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/* -*- c-file-style: "bsd" -*-
* rproxy -- dynamic caching and delta update in HTTP
* $Id: fileutil.c,v 1.12 2000/08/11 02:53:53 mbp Exp $
*
* Copyright (C) 1999, 2000 by Martin Pool.
* Copyright (C) 1999 by tridge@samba.org.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/file.h>
#include <string.h>
void
hs_file_close(int fd)
{
if (fd == -1)
_hs_error("warning: close called with fd of -1");
if (close(fd) == -1) {
_hs_error("error closing fd %d: %s",
fd, strerror(errno));
}
}
int
hs_file_open(char const *filename, int mode)
{
int fd;
fd = open(filename, mode, 0666);
if (fd == -1) {
_hs_fatal("error opening %s for mode %#x: %s", filename, mode,
strerror(errno));
}
return fd;
}
int
_hs_file_copy_all(int from_fd, int to_fd)
{
ssize_t len, total_len = 0, wlen, off;
char buf[32768];
do {
len = read(from_fd, buf, sizeof buf);
if (len < 0) {
_hs_error("read: %s", strerror(errno));
return -1;
}
_hs_trace("read %ld bytes", (long) len);
total_len += len;
off = 0;
while (off < len) {
wlen = write(to_fd, buf + off, len - off);
if (wlen < 0) {
_hs_error("write: %s", strerror(errno));
return -1;
}
_hs_trace("wrote %ld bytes", (long) wlen);
off += wlen;
}
} while (len > 0);
_hs_trace("reached eof");
return total_len;
}
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