From 2d20cbf837263898ce45c1e0a0f11b9e1126eeba Mon Sep 17 00:00:00 2001 From: Nick Mathewson Date: Thu, 21 Jun 2018 11:51:49 -0400 Subject: Extract compression functions into a new library. --- src/common/compress_none.c | 53 ---------------------------------------------- 1 file changed, 53 deletions(-) delete mode 100644 src/common/compress_none.c (limited to 'src/common/compress_none.c') diff --git a/src/common/compress_none.c b/src/common/compress_none.c deleted file mode 100644 index 7e67046d34..0000000000 --- a/src/common/compress_none.c +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright (c) 2004, Roger Dingledine. - * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2018, The Tor Project, Inc. */ -/* See LICENSE for licensing information */ - -/** - * \file compress_none.c - * \brief Compression backend for identity compression. - * - * We actually define this backend so that we can treat the identity transform - * as another case of compression. - * - * This module should never be invoked directly. Use the compress module - * instead. - **/ - -#include "orconfig.h" - -#include "common/util.h" -#include "common/torlog.h" -#include "common/compress.h" -#include "common/compress_none.h" - -/** Transfer some bytes using the identity transformation. Read up to - * *in_len bytes from *in, and write up to *out_len bytes - * to *out, adjusting the values as we go. If finish is true, - * we've reached the end of the input. - * - * Return TOR_COMPRESS_DONE if we've finished the entire - * compression/decompression. - * Return TOR_COMPRESS_OK if we're processed everything from the input. - * Return TOR_COMPRESS_BUFFER_FULL if we're out of space on out. - * Return TOR_COMPRESS_ERROR if the stream is corrupt. - */ -tor_compress_output_t -tor_cnone_compress_process(char **out, size_t *out_len, - const char **in, size_t *in_len, - int finish) -{ - size_t n_to_copy = MIN(*in_len, *out_len); - - memcpy(*out, *in, n_to_copy); - *out += n_to_copy; - *in += n_to_copy; - *out_len -= n_to_copy; - *in_len -= n_to_copy; - if (*in_len == 0) { - return finish ? TOR_COMPRESS_DONE : TOR_COMPRESS_OK; - } else { - return TOR_COMPRESS_BUFFER_FULL; - } -} - -- cgit v1.2.3-54-g00ecf