlIO_getpos
-extern int PerlIO_getpos(PerlIO *, SV *);
+PERL_EXPORT_C int PerlIO_getpos(PerlIO *, SV *);
#endif
#ifndef PerlIO_setpos
-extern int PerlIO_setpos(PerlIO *, SV *);
+PERL_EXPORT_C int PerlIO_setpos(PerlIO *, SV *);
#endif
#ifndef PerlIO_fdupopen
-extern PerlIO *PerlIO_fdupopen(pTHX_ PerlIO *, CLONE_PARAMS *, int);
+PERL_EXPORT_C 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_EXPORT_C char *PerlIO_modestr(PerlIO *, char *buf);
#endif
#ifndef PerlIO_isutf8
-extern int PerlIO_isutf8(PerlIO *);
+PERL_EXPORT_C int PerlIO_isutf8(PerlIO *);
#endif
#ifndef PerlIO_apply_layers
-extern int PerlIO_apply_layers(pTHX_ PerlIO *f, const char *mode,
- const char *names);
+PERL_EXPORT_C 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_EXPORT_C int PerlIO_binmode(pTHX_ PerlIO *f, int iotype, int omode,
+ const char *names);
#endif
#ifndef PerlIO_getname
-extern char *PerlIO_getname(PerlIO *, char *);
+PERL_EXPORT_C char *PerlIO_getname(PerlIO *, char *);
#endif
-extern void PerlIO_destruct(pTHX);
+PERL_EXPORT_C void PerlIO_destruct(pTHX);
-extern int PerlIO_intmode2str(int rawmode, char *mode, int *writing);
+PERL_EXPORT_C int PerlIO_intmode2str(int rawmode, char *mode, int *writing);
#ifdef PERLIO_LAYERS
-extern void PerlIO_cleanup(pTHX);
+PERL_EXPORT_C void PerlIO_cleanup(pTHX);
-extern void PerlIO_debug(const char *fmt, ...);
+PERL_EXPORT_C void PerlIO_debug(const char *fmt, ...)
+ __attribute__format__(__printf__, 1, 2);
typedef struct PerlIO_list_s PerlIO_list_t;
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