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   1  /*    perlsfio.h
   2   *
   3   *    Copyright (C) 1996, 1999, 2000, 2001, 2002, 2003, 2005, 2007,
   4   *    by Larry Wall and others
   5   *
   6   *    You may distribute under the terms of either the GNU General Public
   7   *    License or the Artistic License, as specified in the README file.
   8   *
   9   */
  10  
  11  /* The next #ifdef should be redundant if Configure behaves ... */
  12  #ifndef FILE
  13  #define FILE FILE
  14  #endif
  15  #ifdef I_SFIO
  16  #include <sfio.h>
  17  #endif
  18  
  19  /* sfio 2000 changed _stdopen to _stdfdopen */
  20  #if SFIO_VERSION >= 20000101L
  21  #define _stdopen _stdfdopen
  22  #endif
  23  
  24  extern Sfio_t*    _stdopen _ARG_((int, const char*));
  25  extern int    _stdprintf _ARG_((const char*, ...));
  26  
  27  #define PerlIO                Sfio_t
  28  #define PerlIO_stderr()            sfstderr
  29  #define PerlIO_stdout()            sfstdout
  30  #define PerlIO_stdin()            sfstdin
  31  
  32  #define PerlIO_isutf8(f)        0
  33  
  34  #define PerlIO_printf            sfprintf
  35  #define PerlIO_stdoutf            _stdprintf
  36  #define PerlIO_vprintf(f,fmt,a)        sfvprintf(f,fmt,a)
  37  #define PerlIO_read(f,buf,count)    sfread(f,buf,count)
  38  #define PerlIO_write(f,buf,count)    sfwrite(f,buf,count)
  39  #define PerlIO_open(path,mode)        sfopen(NULL,path,mode)
  40  #define PerlIO_fdopen(fd,mode)        _stdopen(fd,mode)
  41  #define PerlIO_reopen(path,mode,f)    sfopen(f,path,mode)
  42  #define PerlIO_close(f)            sfclose(f)
  43  #define PerlIO_puts(f,s)        sfputr(f,s,-1)
  44  #define PerlIO_putc(f,c)        sfputc(f,c)
  45  #define PerlIO_ungetc(f,c)        sfungetc(f,c)
  46  #define PerlIO_sprintf            sfsprintf
  47  #define PerlIO_getc(f)            sfgetc(f)
  48  #define PerlIO_eof(f)            sfeof(f)
  49  #define PerlIO_error(f)            sferror(f)
  50  #define PerlIO_fileno(f)        sffileno(f)
  51  #define PerlIO_clearerr(f)        sfclrerr(f)
  52  #define PerlIO_flush(f)            sfsync(f)
  53  #define PerlIO_tell(f)            sftell(f)
  54  #define PerlIO_seek(f,o,w)        sfseek(f,o,w)
  55  #define PerlIO_rewind(f)        (void) sfseek((f),0L,0)
  56  #define PerlIO_tmpfile()        sftmp(0)
  57  #define PerlIO_exportFILE(f,fl)        Perl_croak(aTHX_ "Export to FILE * unimplemented")
  58  #define PerlIO_releaseFILE(p,f)        Perl_croak(aTHX_ "Release of FILE * unimplemented")
  59  
  60  #define PerlIO_setlinebuf(f)        sfset(f,SF_LINE,1)
  61  
  62  /* Now our interface to equivalent of Configure's FILE_xxx macros */
  63  
  64  #define PerlIO_has_cntptr(f)        1
  65  #define PerlIO_get_ptr(f)        ((f)->next)
  66  #define PerlIO_get_cnt(f)        ((f)->endr - (f)->next)
  67  #define PerlIO_canset_cnt(f)        1
  68  #define PerlIO_fast_gets(f)        1
  69  #define PerlIO_set_ptrcnt(f,p,c)    STMT_START {(f)->next = (unsigned char *)(p); assert(PerlIO_get_cnt(f) == (c));} STMT_END
  70  #define PerlIO_set_cnt(f,c)        STMT_START {(f)->next = (f)->endr - (c);} STMT_END
  71  
  72  #define PerlIO_has_base(f)        1
  73  #define PerlIO_get_base(f)        ((f)->data)
  74  #define PerlIO_get_bufsiz(f)        ((f)->endr - (f)->data)
  75  
  76