Unicode properties: fix L& (the #12319 didn't allow L&,
[p5sagit/p5-mst-13.2.git] / perlsdio.h
CommitLineData
760ac839 1#ifdef PERLIO_IS_STDIO
9219c8de 2
3#ifdef NETWARE
4 #include "nwstdio.h"
5#else
6
760ac839 7/*
76ced9ad 8 * This file #define-s the PerlIO_xxx abstraction onto stdio functions.
760ac839 9 * Make this as close to original stdio as possible.
10 */
76ced9ad 11#define PerlIO FILE
760ac839 12#define PerlIO_stderr() stderr
13#define PerlIO_stdout() stdout
14#define PerlIO_stdin() stdin
15
76ced9ad 16#define PerlIO_fdupopen(f) (f)
17#define PerlIO_isutf8(f) 0
18
760ac839 19#define PerlIO_printf fprintf
20#define PerlIO_stdoutf printf
76ced9ad 21#define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a)
760ac839 22#define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f)
a15cef0c 23#define PerlIO_unread(f,buf,count) (-1)
c7ae39e5 24#define PerlIO_open fopen
25#define PerlIO_fdopen fdopen
76ced9ad 26#define PerlIO_reopen freopen
cf829ab0 27#define PerlIO_close(f) fclose(f)
760ac839 28#define PerlIO_puts(f,s) fputs(s,f)
29#define PerlIO_putc(f,c) fputc(c,f)
9607fc9c 30#if defined(VMS)
31# if defined(__DECC)
32 /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
33 * belief that it can mix getc/ungetc with reads from stdio buffer */
34 int decc$ungetc(int __c, FILE *__stream);
35# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
36 ((*(f) && !((*(f))->_flag & _IONBF) && \
37 ((*(f))->_ptr > (*(f))->_base)) ? \
38 ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
39# else
40# define PerlIO_ungetc(f,c) ungetc(c,f)
41# endif
42 /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
43 * VAXCRTL which causes read from a pipe after EOF has been returned
44 * once to hang.
aa689395 45 */
5b54f415 46# define PerlIO_getc(f) \
47 (feof(f) ? EOF : getc(f))
48# define PerlIO_read(f,buf,count) \
49 (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
bf348c40 50# define PerlIO_tell(f) ftell(f)
1ac5d68d 51#else
cf829ab0 52# define PerlIO_getc(f) getc(f)
53# define PerlIO_ungetc(f,c) ungetc(c,f)
54# define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f)
55# define PerlIO_tell(f) ftell(f)
1ac5d68d 56#endif
760ac839 57#define PerlIO_eof(f) feof(f)
a20bf0c3 58#define PerlIO_getname(f,b) fgetname(f,b)
760ac839 59#define PerlIO_error(f) ferror(f)
60#define PerlIO_fileno(f) fileno(f)
61#define PerlIO_clearerr(f) clearerr(f)
62#define PerlIO_flush(f) Fflush(f)
cf829ab0 63#if defined(VMS) && !defined(__DECC)
64/* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
65#define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
fab3f3a7 66#else
cf829ab0 67# define PerlIO_seek(f,o,w) fseek(f,o,w)
17f28c40 68#endif
760ac839 69
70#define PerlIO_rewind(f) rewind(f)
71#define PerlIO_tmpfile() tmpfile()
72
76ced9ad 73#define PerlIO_importFILE(f,fl) (f)
74#define PerlIO_exportFILE(f,fl) (f)
75#define PerlIO_findFILE(f) (f)
76#define PerlIO_releaseFILE(p,f) ((void) 0)
760ac839 77
78#ifdef HAS_SETLINEBUF
79#define PerlIO_setlinebuf(f) setlinebuf(f);
80#else
4fabb596 81#define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0);
760ac839 82#endif
83
84/* Now our interface to Configure's FILE_xxx macros */
85
86#ifdef USE_STDIO_PTR
76ced9ad 87#define PerlIO_has_cntptr(f) 1
88#define PerlIO_get_ptr(f) FILE_ptr(f)
89#define PerlIO_get_cnt(f) FILE_cnt(f)
760ac839 90
c7ae39e5 91#ifdef STDIO_CNT_LVALUE
76ced9ad 92#define PerlIO_canset_cnt(f) 1
93#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
c7ae39e5 94#ifdef STDIO_PTR_LVALUE
a7ffa9b9 95#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
76ced9ad 96#define PerlIO_fast_gets(f) 1
760ac839 97#endif
a7ffa9b9 98#endif /* STDIO_PTR_LVALUE */
99#else /* STDIO_CNT_LVALUE */
76ced9ad 100#define PerlIO_canset_cnt(f) 0
a20bf0c3 101#define PerlIO_set_cnt(f,c) abort()
760ac839 102#endif
103
c7ae39e5 104#ifdef STDIO_PTR_LVALUE
a7ffa9b9 105#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
bd0e0981 106#define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p), PerlIO_set_cnt(f,c);} STMT_END
a7ffa9b9 107#else
108#ifdef STDIO_PTR_LVAL_SETS_CNT
109/* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
bd0e0981 110#define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p); assert(FILE_cnt(f) == (c));} STMT_END
76ced9ad 111#define PerlIO_fast_gets(f) 1
760ac839 112#else
a20bf0c3 113#define PerlIO_set_ptrcnt(f,p,c) abort()
760ac839 114#endif
a7ffa9b9 115#endif
116#endif
760ac839 117
118#else /* USE_STDIO_PTR */
119
120#define PerlIO_has_cntptr(f) 0
c7ae39e5 121#define PerlIO_canset_cnt(f) 0
a20bf0c3 122#define PerlIO_get_cnt(f) (abort(),0)
123#define PerlIO_get_ptr(f) (abort(),(void *)0)
124#define PerlIO_set_cnt(f,c) abort()
125#define PerlIO_set_ptrcnt(f,p,c) abort()
760ac839 126
127#endif /* USE_STDIO_PTR */
128
129#ifndef PerlIO_fast_gets
76ced9ad 130#define PerlIO_fast_gets(f) 0
760ac839 131#endif
132
133
134#ifdef FILE_base
76ced9ad 135#define PerlIO_has_base(f) 1
136#define PerlIO_get_base(f) FILE_base(f)
137#define PerlIO_get_bufsiz(f) FILE_bufsiz(f)
760ac839 138#else
139#define PerlIO_has_base(f) 0
a20bf0c3 140#define PerlIO_get_base(f) (abort(),(void *)0)
141#define PerlIO_get_bufsiz(f) (abort(),0)
760ac839 142#endif
760ac839 143
9219c8de 144#endif /* NETWARE */
760ac839 145#endif /* PERLIO_IS_STDIO */