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[libgit2.git] / include / git2 / common.h

/*
 * Copyright (C) 2009-2012 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_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(_WIN64)) && !defined(__CYGWIN__)
#define GIT_WIN32 1
#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 git valid git path.
 */
#define GIT_PATH_MAX 4096

typedef struct {
	char **strings;
	size_t count;
} git_strarray;

GIT_EXTERN(void) git_strarray_free(git_strarray *array);

/**
 * 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);

/** @} */
GIT_END_DECL
#endif