thodg/libgit2/src/zstream.h

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• Hash : 0fd0bfe4
  Author :
  Date : 2018-02-08T22:51:46
  

  Merge pull request #4450 from libgit2/ethomson/odb_loose_readstream Streaming read support for the loose ODB backend

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• src/zstream.h

• /*
   * 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 "common.h"
  
  #include <zlib.h>
  
  #include "buffer.h"
  
  typedef enum {
  	GIT_ZSTREAM_INFLATE,
  	GIT_ZSTREAM_DEFLATE,
  } git_zstream_t;
  
  typedef struct {
  	z_stream z;
  	git_zstream_t type;
  	const char *in;
  	size_t in_len;
  	int flush;
  	int zerr;
  } git_zstream;
  
  #define GIT_ZSTREAM_INIT {{0}}
  
  int git_zstream_init(git_zstream *zstream, git_zstream_t type);
  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);
  
  /* get as much output as is available in the input buffer */
  int git_zstream_get_output_chunk(
  	void *out, size_t *out_len, git_zstream *zstream);
  
  /* get all the output from the entire input buffer */
  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);
  int git_zstream_inflatebuf(git_buf *out, const void *in, size_t in_len);
  
  #endif
  

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