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