Fix potential race in route table load

[ric-plt/lib/rmr.git] / src / rmr / common / src / logging.c

diff --git a/src/rmr/common/src/logging.c b/src/rmr/common/src/logging.c
index ce6c246..65fb745 100644 (file)
--- a/src/rmr/common/src/logging.c
+++ b/src/rmr/common/src/logging.c
@@ -145,7 +145,11 @@ extern void rmr_vlog( int write_level, char* fmt, ... ) {
                write_level = RMR_VL_DEBUG;
        }
 
+       memset( msg, 0, sizeof( msg ) );                                                                // logging is slow; this ensures 0 term if msg is too large
        hlen = snprintf( msg, sizeof( msg ), "%ld %d/RMR [%s] ", (long) time( NULL ), log_pid, log_situations[write_level] );
+       if( hlen > sizeof( msg ) - 1024 ) {                                                             // should never happen, but be parinoid
+               return;
+       }
        body = msg + hlen;
 
        va_start( argp, fmt );          // suss out parm past fmt
@@ -171,7 +175,7 @@ extern void rmr_vlog_force( int write_level, char* fmt, ... ) {
                rmr_vlog_init();
        }
 
-       if( log_vlevel <= 0 ) {                 // cant force if off completely to allow for total silience
+       if( log_vlevel <= 0 ) {                 // can force if off completely to allow for total silience
                return;
        }