/*
crypto.c -- Cryptographic miscellaneous functions and initialisation
- Copyright (C) 2007-2014 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 2007-2021 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
}
void randomize(void *vout, size_t outlen) {
- char *out = vout;
+ uint8_t *out = vout;
while(outlen) {
- size_t len = read(random_fd, out, outlen);
+ ssize_t len = read(random_fd, out, outlen);
if(len <= 0) {
- if(errno == EAGAIN || errno == EINTR) {
+ if(len == -1 && (errno == EAGAIN || errno == EINTR)) {
continue;
}