diff options
Diffstat (limited to 'thirdparty/openssl/crypto/comp/comp_lib.c')
-rw-r--r-- | thirdparty/openssl/crypto/comp/comp_lib.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/comp/comp_lib.c b/thirdparty/openssl/crypto/comp/comp_lib.c new file mode 100644 index 0000000000..bd4eb7a1ab --- /dev/null +++ b/thirdparty/openssl/crypto/comp/comp_lib.c @@ -0,0 +1,66 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/objects.h> +#include <openssl/comp.h> + +COMP_CTX *COMP_CTX_new(COMP_METHOD *meth) +{ + COMP_CTX *ret; + + 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); +} + +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) { + /* 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); +} + +int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, + unsigned char *in, int ilen) +{ + int 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); +} |