diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/stdio/common/fread.c')
-rw-r--r-- | usr/src/lib/libbc/libc/stdio/common/fread.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/usr/src/lib/libbc/libc/stdio/common/fread.c b/usr/src/lib/libbc/libc/stdio/common/fread.c deleted file mode 100644 index 0a0aeea727..0000000000 --- a/usr/src/lib/libbc/libc/stdio/common/fread.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 1986 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1984 AT&T */ -/* All Rights Reserved */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -/*LINTLIBRARY*/ -/* - * This version reads directly from the buffer rather than looping on getc. - * Ptr args aren't checked for NULL because the program would be a - * catastrophic mess anyway. Better to abort than just to return NULL. - */ -#include <stdio.h> -#include "stdiom.h" -#include <memory.h> - -#define MIN(x, y) (x < y ? x : y) - -extern int _filbuf(); - -int -fread(char *ptr, int size, int count, FILE *iop) -{ - unsigned int nleft; - int n; - - if (size <= 0 || count <= 0) return 0; - nleft = count * size; - - /* Put characters in the buffer */ - /* note that the meaning of n when just starting this loop is - irrelevant. It is defined in the loop */ - for ( ; ; ) { - if (iop->_cnt <= 0) { /* empty buffer */ - if (_filbuf(iop) == EOF) - return (count - (nleft + size - 1)/size); - iop->_ptr--; - iop->_cnt++; - } - n = MIN(nleft, iop->_cnt); - ptr = memcpy(ptr, (char *) iop->_ptr, n) + n; - iop->_cnt -= n; - iop->_ptr += n; - _BUFSYNC(iop); - if ((nleft -= n) == 0) - return (count); - } -} |