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-rw-r--r--openssl/crypto/comp/comp_lib.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/openssl/crypto/comp/comp_lib.c b/openssl/crypto/comp/comp_lib.c
new file mode 100644
index 000000000..b60ae371e
--- /dev/null
+++ b/openssl/crypto/comp/comp_lib.c
@@ -0,0 +1,72 @@
+#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);
+ }