Use "if (ptr == NULL)" instead of "if (!ptr)"

Requested by jsing

diff --git a/lib/libcrypto/asn1/bio_ndef.c b/lib/libcrypto/asn1/bio_ndef.c
index 7ef0876..33dfe73 100644 (file)
--- a/lib/libcrypto/asn1/bio_ndef.c
+++ b/lib/libcrypto/asn1/bio_ndef.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bio_ndef.c,v 1.13 2023/03/11 15:50:13 tb Exp $ */
+/* $OpenBSD: bio_ndef.c,v 1.14 2023/03/11 15:56:03 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project.
  */
@@ -105,14 +105,14 @@ BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it)
        const ASN1_AUX *aux = it->funcs;
        ASN1_STREAM_ARG sarg;
 
-       if (!aux || !aux->asn1_cb) {
+       if (aux == NULL || aux->asn1_cb == NULL) {
                ASN1error(ASN1_R_STREAMING_NOT_SUPPORTED);
                return NULL;
        }
        ndef_aux = malloc(sizeof(NDEF_SUPPORT));
        asn_bio = BIO_new(BIO_f_asn1());
 
-       if (!ndef_aux || !asn_bio)
+       if (ndef_aux == NULL || asn_bio == NULL)
                goto err;
 
        if ((out = BIO_push(asn_bio, out)) == NULL)