1 files changed, 80 insertions, 0 deletions

diff --git a/src/lib/libcrypto/comp/comp.h b/src/lib/libcrypto/comp/comp.h
new file mode 100644
index 0000000000..4b405c7d49
--- /dev/null
+++ b/src/lib/libcrypto/comp/comp.h
@@ -0,0 +1,80 @@
+
+#ifndef HEADER_COMP_H
+#define HEADER_COMP_H
+
+#include <openssl/crypto.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+typedef struct comp_ctx_st COMP_CTX;
+
+typedef struct comp_method_st
+        {
+        int type;               /* NID for compression library */
+        const char *name;       /* A text string to identify the library */
+        int (*init)(COMP_CTX *ctx);
+        void (*finish)(COMP_CTX *ctx);
+        int (*compress)(COMP_CTX *ctx,
+                        unsigned char *out, unsigned int olen,
+                        unsigned char *in, unsigned int ilen);
+        int (*expand)(COMP_CTX *ctx,
+                      unsigned char *out, unsigned int olen,
+                      unsigned char *in, unsigned int ilen);
+        /* The following two do NOTHING, but are kept for backward compatibility */
+        long (*ctrl)(void);
+        long (*callback_ctrl)(void);
+        } COMP_METHOD;
+
+struct comp_ctx_st
+        {
+        COMP_METHOD *meth;
+        unsigned long compress_in;
+        unsigned long compress_out;
+        unsigned long expand_in;
+        unsigned long expand_out;
+
+        CRYPTO_EX_DATA  ex_data;
+        };
+
+
+COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
+void COMP_CTX_free(COMP_CTX *ctx);
+int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
+        unsigned char *in, int ilen);
+int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
+        unsigned char *in, int ilen);
+COMP_METHOD *COMP_rle(void );
+COMP_METHOD *COMP_zlib(void );
+void COMP_zlib_cleanup(void);
+
+#ifdef HEADER_BIO_H
+#ifdef ZLIB
+BIO_METHOD *BIO_f_zlib(void);
+#endif
+#endif
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+void ERR_load_COMP_strings(void);
+
+/* Error codes for the COMP functions. */
+
+/* Function codes. */
+#define COMP_F_BIO_ZLIB_FLUSH                            99
+#define COMP_F_BIO_ZLIB_NEW                              100
+#define COMP_F_BIO_ZLIB_READ                             101
+#define COMP_F_BIO_ZLIB_WRITE                            102
+
+/* Reason codes. */
+#define COMP_R_ZLIB_DEFLATE_ERROR                        99
+#define COMP_R_ZLIB_INFLATE_ERROR                        100
+#define COMP_R_ZLIB_NOT_SUPPORTED                        101
+
+#ifdef  __cplusplus
+}
+#endif
+#endif