commit cfd8c45725d85f3e2bfccb6b14a9bff59fd5c4c7
author Dan Albert <danalbert@google.com> Tue Oct 07 21:08:41 2014 -0700
committer Dan Albert <danalbert@google.com> Wed Oct 08 16:12:27 2014 -0700
tree aa23db07f7f0cc5c1b0cc93dc0c7531de4ae538d
parent 5cc5c5ea0b7a5a2d523ea35c645a42b222929276

Replace uses of sprintf(3) with snprintf(3).

At -00, the compiler warns about sprintf(3), and it is promoted to an
error by -Werror.

Change-Id: Ibb380d27d7eb09dda8ac785be2478d656b379190

libc/dns/resolv/res_cache.c

diff --git a/libc/dns/resolv/res_cache.c b/libc/dns/resolv/res_cache.c
index 9ca5419..dd77693 100644
--- a/libc/dns/resolv/res_cache.c
+++ b/libc/dns/resolv/res_cache.c
@@ -1915,7 +1915,7 @@
         hints.ai_family = PF_UNSPEC;
         hints.ai_socktype = SOCK_DGRAM; /*dummy*/
         hints.ai_flags = AI_NUMERICHOST;
-        sprintf(sbuf, "%u", NAMESERVER_PORT);
+        snprintf(sbuf, sizeof(sbuf), "%u", NAMESERVER_PORT);
 
         index = 0;
         for (i = 0; i < numservers && i < MAXNS; i++) {