Hardcode magic number rather than rely on HOST_NAME_MAX

2010-07-23 18:04:13 -04:00
parent b56f9612f9
commit 5960b04407
1 changed files with 3 additions and 2 deletions
--- a/shell/shell_utils.cpp
+++ b/shell/shell_utils.cpp
@@ -823,8 +823,9 @@ namespace mongo {

        BSONObj getHostName(const BSONObj& a){
            uassert( 13411, "getHostName accepts no arguments", a.nFields() == 0 );
-            char buf[HOST_NAME_MAX+1];
-            assert(gethostname(buf, HOST_NAME_MAX+1) == 0);
+            char buf[260]; // HOST_NAME_MAX is usually 255
+            assert(gethostname(buf, 260) == 0);
+            buf[259] = '\0';
            return BSON("" << buf);

        }