X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/4bb101f2758f169969171dfe6b70f68a406dcc1e..bf4a926a29374161655548b149d1cb37300bcc05:/perlsdio.h diff --git a/perlsdio.h b/perlsdio.h index c35752a..2d6b22e 100644 --- a/perlsdio.h +++ b/perlsdio.h @@ -1,154 +1,21 @@ /* perlsdio.h * - * Copyright (C) 1996, 1997, 1998, 1999, - * 2000, 2001, 2002, by Larry Wall and others + * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, + * 2002, 2003, 2006, 2007, 2008 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. * */ +/* Shouldn't be possible to get here, but if we did ... */ + #ifdef PERLIO_IS_STDIO -#ifdef NETWARE - #include "nwstdio.h" -#else +# error "stdio is no longer supported as the default base layer -- use perlio." + +#endif /* PERLIO_IS_STDIO */ /* - * This file #define-s the PerlIO_xxx abstraction onto stdio functions. - * Make this as close to original stdio as possible. + * ex: set ts=8 sts=4 sw=4 et: */ -#define PerlIO FILE -#define PerlIO_stderr() PerlSIO_stderr -#define PerlIO_stdout() PerlSIO_stdout -#define PerlIO_stdin() PerlSIO_stdin - -#define PerlIO_isutf8(f) 0 - -#define PerlIO_printf PerlSIO_printf -#define PerlIO_stdoutf PerlSIO_stdoutf -#define PerlIO_vprintf(f,fmt,a) PerlSIO_vprintf(f,fmt,a) -#define PerlIO_write(f,buf,count) PerlSIO_fwrite(buf,1,count,f) -#define PerlIO_unread(f,buf,count) (-1) -#define PerlIO_open PerlSIO_fopen -#define PerlIO_fdopen PerlSIO_fdopen -#define PerlIO_reopen PerlSIO_freopen -#define PerlIO_close(f) PerlSIO_fclose(f) -#define PerlIO_puts(f,s) PerlSIO_fputs(f,s) -#define PerlIO_putc(f,c) PerlSIO_fputc(f,c) -#if defined(VMS) -# if defined(__DECC) - /* Unusual definition of ungetc() here to accomodate fast_sv_gets()' - * belief that it can mix getc/ungetc with reads from stdio buffer */ - int decc$ungetc(int __c, FILE *__stream); -# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \ - ((*(f) && !((*(f))->_flag & _IONBF) && \ - ((*(f))->_ptr > (*(f))->_base)) ? \ - ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f))) -# else -# define PerlIO_ungetc(f,c) ungetc(c,f) -# endif - /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old - * VAXCRTL which causes read from a pipe after EOF has been returned - * once to hang. - */ -# define PerlIO_getc(f) \ - (feof(f) ? EOF : getc(f)) -# define PerlIO_read(f,buf,count) \ - (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f)) -# define PerlIO_tell(f) ftell(f) -#else -# define PerlIO_getc(f) PerlSIO_fgetc(f) -# define PerlIO_ungetc(f,c) PerlSIO_ungetc(c,f) -# define PerlIO_read(f,buf,count) (SSize_t)PerlSIO_fread(buf,1,count,f) -# define PerlIO_tell(f) PerlSIO_ftell(f) -#endif -#define PerlIO_eof(f) PerlSIO_feof(f) -#define PerlIO_getname(f,b) fgetname(f,b) -#define PerlIO_error(f) PerlSIO_ferror(f) -#define PerlIO_fileno(f) PerlSIO_fileno(f) -#define PerlIO_clearerr(f) PerlSIO_clearerr(f) -#define PerlIO_flush(f) PerlSIO_fflush(f) -#if defined(VMS) && !defined(__DECC) -/* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */ -#define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w)) -#else -# define PerlIO_seek(f,o,w) PerlSIO_fseek(f,o,w) -#endif - -#define PerlIO_rewind(f) PerlSIO_rewind(f) -#define PerlIO_tmpfile() PerlSIO_tmpfile() - -#define PerlIO_importFILE(f,fl) (f) -#define PerlIO_exportFILE(f,fl) (f) -#define PerlIO_findFILE(f) (f) -#define PerlIO_releaseFILE(p,f) ((void) 0) - -#ifdef HAS_SETLINEBUF -#define PerlIO_setlinebuf(f) PerlSIO_setlinebuf(f); -#else -#define PerlIO_setlinebuf(f) PerlSIO_setvbuf(f, Nullch, _IOLBF, 0); -#endif - -/* Now our interface to Configure's FILE_xxx macros */ - -#ifdef USE_STDIO_PTR -#define PerlIO_has_cntptr(f) 1 -#define PerlIO_get_ptr(f) PerlSIO_get_ptr(f) -#define PerlIO_get_cnt(f) PerlSIO_get_cnt(f) - -#ifdef STDIO_CNT_LVALUE -#define PerlIO_canset_cnt(f) 1 -#define PerlIO_set_cnt(f,c) PerlSIO_set_cnt(f,c) -#ifdef STDIO_PTR_LVALUE -#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT -#define PerlIO_fast_gets(f) 1 -#endif -#endif /* STDIO_PTR_LVALUE */ -#else /* STDIO_CNT_LVALUE */ -#define PerlIO_canset_cnt(f) 0 -#define PerlIO_set_cnt(f,c) abort() -#endif - -#ifdef STDIO_PTR_LVALUE -#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT -#define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p), PerlIO_set_cnt(f,c);} STMT_END -#else -#ifdef STDIO_PTR_LVAL_SETS_CNT -/* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */ -#define PerlIO_set_ptrcnt(f,p,c) STMT_START {PerlSIO_set_ptr(f,p); assert(PerlSIO_get_cnt(f) == (c));} STMT_END -#define PerlIO_fast_gets(f) 1 -#else -#define PerlIO_set_ptrcnt(f,p,c) abort() -#endif -#endif -#endif - -#else /* USE_STDIO_PTR */ - -#define PerlIO_has_cntptr(f) 0 -#define PerlIO_canset_cnt(f) 0 -#define PerlIO_get_cnt(f) (abort(),0) -#define PerlIO_get_ptr(f) (abort(),(void *)0) -#define PerlIO_set_cnt(f,c) abort() -#define PerlIO_set_ptrcnt(f,p,c) abort() - -#endif /* USE_STDIO_PTR */ - -#ifndef PerlIO_fast_gets -#define PerlIO_fast_gets(f) 0 -#endif - - -#ifdef FILE_base -#define PerlIO_has_base(f) 1 -#define PerlIO_get_base(f) PerlSIO_get_base(f) -#define PerlIO_get_bufsiz(f) PerlSIO_get_bufsiz(f) -#else -#define PerlIO_has_base(f) 0 -#define PerlIO_get_base(f) (abort(),(void *)0) -#define PerlIO_get_bufsiz(f) (abort(),0) -#endif - -#endif /* NETWARE */ -#endif /* PERLIO_IS_STDIO */