experimental OpenBSD support

[Brian Fundakowski Feldman]

BTW, if you find it runs too slowly, you may need to do this:

Index: common.c
===================================================================
RCS file: /u/cvs/SNOWNET/Snownet/hostap/hostapd/common.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- common.c    17 Jun 2003 19:01:21 -0000      1.1
+++ common.c    24 Jun 2003 16:26:43 -0000      1.2
@@ -10,24 +10,26 @@
  */
 
 #include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
 #include "common.h"
 
 
 int hostapd_get_rand(u8 *buf, size_t len)
 {
-       FILE *f;
-       size_t rc;
+       ssize_t rc;
+       int fd;
 
-       f = fopen("/dev/urandom", "r");
-       if (f == NULL) {
-               printf("Could not open /dev/urandom.\n");
+       fd = open("/dev/urandom", O_RDONLY);
+       if (fd == -1) {
+               perror("Could not open /dev/urandom");
                return -1;
        }
 
-       rc = fread(buf, 1, len, f);
-       fclose(f);
+       rc = read(fd, buf, len);
+       close(fd);
 
-       return rc != len ? -1 : 0;
+       return rc == len ? 0 : -1;
 }
 
 

I don't think it's appropriate to be doing that with fread(3) at all
unless it's going to be cached.