From: Guus Sliepen <guus@meshlink.io>
Date: Sun, 25 May 2014 19:14:34 +0000 (+0200)
Subject: Re-add accidentily removed randomize() from crypto.c.
X-Git-Url: http://git.meshlink.io/?p=meshlink;a=commitdiff_plain;h=b1c340b62be086515b951572bf8ffac0acd6c78f

Re-add accidentily removed randomize() from crypto.c.
---

diff --git a/src/crypto.c b/src/crypto.c
index 2e2fa538..e3797f8d 100644
--- a/src/crypto.c
+++ b/src/crypto.c
@@ -41,6 +41,20 @@ void crypto_exit(void) {
 	close(random_fd);
 }
 
+void randomize(void *out, size_t outlen) {
+	while(outlen) {
+		size_t len = read(random_fd, out, outlen);
+		if(len <= 0) {
+			if(errno == EAGAIN || errno == EINTR)
+				continue;
+			fprintf(stderr, "Could not read random numbers: %s\n", strerror(errno));
+			abort();
+		}
+		out += len;
+		outlen -= len;
+	}
+}
+
 #else
 
 #include <wincrypt.h>