| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | struct comp_method_st { |
| 11 | int type; /* NID for compression library */ |
| 12 | const char *name; /* A text string to identify the library */ |
| 13 | int (*init) (COMP_CTX *ctx); |
| 14 | void (*finish) (COMP_CTX *ctx); |
| 15 | int (*compress) (COMP_CTX *ctx, |
| 16 | unsigned char *out, unsigned int olen, |
| 17 | unsigned char *in, unsigned int ilen); |
| 18 | int (*expand) (COMP_CTX *ctx, |
| 19 | unsigned char *out, unsigned int olen, |
| 20 | unsigned char *in, unsigned int ilen); |
| 21 | }; |
| 22 | |
| 23 | struct comp_ctx_st { |
| 24 | struct comp_method_st *meth; |
| 25 | unsigned long compress_in; |
| 26 | unsigned long compress_out; |
| 27 | unsigned long expand_in; |
| 28 | unsigned long expand_out; |
| 29 | void* data; |
| 30 | }; |