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9844fbc3b5
freebsd/contrib/perl5/perlsdio.h
Mark Murray 120a02d4f3 Vendor import of Perl 5.006
2000-06-25 11:04:01 +00:00

329 lines
9.2 KiB
C
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/*
* Although we may not want stdio to be used including <stdio.h> here
* avoids issues where stdio.h has strange side effects
*/
#include <stdio.h>
#ifdef PERLIO_IS_STDIO
/*
* 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_write(f,buf,count) fwrite1(buf,1,count,f)
#define PerlIO_open fopen
#define PerlIO_fdopen fdopen
#define PerlIO_reopen freopen
#define PerlIO_close(f) fclose(f)
#define PerlIO_puts(f,s) fputs(s,f)
#define PerlIO_putc(f,c) 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))
#else
# define PerlIO_ungetc(f,c) ungetc(c,f)
# define PerlIO_getc(f) getc(f)
# define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f)
#endif
#define PerlIO_eof(f) feof(f)
#define PerlIO_getname(f,b) fgetname(f,b)
#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)
#if defined(USE_64_BIT_STDIO) && defined(HAS_FTELLO) && !defined(USE_FTELL64)
#define ftell ftello
#endif
#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) fseek(f,o,w)
#endif
#if defined(USE_64_BIT_STDIO) && defined(HAS_FSEEKO) && !defined(USE_FSEEK64)
#define fseek fseeko
#endif
#ifdef HAS_FGETPOS
#define PerlIO_getpos(f,p) fgetpos(f,p)
#endif
#ifdef HAS_FSETPOS
#define PerlIO_setpos(f,p) fsetpos(f,p)
#endif
#define PerlIO_rewind(f) rewind(f)
#define PerlIO_tmpfile() 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) setlinebuf(f);
#else
#define PerlIO_setlinebuf(f) 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) FILE_ptr(f)
#define PerlIO_get_cnt(f) FILE_cnt(f)
#ifdef STDIO_CNT_LVALUE
#define PerlIO_canset_cnt(f) 1
#ifdef STDIO_PTR_LVALUE
#define PerlIO_fast_gets(f) 1
#endif
#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
#else
#define PerlIO_canset_cnt(f) 0
#define PerlIO_set_cnt(f,c) abort()
#endif
#ifdef STDIO_PTR_LVALUE
#define PerlIO_set_ptrcnt(f,p,c) (FILE_ptr(f) = (p), PerlIO_set_cnt(f,c))
#else
#define PerlIO_set_ptrcnt(f,p,c) abort()
#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) FILE_base(f)
#define PerlIO_get_bufsiz(f) FILE_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
#else /* PERLIO_IS_STDIO */
#ifdef PERL_CORE
#ifndef PERLIO_NOT_STDIO
#define PERLIO_NOT_STDIO 1
#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"
#undef fprintf
#undef tmpfile
#undef fclose
#undef fopen
#undef vfprintf
#undef fgetc
#undef fputc
#undef fputs
#undef ungetc
#undef fread
#undef fwrite
#undef fgetpos
#undef fseek
#undef fsetpos
#undef ftell
#undef rewind
#undef fdopen
#undef popen
#undef pclose
#undef getw
#undef putw
#undef freopen
#undef setbuf
#undef setvbuf
#undef fscanf
#undef fgets
#undef getc_unlocked
#undef putc_unlocked
#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 */
/*
* PERLIO_NOT_STDIO not defined
* This is "source level" stdio compatibility mode.
*/
#include "nostdio.h"
#undef FILE
#define FILE PerlIO
#undef fprintf
#undef tmpfile
#undef fclose
#undef fopen
#undef vfprintf
#undef fgetc
#undef getc_unlocked
#undef fputc
#undef putc_unlocked
#undef fputs
#undef ungetc
#undef fread
#undef fwrite
#undef fgetpos
#undef fseek
#undef fsetpos
#undef ftell
#undef rewind
#undef fdopen
#undef popen
#undef pclose
#undef getw
#undef putw
#undef freopen
#undef setbuf
#undef setvbuf
#undef fscanf
#undef fgets
#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)
#ifdef getc_unlocked
#undef getc_unlocked
#endif
#define getc_unlocked(f) PerlIO_getc(f)
#define putc(c,f) PerlIO_putc(f,c)
#ifdef putc_unlocked
#undef putc_unlocked
#endif
#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 */
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