1 /* This is part of libio/iostream, providing -*- C++ -*- input/output. 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 Written by Per Bothner (bothner@cygnus.com). */ 26 27 #ifdef __GNUG__ 28 #pragma implementation 29 #endif 30 #define _STREAM_COMPAT 31 extern "C" { 32 #include "libioP.h" 33 } 34 #include <fstream.h> 35 36 inline void 37 fstreambase::__fb_init() 38 { 39 #ifdef _IO_NEW_STREAMS 40 #if !_IO_UNIFIED_JUMPTABLES 41 /* Uses the _IO_file_jump jumptable, for eficiency. */ 42 __my_fb._jumps = &_IO_file_jumps; 43 __my_fb._vtable() = builtinbuf_vtable; 44 #endif 45 init (&__my_fb); 46 #else 47 init(filebuf::__new()); 48 _flags &= ~ios::dont_close; 49 #endif 50 } 51 52 fstreambase::fstreambase() 53 { 54 __fb_init (); 55 } 56 57 fstreambase::fstreambase(int fd) 58 { 59 __fb_init (); 60 _IO_file_attach(rdbuf(), fd); 61 } 62 63 fstreambase::fstreambase(const char *name, int mode, int prot) 64 { 65 __fb_init (); 66 if (!rdbuf()->open(name, mode, prot)) 67 set(ios::badbit); 68 } 69 70 fstreambase::fstreambase(int fd, char *p, int l) 71 { 72 #ifdef _IO_NEW_STREAMS 73 __fb_init (); 74 #else 75 init(filebuf::__new()); 76 #endif 77 _IO_file_attach(rdbuf(), fd); 78 _IO_file_setbuf(rdbuf(), p, l); 79 } 80 81 void fstreambase::open(const char *name, int mode, int prot) 82 { 83 clear(); 84 if (!rdbuf()->open(name, mode, prot)) 85 set(ios::badbit); 86 } 87 88 void fstreambase::close() 89 { 90 if (!rdbuf()->close()) 91 set(ios::failbit); 92 } 93 94 void fstreambase::attach(int fd) 95 { 96 if (!rdbuf()->attach(fd)) 97 set(ios::failbit); 98 } 99 100 #if 0 101 static int mode_to_sys(enum open_mode mode) 102 { 103 return O_WRONLY; 104 } 105 106 static char* fopen_cmd_arg(io_mode i) 107 { 108 return "w"; 109 } 110 #endif 111