/*
dropin.c -- a set of drop-in replacements for libc functions
- Copyright (C) 2000-2003 Ivo Timmermans <ivo@o2w.nl>,
- 2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+ Copyright (C) 2000-2005 Ivo Timmermans,
+ 2000-2006 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: dropin.c,v 1.1.2.15 2003/07/17 15:06:25 guus Exp $
+ $Id$
*/
#include "system.h"
+#include "xalloc.h"
+
#ifndef HAVE_DAEMON
/*
Replacement for the daemon() function.
Unless the argument noclose is non-zero, daemon() will redirect
standard input, standard output and standard error to /dev/null.
*/
-int daemon(int nochdir, int noclose)
-{
+int daemon(int nochdir, int noclose) {
+#ifdef HAVE_FORK
pid_t pid;
int fd;
}
return 0;
+#else
+ return -1;
+#endif
}
#endif
current directory name. If the environment variable PWD is set, and
its value is correct, then that value will be returned.
*/
-char *get_current_dir_name(void)
-{
+char *get_current_dir_name(void) {
size_t size;
char *buf;
char *r;
#endif
#ifndef HAVE_ASPRINTF
-int asprintf(char **buf, const char *fmt, ...)
-{
+int asprintf(char **buf, const char *fmt, ...) {
int status;
va_list ap;
int len;
va_end(ap);
if(status >= 0)
- *buf = xrealloc(*buf, status);
+ *buf = xrealloc(*buf, status + 1);
if(status > len - 1) {
len = status;
return status;
}
#endif
+
+#ifndef HAVE_GETTIMEOFDAY
+int gettimeofday(struct timeval *tv, void *tz) {
+ tv->tv_sec = time(NULL);
+ tv->tv_usec = 0;
+ return 0;
+}
+#endif
+
+#ifndef HAVE_RANDOM
+#include <openssl/rand.h>
+
+long int random(void) {
+ long int x;
+
+ RAND_pseudo_bytes((unsigned char *)&x, sizeof(x));
+
+ return x;
+}
+#endif