X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/760ac839baf413929cd31cc32ffd6dba6b781a81..94a75ecf43c2b2684fcdd148754a11f69c3c3ab2:/perlsdio.h diff --git a/perlsdio.h b/perlsdio.h index 038148f..25d6b36 100644 --- a/perlsdio.h +++ b/perlsdio.h @@ -1,230 +1,164 @@ -/* - * Although we may not want stdio to be used including here - * avoids issues where stdio.h has strange side effects +/* perlsdio.h + * + * 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. + * */ -#include #ifdef PERLIO_IS_STDIO + +#ifdef NETWARE + #include "nwstdio.h" +#else + /* + * This file #define-s the PerlIO_xxx abstraction onto stdio functions. * Make this as close to original stdio as possible. */ -#define PerlIO FILE -#define PerlIO_stderr() stderr -#define PerlIO_stdout() stdout -#define PerlIO_stdin() stdin - -#define PerlIO_printf fprintf -#define PerlIO_stdoutf printf -#define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a) -#define PerlIO_read(f,buf,count) fread(buf,1,count,f) -#define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f) -#define PerlIO_open(path,mode) fopen(path,mode) -#define PerlIO_fdopen(fd,mode) fdopen(fd,mode) -#define PerlIO_close(f) fclose(f) -#define PerlIO_puts(f,s) fputs(s,f) -#define PerlIO_putc(f,c) fputc(c,f) -#define PerlIO_ungetc(f,c) ungetc(c,f) -#define PerlIO_getc(f) getc(f) -#define PerlIO_eof(f) feof(f) -#define PerlIO_error(f) ferror(f) -#define PerlIO_fileno(f) fileno(f) -#define PerlIO_clearerr(f) clearerr(f) -#define PerlIO_flush(f) Fflush(f) -#define PerlIO_tell(f) ftell(f) -#define PerlIO_seek(f,o,w) fseek(f,o,w) -#ifdef HAS_FGETPOS -#define PerlIO_getpos(f,p) fgetpos(f,p) +#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(s,f) +#define PerlIO_putc(f,c) PerlSIO_fputc(c,f) +#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 -#ifdef HAS_FSETPOS -#define PerlIO_setpos(f,p) fsetpos(f,p) +#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) rewind(f) -#define PerlIO_tmpfile() tmpfile() +#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) +#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) setlinebuf(f); +#define PerlIO_setlinebuf(f) PerlSIO_setlinebuf(f); #else -#define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0); +#define PerlIO_setlinebuf(f) PerlSIO_setvbuf(f, NULL, _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) FILE_ptr(f) -#define PerlIO_get_cnt(f) FILE_cnt(f) - -#ifdef FILE_CNT_LVALUE -#define PerlIO_canset_cnt(f) 1 -#ifdef FILE_PTR_LVALUE -#define PerlIO_fast_gets(f) 1 +#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 -#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c)) -#else -#define PerlIO_canset_cnt(f) 0 +#endif /* STDIO_PTR_LVALUE */ +#else /* STDIO_CNT_LVALUE */ +#define PerlIO_canset_cnt(f) 0 #define PerlIO_set_cnt(f,c) abort() #endif -#ifdef FILE_PTR_LVALUE -#define PerlIO_set_ptrcnt(f,p,c) (FILE_ptr(f) = (p), PerlIO_set_cnt(f,c)) +#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_get_cnt(f) abort() -#define PerlIO_get_ptr(f) abort() +#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 +#define PerlIO_fast_gets(f) 0 #endif #ifdef FILE_base -#define PerlIO_has_base(f) 1 -#define PerlIO_get_base(f) FILE_base(f) -#define PerlIO_get_bufsiz(f) FILE_bufsiz(f) +#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() -#define PerlIO_get_bufsiz(f) abort() -#endif -#else /* PERLIO_IS_STDIO */ -#ifdef PERL_CORE -#ifndef PERLIO_NOT_STDIO -#define PERLIO_NOT_STDIO 1 +#define PerlIO_get_base(f) (abort(),(void *)0) +#define PerlIO_get_bufsiz(f) (abort(),0) #endif -#endif -#ifdef PERLIO_NOT_STDIO -#if PERLIO_NOT_STDIO -/* - * Strong denial of stdio - make all stdio calls (we can think of) errors - */ -#include "nostdio.h" -#define fprintf _CANNOT _fprintf_ -#define stdin _CANNOT _stdin_ -#define stdout _CANNOT _stdout_ -#define stderr _CANNOT _stderr_ -#define tmpfile() _CANNOT _tmpfile_ -#define fclose(f) _CANNOT _fclose_ -#define fflush(f) _CANNOT _fflush_ -#define fopen(p,m) _CANNOT _fopen_ -#define freopen(p,m,f) _CANNOT _freopen_ -#define setbuf(f,b) _CANNOT _setbuf_ -#define setvbuf(f,b,x,s) _CANNOT _setvbuf_ -#define fscanf _CANNOT _fscanf_ -#define vfprintf(f,fmt,a) _CANNOT _vfprintf_ -#define fgetc(f) _CANNOT _fgetc_ -#define fgets(s,n,f) _CANNOT _fgets_ -#define fputc(c,f) _CANNOT _fputc_ -#define fputs(s,f) _CANNOT _fputs_ -#define getc(f) _CANNOT _getc_ -#define putc(c,f) _CANNOT _putc_ -#define ungetc(c,f) _CANNOT _ungetc_ -#define fread(b,s,c,f) _CANNOT _fread_ -#define fwrite(b,s,c,f) _CANNOT _fwrite_ -#define fgetpos(f,p) _CANNOT _fgetpos_ -#define fseek(f,o,w) _CANNOT _fseek_ -#define fsetpos(f,p) _CANNOT _fsetpos_ -#define ftell(f) _CANNOT _ftell_ -#define rewind(f) _CANNOT _rewind_ -#define clearerr(f) _CANNOT _clearerr_ -#define feof(f) _CANNOT _feof_ -#define ferror(f) _CANNOT _ferror_ -#define __filbuf(f) _CANNOT __filbuf_ -#define __flsbuf(c,f) _CANNOT __flsbuf_ -#define _filbuf(f) _CANNOT _filbuf_ -#define _flsbuf(c,f) _CANNOT _flsbuf_ -#define fdopen(fd,p) _CANNOT _fdopen_ -#define fileno(f) _CANNOT _fileno_ -#define flockfile(f) _CANNOT _flockfile_ -#define ftrylockfile(f) _CANNOT _ftrylockfile_ -#define funlockfile(f) _CANNOT _funlockfile_ -#define getc_unlocked(f) _CANNOT _getc_unlocked_ -#define putc_unlocked(c,f) _CANNOT _putc_unlocked_ -#define popen(c,m) _CANNOT _popen_ -#define getw(f) _CANNOT _getw_ -#define putw(v,f) _CANNOT _putw_ -#define pclose(f) _CANNOT _pclose_ - -#else /* if PERLIO_NOT_STDIO */ -/* - * PERLIO_NOT_STDIO defined as 0 - * Declares that both PerlIO and stdio can be used - */ -#endif /* if PERLIO_NOT_STDIO */ -#else /* ifdef PERLIO_NOT_STDIO */ + +#endif /* NETWARE */ +#endif /* PERLIO_IS_STDIO */ + /* - * PERLIO_NOT_STDIO not defined - * This is "source level" stdio compatibility mode. + * Local variables: + * c-indentation-style: bsd + * c-basic-offset: 4 + * indent-tabs-mode: t + * End: + * + * ex: set ts=8 sts=4 sw=4 noet: */ -#include "nostdio.h" -#undef FILE -#define FILE PerlIO -#define fprintf PerlIO_printf -#define stdin PerlIO_stdin() -#define stdout PerlIO_stdout() -#define stderr PerlIO_stderr() -#define tmpfile() PerlIO_tmpfile() -#define fclose(f) PerlIO_close(f) -#define fflush(f) PerlIO_flush(f) -#define fopen(p,m) PerlIO_open(p,m) -#define vfprintf(f,fmt,a) PerlIO_vprintf(f,fmt,a) -#define fgetc(f) PerlIO_getc(f) -#define fputc(c,f) PerlIO_putc(f,c) -#define fputs(s,f) PerlIO_puts(f,s) -#define getc(f) PerlIO_getc(f) -#define getc_unlocked(f) PerlIO_getc(f) -#define putc(c,f) PerlIO_putc(f,c) -#define putc_unlocked(c,f) PerlIO_putc(c,f) -#define ungetc(c,f) PerlIO_ungetc(f,c) -#if 0 -/* return values of read/write need work */ -#define fread(b,s,c,f) PerlIO_read(f,b,(s*c)) -#define fwrite(b,s,c,f) PerlIO_write(f,b,(s*c)) -#else -#define fread(b,s,c,f) _CANNOT fread -#define fwrite(b,s,c,f) _CANNOT fwrite -#endif -#define fgetpos(f,p) PerlIO_getpos(f,p) -#define fseek(f,o,w) PerlIO_seek(f,o,w) -#define fsetpos(f,p) PerlIO_setpos(f,p) -#define ftell(f) PerlIO_tell(f) -#define rewind(f) PerlIO_rewind(f) -#define clearerr(f) PerlIO_clearerr(f) -#define feof(f) PerlIO_eof(f) -#define ferror(f) PerlIO_error(f) -#define fdopen(fd,p) PerlIO_fdopen(fd,p) -#define fileno(f) PerlIO_fileno(f) -#define popen(c,m) my_popen(c,m) -#define pclose(f) my_pclose(f) - -#define __filbuf(f) _CANNOT __filbuf_ -#define _filbuf(f) _CANNOT _filbuf_ -#define __flsbuf(c,f) _CANNOT __flsbuf_ -#define _flsbuf(c,f) _CANNOT _flsbuf_ -#define getw(f) _CANNOT _getw_ -#define putw(v,f) _CANNOT _putw_ -#define flockfile(f) _CANNOT _flockfile_ -#define ftrylockfile(f) _CANNOT _ftrylockfile_ -#define funlockfile(f) _CANNOT _funlockfile_ -#define freopen(p,m,f) _CANNOT _freopen_ -#define setbuf(f,b) _CANNOT _setbuf_ -#define setvbuf(f,b,x,s) _CANNOT _setvbuf_ -#define fscanf _CANNOT _fscanf_ -#define fgets(s,n,f) _CANNOT _fgets_ - -#endif /* ifdef PERLIO_NOT_STDIO */ -#endif /* PERLIO_IS_STDIO */