X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/fcdff1398b72c97915b11975046865fbdf2f8713..cca956b199841d754e8a78391d2e2c7efce4a3ee:/lib/random.c

diff --git a/lib/random.c b/lib/random.c
index 70e19f8..ce87abd 100644
--- a/lib/random.c
+++ b/lib/random.c
@@ -23,17 +23,17 @@
  *
  */
 
-#include <config.h>
-#include "types.h"
+#include "common.h"
 
 #include <fcntl.h>
 #include <unistd.h>
 #include <errno.h>
-#include <string.h>
 
 #include "random.h"
 #include "log.h"
 #include "arcfour.h"
+#include "basen.h"
+#include "mem.h"
 
 static int random_count;
 static int random_fd = -1;
@@ -63,7 +63,7 @@ static void random__rekey(void) {
  * @param ptr Where to put random bytes
  * @param bytes How many random bytes to generate
  */
-void random_get(uint8_t *ptr, size_t bytes) {
+void random_get(void *ptr, size_t bytes) {
   if(random_count == 0)
     random__rekey();
   /* Encrypting 0s == just returning the keystream */
@@ -75,6 +75,16 @@ void random_get(uint8_t *ptr, size_t bytes) {
     random_count -= bytes;
 }
 
+/** @brief Return a random ID string */
+char *random_id(void) {
+  unsigned long words[2];
+  char id[128];
+
+  random_get(words, sizeof words);
+  basen(words, sizeof words / sizeof *words, id, sizeof id, 62);
+  return xstrdup(id);
+}
+
 /*
 Local Variables:
 c-basic-offset:2