Print out zero length string properly.

f3481ca2 · Dr. Stephen Henson · ba30bad5 · f3481ca2
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Showing with 2 addition and 1 deletion

crypto/asn1/tasn_prn.c crypto/asn1/tasn_prn.c +2 -1

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--- a/crypto/asn1/tasn_prn.c
+++ b/crypto/asn1/tasn_prn.c
@@ -506,7 +506,8 @@ static int asn1_print_obstring_ctx(BIO *out, ASN1_STRING *str, int indent,
 		}
 	else if (BIO_puts(out, "\n") <= 0)
 		return 0;
-	if (BIO_dump_indent(out, (char *)str->data, str->length,
+	if ((str->length > 0)
+		&& BIO_dump_indent(out, (char *)str->data, str->length,
 				indent + 2) <= 0)
 		return 0;
 	return 1;