Import Upstream version 0.9+1474479173.6c180c6upstream/0.9+1474479173.6c180c6

1 files changed, 66 insertions, 0 deletions

diff --git a/Cryptlib/OpenSSL/crypto/comp/comp_lib.c b/Cryptlib/OpenSSL/crypto/comp/comp_lib.c
new file mode 100644
index 00000000..bd4eb7a1
--- /dev/null
+++ b/Cryptlib/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);
+}