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Annotation of GNUtools/libg++/libio/ioprims.c, revision 1.1

1.1     ! root        1: /* 
        !             2: Copyright (C) 1993 Free Software Foundation
        !             3: 
        !             4: This file is part of the GNU IO Library.  This library is free
        !             5: software; you can redistribute it and/or modify it under the
        !             6: terms of the GNU General Public License as published by the
        !             7: Free Software Foundation; either version 2, or (at your option)
        !             8: any later version.
        !             9: 
        !            10: This library is distributed in the hope that it will be useful,
        !            11: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            13: GNU General Public License for more details.
        !            14: 
        !            15: You should have received a copy of the GNU General Public License
        !            16: along with GNU CC; see the file COPYING.  If not, write to
        !            17: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
        !            18: 
        !            19: As a special exception, if you link this library with files
        !            20: compiled with a GNU compiler to produce an executable, this does not cause
        !            21: the resulting executable to be covered by the GNU General Public License.
        !            22: This exception does not however invalidate any other reasons why
        !            23: the executable file might be covered by the GNU General Public License. */
        !            24: 
        !            25: /* I/O OS-level primitives.
        !            26:    Needs to be replaced if not using Unix.
        !            27:    Also needs to be replaced if avoiding name-space pollution
        !            28:    (in which case read would be defined in terms of _IO_read,
        !            29:    rather than vice versa). */
        !            30: 
        !            31: #include "libioP.h"
        !            32: #include <sys/types.h>
        !            33: #include <sys/stat.h>
        !            34: 
        !            35: #ifdef TODO
        !            36: /* Add open, isatty */
        !            37: #endif
        !            38: 
        !            39: _IO_ssize_t
        !            40: _IO_read (fildes, buf, nbyte)
        !            41:      int fildes;
        !            42:      void *buf;
        !            43:      _IO_size_t nbyte;
        !            44: {
        !            45:   return read (fildes, buf, nbyte);
        !            46: }
        !            47: 
        !            48: _IO_ssize_t
        !            49: _IO_write (fildes, buf, nbyte)
        !            50:      int fildes;
        !            51:      const void *buf;
        !            52:      _IO_size_t nbyte;
        !            53: {
        !            54:   return write (fildes, buf, nbyte);
        !            55: }
        !            56: 
        !            57: _IO_off_t
        !            58: _IO_lseek (fildes, offset, whence)
        !            59:      int fildes;
        !            60:      _IO_off_t offset;
        !            61:      int whence;
        !            62: {
        !            63:   return lseek (fildes, offset, whence);
        !            64: }
        !            65: 
        !            66: int
        !            67: _IO_close (fildes)
        !            68:      int fildes;
        !            69: {
        !            70:   return close (fildes);
        !            71: }
        !            72: 
        !            73: int
        !            74: _IO_fstat (fildes, buf)
        !            75:      int fildes;
        !            76:      struct stat *buf;
        !            77: {
        !            78:   return fstat (fildes, buf);
        !            79: }

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