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-rw-r--r--lib/libc/stdio/fread.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/lib/libc/stdio/fread.c b/lib/libc/stdio/fread.c
deleted file mode 100644
index ad3ea29..0000000
--- a/lib/libc/stdio/fread.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*-
- * 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.
- * 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)fread.c 8.2 (Berkeley) 12/11/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "namespace.h"
-#include <errno.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include "un-namespace.h"
-#include "local.h"
-#include "libc_private.h"
-
-/*
- * MT-safe version
- */
-
-size_t
-fread(void * __restrict buf, size_t size, size_t count, FILE * __restrict fp)
-{
- size_t ret;
-
- FLOCKFILE(fp);
- ret = __fread(buf, size, count, fp);
- FUNLOCKFILE(fp);
- return (ret);
-}
-
-size_t
-__fread(void * __restrict buf, size_t size, size_t count, FILE * __restrict fp)
-{
- size_t resid;
- char *p;
- int r;
- size_t total;
-
- /*
- * ANSI and SUSv2 require a return value of 0 if size or count are 0.
- */
- if ((count == 0) || (size == 0))
- return (0);
-
- /*
- * Check for integer overflow. As an optimization, first check that
- * at least one of {count, size} is at least 2^16, since if both
- * values are less than that, their product can't possible overflow
- * (size_t is always at least 32 bits on FreeBSD).
- */
- if (((count | size) > 0xFFFF) &&
- (count > SIZE_MAX / size)) {
- errno = EINVAL;
- fp->_flags |= __SERR;
- return (0);
- }
-
- /*
- * Compute the (now required to not overflow) number of bytes to
- * read and actually do the work.
- */
- resid = count * size;
- ORIENT(fp, -1);
- 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);
-}
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