thodg/libgit2/src/index.h

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• Hash : 817c2820
  Author :
  Date : 2011-02-21T17:05:16
  

  Rewrite all file IO for more performance
  
  The new `git_filebuf` structure provides atomic high-performance writes
  to disk by using a write cache, and optionally a double-buffered scheme
  through a worker thread (not enabled yet).
  
  Writes can be done 3-layered, like in git.git (user code -> write cache
  -> disk), or 2-layered, by writing directly on the cache. This makes
  index writing considerably faster.
  
  The `git_filebuf` structure contains all the old functionality of
  `git_filelock` for atomic file writes and reads. The `git_filelock`
  structure has been removed.
  
  Additionally, the `git_filebuf` API allows to automatically hash (SHA1)
  all the data as it is written to disk (hashing is done smartly on big
  chunks to improve performance).
  
  Signed-off-by: Vicent Marti <tanoku@gmail.com>
  

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• src/index.h

• #ifndef INCLUDE_index_h__
  #define INCLUDE_index_h__
  
  #include "fileops.h"
  #include "filebuf.h"
  #include "vector.h"
  #include "git2/odb.h"
  #include "git2/index.h"
  
  struct git_index_tree {
  	char *name;
  
  	struct git_index_tree *parent;
  	struct git_index_tree **children;
  	size_t children_count;
  
  	size_t entries;
  	git_oid oid;
  };
  
  typedef struct git_index_tree git_index_tree;
  
  struct git_index {
  	git_repository *repository;
  	char *index_file_path;
  
  	time_t last_modified;
  	git_vector entries;
  
  	unsigned int sorted:1,
  				 on_disk:1;
  
  	git_index_tree *tree;
  };
  
  #endif
  

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