ref: 230cee347fb6740900ab7295b32f378ff6c3c13a
dir: /sys/src/ape/lib/openssl/crypto/asn1/a_i2d_fp.c/
/* 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 "cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/asn1.h>
#ifndef NO_OLD_ASN1
#ifndef OPENSSL_NO_FP_API
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=(char *)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_FP_API
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);
}