X-Git-Url: https://git.distorted.org.uk/~mdw/userv-utils/blobdiff_plain/aaa9ab3ad43917293ff70ee9cd3654906118fc08..4a74cc46c5dd872f9e6083f2a85b487d5ffe3327:/ipif/utils.c diff --git a/ipif/utils.c b/ipif/utils.c index c215390..dadee70 100644 --- a/ipif/utils.c +++ b/ipif/utils.c @@ -1,4 +1,22 @@ /* + * General utility functions for udp tunnel + */ +/* + * Copyright (C) 2000 Ian Jackson + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with userv-utils; if not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include @@ -81,22 +99,6 @@ void read_must(int fd, void *p_in, int sz, const char *what) { } } -void get_random(void *ptr, size_t sz) { - static FILE *randfile; - - size_t r; - - if (!randfile) { - randfile= fopen("/dev/urandom","rb"); - if (!randfile && errno==ENOENT) randfile= fopen("/dev/random","rb"); - if (!randfile) sysfail("open random number generator"); - } - - r= fread(ptr,1,sz,randfile); - if (r == sz) return; - (ferror(randfile) ? sysfail : fail)("cannot read random number generator"); -} - const char *getarg_string(void) { const char *arg;