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 this library; see the file COPYING. If not, write to the Free 17 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 (dl@rocky.oswego.edu) 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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()->pubseekoff(i * sz, ios::beg) == EOF) 80 set(ios::badbit); 81 return *this; 82 } 83