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Re: [perl #47195] $1 suddenly tainted after regexp on utf-8 string
[perl5.git] / perlsdio.h
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1/* perlsdio.h
2 *
4bb101f2 3 * Copyright (C) 1996, 1997, 1998, 1999,
699a97de 4 * 2000, 2001, 2002, 2003, 2006 by Larry Wall and others
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5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 *
9 */
10
760ac839 11#ifdef PERLIO_IS_STDIO
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12
13#ifdef NETWARE
14 #include "nwstdio.h"
15#else
16
760ac839 17/*
76ced9ad 18 * This file #define-s the PerlIO_xxx abstraction onto stdio functions.
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19 * Make this as close to original stdio as possible.
20 */
76ced9ad 21#define PerlIO FILE
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22#define PerlIO_stderr() PerlSIO_stderr
23#define PerlIO_stdout() PerlSIO_stdout
24#define PerlIO_stdin() PerlSIO_stdin
760ac839 25
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26#define PerlIO_isutf8(f) 0
27
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28#define PerlIO_printf PerlSIO_printf
29#define PerlIO_stdoutf PerlSIO_stdoutf
30#define PerlIO_vprintf(f,fmt,a) PerlSIO_vprintf(f,fmt,a)
31#define PerlIO_write(f,buf,count) PerlSIO_fwrite(buf,1,count,f)
a15cef0c 32#define PerlIO_unread(f,buf,count) (-1)
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33#define PerlIO_open PerlSIO_fopen
34#define PerlIO_fdopen PerlSIO_fdopen
35#define PerlIO_reopen PerlSIO_freopen
36#define PerlIO_close(f) PerlSIO_fclose(f)
37#define PerlIO_puts(f,s) PerlSIO_fputs(f,s)
38#define PerlIO_putc(f,c) PerlSIO_fputc(f,c)
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39#if defined(VMS)
40# if defined(__DECC)
41 /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
42 * belief that it can mix getc/ungetc with reads from stdio buffer */
43 int decc$ungetc(int __c, FILE *__stream);
44# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
45 ((*(f) && !((*(f))->_flag & _IONBF) && \
46 ((*(f))->_ptr > (*(f))->_base)) ? \
47 ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
48# else
49# define PerlIO_ungetc(f,c) ungetc(c,f)
50# endif
51 /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
52 * VAXCRTL which causes read from a pipe after EOF has been returned
53 * once to hang.
aa689395 54 */
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55# define PerlIO_getc(f) \
56 (feof(f) ? EOF : getc(f))
57# define PerlIO_read(f,buf,count) \
58 (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
bf348c40 59# define PerlIO_tell(f) ftell(f)
1ac5d68d 60#else
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61# define PerlIO_getc(f) PerlSIO_fgetc(f)
62# define PerlIO_ungetc(f,c) PerlSIO_ungetc(c,f)
63# define PerlIO_read(f,buf,count) (SSize_t)PerlSIO_fread(buf,1,count,f)
64# define PerlIO_tell(f) PerlSIO_ftell(f)
1ac5d68d 65#endif
362d0d44 66#define PerlIO_eof(f) PerlSIO_feof(f)
a20bf0c3 67#define PerlIO_getname(f,b) fgetname(f,b)
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68#define PerlIO_error(f) PerlSIO_ferror(f)
69#define PerlIO_fileno(f) PerlSIO_fileno(f)
70#define PerlIO_clearerr(f) PerlSIO_clearerr(f)
71#define PerlIO_flush(f) PerlSIO_fflush(f)
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72#if defined(VMS) && !defined(__DECC)
73/* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
74#define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
fab3f3a7 75#else
362d0d44 76# define PerlIO_seek(f,o,w) PerlSIO_fseek(f,o,w)
17f28c40 77#endif
760ac839 78
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79#define PerlIO_rewind(f) PerlSIO_rewind(f)
80#define PerlIO_tmpfile() PerlSIO_tmpfile()
760ac839 81
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82#define PerlIO_importFILE(f,fl) (f)
83#define PerlIO_exportFILE(f,fl) (f)
84#define PerlIO_findFILE(f) (f)
85#define PerlIO_releaseFILE(p,f) ((void) 0)
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86
87#ifdef HAS_SETLINEBUF
362d0d44 88#define PerlIO_setlinebuf(f) PerlSIO_setlinebuf(f);
760ac839 89#else
bd61b366 90#define PerlIO_setlinebuf(f) PerlSIO_setvbuf(f, NULL, _IOLBF, 0);
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91#endif
92
93/* Now our interface to Configure's FILE_xxx macros */
94
95#ifdef USE_STDIO_PTR
76ced9ad 96#define PerlIO_has_cntptr(f) 1
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97#define PerlIO_get_ptr(f) PerlSIO_get_ptr(f)
98#define PerlIO_get_cnt(f) PerlSIO_get_cnt(f)
760ac839 99
c7ae39e5 100#ifdef STDIO_CNT_LVALUE
76ced9ad 101#define PerlIO_canset_cnt(f) 1
362d0d44 102#define PerlIO_set_cnt(f,c) PerlSIO_set_cnt(f,c)
c7ae39e5 103#ifdef STDIO_PTR_LVALUE
a7ffa9b9 104#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
76ced9ad 105#define PerlIO_fast_gets(f) 1
760ac839 106#endif
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107#endif /* STDIO_PTR_LVALUE */
108#else /* STDIO_CNT_LVALUE */
76ced9ad 109#define PerlIO_canset_cnt(f) 0
a20bf0c3 110#define PerlIO_set_cnt(f,c) abort()
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111#endif
112
c7ae39e5 113#ifdef STDIO_PTR_LVALUE
a7ffa9b9 114#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
362d0d44 115#define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p), PerlIO_set_cnt(f,c);} STMT_END
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116#else
117#ifdef STDIO_PTR_LVAL_SETS_CNT
118/* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
362d0d44 119#define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p); assert(PerlSIO_get_cnt(f) == (c));} STMT_END
76ced9ad 120#define PerlIO_fast_gets(f) 1
760ac839 121#else
a20bf0c3 122#define PerlIO_set_ptrcnt(f,p,c) abort()
760ac839 123#endif
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124#endif
125#endif
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126
127#else /* USE_STDIO_PTR */
128
129#define PerlIO_has_cntptr(f) 0
c7ae39e5 130#define PerlIO_canset_cnt(f) 0
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131#define PerlIO_get_cnt(f) (abort(),0)
132#define PerlIO_get_ptr(f) (abort(),(void *)0)
133#define PerlIO_set_cnt(f,c) abort()
134#define PerlIO_set_ptrcnt(f,p,c) abort()
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135
136#endif /* USE_STDIO_PTR */
137
138#ifndef PerlIO_fast_gets
76ced9ad 139#define PerlIO_fast_gets(f) 0
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140#endif
141
142
143#ifdef FILE_base
76ced9ad 144#define PerlIO_has_base(f) 1
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145#define PerlIO_get_base(f) PerlSIO_get_base(f)
146#define PerlIO_get_bufsiz(f) PerlSIO_get_bufsiz(f)
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147#else
148#define PerlIO_has_base(f) 0
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149#define PerlIO_get_base(f) (abort(),(void *)0)
150#define PerlIO_get_bufsiz(f) (abort(),0)
760ac839 151#endif
760ac839 152
afd1eb53 153#endif /* NETWARE */
760ac839 154#endif /* PERLIO_IS_STDIO */