1/* 2 * Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#include <string.h> 11#include <openssl/bio.h> 12#include <openssl/safestack.h> 13#include "names.h" 14#include "openssl/crypto.h" 15 16int name_cmp(const char * const *a, const char * const *b) 17{ 18 return OPENSSL_strcasecmp(*a, *b); 19} 20 21void collect_names(const char *name, void *vdata) 22{ 23 STACK_OF(OPENSSL_CSTRING) *names = vdata; 24 25 sk_OPENSSL_CSTRING_push(names, name); 26} 27 28void print_names(BIO *out, STACK_OF(OPENSSL_CSTRING) *names) 29{ 30 int i = sk_OPENSSL_CSTRING_num(names); 31 int j; 32 33 sk_OPENSSL_CSTRING_sort(names); 34 if (i > 1) 35 BIO_printf(out, "{ "); 36 for (j = 0; j < i; j++) { 37 const char *name = sk_OPENSSL_CSTRING_value(names, j); 38 39 if (j > 0) 40 BIO_printf(out, ", "); 41 BIO_printf(out, "%s", name); 42 } 43 if (i > 1) 44 BIO_printf(out, " }"); 45} 46