[asterisk-commits] file: trunk r89637 - /trunk/main/utils.c

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Tue Nov 27 11:01:19 CST 2007


Author: file
Date: Tue Nov 27 11:01:19 2007
New Revision: 89637

URL: http://svn.digium.com/view/asterisk?view=rev&rev=89637
Log:
Ensure the value returned from ast_random is between 0 and RAND_MAX on 64-bit platforms.
(closes issue #11348)
Reported by: sperreault

Modified:
    trunk/main/utils.c

Modified: trunk/main/utils.c
URL: http://svn.digium.com/view/asterisk/trunk/main/utils.c?view=diff&rev=89637&r1=89636&r2=89637
==============================================================================
--- trunk/main/utils.c (original)
+++ trunk/main/utils.c Tue Nov 27 11:01:19 2007
@@ -1139,8 +1139,10 @@
 	if (dev_urandom_fd >= 0) {
 		int read_res = read(dev_urandom_fd, &res, sizeof(res));
 		if (read_res > 0) {
+			long int rm = RAND_MAX;
 			res = res < 0 ? ~res : res;
-			return res;
+			rm++;
+			return res % rm;
 		}
 	}
 #endif




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