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Annotation of GNUtools/libg++/libio/SFile.cc, 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: /* 
        !            26: Copyright (C) 1988 Free Software Foundation
        !            27:     written by Doug Lea ([email protected])
        !            28: 
        !            29: This file is part of the GNU C++ Library.  This library is free
        !            30: software; you can redistribute it and/or modify it under the terms of
        !            31: the GNU Library General Public License as published by the Free
        !            32: Software Foundation; either version 2 of the License, or (at your
        !            33: option) any later version.  This library is distributed in the hope
        !            34: that it will be useful, but WITHOUT ANY WARRANTY; without even the
        !            35: implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
        !            36: PURPOSE.  See the GNU Library General Public License for more details.
        !            37: You should have received a copy of the GNU Library General Public
        !            38: License along with this library; if not, write to the Free Software
        !            39: Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
        !            40: */
        !            41: 
        !            42: #ifdef __GNUG__
        !            43: #pragma implementation
        !            44: #endif
        !            45: #include <SFile.h>
        !            46: 
        !            47: SFile::SFile(const char *filename, int size, int mode, int prot)
        !            48: : fstream(filename, mode, prot)
        !            49: { 
        !            50:   sz = size; 
        !            51: }
        !            52: 
        !            53: SFile::SFile(int fd, int size)
        !            54: : fstream(fd)
        !            55: { 
        !            56:   sz = size; 
        !            57: }
        !            58: 
        !            59: void SFile::open(const char *name, int size, int mode, int prot)
        !            60: {
        !            61:     fstream::open(name, mode, prot);
        !            62:     sz = size;
        !            63: }
        !            64: 
        !            65: SFile& SFile::get(void* x)
        !            66: {
        !            67:     read(x, sz);
        !            68:     return *this;
        !            69: }
        !            70: 
        !            71: SFile& SFile::put(void* x)
        !            72: {
        !            73:     write(x, sz);
        !            74:     return *this;
        !            75: }
        !            76: 
        !            77: SFile& SFile::operator[](long i)
        !            78: {
        !            79:     if (rdbuf()->sseekoff(i * sz, ios::beg) == EOF)
        !            80:        set(ios::badbit);
        !            81:     return *this;
        !            82: }

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