text: /* crypto/asn1/a_i2d_fp.c */
  /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   * All rights reserved.
   *
   * This package is an SSL implementation written
   * by Eric Young (eay@cryptsoft.com).
   * The implementation was written so as to conform with Netscapes SSL.
   *
   * This library is free for commercial and non-commercial use as long as
   * the following conditions are aheared to.  The following conditions
   * apply to all code found in this distribution, be it the RC4, RSA,
   * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
   * included with this distribution is covered by the same copyright terms
   * except that the holder is Tim Hudson (tjh@cryptsoft.com).
   *
   * Copyright remains Eric Young's, and as such any Copyright notices in
   * the code are not to be removed.
   * If this package is used in a product, Eric Young should be given attribution
   * as the author of the parts of the library used.
   * This can be in the form of a textual message at program startup or
   * in documentation (online or textual) provided with the package.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *    "This product includes cryptographic software written by
   *     Eric Young (eay@cryptsoft.com)"
   *    The word 'cryptographic' can be left out if the rouines from the library
   *    being used are not cryptographic related :-).
   * 4. If you include any Windows specific code (or a derivative thereof) from
   *    the apps directory (application code) you must include an acknowledgement:
   *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
   *
   * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * The licence and distribution terms for any publically available version or
   * derivative of this code cannot be changed.  i.e. this code cannot simply be
   * copied and put under another distribution licence
   * [including the GNU Public Licence.]
   */
  
  #include <stdio.h>
  #include "internal/cryptlib.h"
  #include <openssl/buffer.h>
  #include <openssl/asn1.h>
  
  #ifndef NO_OLD_ASN1
  
  # ifndef OPENSSL_NO_STDIO
  int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
  {
      BIO *b;
      int ret;
  
      if ((b = BIO_new(BIO_s_file())) == NULL) {
          ASN1err(ASN1_F_ASN1_I2D_FP, ERR_R_BUF_LIB);
          return (0);
      }
      BIO_set_fp(b, out, BIO_NOCLOSE);
      ret = ASN1_i2d_bio(i2d, b, x);
      BIO_free(b);
      return (ret);
  }
  # endif
  
  int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
  {
      char *b;
      unsigned char *p;
      int i, j = 0, n, ret = 1;
  
      n = i2d(x, NULL);
      b = OPENSSL_malloc(n);
      if (b == NULL) {
          ASN1err(ASN1_F_ASN1_I2D_BIO, ERR_R_MALLOC_FAILURE);
          return (0);
      }
  
      p = (unsigned char *)b;
      i2d(x, &p);
  
      for (;;) {
          i = BIO_write(out, &(b[j]), n);
          if (i == n)
              break;
          if (i <= 0) {
              ret = 0;
              break;
          }
          j += i;
          n -= i;
      }
      OPENSSL_free(b);
      return (ret);
  }
  
  #endif
  
  #ifndef OPENSSL_NO_STDIO
  int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x)
  {
      BIO *b;
      int ret;
  
      if ((b = BIO_new(BIO_s_file())) == NULL) {
          ASN1err(ASN1_F_ASN1_ITEM_I2D_FP, ERR_R_BUF_LIB);
          return (0);
      }
      BIO_set_fp(b, out, BIO_NOCLOSE);
      ret = ASN1_item_i2d_bio(it, b, x);
      BIO_free(b);
      return (ret);
  }
  #endif
  
  int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x)
  {
      unsigned char *b = NULL;
      int i, j = 0, n, ret = 1;
  
      n = ASN1_item_i2d(x, &b, it);
      if (b == NULL) {
          ASN1err(ASN1_F_ASN1_ITEM_I2D_BIO, ERR_R_MALLOC_FAILURE);
          return (0);
      }
  
      for (;;) {
          i = BIO_write(out, &(b[j]), n);
          if (i == n)
              break;
          if (i <= 0) {
              ret = 0;
              break;
          }
          j += i;
          n -= i;
      }
      OPENSSL_free(b);
      return (ret);
  }
  