thodg/libgit2/include/git2/blob.h

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• Hash : bb742ede
  Author :
  Date : 2011-09-19T01:54:32
  

  Cleanup legal data 1. The license header is technically not valid if it doesn't have a copyright signature. 2. The COPYING file has been updated with the different licenses used in the project. 3. The full GPLv2 header in each file annoys me.

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• include/git2/blob.h

• /*
   * Copyright (C) 2009-2011 the libgit2 contributors
   *
   * 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_git_blob_h__
  #define INCLUDE_git_blob_h__
  
  #include "common.h"
  #include "types.h"
  #include "oid.h"
  #include "object.h"
  
  /**
   * @file git2/blob.h
   * @brief Git blob load and write routines
   * @defgroup git_blob Git blob load and write routines
   * @ingroup Git
   * @{
   */
  GIT_BEGIN_DECL
  
  /**
   * Lookup a blob object from a repository.
   *
   * @param blob pointer to the looked up blob
   * @param repo the repo to use when locating the blob.
   * @param id identity of the blob to locate.
   * @return GIT_SUCCESS or an error code
   */
  GIT_INLINE(int) git_blob_lookup(git_blob **blob, git_repository *repo, const git_oid *id)
  {
  	return git_object_lookup((git_object **)blob, repo, id, GIT_OBJ_BLOB);
  }
  
  /**
   * Lookup a blob object from a repository,
   * given a prefix of its identifier (short id).
   *
   * @see git_object_lookup_prefix
   *
   * @param blob pointer to the looked up blob
   * @param repo the repo to use when locating the blob.
   * @param id identity of the blob to locate.
   * @param len the length of the short identifier
   * @return GIT_SUCCESS or an error code
   */
  GIT_INLINE(int) git_blob_lookup_prefix(git_blob **blob, git_repository *repo, const git_oid *id, unsigned int len)
  {
  	return git_object_lookup_prefix((git_object **)blob, repo, id, len, GIT_OBJ_BLOB);
  }
  
  /**
   * Close an open blob
   *
   * This is a wrapper around git_object_close()
   *
   * IMPORTANT:
   * It *is* necessary to call this method when you stop
   * using a blob. Failure to do so will cause a memory leak.
   *
   * @param blob the blob to close
   */
  
  GIT_INLINE(void) git_blob_close(git_blob *blob)
  {
  	git_object_close((git_object *) blob);
  }
  
  
  /**
   * Get a read-only buffer with the raw content of a blob.
   *
   * A pointer to the raw content of a blob is returned;
   * this pointer is owned internally by the object and shall
   * not be free'd. The pointer may be invalidated at a later
   * time.
   *
   * @param blob pointer to the blob
   * @return the pointer; NULL if the blob has no contents
   */
  GIT_EXTERN(const void *) git_blob_rawcontent(git_blob *blob);
  
  /**
   * Get the size in bytes of the contents of a blob
   *
   * @param blob pointer to the blob
   * @return size on bytes
   */
  GIT_EXTERN(size_t) git_blob_rawsize(git_blob *blob);
  
  /**
   * Read a file from the working folder of a repository
   * and write it to the Object Database as a loose blob
   *
   * @param oid return the id of the written blob
   * @param repo repository where the blob will be written.
   *	this repository cannot be bare
   * @param path file from which the blob will be created,
   *	relative to the repository's working dir
   * @return GIT_SUCCESS or an error code
   */
  GIT_EXTERN(int) git_blob_create_fromfile(git_oid *oid, git_repository *repo, const char *path);
  
  
  /**
   * Write an in-memory buffer to the ODB as a blob
   *
   * @param oid return the oid of the written blob
   * @param repo repository where to blob will be written
   * @param buffer data to be written into the blob
   * @param len length of the data
   * @return GIT_SUCCESS or an error code
   */
  GIT_EXTERN(int) git_blob_create_frombuffer(git_oid *oid, git_repository *repo, const void *buffer, size_t len);
  
  /** @} */
  GIT_END_DECL
  #endif
  

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