use %u rather than %d; pass a unsigned int pointer

diff --git a/bin/named/server.c b/bin/named/server.c
index 68aca3559f88cfbd4fb9dc19a37afdafe1995852..985925a84b980a2e0a4617c1f2858024bbc2ddab 100644 (file)
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -10827,7 +10827,7 @@ named_server_setdebuglevel(named_server_t *server, isc_lex_t *lex) {
        isc_log_setdebuglevel(named_g_lctx, named_g_debuglevel);
        isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL,
                      NAMED_LOGMODULE_SERVER, ISC_LOG_INFO,
-                     "debug level is now %d", named_g_debuglevel);
+                     "debug level is now %u", named_g_debuglevel);
        return (ISC_R_SUCCESS);
 }
 
@@ -11383,7 +11383,7 @@ named_server_tsigdelete(named_server_t *server, isc_lex_t *lex,
        }
        isc_task_endexclusive(server->task);
 
-       snprintf(fbuf, sizeof(fbuf), "%d", foundkeys);
+       snprintf(fbuf, sizeof(fbuf), "%u", foundkeys);
 
        CHECK(putstr(text, fbuf));
        CHECK(putstr(text, " tsig keys deleted."));
@@ -14813,9 +14813,11 @@ named_server_dnstap(named_server_t *server, isc_lex_t *lex,
                unsigned int n;
                ptr = next_token(lex, text);
                if (ptr != NULL) {
-                       n = sscanf(ptr, "%u", &backups);
-                       if (n != 1U)
+                       unsigned int u;
+                       n = sscanf(ptr, "%u", &u);
+                       if (n != 1U || u > INT_MAX)
                                return (ISC_R_BADNUMBER);
+                       backups = u;
                } else {
                        backups = ISC_LOG_ROLLINFINITE;
                }