thodg/libgit2/src/zstream.h
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Hash : d9b04d78
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Date : 2014-01-29T15:02:35
Reorganize zstream API and fix wrap problems There were some confusing issues mixing up the number of bytes written to the zstream output buffer with the number of bytes consumed from the zstream input. This reorganizes the zstream API and makes it easier to deflate an arbitrarily large input while still using a fixed size output.
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src/zstream.h
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/* * Copyright (C) the libgit2 contributors. All rights reserved. * * This file is part of libgit2, distributed under the GNU GPL v2 with * a Linking Exception. For full terms see the included COPYING file. */ #ifndef INCLUDE_zstream_h__ #define INCLUDE_zstream_h__ #include <zlib.h> #include "common.h" #include "buffer.h" typedef struct { z_stream z; const char *in; size_t in_len; int zerr; } git_zstream; #define GIT_ZSTREAM_INIT {{0}} int git_zstream_init(git_zstream *zstream); void git_zstream_free(git_zstream *zstream); int git_zstream_set_input(git_zstream *zstream, const void *in, size_t in_len); size_t git_zstream_suggest_output_len(git_zstream *zstream); int git_zstream_get_output(void *out, size_t *out_len, git_zstream *zstream); bool git_zstream_done(git_zstream *zstream); void git_zstream_reset(git_zstream *zstream); int git_zstream_deflatebuf(git_buf *out, const void *in, size_t in_len); #endif /* INCLUDE_zstream_h__ */