libgit2/include/git2/common.h
2013-01-23 23:44:34 +01:00

155 lines
3.5 KiB
C

/*
* 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
};
/**
* Set or query a library global option
*
* Available options:
*
* opts(GIT_OPT_MWINDOW_SIZE, size_t):
* set the maximum mmap window size
*
* opts(GIT_OPT_MWINDOW_MAPPED_LIMIT, size_t):
* set the maximum amount of memory that can be mapped at any time
* by the library
*
* @param option Option key
* @param ... value to set the option
*/
GIT_EXTERN(void) git_libgit2_opts(int option, ...);
/** @} */
GIT_END_DECL
#endif