binmode()
public
Puts ios into binary mode. This is useful only in MS-DOS/Windows
environments. Once a stream is in binary mode, it cannot be reset to
nonbinary mode.
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/*
* call-seq:
* ios.binmode => ios
*
* Puts <em>ios</em> into binary mode. This is useful only in
* MS-DOS/Windows environments. Once a stream is in binary mode, it
* cannot be reset to nonbinary mode.
*/
VALUE
rb_io_binmode(io)
VALUE io;
{
#if defined(_WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(__human68k__) || defined(__EMX__)
OpenFile *fptr;
GetOpenFile(io, fptr);
#ifdef __human68k__
if (fptr->f)
fmode(fptr->f, _IOBIN);
if (fptr->f2)
fmode(fptr->f2, _IOBIN);
#else
if (fptr->f && setmode(fileno(fptr->f), O_BINARY) == -1)
rb_sys_fail(fptr->path);
if (fptr->f2 && setmode(fileno(fptr->f2), O_BINARY) == -1)
rb_sys_fail(fptr->path);
#endif
fptr->mode |= FMODE_BINMODE;
#endif
return io;
}