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* 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'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 features with which libgit2

* was compiled

typedef enum {

GIT_FEATURE_THREADS = (1 << 0),

GIT_FEATURE_HTTPS = (1 << 1),

GIT_FEATURE_SSH = (1 << 2),

} git_feature_t;

/**

* Query compile time options for libgit2.

* @return A combination of GIT_FEATURE_* values.

* - GIT_FEATURE_THREADS

* Libgit2 was compiled with thread support. Note that thread support is

* still to be seen as a 'work in progress' - basic object lookups are

* believed to be threadsafe, but other operations may not be.

* - GIT_FEATURE_HTTPS

* Libgit2 supports the https:// protocol. This requires the openssl

* library to be found when compiling libgit2.

* - GIT_FEATURE_SSH

* Libgit2 supports the SSH protocol for network operations. This requires

* the libssh2 library to be found when compiling libgit2

GIT_EXTERN(int) git_libgit2_features(void);

typedef 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,

GIT_OPT_GET_CACHED_MEMORY,

GIT_OPT_GET_TEMPLATE_PATH,

GIT_OPT_SET_TEMPLATE_PATH

} git_libgit2_opt_t;

/**

* 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.

* * opts(GIT_OPT_SET_CACHE_OBJECT_LIMIT, git_otype type, size_t size)

* > Set the maximum data size for the given type of object to be

* > considered eligible for caching in memory. Setting to value to

* > zero means that that type of object will not be cached.

* > Defaults to 0 for GIT_OBJ_BLOB (i.e. won't cache blobs) and 4k

* > for GIT_OBJ_COMMIT, GIT_OBJ_TREE, and GIT_OBJ_TAG.

* * opts(GIT_OPT_SET_CACHE_MAX_SIZE, ssize_t max_storage_bytes)

* > Set the maximum total data size that will be cached in memory

* > across all repositories before libgit2 starts evicting objects

* > from the cache. This is a soft limit, in that the library might

* > briefly exceed it, but will start aggressively evicting objects

* > from cache when that happens. The default cache size is 256Mb.

* * opts(GIT_OPT_ENABLE_CACHING, int enabled)

* > Enable or disable caching completely.

* >

* > Because caches are repository-specific, disabling the cache

* > cannot immediately clear all cached objects, but each cache will

* > be cleared on the next attempt to update anything in it.

* * opts(GIT_OPT_GET_CACHED_MEMORY, ssize_t *current, ssize_t *allowed)

* > Get the current bytes in cache and the maximum that would be

* > allowed in the cache.

* * opts(GIT_OPT_GET_TEMPLATE_PATH, char *out, size_t len)

* > Get the default template path.

* > The path is written to the `out`

* > buffer up to size `len`. Returns GIT_EBUFS if buffer is too small.

* * opts(GIT_OPT_SET_TEMPLATE_PATH, const char *path)

* > Set the default template path.

* >

* > - `path` directory of template.

* @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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