make sure there is room for null terminator

2021-04-19 23:25:13 +02:00
parent a2fa5cbc44
commit bb9cf8ec40
1 changed files with 1 additions and 1 deletions
--- a/client/src/cmdtrace.c
+++ b/client/src/cmdtrace.c
@@ -657,7 +657,7 @@ int CmdTraceListAlias(const char *Cmd, const char *alias, const char *protocol)
    CLIExecWithReturn(ctx, Cmd, argtable, true);
    char args[128] = {0};
    snprintf(args, sizeof(args), "-t %s ", protocol);
-    strncat(args, Cmd, sizeof(args) - strlen(args));
+    strncat(args, Cmd, sizeof(args) - strlen(args) - 1);
    return CmdTraceList(args);
 }