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Diffstat (limited to 'contrib/libg++/libio/filedoalloc.c')
-rw-r--r-- | contrib/libg++/libio/filedoalloc.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/contrib/libg++/libio/filedoalloc.c b/contrib/libg++/libio/filedoalloc.c deleted file mode 100644 index f838bb3458f71..0000000000000 --- a/contrib/libg++/libio/filedoalloc.c +++ /dev/null @@ -1,102 +0,0 @@ -/* -Copyright (C) 1993 Free Software Foundation - -This file is part of the GNU IO Library. This library is free -software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the -Free Software Foundation; either version 2, or (at your option) -any later version. - -This library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this library; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -As a special exception, if you link this library with files -compiled with a GNU compiler to produce an executable, this does not cause -the resulting executable to be covered by the GNU General Public License. -This exception does not however invalidate any other reasons why -the executable file might be covered by the GNU General Public License. */ - -/* - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by the University of California, Berkeley. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -/* Modified for GNU iostream by Per Bothner 1991, 1992. */ - -#define _POSIX_SOURCE -#include "libioP.h" -#include <sys/types.h> -#include <sys/stat.h> -#ifdef __STDC__ -#include <stdlib.h> -#include <unistd.h> -#endif - -/* - * Allocate a file buffer, or switch to unbuffered I/O. - * Per the ANSI C standard, ALL tty devices default to line buffered. - * - * As a side effect, we set __SOPT or __SNPT (en/dis-able fseek - * optimisation) right after the _fstat() that finds the buffer size. - */ - -int -DEFUN(_IO_file_doallocate, (fp), - register _IO_FILE *fp) -{ - register _IO_size_t size; - int couldbetty; - register char *p; - struct stat st; - - /* If _IO_cleanup_registration_needed is non-zero, we should call the - function it points to. This is to make sure _IO_cleanup gets called - on exit. We call it from _IO_file_doallocate, since that is likely - to get called by any program that does buffered I/O. */ - if (_IO_cleanup_registration_needed) - (*_IO_cleanup_registration_needed)(); - - if (fp->_fileno < 0 || _IO_SYSSTAT (fp, &st) < 0) - { - couldbetty = 0; - size = _IO_BUFSIZ; -#if 0 - /* do not try to optimise fseek() */ - fp->_flags |= __SNPT; -#endif - } - else - { - couldbetty = S_ISCHR(st.st_mode); -#if _IO_HAVE_ST_BLKSIZE - size = st.st_blksize <= 0 ? _IO_BUFSIZ : st.st_blksize; -#else - size = _IO_BUFSIZ; -#endif - } - p = ALLOC_BUF(size); - if (p == NULL) - return EOF; - _IO_setb(fp, p, p+size, 1); - if (couldbetty && isatty(fp->_fileno)) - fp->_flags |= _IO_LINE_BUF; - return 1; -} |