mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
fe1128dc2a
Add a script to find them in the future Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> (Merged from https://github.com/openssl/openssl/pull/6103)
94 lines
2.0 KiB
C
94 lines
2.0 KiB
C
/*
|
|
* Copyright 1998-2018 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <openssl/objects.h>
|
|
#include <openssl/comp.h>
|
|
#include <openssl/err.h>
|
|
#include "comp_lcl.h"
|
|
|
|
COMP_CTX *COMP_CTX_new(COMP_METHOD *meth)
|
|
{
|
|
COMP_CTX *ret;
|
|
|
|
if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
|
|
COMPerr(COMP_F_COMP_CTX_NEW, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
ret->meth = meth;
|
|
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
|
|
OPENSSL_free(ret);
|
|
ret = NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
const COMP_METHOD *COMP_CTX_get_method(const COMP_CTX *ctx)
|
|
{
|
|
return ctx->meth;
|
|
}
|
|
|
|
int COMP_get_type(const COMP_METHOD *meth)
|
|
{
|
|
return meth->type;
|
|
}
|
|
|
|
const char *COMP_get_name(const COMP_METHOD *meth)
|
|
{
|
|
return meth->name;
|
|
}
|
|
|
|
void COMP_CTX_free(COMP_CTX *ctx)
|
|
{
|
|
if (ctx == NULL)
|
|
return;
|
|
if (ctx->meth->finish != NULL)
|
|
ctx->meth->finish(ctx);
|
|
|
|
OPENSSL_free(ctx);
|
|
}
|
|
|
|
int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
|
|
unsigned char *in, int ilen)
|
|
{
|
|
int ret;
|
|
if (ctx->meth->compress == NULL) {
|
|
return -1;
|
|
}
|
|
ret = ctx->meth->compress(ctx, out, olen, in, ilen);
|
|
if (ret > 0) {
|
|
ctx->compress_in += ilen;
|
|
ctx->compress_out += ret;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
|
|
unsigned char *in, int ilen)
|
|
{
|
|
int ret;
|
|
|
|
if (ctx->meth->expand == NULL) {
|
|
return -1;
|
|
}
|
|
ret = ctx->meth->expand(ctx, out, olen, in, ilen);
|
|
if (ret > 0) {
|
|
ctx->expand_in += ilen;
|
|
ctx->expand_out += ret;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int COMP_CTX_get_type(const COMP_CTX* comp)
|
|
{
|
|
return comp->meth ? comp->meth->type : NID_undef;
|
|
}
|