diff options
author | Lasse Collin <lasse.collin@tukaani.org> | 2008-08-28 22:53:15 +0300 |
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committer | Lasse Collin <lasse.collin@tukaani.org> | 2008-08-28 22:53:15 +0300 |
commit | 3b34851de1eaf358cf9268922fa0eeed8278d680 (patch) | |
tree | 7bab212af647541df64227a8d350d17a2e789f6b /src/liblzma/common/delta_common.c | |
parent | Fix test_filter_flags to match the new restriction of lc+lp. (diff) | |
download | xz-3b34851de1eaf358cf9268922fa0eeed8278d680.tar.xz |
Sort of garbage collection commit. :-| Many things are still
broken. API has changed a lot and it will still change a
little more here and there. The command line tool doesn't
have all the required changes to reflect the API changes, so
it's easy to get "internal error" or trigger assertions.
Diffstat (limited to 'src/liblzma/common/delta_common.c')
-rw-r--r-- | src/liblzma/common/delta_common.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/src/liblzma/common/delta_common.c b/src/liblzma/common/delta_common.c deleted file mode 100644 index acd31e14..00000000 --- a/src/liblzma/common/delta_common.c +++ /dev/null @@ -1,66 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \file delta_common.c -/// \brief Common stuff for Delta encoder and decoder -// -// Copyright (C) 2007 Lasse Collin -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Lesser General Public License for more details. -// -/////////////////////////////////////////////////////////////////////////////// - -#include "delta_common.h" - - -static void -delta_coder_end(lzma_coder *coder, lzma_allocator *allocator) -{ - lzma_next_coder_end(&coder->next, allocator); - lzma_free(coder, allocator); - return; -} - - -extern lzma_ret -lzma_delta_coder_init(lzma_next_coder *next, lzma_allocator *allocator, - const lzma_filter_info *filters, lzma_code_function code) -{ - // Allocate memory for the decoder if needed. - if (next->coder == NULL) { - next->coder = lzma_alloc(sizeof(lzma_coder), allocator); - if (next->coder == NULL) - return LZMA_MEM_ERROR; - - // End function is the same for encoder and decoder. - next->end = &delta_coder_end; - next->coder->next = LZMA_NEXT_CODER_INIT; - } - - // Coding function is different for encoder and decoder. - next->code = code; - - // Set the delta distance. - if (filters[0].options == NULL) - return LZMA_PROG_ERROR; - next->coder->distance = ((lzma_options_delta *)(filters[0].options)) - ->distance; - if (next->coder->distance < LZMA_DELTA_DISTANCE_MIN - || next->coder->distance > LZMA_DELTA_DISTANCE_MAX) - return LZMA_HEADER_ERROR; - - // Initialize the rest of the variables. - next->coder->pos = 0; - memzero(next->coder->history, LZMA_DELTA_DISTANCE_MAX); - - // Initialize the next decoder in the chain, if any. - return lzma_next_filter_init(&next->coder->next, - allocator, filters + 1); -} |