mirror of
https://github.com/reactos/reactos.git
synced 2024-11-10 00:34:39 +00:00
40 lines
1,010 B
C
40 lines
1,010 B
C
/* @(#)ffileread.c 1.13 09/06/30 Copyright 1986, 1996-2009 J. Schilling */
|
|
/*
|
|
* Copyright (c) 1986, 1996-2009 J. Schilling
|
|
*/
|
|
/*
|
|
* 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.
|
|
*
|
|
* See the file CDDL.Schily.txt in this distribution for details.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file CDDL.Schily.txt from this distribution.
|
|
*/
|
|
|
|
#include "schilyio.h"
|
|
|
|
EXPORT ssize_t
|
|
ffileread(f, buf, len)
|
|
register FILE *f;
|
|
void *buf;
|
|
size_t len;
|
|
{
|
|
register int fd;
|
|
register ssize_t ret;
|
|
int oerrno = geterrno();
|
|
|
|
down2(f, _IOREAD, _IORW);
|
|
fd = fileno(f);
|
|
|
|
while ((ret = read(fd, buf, len)) < 0 && geterrno() == EINTR) {
|
|
/*
|
|
* Set back old 'errno' so we don't change the errno visible
|
|
* to the outside if we did not fail.
|
|
*/
|
|
seterrno(oerrno);
|
|
}
|
|
return (ret);
|
|
}
|