harvey/sys/src/cmd/ssh2/common.c

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

#include <u.h>
#include <libc.h>
#include "ssh2.h"

void
freeptr(void **vpp)
{
	char **cpp;

	cpp = vpp;
	free(*cpp);
	*cpp = nil;
}

int
readfile(char *file, char *buf, int size)
{
	int n, fd;

	fd = open(file, OREAD);
	if (fd < 0)
		return -1;
	n = readn(fd, buf, size - 1);
	if (n < 0)
		buf[0] = '\0';
	else
		buf[n] = '\0';
	close(fd);
	return n;
}