_GIT_INDEX_OUTPUT: allow plumbing to output to an alternative index file.
[git/git.git] / cache.h
CommitLineData
e83c5163
LT
1#ifndef CACHE_H
2#define CACHE_H
3
4050c0df 4#include "git-compat-util.h"
e83c5163 5
cef661fc 6#include SHA1_HEADER
e83c5163
LT
7#include <zlib.h>
8
9da3acfb
ET
9#if ZLIB_VERNUM < 0x1200
10#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
11#endif
12
962554c6 13#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
b6829693
ET
14#define DTYPE(de) ((de)->d_type)
15#else
0bdd79af
JH
16#undef DT_UNKNOWN
17#undef DT_DIR
18#undef DT_REG
19#undef DT_LNK
b6829693
ET
20#define DT_UNKNOWN 0
21#define DT_DIR 1
22#define DT_REG 2
a15c1c60 23#define DT_LNK 3
b6829693
ET
24#define DTYPE(de) DT_UNKNOWN
25#endif
26
2386d658
LT
27/*
28 * Intensive research over the course of many years has shown that
29 * port 9418 is totally unused by anything else. Or
30 *
31 * Your search - "port 9418" - did not match any documents.
32 *
33 * as www.google.com puts it.
ba8a4970
LT
34 *
35 * This port has been properly assigned for git use by IANA:
36 * git (Assigned-9418) [I06-050728-0001].
37 *
38 * git 9418/tcp git pack transfer service
39 * git 9418/udp git pack transfer service
40 *
41 * with Linus Torvalds <torvalds@osdl.org> as the point of
42 * contact. September 2005.
43 *
44 * See http://www.iana.org/assignments/port-numbers
2386d658
LT
45 */
46#define DEFAULT_GIT_PORT 9418
47
e83c5163
LT
48/*
49 * Basic data structures for the directory cache
e83c5163
LT
50 */
51
52#define CACHE_SIGNATURE 0x44495243 /* "DIRC" */
53struct cache_header {
ccc4feb5
LT
54 unsigned int hdr_signature;
55 unsigned int hdr_version;
56 unsigned int hdr_entries;
e83c5163
LT
57};
58
59/*
60 * The "cache_time" is just the low 32 bits of the
61 * time. It doesn't matter if it overflows - we only
62 * check it for equality in the 32 bits we save.
63 */
64struct cache_time {
65 unsigned int sec;
66 unsigned int nsec;
67};
68
69/*
70 * dev/ino/uid/gid/size are also just tracked to the low 32 bits
71 * Again - this is just a (very strong in practice) heuristic that
72 * the inode hasn't changed.
ccc4feb5
LT
73 *
74 * We save the fields in big-endian order to allow using the
75 * index file over NFS transparently.
e83c5163
LT
76 */
77struct cache_entry {
ccc4feb5
LT
78 struct cache_time ce_ctime;
79 struct cache_time ce_mtime;
80 unsigned int ce_dev;
81 unsigned int ce_ino;
82 unsigned int ce_mode;
83 unsigned int ce_uid;
84 unsigned int ce_gid;
85 unsigned int ce_size;
e83c5163 86 unsigned char sha1[20];
f5cabd13 87 unsigned short ce_flags;
8f1d2e6f 88 char name[FLEX_ARRAY]; /* more */
e83c5163
LT
89};
90
95fd5bf8
LT
91#define CE_NAMEMASK (0x0fff)
92#define CE_STAGEMASK (0x3000)
220a0b52 93#define CE_UPDATE (0x4000)
5f73076c 94#define CE_VALID (0x8000)
aee46198 95#define CE_STAGESHIFT 12
95fd5bf8 96
aee46198
JH
97#define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT))
98#define ce_namelen(ce) (CE_NAMEMASK & ntohs((ce)->ce_flags))
99#define ce_size(ce) cache_entry_size(ce_namelen(ce))
100#define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT)
101
e4479470 102#define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
8ae0a8c5
KS
103static inline unsigned int create_ce_mode(unsigned int mode)
104{
8ae0a8c5
KS
105 if (S_ISLNK(mode))
106 return htonl(S_IFLNK);
db823d4a 107 return htonl(S_IFREG | ce_permissions(mode));
8ae0a8c5 108}
185c975f
JH
109static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode)
110{
78a8d641
JS
111 extern int trust_executable_bit, has_symlinks;
112 if (!has_symlinks && S_ISREG(mode) &&
113 ce && S_ISLNK(ntohl(ce->ce_mode)))
114 return ce->ce_mode;
185c975f
JH
115 if (!trust_executable_bit && S_ISREG(mode)) {
116 if (ce && S_ISREG(ntohl(ce->ce_mode)))
117 return ce->ce_mode;
118 return create_ce_mode(0666);
119 }
120 return create_ce_mode(mode);
121}
1b0c7174
JH
122#define canon_mode(mode) \
123 (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
124 S_ISLNK(mode) ? S_IFLNK : S_IFDIR)
e4479470 125
aee46198 126#define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
f5cabd13 127
88355048
PB
128extern struct cache_entry **active_cache;
129extern unsigned int active_nr, active_alloc, active_cache_changed;
bad68ec9 130extern struct cache_tree *active_cache_tree;
8fd2cb40 131extern int cache_errno;
e83c5163 132
edaec3fb
JH
133enum object_type {
134 OBJ_BAD = -1,
135 OBJ_NONE = 0,
136 OBJ_COMMIT = 1,
137 OBJ_TREE = 2,
138 OBJ_BLOB = 3,
139 OBJ_TAG = 4,
140 /* 5 for future expansion */
141 OBJ_OFS_DELTA = 6,
142 OBJ_REF_DELTA = 7,
143 OBJ_MAX,
144};
145
8ac069ac
JH
146#define GIT_DIR_ENVIRONMENT "GIT_DIR"
147#define DEFAULT_GIT_DIR_ENVIRONMENT ".git"
d19938ab 148#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
bb233d69 149#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
30ca07a2 150#define INDEX_OUTPUT_ENVIRONMENT "_GIT_INDEX_OUTPUT"
5da5c8f4 151#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
d4ebc36c
JH
152#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
153#define CONFIG_ENVIRONMENT "GIT_CONFIG"
154#define CONFIG_LOCAL_ENVIRONMENT "GIT_CONFIG_LOCAL"
155#define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
bb233d69 156
7d1864ce
JH
157extern int is_bare_repository_cfg;
158extern int is_bare_repository(void);
68025633 159extern int is_inside_git_dir(void);
c5fba16c 160extern const char *get_git_dir(void);
8ac069ac 161extern char *get_object_directory(void);
95fc7512 162extern char *get_refs_directory(void);
8ac069ac 163extern char *get_index_file(void);
5da5c8f4 164extern char *get_graft_file(void);
8ac069ac
JH
165
166#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
bb233d69 167
6b5ee137 168extern const char **get_pathspec(const char *prefix, const char **pathspec);
4ca06608 169extern const char *setup_git_directory_gently(int *);
d288a700 170extern const char *setup_git_directory(void);
6b5ee137 171extern const char *prefix_path(const char *prefix, int len, const char *path);
4ca06608 172extern const char *prefix_filename(const char *prefix, int len, const char *path);
e23d0b4a 173extern void verify_filename(const char *prefix, const char *name);
ea92f41f 174extern void verify_non_filename(const char *prefix, const char *name);
d288a700 175
e83c5163
LT
176#define alloc_nr(x) (((x)+16)*3/2)
177
734aab75 178/* Initialize and use the cache information */
e83c5163 179extern int read_cache(void);
8fd2cb40 180extern int read_cache_from(const char *path);
197ee8c9 181extern int write_cache(int newfd, struct cache_entry **cache, int entries);
6d297f81 182extern int discard_cache(void);
8dcf39c4 183extern int verify_path(const char *path);
eb38c22f 184extern int cache_name_pos(const char *name, int namelen);
192268c1
JH
185#define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */
186#define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */
b155725d 187#define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */
192268c1 188extern int add_cache_entry(struct cache_entry *ce, int option);
8fd2cb40 189extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
dbbce55b 190extern int remove_cache_entry_at(int pos);
6b5ee137 191extern int remove_file_from_cache(const char *path);
11be42a4 192extern int add_file_to_index(const char *path, int verbose);
dbbce55b 193extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
5f73076c
JH
194extern int ce_match_stat(struct cache_entry *ce, struct stat *st, int);
195extern int ce_modified(struct cache_entry *ce, struct stat *st, int);
c0fd1f51 196extern int ce_path_match(const struct cache_entry *ce, const char **pathspec);
53bca91a 197extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path);
e7332f96 198extern int read_pipe(int fd, char** return_buf, unsigned long* return_size);
024510c8 199extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object);
ec1fcc16 200extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object);
415e96c8
JH
201extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
202
405e5b2f
LT
203#define REFRESH_REALLY 0x0001 /* ignore_valid */
204#define REFRESH_UNMERGED 0x0002 /* allow unmerged */
205#define REFRESH_QUIET 0x0004 /* be quiet about it */
206#define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */
207extern int refresh_cache(unsigned int flags);
208
021b6e45
JH
209struct lock_file {
210 struct lock_file *next;
1084b845 211 char on_list;
021b6e45 212 char filename[PATH_MAX];
415e96c8 213};
40aaae88 214extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
021b6e45 215extern int commit_lock_file(struct lock_file *);
30ca07a2
JH
216
217extern int hold_locked_index(struct lock_file *, int);
218extern int commit_locked_index(struct lock_file *);
219
021b6e45 220extern void rollback_lock_file(struct lock_file *);
ac5409e4 221extern int delete_ref(const char *, unsigned char *sha1);
734aab75 222
2ae1c53b 223/* Environment bits from configuration mechanism */
93821bd9 224extern int use_legacy_headers;
17712991 225extern int trust_executable_bit;
78a8d641 226extern int has_symlinks;
5f73076c 227extern int assume_unchanged;
9f0bb90d 228extern int prefer_symlink_refs;
6de08ae6 229extern int log_all_ref_updates;
2f8acdb3 230extern int warn_ambiguous_refs;
457f06d6 231extern int shared_repository;
2ae1c53b 232extern const char *apply_default_whitespace;
12f6c308 233extern int zlib_compression_level;
60bb8b14 234extern size_t packed_git_window_size;
77ccc5bb 235extern size_t packed_git_limit;
18bdec11 236extern size_t delta_base_cache_limit;
6c510bee 237extern int auto_crlf;
17712991 238
ab9cb76f
JH
239#define GIT_REPO_VERSION 0
240extern int repository_format_version;
241extern int check_repository_format(void);
242
734aab75
LT
243#define MTIME_CHANGED 0x0001
244#define CTIME_CHANGED 0x0002
245#define OWNER_CHANGED 0x0004
246#define MODE_CHANGED 0x0008
247#define INODE_CHANGED 0x0010
248#define DATA_CHANGED 0x0020
8ae0a8c5 249#define TYPE_CHANGED 0x0040
e83c5163
LT
250
251/* Return a statically allocated filename matching the sha1 signature */
4ec99bf0
TS
252extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
253extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
73134b6d 254extern char *sha1_file_name(const unsigned char *sha1);
bf592c50
DB
255extern char *sha1_pack_name(const unsigned char *sha1);
256extern char *sha1_pack_index_name(const unsigned char *sha1);
013f276e 257extern const char *find_unique_abbrev(const unsigned char *sha1, int);
88cd621d 258extern const unsigned char null_sha1[20];
0bef57ee
DR
259static inline int is_null_sha1(const unsigned char *sha1)
260{
261 return !memcmp(sha1, null_sha1, 20);
262}
a89fccd2
DR
263static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
264{
265 return memcmp(sha1, sha2, 20);
266}
e702496e
SP
267static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)
268{
269 memcpy(sha_dst, sha_src, 20);
270}
a8e0d16d
JH
271static inline void hashclr(unsigned char *hash)
272{
273 memset(hash, 0, 20);
274}
e83c5163 275
f2db68ed
HE
276int git_mkstemp(char *path, size_t n, const char *template);
277
94df2506
JH
278enum sharedrepo {
279 PERM_UMASK = 0,
280 PERM_GROUP,
281 PERM_EVERYBODY
282};
283int git_config_perm(const char *var, const char *value);
457f06d6 284int adjust_shared_perm(const char *path);
b2cb9425 285int safe_create_leading_directories(char *path);
bd22c904 286char *enter_repo(char *path, int strict);
b2cb9425 287
e83c5163 288/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
21666f1a 289extern int sha1_object_info(const unsigned char *, unsigned long *);
21666f1a 290extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
ce9fbf16 291extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
bf0f910d 292extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
21666f1a 293extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
8237b185 294
5d6ccf5c 295extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
e83c5163 296
70b9829e
DB
297extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer,
298 size_t bufsize, size_t *bufposn);
a5eda52b 299extern int write_sha1_to_fd(int fd, const unsigned char *sha1);
839837b9 300extern int move_temp_to_file(const char *tmpfile, const char *filename);
8237b185 301
106d710b 302extern int has_sha1_pack(const unsigned char *sha1, const char **ignore);
8237b185 303extern int has_sha1_file(const unsigned char *sha1);
bb6b8e4f
JH
304extern void *map_sha1_file(const unsigned char *sha1, unsigned long *);
305extern int legacy_loose_object(unsigned char *);
8237b185 306
bf592c50
DB
307extern int has_pack_file(const unsigned char *sha1);
308extern int has_pack_index(const unsigned char *sha1);
309
e49521b5
JH
310extern signed char hexval_table[256];
311static inline unsigned int hexval(unsigned int c)
312{
313 return hexval_table[c];
314}
315
e83c5163 316/* Convert to/from hex/sha1 representation */
46a6c262
JH
317#define MINIMUM_ABBREV 4
318#define DEFAULT_ABBREV 7
319
3c249c95 320extern int get_sha1(const char *str, unsigned char *sha1);
197ee8c9
LT
321extern int get_sha1_hex(const char *hex, unsigned char *sha1);
322extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
ca8db142 323extern int read_ref(const char *filename, unsigned char *sha1);
8da19775 324extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *);
e86eb666 325extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
eb3a4822 326extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
e86eb666 327
8b5157e4 328extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg);
c847f537 329extern int validate_headref(const char *ref);
e83c5163 330
958ba6c9 331extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);
79517a06 332extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);
e83c5163 333
40469ee9 334extern void *read_object_with_reference(const unsigned char *sha1,
bf0f910d 335 const char *required_type,
40469ee9
JH
336 unsigned long *size,
337 unsigned char *sha1_ret);
f4913f91 338
f8493ec0
JS
339enum date_mode { DATE_NORMAL = 0, DATE_RELATIVE, DATE_SHORT };
340const char *show_date(unsigned long time, int timezone, enum date_mode mode);
2a387043 341const char *show_rfc2822_date(unsigned long time, int timezone);
2a39064c 342int parse_date(const char *date, char *buf, int bufsize);
ecee9d9e 343void datestamp(char *buf, int bufsize);
3c07b1d1 344unsigned long approxidate(const char *);
ecee9d9e 345
749be728
JH
346extern const char *git_author_info(int);
347extern const char *git_committer_info(int);
798123af 348extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int);
6aa33f40 349
12dccc16
LT
350struct checkout {
351 const char *base_dir;
352 int base_dir_len;
353 unsigned force:1,
354 quiet:1,
355 not_new:1,
356 refresh_cache:1;
357};
358
de84f99c 359extern int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath);
12dccc16 360
9a217f2a 361extern struct alternate_object_database {
d5a63b99 362 struct alternate_object_database *next;
9a217f2a 363 char *name;
8f1d2e6f 364 char base[FLEX_ARRAY]; /* more */
d5a63b99 365} *alt_odb_list;
9a217f2a
JH
366extern void prepare_alt_odb(void);
367
c41ee586
SP
368struct pack_window {
369 struct pack_window *next;
370 unsigned char *base;
371 off_t offset;
372 size_t len;
373 unsigned int last_used;
374 unsigned int inuse_cnt;
375};
376
9a217f2a
JH
377extern struct packed_git {
378 struct packed_git *next;
c41ee586 379 struct pack_window *windows;
42873078 380 const void *index_data;
2dc3a234
SP
381 off_t index_size;
382 off_t pack_size;
42873078
NP
383 time_t mtime;
384 int index_version;
9bc879c1 385 int pack_fd;
9d835df2 386 int pack_local;
bf592c50 387 unsigned char sha1[20];
8f1d2e6f
JH
388 /* something like ".git/objects/pack/xxxxx.pack" */
389 char pack_name[FLEX_ARRAY]; /* more */
9a217f2a 390} *packed_git;
f3bf9224
JH
391
392struct pack_entry {
c4001d92 393 off_t offset;
f3bf9224
JH
394 unsigned char sha1[20];
395 struct packed_git *p;
396};
397
d1c133f5
LT
398struct ref {
399 struct ref *next;
400 unsigned char old_sha1[20];
401 unsigned char new_sha1[20];
ff27adf3 402 unsigned char force;
f88395ac 403 struct ref *peer_ref; /* when renaming */
8f1d2e6f 404 char name[FLEX_ARRAY]; /* more */
d1c133f5
LT
405};
406
2718ff09
LT
407#define REF_NORMAL (1u << 0)
408#define REF_HEADS (1u << 1)
409#define REF_TAGS (1u << 2)
410
f42a5c4e 411extern pid_t git_connect(int fd[2], char *url, const char *prog);
f7192598 412extern int finish_connect(pid_t pid);
013e7c7f 413extern int path_match(const char *path, int nr, char **match);
f88395ac
JH
414extern int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
415 int nr_refspec, char **refspec, int all);
41cb7488 416extern int get_ack(int fd, unsigned char *result_sha1);
2718ff09 417extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags);
211b5f9e 418extern int server_supports(const char *feature);
f7192598 419
bf592c50 420extern struct packed_git *parse_pack_index(unsigned char *sha1);
2ab141a2 421extern struct packed_git *parse_pack_index_file(const unsigned char *sha1,
42873078 422 const char *idx_path);
bf592c50 423
9a217f2a 424extern void prepare_packed_git(void);
fc04c412 425extern void reprepare_packed_git(void);
bf592c50
DB
426extern void install_packed_git(struct packed_git *pack);
427
428extern struct packed_git *find_sha1_pack(const unsigned char *sha1,
429 struct packed_git *packs);
430
276bc2ca 431extern void pack_report(void);
c4001d92 432extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *);
03e79c88 433extern void unuse_pack(struct pack_window **);
42873078 434extern struct packed_git *add_packed_git(const char *, int, int);
326bf396
SP
435extern uint32_t num_packed_objects(const struct packed_git *p);
436extern int nth_packed_object_sha1(const struct packed_git *, uint32_t, unsigned char*);
c4001d92
SP
437extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *);
438extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *);
72518e9c 439extern unsigned long unpack_object_header_gently(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
c4001d92 440extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
9a217f2a 441
8f3f9b09
JH
442/* Dumb servers support */
443extern int update_server_info(int);
444
17712991
LT
445typedef int (*config_fn_t)(const char *, const char *);
446extern int git_default_config(const char *, const char *);
4f629539 447extern int git_config_from_file(config_fn_t fn, const char *);
17712991
LT
448extern int git_config(config_fn_t fn);
449extern int git_config_int(const char *, const char *);
450extern int git_config_bool(const char *, const char *);
10bea152 451extern int git_config_set(const char *, const char *);
4ddba79d 452extern int git_config_set_multivar(const char *, const char *, const char *, int);
0667fcfb 453extern int git_config_rename_section(const char *, const char *);
ab9cb76f 454extern int check_repository_format_version(const char *var, const char *value);
17712991 455
e1b10391
LT
456#define MAX_GITNAME (1000)
457extern char git_default_email[MAX_GITNAME];
458extern char git_default_name[MAX_GITNAME];
459
1a8f2741 460extern const char *git_commit_encoding;
3a55602e 461extern const char *git_log_output_encoding;
4e72dcec 462
f3123c4a 463extern int copy_fd(int ifd, int ofd);
93d26e4c 464extern int read_in_full(int fd, void *buf, size_t count);
e0814056 465extern int write_in_full(int fd, const void *buf, size_t count);
7230e6d0 466extern void write_or_die(int fd, const void *buf, size_t count);
6ce4e61f 467extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
e0814056 468extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
ad897215 469
f67b45f8
LT
470/* pager.c */
471extern void setup_pager(void);
85fb65ed 472extern int pager_in_use;
aa086eb8 473extern int pager_use_color;
f67b45f8 474
051308f6
JH
475/* base85 */
476int decode_85(char *dst, char *line, int linelen);
0660626c 477void encode_85(char *buf, unsigned char *data, int bytes);
051308f6 478
855419f7
LT
479/* alloc.c */
480struct blob;
481struct tree;
482struct commit;
483struct tag;
484extern struct blob *alloc_blob_node(void);
485extern struct tree *alloc_tree_node(void);
486extern struct commit *alloc_commit_node(void);
487extern struct tag *alloc_tag_node(void);
488extern void alloc_report(void);
489
6ce4e61f 490/* trace.c */
0746d19a 491extern int nfasprintf(char **str, const char *fmt, ...);
6ce4e61f
CC
492extern int nfvasprintf(char **str, const char *fmt, va_list va);
493extern void trace_printf(const char *format, ...);
494extern void trace_argv_printf(const char **argv, int count, const char *format, ...);
495
6c510bee
LT
496/* convert.c */
497extern int convert_to_git(const char *path, char **bufp, unsigned long *sizep);
498extern int convert_to_working_tree(const char *path, char **bufp, unsigned long *sizep);
499
e83c5163 500#endif /* CACHE_H */