diff options
Diffstat (limited to 'libc/stdio/stdio.c')
-rw-r--r-- | libc/stdio/stdio.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/libc/stdio/stdio.c b/libc/stdio/stdio.c deleted file mode 100644 index 1596ebf..0000000 --- a/libc/stdio/stdio.c +++ /dev/null @@ -1,89 +0,0 @@ -/* $OpenBSD: stdio.c,v 1.9 2005/08/08 08:05:36 espie Exp $ */ -/*- - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Chris Torek. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include "local.h" - -/* - * Small standard I/O/seek/close functions. - * These maintain the `known seek offset' for seek optimisation. - */ -int -__sread(void *cookie, char *buf, int n) -{ - FILE *fp = cookie; - int ret; - - ret = read(fp->_file, buf, n); - /* if the read succeeded, update the current offset */ - if (ret >= 0) - fp->_offset += ret; - else - fp->_flags &= ~__SOFF; /* paranoia */ - return (ret); -} - -int -__swrite(void *cookie, const char *buf, int n) -{ - FILE *fp = cookie; - - if (fp->_flags & __SAPP) - (void) lseek(fp->_file, (off_t)0, SEEK_END); - fp->_flags &= ~__SOFF; /* in case FAPPEND mode is set */ - return (write(fp->_file, buf, n)); -} - -fpos_t -__sseek(void *cookie, fpos_t offset, int whence) -{ - FILE *fp = cookie; - off_t ret; - - ret = lseek(fp->_file, (off_t)offset, whence); - if (ret == (off_t)-1) - fp->_flags &= ~__SOFF; - else { - fp->_flags |= __SOFF; - fp->_offset = ret; - } - return (ret); -} - -int -__sclose(void *cookie) -{ - return (close(((FILE *)cookie)->_file)); -} |