[gnutls-devel] GnuTLS | tools: suppress ctime() error from lgtm warnings (!994)

[Development of GNU's TLS library]

Tim Rühsen commented on a discussion on src/certtool.c: https://gitlab.com/gnutls/gnutls/merge_requests/994#note_168872621

>  
>  		if (ca_crt && (secs > gnutls_x509_crt_get_expiration_time(ca_crt))) {
>  			time_t exp = gnutls_x509_crt_get_expiration_time(ca_crt);
> -			fprintf(stderr, "\nExpiration time: %s", ctime(&secs));
> -			fprintf(stderr, "CA expiration time: %s", ctime(&exp));
> +			fprintf(stderr, "\nExpiration time: %s", ctime(&secs)); //lgtm [cpp/potentially-dangerous-function]

@nmav Fun fact: Just randomly detected ctime() in multi-threaded code in Wget2, copied long time ago from gnutls-cli. So much to copy&paste stuff ;-)

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