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# New Ticket Created by (Peter J. Acklam) # Please include the string: [perl #81904] # in the subject line of all future correspondence about this issue. # <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=81904 > Signed-off-by: Abigail <abigail@abigail.be>
165 lines
4.9 KiB
C
165 lines
4.9 KiB
C
/* perlsdio.h
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*
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* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001,
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* 2002, 2003, 2006, 2007, 2008 by Larry Wall and others
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*
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* You may distribute under the terms of either the GNU General Public
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* License or the Artistic License, as specified in the README file.
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*
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*/
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#ifdef PERLIO_IS_STDIO
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#ifdef NETWARE
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#include "nwstdio.h"
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#else
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/*
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* This file #define-s the PerlIO_xxx abstraction onto stdio functions.
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* Make this as close to original stdio as possible.
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*/
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#define PerlIO FILE
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#define PerlIO_stderr() PerlSIO_stderr
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#define PerlIO_stdout() PerlSIO_stdout
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#define PerlIO_stdin() PerlSIO_stdin
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#define PerlIO_isutf8(f) 0
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#define PerlIO_printf PerlSIO_printf
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#define PerlIO_stdoutf PerlSIO_stdoutf
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#define PerlIO_vprintf(f,fmt,a) PerlSIO_vprintf(f,fmt,a)
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#define PerlIO_write(f,buf,count) PerlSIO_fwrite(buf,1,count,f)
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#define PerlIO_unread(f,buf,count) (-1)
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#define PerlIO_open PerlSIO_fopen
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#define PerlIO_fdopen PerlSIO_fdopen
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#define PerlIO_reopen PerlSIO_freopen
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#define PerlIO_close(f) PerlSIO_fclose(f)
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#define PerlIO_puts(f,s) PerlSIO_fputs(s,f)
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#define PerlIO_putc(f,c) PerlSIO_fputc(c,f)
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#if defined(VMS)
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# if defined(__DECC)
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/* Unusual definition of ungetc() here to accommodate fast_sv_gets()'
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* belief that it can mix getc/ungetc with reads from stdio buffer */
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int decc$ungetc(int __c, FILE *__stream);
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# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
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((*(f) && !((*(f))->_flag & _IONBF) && \
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((*(f))->_ptr > (*(f))->_base)) ? \
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((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
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# else
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# define PerlIO_ungetc(f,c) ungetc(c,f)
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# endif
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/* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
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* VAXCRTL which causes read from a pipe after EOF has been returned
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* once to hang.
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*/
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# define PerlIO_getc(f) \
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(feof(f) ? EOF : getc(f))
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# define PerlIO_read(f,buf,count) \
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(feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
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# define PerlIO_tell(f) ftell(f)
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#else
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# define PerlIO_getc(f) PerlSIO_fgetc(f)
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# define PerlIO_ungetc(f,c) PerlSIO_ungetc(c,f)
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# define PerlIO_read(f,buf,count) (SSize_t)PerlSIO_fread(buf,1,count,f)
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# define PerlIO_tell(f) PerlSIO_ftell(f)
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#endif
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#define PerlIO_eof(f) PerlSIO_feof(f)
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#define PerlIO_getname(f,b) fgetname(f,b)
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#define PerlIO_error(f) PerlSIO_ferror(f)
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#define PerlIO_fileno(f) PerlSIO_fileno(f)
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#define PerlIO_clearerr(f) PerlSIO_clearerr(f)
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#define PerlIO_flush(f) PerlSIO_fflush(f)
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#if defined(VMS) && !defined(__DECC)
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/* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
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#define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
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#else
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# define PerlIO_seek(f,o,w) PerlSIO_fseek(f,o,w)
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#endif
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#define PerlIO_rewind(f) PerlSIO_rewind(f)
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#define PerlIO_tmpfile() PerlSIO_tmpfile()
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#define PerlIO_importFILE(f,fl) (f)
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#define PerlIO_exportFILE(f,fl) (f)
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#define PerlIO_findFILE(f) (f)
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#define PerlIO_releaseFILE(p,f) ((void) 0)
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#ifdef HAS_SETLINEBUF
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#define PerlIO_setlinebuf(f) PerlSIO_setlinebuf(f);
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#else
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#define PerlIO_setlinebuf(f) PerlSIO_setvbuf(f, NULL, _IOLBF, 0);
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#endif
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/* Now our interface to Configure's FILE_xxx macros */
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#ifdef USE_STDIO_PTR
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#define PerlIO_has_cntptr(f) 1
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#define PerlIO_get_ptr(f) PerlSIO_get_ptr(f)
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#define PerlIO_get_cnt(f) PerlSIO_get_cnt(f)
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#ifdef STDIO_CNT_LVALUE
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#define PerlIO_canset_cnt(f) 1
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#define PerlIO_set_cnt(f,c) PerlSIO_set_cnt(f,c)
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#ifdef STDIO_PTR_LVALUE
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#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
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#define PerlIO_fast_gets(f) 1
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#endif
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#endif /* STDIO_PTR_LVALUE */
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#else /* STDIO_CNT_LVALUE */
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#define PerlIO_canset_cnt(f) 0
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#define PerlIO_set_cnt(f,c) abort()
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#endif
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#ifdef STDIO_PTR_LVALUE
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#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
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#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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#else
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#ifdef STDIO_PTR_LVAL_SETS_CNT
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/* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
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#define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p); assert(PerlSIO_get_cnt(f) == (c));} STMT_END
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#define PerlIO_fast_gets(f) 1
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#else
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#define PerlIO_set_ptrcnt(f,p,c) abort()
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#endif
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#endif
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#endif
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#else /* USE_STDIO_PTR */
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#define PerlIO_has_cntptr(f) 0
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#define PerlIO_canset_cnt(f) 0
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#define PerlIO_get_cnt(f) (abort(),0)
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#define PerlIO_get_ptr(f) (abort(),(void *)0)
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#define PerlIO_set_cnt(f,c) abort()
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#define PerlIO_set_ptrcnt(f,p,c) abort()
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#endif /* USE_STDIO_PTR */
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#ifndef PerlIO_fast_gets
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#define PerlIO_fast_gets(f) 0
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#endif
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#ifdef FILE_base
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#define PerlIO_has_base(f) 1
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#define PerlIO_get_base(f) PerlSIO_get_base(f)
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#define PerlIO_get_bufsiz(f) PerlSIO_get_bufsiz(f)
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#else
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#define PerlIO_has_base(f) 0
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#define PerlIO_get_base(f) (abort(),(void *)0)
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#define PerlIO_get_bufsiz(f) (abort(),0)
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#endif
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#endif /* NETWARE */
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#endif /* PERLIO_IS_STDIO */
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/*
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* Local variables:
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* c-indentation-style: bsd
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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*
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* ex: set ts=8 sts=4 sw=4 noet:
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*/
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