apps/lib/names.c

   1 /*
   2  * Copyright 2019-2020 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 "internal/e_os.h"
  15
  16 int name_cmp(const char * const *a, const char * const *b)
  17 {
  18     return OPENSSL_strcasecmp(*a, *b);
  19 }
  20
  21 void 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
  28 void 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 }