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Diffstat (limited to 'newlib/libc/stdio/fwide.c')
-rw-r--r-- | newlib/libc/stdio/fwide.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/newlib/libc/stdio/fwide.c b/newlib/libc/stdio/fwide.c deleted file mode 100644 index e298f911a..000000000 --- a/newlib/libc/stdio/fwide.c +++ /dev/null @@ -1,89 +0,0 @@ -/* -FUNCTION -<<fwide>>---set and determine the orientation of a FILE stream - -INDEX - fwide -INDEX - _fwide_r - -ANSI_SYNOPSIS - #include <wchar.h> - int fwide(FILE *<[fp]>, int <[mode]>) - - int _fwide_r(struct _reent *<[ptr]>, FILE *<[fp]>, int <[mode]>) - -TRAD_SYNOPSIS - #include <wchar.h> - int fwide(<[fp]>, <[mode]>) - FILE *<[fp]>; - int <[mode]>; - - int _fwide_r(<[ptr]>, <[fp]>, <[mode]>) - struct _reent *<[ptr]>; - FILE *<[fp]>; - int <[mode]>; - -DESCRIPTION -When <[mode]> is zero, the <<fwide>> function determines the current -orientation of <[fp]>. It returns a value > 0 if <[fp]> is -wide-character oriented, i.e. if wide character I/O is permitted but -char I/O is disallowed. It returns a value < 0 if <[fp]> is byte -oriented, i.e. if char I/O is permitted but wide character I/O is -disallowed. It returns zero if <[fp]> has no orientation yet; in -this case the next I/O operation might change the orientation (to byte -oriented if it is a char I/O operation, or to wide-character oriented -if it is a wide character I/O operation). - -Once a stream has an orientation, it cannot be changed and persists -until the stream is closed, unless the stream is re-opened with freopen, -which removes the orientation of the stream. - -When <[mode]> is non-zero, the <<fwide>> function first attempts to set -<[fp]>'s orientation (to wide-character oriented if <[mode]> > 0, or to -byte oriented if <[mode]> < 0). It then returns a value denoting the -current orientation, as above. - -RETURNS -The <<fwide>> function returns <[fp]>'s orientation, after possibly -changing it. A return value > 0 means wide-character oriented. A return -value < 0 means byte oriented. A return value of zero means undecided. - -PORTABILITY -C99, POSIX.1-2001. - -*/ - -#include <_ansi.h> -#include <wchar.h> -#include "local.h" - -int -_DEFUN(_fwide_r, (ptr, fp, mode), - struct _reent *ptr _AND - FILE *fp _AND - int mode) -{ - int ret; - - CHECK_INIT(ptr, fp); - - _flockfile (fp); - if (mode != 0) { - ORIENT (fp, mode); - } - if (!(fp->_flags & __SORD)) - ret = 0; - else - ret = (fp->_flags2 & __SWID) ? 1 : -1; - _funlockfile (fp); - return ret; -} - -int -_DEFUN(fwide, (fp, mode), - FILE *fp _AND - int mode) -{ - return _fwide_r (_REENT, fp, mode); -} |