1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/*
* 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'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, git_buf *buf)
*
* > 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.
*
* * 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, git_buf *out)
*
* > Get the default template path.
* > The path is written to the `out` buffer.
*
* * 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
|
