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📄 amd64_tramp.S(2.82 KB)
📄 bio.c(2.14 KB)
📄 biosacpi.c(4.52 KB)
📄 biosdisk.c(31.58 KB)
📄 biosmem.c(7.21 KB)
📄 biospci.c(9.84 KB)
📄 biospnp.c(7.42 KB)
📄 biossmap.c(4.31 KB)
📄 bootinfo.c(3.64 KB)
📄 bootinfo32.c(8.63 KB)
📄 bootinfo64.c(8.08 KB)
📄 comconsole.c(9.37 KB)
📄 devicename.c(5.3 KB)
📄 elf32_freebsd.c(2.76 KB)
📄 elf64_freebsd.c(3.75 KB)
📄 i386_copy.c(2.13 KB)
📄 i386_module.c(1.59 KB)
📄 libi386.h(5.18 KB)
📄 multiboot.c(11.19 KB)
📄 multiboot.h(6.77 KB)
📄 multiboot_tramp.S(2.06 KB)
📄 nullconsole.c(2.67 KB)
📄 pread.c(2.42 KB)
📄 pxe.c(13.8 KB)
📄 pxe.h(14.61 KB)
📄 pxetramp.S(1.01 KB)
📄 relocater_tramp.S(8.32 KB)
📄 spinconsole.c(3.11 KB)
📄 time.c(3.13 KB)
📄 vbe.c(27.6 KB)
📄 vbe.h(5.43 KB)
📄 vidconsole.c(33.89 KB)

Editing: pread.c

/*
 * $NetBSD: pread.c,v 1.2 1997/03/22 01:48:38 thorpej Exp $
 */

/*-
 * Copyright (c) 1996
 *	Matthias Drochner.  All rights reserved.
 *
 * 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 for the NetBSD Project
 *	by Matthias Drochner.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");

/* read into destination in flat addr space */

#include <stand.h>

#include "libi386.h"

#ifdef SAVE_MEMORY
#define BUFSIZE (1*1024)
#else
#define BUFSIZE (4*1024)
#endif

static char     buf[BUFSIZE];

int 
pread(fd, dest, size)
	int             fd;
	vm_offset_t         dest;
	int             size;
{
	int             rsize;

rsize = size;
	while (rsize > 0) {
		int             count, got;

count = (rsize < BUFSIZE ? rsize : BUFSIZE);

got = read(fd, buf, count);
		if (got < 0)
			return (-1);

/* put to physical space */
		vpbcopy(buf, dest, got);

dest += got;
		rsize -= got;
		if (got < count)
			break;	/* EOF */
	}
	return (size - rsize);
}

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