Libc-262.tar.gz

[apple/libc.git] / stdio.subproj / fread.c

diff --git a/stdio.subproj/fread.c b/stdio.subproj/fread.c
deleted file mode 100644 (file)
index 5d622ea..0000000
--- a/stdio.subproj/fread.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. 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 <stdio.h>
-#include <string.h>
-
-size_t
-fread(buf, size, count, fp)
-       void *buf;
-       size_t size, count;
-       register FILE *fp;
-{
-       register size_t resid;
-       register char *p;
-       register int r;
-       size_t total;
-
-       /*
-        * The ANSI standard requires a return value of 0 for a count
-        * or a size of 0.  Peculiarily, it imposes no such requirements
-        * on fwrite; it only requires fread to be broken.
-        */
-       if ((resid = count * size) == 0)
-               return (0);
-       if (fp->_r < 0)
-               fp->_r = 0;
-       total = resid;
-       p = buf;
-       while (resid > (r = fp->_r)) {
-               (void)memcpy((void *)p, (void *)fp->_p, (size_t)r);
-               fp->_p += r;
-               /* fp->_r = 0 ... done in __srefill */
-               p += r;
-               resid -= r;
-               if (__srefill(fp)) {
-                       /* no more input: return partial result */
-                       return ((total - resid) / size);
-               }
-       }
-       (void)memcpy((void *)p, (void *)fp->_p, resid);
-       fp->_r -= resid;
-       fp->_p += resid;
-       return (count);
-}