Correctly terminate nc target hostname when copying it.

[u/mdw/putty] / cmdline.c

diff --git a/cmdline.c b/cmdline.c
index 5b29457..183797d 100644 (file)
--- a/cmdline.c
+++ b/cmdline.c
@@ -263,8 +263,8 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
            unsigned len = portp - host;
            if (len >= sizeof(cfg->ssh_nc_host))
                len = sizeof(cfg->ssh_nc_host) - 1;
-           strncpy(cfg->ssh_nc_host, value, len);
-           cfg->ssh_nc_host[sizeof(cfg->ssh_nc_host) - 1] = '\0';
+           memcpy(cfg->ssh_nc_host, value, len);
+           cfg->ssh_nc_host[len] = '\0';
            cfg->ssh_nc_port = atoi(portp+1);
        } else {
            cmdline_error("-nc expects argument of form 'host:port'");