thodg/libgit2/include/git2/common.h

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• Hash : d8771592
  Author :
  Date : 2013-04-22T17:04:52
  

  cache: Max cache size, and evict when the cache fills up

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• include/git2/common.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_git_common_h__
  #define INCLUDE_git_common_h__
  
  #include <time.h>
  #include <stdlib.h>
  
  #ifdef _MSC_VER
  #	include "inttypes.h"
  #else
  #	include <inttypes.h>
  #endif
  
  #ifdef __cplusplus
  # define GIT_BEGIN_DECL extern "C" {
  # define GIT_END_DECL	}
  #else
   /** Start declarations in C mode */
  # define GIT_BEGIN_DECL /* empty */
   /** End declarations in C mode */
  # define GIT_END_DECL	/* empty */
  #endif
  
  /** Declare a public function exported for application use. */
  #if __GNUC__ >= 4
  # define GIT_EXTERN(type) extern \
  			 __attribute__((visibility("default"))) \
  			 type
  #elif defined(_MSC_VER)
  # define GIT_EXTERN(type) __declspec(dllexport) type
  #else
  # define GIT_EXTERN(type) extern type
  #endif
  
  /** Declare a function as always inlined. */
  #if defined(_MSC_VER)
  # define GIT_INLINE(type) static __inline type
  #else
  # define GIT_INLINE(type) static inline type
  #endif
  
  /** Declare a function's takes printf style arguments. */
  #ifdef __GNUC__
  # define GIT_FORMAT_PRINTF(a,b) __attribute__((format (printf, a, b)))
  #else
  # define GIT_FORMAT_PRINTF(a,b) /* empty */
  #endif
  
  #if (defined(_WIN32)) && !defined(__CYGWIN__)
  #define GIT_WIN32 1
  #endif
  
  #ifdef __amigaos4__
  #include <netinet/in.h>
  #endif
  
  /**
   * @file git2/common.h
   * @brief Git common platform definitions
   * @defgroup git_common Git common platform definitions
   * @ingroup Git
   * @{
   */
  
  GIT_BEGIN_DECL
  
  /**
   * The separator used in path list strings (ie like in the PATH
   * environment variable). A semi-colon ";" is used on Windows, and
   * a colon ":" for all other systems.
   */
  #ifdef GIT_WIN32
  #define GIT_PATH_LIST_SEPARATOR ';'
  #else
  #define GIT_PATH_LIST_SEPARATOR ':'
  #endif
  
  /**
   * The maximum length of a valid git path.
   */
  #define GIT_PATH_MAX 4096
  
  /**
   * The string representation of the null object ID.
   */
  #define GIT_OID_HEX_ZERO "0000000000000000000000000000000000000000"
  
  /**
   * Return the version of the libgit2 library
   * being currently used.
   *
   * @param major Store the major version number
   * @param minor Store the minor version number
   * @param rev Store the revision (patch) number
   */
  GIT_EXTERN(void) git_libgit2_version(int *major, int *minor, int *rev);
  
  /**
   * Combinations of these values describe the capabilities of libgit2.
   */
  enum {
  	GIT_CAP_THREADS			= ( 1 << 0 ),
  	GIT_CAP_HTTPS			= ( 1 << 1 )
  };
  
  /**
   * Query compile time options for libgit2.
   *
   * @return A combination of GIT_CAP_* values.
   *
   * - GIT_CAP_THREADS
   *   Libgit2 was compiled with thread support. Note that thread support is still to be seen as a
   *   'work in progress'.
   *
   * - GIT_CAP_HTTPS
   *   Libgit2 supports the https:// protocol. This requires the open ssl library to be
   *   found when compiling libgit2.
   */
  GIT_EXTERN(int) git_libgit2_capabilities(void);
  
  
  enum {
  	GIT_OPT_GET_MWINDOW_SIZE,
  	GIT_OPT_SET_MWINDOW_SIZE,
  	GIT_OPT_GET_MWINDOW_MAPPED_LIMIT,
  	GIT_OPT_SET_MWINDOW_MAPPED_LIMIT,
  	GIT_OPT_GET_SEARCH_PATH,
  	GIT_OPT_SET_SEARCH_PATH,
  	GIT_OPT_SET_CACHE_OBJECT_LIMIT,
  	GIT_OPT_SET_CACHE_MAX_SIZE,
  	GIT_OPT_ENABLE_CACHING
  };
  
  /**
   * Set or query a library global option
   *
   * Available options:
   *
   *	opts(GIT_OPT_GET_MWINDOW_SIZE, size_t *):
   *		Get the maximum mmap window size
   *
   *	opts(GIT_OPT_SET_MWINDOW_SIZE, size_t):
   *		Set the maximum mmap window size
   *
   *	opts(GIT_OPT_GET_MWINDOW_MAPPED_LIMIT, size_t *):
   *		Get the maximum memory that will be mapped in total by the library
   *
   *	opts(GIT_OPT_SET_MWINDOW_MAPPED_LIMIT, size_t):
   *		Set the maximum amount of memory that can be mapped at any time
   *		by the library
   *
   *	opts(GIT_OPT_GET_SEARCH_PATH, int level, char *out, size_t len)
   *		Get the search path for a given level of config data.  "level" must
   *		be one of GIT_CONFIG_LEVEL_SYSTEM, GIT_CONFIG_LEVEL_GLOBAL, or
   *		GIT_CONFIG_LEVEL_XDG.  The search path is written to the `out`
   *		buffer up to size `len`.  Returns GIT_EBUFS if buffer is too small.
   *
   *	opts(GIT_OPT_SET_SEARCH_PATH, int level, const char *path)
   *		Set the search path for a level of config data.  The search path
   *		applied to shared attributes and ignore files, too.
   *      - `path` lists directories delimited by GIT_PATH_LIST_SEPARATOR.
   *		  Pass NULL to reset to the default (generally based on environment
   *		  variables).  Use magic path `$PATH` to include the old value
   *		  of the path (if you want to prepend or append, for instance).
   *		- `level` must be GIT_CONFIG_LEVEL_SYSTEM, GIT_CONFIG_LEVEL_GLOBAL,
   *		  or GIT_CONFIG_LEVEL_XDG.
   *
   * @param option Option key
   * @param ... value to set the option
   * @return 0 on success, <0 on failure
   */
  GIT_EXTERN(int) git_libgit2_opts(int option, ...);
  
  /** @} */
  GIT_END_DECL
  
  #endif
  

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