crypto/encode_decode/encoder_lib.c

   1 /*
   2  * Copyright 2019 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 <openssl/bio.h>
  11 #include <openssl/encoder.h>
  12 #include "encoder_local.h"
  13
  14 int OSSL_ENCODER_to_bio(OSSL_ENCODER_CTX *ctx, BIO *out)
  15 {
  16     return ctx->do_output(ctx, out);
  17 }
  18
  19 #ifndef OPENSSL_NO_STDIO
  20 static BIO *bio_from_file(FILE *fp)
  21 {
  22     BIO *b;
  23
  24     if ((b = BIO_new(BIO_s_file())) == NULL) {
  25         ERR_raise(ERR_LIB_OSSL_ENCODER, ERR_R_BUF_LIB);
  26         return NULL;
  27     }
  28     BIO_set_fp(b, fp, BIO_NOCLOSE);
  29     return b;
  30 }
  31
  32 int OSSL_ENCODER_to_fp(OSSL_ENCODER_CTX *ctx, FILE *fp)
  33 {
  34     BIO *b = bio_from_file(fp);
  35     int ret = 0;
  36
  37     if (b != NULL)
  38         ret = OSSL_ENCODER_to_bio(ctx, b);
  39
  40     BIO_free(b);
  41     return ret;
  42 }
  43 #endif