323 lines
9.0 KiB
C
323 lines
9.0 KiB
C
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/*
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* Although we may not want stdio to be used including <stdio.h> here
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* avoids issues where stdio.h has strange side effects
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*/
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#include <stdio.h>
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#ifdef PERLIO_IS_STDIO
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/*
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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() stderr
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#define PerlIO_stdout() stdout
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#define PerlIO_stdin() stdin
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#define PerlIO_printf fprintf
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#define PerlIO_stdoutf printf
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#define PerlIO_vprintf(f,fmt,a) vfprintf(f,fmt,a)
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#define PerlIO_write(f,buf,count) fwrite1(buf,1,count,f)
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#define PerlIO_open fopen
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#define PerlIO_fdopen fdopen
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#define PerlIO_reopen freopen
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#define PerlIO_close(f) fclose(f)
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#define PerlIO_puts(f,s) fputs(s,f)
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#define PerlIO_putc(f,c) 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 accomodate 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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#else
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# define PerlIO_ungetc(f,c) ungetc(c,f)
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# define PerlIO_getc(f) getc(f)
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# define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f)
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#endif
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#define PerlIO_eof(f) feof(f)
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#define PerlIO_getname(f,b) fgetname(f,b)
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#define PerlIO_error(f) ferror(f)
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#define PerlIO_fileno(f) fileno(f)
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#define PerlIO_clearerr(f) clearerr(f)
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#define PerlIO_flush(f) Fflush(f)
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#define PerlIO_tell(f) ftell(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) fseek(f,o,w)
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#endif
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#ifdef HAS_FGETPOS
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#define PerlIO_getpos(f,p) fgetpos(f,p)
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#endif
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#ifdef HAS_FSETPOS
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#define PerlIO_setpos(f,p) fsetpos(f,p)
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#endif
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#define PerlIO_rewind(f) rewind(f)
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#define PerlIO_tmpfile() 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) setlinebuf(f);
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#else
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#define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _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) FILE_ptr(f)
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#define PerlIO_get_cnt(f) FILE_cnt(f)
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#ifdef STDIO_CNT_LVALUE
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#define PerlIO_canset_cnt(f) 1
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#ifdef STDIO_PTR_LVALUE
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#define PerlIO_fast_gets(f) 1
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#endif
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#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
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#else
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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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#define PerlIO_set_ptrcnt(f,p,c) (FILE_ptr(f) = (p), PerlIO_set_cnt(f,c))
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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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#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) FILE_base(f)
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#define PerlIO_get_bufsiz(f) FILE_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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#else /* PERLIO_IS_STDIO */
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#ifdef PERL_CORE
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#ifndef PERLIO_NOT_STDIO
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#define PERLIO_NOT_STDIO 1
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#endif
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#endif
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#ifdef PERLIO_NOT_STDIO
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#if PERLIO_NOT_STDIO
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/*
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* Strong denial of stdio - make all stdio calls (we can think of) errors
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*/
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#include "nostdio.h"
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#undef fprintf
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#undef tmpfile
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#undef fclose
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#undef fopen
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#undef vfprintf
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#undef fgetc
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#undef fputc
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#undef fputs
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#undef ungetc
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#undef fread
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#undef fwrite
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#undef fgetpos
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#undef fseek
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#undef fsetpos
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#undef ftell
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#undef rewind
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#undef fdopen
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#undef popen
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#undef pclose
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#undef getw
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#undef putw
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#undef freopen
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#undef setbuf
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#undef setvbuf
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#undef fscanf
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#undef fgets
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#undef getc_unlocked
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#undef putc_unlocked
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#define fprintf _CANNOT _fprintf_
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#define stdin _CANNOT _stdin_
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#define stdout _CANNOT _stdout_
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#define stderr _CANNOT _stderr_
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#define tmpfile() _CANNOT _tmpfile_
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#define fclose(f) _CANNOT _fclose_
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#define fflush(f) _CANNOT _fflush_
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#define fopen(p,m) _CANNOT _fopen_
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#define freopen(p,m,f) _CANNOT _freopen_
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#define setbuf(f,b) _CANNOT _setbuf_
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#define setvbuf(f,b,x,s) _CANNOT _setvbuf_
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#define fscanf _CANNOT _fscanf_
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#define vfprintf(f,fmt,a) _CANNOT _vfprintf_
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#define fgetc(f) _CANNOT _fgetc_
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#define fgets(s,n,f) _CANNOT _fgets_
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#define fputc(c,f) _CANNOT _fputc_
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#define fputs(s,f) _CANNOT _fputs_
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#define getc(f) _CANNOT _getc_
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#define putc(c,f) _CANNOT _putc_
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#define ungetc(c,f) _CANNOT _ungetc_
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#define fread(b,s,c,f) _CANNOT _fread_
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#define fwrite(b,s,c,f) _CANNOT _fwrite_
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#define fgetpos(f,p) _CANNOT _fgetpos_
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#define fseek(f,o,w) _CANNOT _fseek_
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#define fsetpos(f,p) _CANNOT _fsetpos_
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#define ftell(f) _CANNOT _ftell_
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#define rewind(f) _CANNOT _rewind_
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#define clearerr(f) _CANNOT _clearerr_
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#define feof(f) _CANNOT _feof_
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#define ferror(f) _CANNOT _ferror_
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#define __filbuf(f) _CANNOT __filbuf_
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#define __flsbuf(c,f) _CANNOT __flsbuf_
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#define _filbuf(f) _CANNOT _filbuf_
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#define _flsbuf(c,f) _CANNOT _flsbuf_
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#define fdopen(fd,p) _CANNOT _fdopen_
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#define fileno(f) _CANNOT _fileno_
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#define flockfile(f) _CANNOT _flockfile_
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#define ftrylockfile(f) _CANNOT _ftrylockfile_
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#define funlockfile(f) _CANNOT _funlockfile_
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#define getc_unlocked(f) _CANNOT _getc_unlocked_
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#define putc_unlocked(c,f) _CANNOT _putc_unlocked_
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#define popen(c,m) _CANNOT _popen_
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#define getw(f) _CANNOT _getw_
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#define putw(v,f) _CANNOT _putw_
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#define pclose(f) _CANNOT _pclose_
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#else /* if PERLIO_NOT_STDIO */
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/*
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* PERLIO_NOT_STDIO defined as 0
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* Declares that both PerlIO and stdio can be used
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*/
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#endif /* if PERLIO_NOT_STDIO */
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#else /* ifdef PERLIO_NOT_STDIO */
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/*
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* PERLIO_NOT_STDIO not defined
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* This is "source level" stdio compatibility mode.
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*/
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#include "nostdio.h"
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#undef FILE
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#define FILE PerlIO
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#undef fprintf
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#undef tmpfile
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#undef fclose
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#undef fopen
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#undef vfprintf
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#undef fgetc
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#undef getc_unlocked
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#undef fputc
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#undef putc_unlocked
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#undef fputs
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#undef ungetc
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#undef fread
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#undef fwrite
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#undef fgetpos
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#undef fseek
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#undef fsetpos
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#undef ftell
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#undef rewind
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#undef fdopen
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#undef popen
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#undef pclose
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#undef getw
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#undef putw
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#undef freopen
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#undef setbuf
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#undef setvbuf
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#undef fscanf
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#undef fgets
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#define fprintf PerlIO_printf
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#define stdin PerlIO_stdin()
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#define stdout PerlIO_stdout()
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#define stderr PerlIO_stderr()
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#define tmpfile() PerlIO_tmpfile()
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#define fclose(f) PerlIO_close(f)
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#define fflush(f) PerlIO_flush(f)
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#define fopen(p,m) PerlIO_open(p,m)
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#define vfprintf(f,fmt,a) PerlIO_vprintf(f,fmt,a)
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#define fgetc(f) PerlIO_getc(f)
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#define fputc(c,f) PerlIO_putc(f,c)
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#define fputs(s,f) PerlIO_puts(f,s)
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#define getc(f) PerlIO_getc(f)
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#ifdef getc_unlocked
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#undef getc_unlocked
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#endif
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#define getc_unlocked(f) PerlIO_getc(f)
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#define putc(c,f) PerlIO_putc(f,c)
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#ifdef putc_unlocked
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#undef putc_unlocked
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#endif
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#define putc_unlocked(c,f) PerlIO_putc(c,f)
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#define ungetc(c,f) PerlIO_ungetc(f,c)
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#if 0
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/* return values of read/write need work */
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#define fread(b,s,c,f) PerlIO_read(f,b,(s*c))
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#define fwrite(b,s,c,f) PerlIO_write(f,b,(s*c))
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#else
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#define fread(b,s,c,f) _CANNOT fread
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#define fwrite(b,s,c,f) _CANNOT fwrite
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#endif
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#define fgetpos(f,p) PerlIO_getpos(f,p)
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#define fseek(f,o,w) PerlIO_seek(f,o,w)
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#define fsetpos(f,p) PerlIO_setpos(f,p)
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#define ftell(f) PerlIO_tell(f)
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#define rewind(f) PerlIO_rewind(f)
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#define clearerr(f) PerlIO_clearerr(f)
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#define feof(f) PerlIO_eof(f)
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#define ferror(f) PerlIO_error(f)
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#define fdopen(fd,p) PerlIO_fdopen(fd,p)
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#define fileno(f) PerlIO_fileno(f)
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#define popen(c,m) my_popen(c,m)
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#define pclose(f) my_pclose(f)
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#define __filbuf(f) _CANNOT __filbuf_
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#define _filbuf(f) _CANNOT _filbuf_
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#define __flsbuf(c,f) _CANNOT __flsbuf_
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#define _flsbuf(c,f) _CANNOT _flsbuf_
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#define getw(f) _CANNOT _getw_
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#define putw(v,f) _CANNOT _putw_
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#define flockfile(f) _CANNOT _flockfile_
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#define ftrylockfile(f) _CANNOT _ftrylockfile_
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#define funlockfile(f) _CANNOT _funlockfile_
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#define freopen(p,m,f) _CANNOT _freopen_
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#define setbuf(f,b) _CANNOT _setbuf_
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#define setvbuf(f,b,x,s) _CANNOT _setvbuf_
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#define fscanf _CANNOT _fscanf_
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#define fgets(s,n,f) _CANNOT _fgets_
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#endif /* ifdef PERLIO_NOT_STDIO */
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#endif /* PERLIO_IS_STDIO */
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