X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fcomp%2Fcomp_lib.c;h=aa82376cdde8f84d03ba502ff1f030f4aec98a22;hp=b60ae371e8d133da1fb3af17df26b68dd205ccdb;hb=9a555706a3fb8f6622e1049ab510a12f4e1bc6a2;hpb=86a62cf15c5aa087a950ae82c65bb22e932e46c0 diff --git a/crypto/comp/comp_lib.c b/crypto/comp/comp_lib.c index b60ae371e8..aa82376cdd 100644 --- a/crypto/comp/comp_lib.c +++ b/crypto/comp/comp_lib.c @@ -1,72 +1,137 @@ +/* ==================================================================== + * Copyright (c) 1999-2015 The OpenSSL Project. All rights reserved. + * + * 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 above 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 acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + #include #include #include #include #include +#include "comp_lcl.h" COMP_CTX *COMP_CTX_new(COMP_METHOD *meth) - { - COMP_CTX *ret; +{ + COMP_CTX *ret; + + if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL) + return (NULL); + memset(ret, 0, sizeof(*ret)); + 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; +} - if ((ret=(COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL) - { - /* ZZZZZZZZZZZZZZZZ */ - return(NULL); - } - memset(ret,0,sizeof(COMP_CTX)); - ret->meth=meth; - if ((ret->meth->init != NULL) && !ret->meth->init(ret)) - { - OPENSSL_free(ret); - ret=NULL; - } - return(ret); - } +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 == NULL) + return; - if (ctx->meth->finish != NULL) - ctx->meth->finish(ctx); + if (ctx->meth->finish != NULL) + ctx->meth->finish(ctx); - OPENSSL_free(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) - { - /* ZZZZZZZZZZZZZZZZZ */ - return(-1); - } - ret=ctx->meth->compress(ctx,out,olen,in,ilen); - if (ret > 0) - { - ctx->compress_in+=ilen; - ctx->compress_out+=ret; - } - return(ret); - } + 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; + 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); +} - if (ctx->meth->expand == NULL) - { - /* ZZZZZZZZZZZZZZZZZ */ - 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; +}