Symaptic: os/ossrv/ssl/libcrypto/src/crypto/comp/comp

     1 #include <stdio.h>

     2 #include <stdlib.h>

     3 #include <string.h>

     4 #include <openssl/objects.h>

     5 #include <openssl/comp.h>

     7 EXPORT_C COMP_CTX *COMP_CTX_new(COMP_METHOD *meth)

     8 	{

     9 	COMP_CTX *ret;

    11 	if ((ret=(COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL)

    12 		{

    13 		/* ZZZZZZZZZZZZZZZZ */

    14 		return(NULL);

    15 		}

    16 	memset(ret,0,sizeof(COMP_CTX));

    17 	ret->meth=meth;

    18 	if ((ret->meth->init != NULL) && !ret->meth->init(ret))

    19 		{

    20 		OPENSSL_free(ret);

    21 		ret=NULL;

    22 		}

    23 	return(ret);

    24 	}

    26 EXPORT_C void COMP_CTX_free(COMP_CTX *ctx)

    27 	{

    28 	if(ctx == NULL)

    29 	    return;

    31 	if (ctx->meth->finish != NULL)

    32 		ctx->meth->finish(ctx);

    34 	OPENSSL_free(ctx);

    35 	}

    37 EXPORT_C int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,

    38 	     unsigned char *in, int ilen)

    39 	{

    40 	int ret;

    41 	if (ctx->meth->compress == NULL)

    42 		{

    43 		/* ZZZZZZZZZZZZZZZZZ */

    44 		return(-1);

    45 		}

    46 	ret=ctx->meth->compress(ctx,out,olen,in,ilen);

    47 	if (ret > 0)

    48 		{

    49 		ctx->compress_in+=ilen;

    50 		ctx->compress_out+=ret;

    51 		}

    52 	return(ret);

    53 	}

    55 EXPORT_C int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,

    56 	     unsigned char *in, int ilen)

    57 	{

    58 	int ret;

    60 	if (ctx->meth->expand == NULL)

    61 		{

    62 		/* ZZZZZZZZZZZZZZZZZ */

    63 		return(-1);

    64 		}

    65 	ret=ctx->meth->expand(ctx,out,olen,in,ilen);

    66 	if (ret > 0)

    67 		{

    68 		ctx->expand_in+=ilen;

    69 		ctx->expand_out+=ret;

    70 		}

    71 	return(ret);

    72 	}

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--