os/ossrv/ssl/libcrypto/src/crypto/comp/comp_lib.c
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/comp/comp_lib.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,72 @@
     1.4 +#include <stdio.h>
     1.5 +#include <stdlib.h>
     1.6 +#include <string.h>
     1.7 +#include <openssl/objects.h>
     1.8 +#include <openssl/comp.h>
     1.9 +
    1.10 +EXPORT_C COMP_CTX *COMP_CTX_new(COMP_METHOD *meth)
    1.11 +	{
    1.12 +	COMP_CTX *ret;
    1.13 +
    1.14 +	if ((ret=(COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL)
    1.15 +		{
    1.16 +		/* ZZZZZZZZZZZZZZZZ */
    1.17 +		return(NULL);
    1.18 +		}
    1.19 +	memset(ret,0,sizeof(COMP_CTX));
    1.20 +	ret->meth=meth;
    1.21 +	if ((ret->meth->init != NULL) && !ret->meth->init(ret))
    1.22 +		{
    1.23 +		OPENSSL_free(ret);
    1.24 +		ret=NULL;
    1.25 +		}
    1.26 +	return(ret);
    1.27 +	}
    1.28 +
    1.29 +EXPORT_C void COMP_CTX_free(COMP_CTX *ctx)
    1.30 +	{
    1.31 +	if(ctx == NULL)
    1.32 +	    return;
    1.33 +
    1.34 +	if (ctx->meth->finish != NULL)
    1.35 +		ctx->meth->finish(ctx);
    1.36 +
    1.37 +	OPENSSL_free(ctx);
    1.38 +	}
    1.39 +
    1.40 +EXPORT_C int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
    1.41 +	     unsigned char *in, int ilen)
    1.42 +	{
    1.43 +	int ret;
    1.44 +	if (ctx->meth->compress == NULL)
    1.45 +		{
    1.46 +		/* ZZZZZZZZZZZZZZZZZ */
    1.47 +		return(-1);
    1.48 +		}
    1.49 +	ret=ctx->meth->compress(ctx,out,olen,in,ilen);
    1.50 +	if (ret > 0)
    1.51 +		{
    1.52 +		ctx->compress_in+=ilen;
    1.53 +		ctx->compress_out+=ret;
    1.54 +		}
    1.55 +	return(ret);
    1.56 +	}
    1.57 +
    1.58 +EXPORT_C int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
    1.59 +	     unsigned char *in, int ilen)
    1.60 +	{
    1.61 +	int ret;
    1.62 +
    1.63 +	if (ctx->meth->expand == NULL)
    1.64 +		{
    1.65 +		/* ZZZZZZZZZZZZZZZZZ */
    1.66 +		return(-1);
    1.67 +		}
    1.68 +	ret=ctx->meth->expand(ctx,out,olen,in,ilen);
    1.69 +	if (ret > 0)
    1.70 +		{
    1.71 +		ctx->expand_in+=ilen;
    1.72 +		ctx->expand_out+=ret;
    1.73 +		}
    1.74 +	return(ret);
    1.75 +	}