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Commit | Line | Data |
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e83c5163 LT |
1 | #ifndef CACHE_H |
2 | #define CACHE_H | |
3 | ||
2dee0609 | 4 | #include <unistd.h> |
e83c5163 LT |
5 | #include <stdio.h> |
6 | #include <sys/stat.h> | |
7 | #include <fcntl.h> | |
8 | #include <stddef.h> | |
9 | #include <stdlib.h> | |
10 | #include <stdarg.h> | |
bf0c6e83 | 11 | #include <string.h> |
e83c5163 | 12 | #include <errno.h> |
6b0c3121 | 13 | #include <limits.h> |
730d48a2 | 14 | #ifndef NO_MMAP |
e83c5163 | 15 | #include <sys/mman.h> |
730d48a2 | 16 | #endif |
bb233d69 | 17 | #include <sys/param.h> |
ccc4feb5 | 18 | #include <netinet/in.h> |
575f4974 LT |
19 | #include <sys/types.h> |
20 | #include <dirent.h> | |
e83c5163 | 21 | |
cef661fc | 22 | #include SHA1_HEADER |
e83c5163 LT |
23 | #include <zlib.h> |
24 | ||
9da3acfb ET |
25 | #if ZLIB_VERNUM < 0x1200 |
26 | #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) | |
27 | #endif | |
28 | ||
b6829693 ET |
29 | #ifdef DT_UNKNOWN |
30 | #define DTYPE(de) ((de)->d_type) | |
31 | #else | |
32 | #define DT_UNKNOWN 0 | |
33 | #define DT_DIR 1 | |
34 | #define DT_REG 2 | |
a15c1c60 | 35 | #define DT_LNK 3 |
b6829693 ET |
36 | #define DTYPE(de) DT_UNKNOWN |
37 | #endif | |
38 | ||
90334cf7 LT |
39 | #ifdef __GNUC__ |
40 | #define NORETURN __attribute__((__noreturn__)) | |
41 | #else | |
42 | #define NORETURN | |
4ec99bf0 | 43 | #ifndef __attribute__ |
75ea6911 | 44 | #define __attribute__(x) |
4ec99bf0 | 45 | #endif |
f1d090e1 | 46 | #endif |
4ec99bf0 | 47 | |
2386d658 LT |
48 | /* |
49 | * Intensive research over the course of many years has shown that | |
50 | * port 9418 is totally unused by anything else. Or | |
51 | * | |
52 | * Your search - "port 9418" - did not match any documents. | |
53 | * | |
54 | * as www.google.com puts it. | |
ba8a4970 LT |
55 | * |
56 | * This port has been properly assigned for git use by IANA: | |
57 | * git (Assigned-9418) [I06-050728-0001]. | |
58 | * | |
59 | * git 9418/tcp git pack transfer service | |
60 | * git 9418/udp git pack transfer service | |
61 | * | |
62 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
63 | * contact. September 2005. | |
64 | * | |
65 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
66 | */ |
67 | #define DEFAULT_GIT_PORT 9418 | |
68 | ||
e83c5163 LT |
69 | /* |
70 | * Basic data structures for the directory cache | |
e83c5163 LT |
71 | */ |
72 | ||
73 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
74 | struct cache_header { | |
ccc4feb5 LT |
75 | unsigned int hdr_signature; |
76 | unsigned int hdr_version; | |
77 | unsigned int hdr_entries; | |
e83c5163 LT |
78 | }; |
79 | ||
80 | /* | |
81 | * The "cache_time" is just the low 32 bits of the | |
82 | * time. It doesn't matter if it overflows - we only | |
83 | * check it for equality in the 32 bits we save. | |
84 | */ | |
85 | struct cache_time { | |
86 | unsigned int sec; | |
87 | unsigned int nsec; | |
88 | }; | |
89 | ||
90 | /* | |
91 | * dev/ino/uid/gid/size are also just tracked to the low 32 bits | |
92 | * Again - this is just a (very strong in practice) heuristic that | |
93 | * the inode hasn't changed. | |
ccc4feb5 LT |
94 | * |
95 | * We save the fields in big-endian order to allow using the | |
96 | * index file over NFS transparently. | |
e83c5163 LT |
97 | */ |
98 | struct cache_entry { | |
ccc4feb5 LT |
99 | struct cache_time ce_ctime; |
100 | struct cache_time ce_mtime; | |
101 | unsigned int ce_dev; | |
102 | unsigned int ce_ino; | |
103 | unsigned int ce_mode; | |
104 | unsigned int ce_uid; | |
105 | unsigned int ce_gid; | |
106 | unsigned int ce_size; | |
e83c5163 | 107 | unsigned char sha1[20]; |
f5cabd13 | 108 | unsigned short ce_flags; |
2c04662d | 109 | char name[0]; |
e83c5163 LT |
110 | }; |
111 | ||
95fd5bf8 LT |
112 | #define CE_NAMEMASK (0x0fff) |
113 | #define CE_STAGEMASK (0x3000) | |
220a0b52 | 114 | #define CE_UPDATE (0x4000) |
aee46198 | 115 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 116 | |
aee46198 JH |
117 | #define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT)) |
118 | #define ce_namelen(ce) (CE_NAMEMASK & ntohs((ce)->ce_flags)) | |
119 | #define ce_size(ce) cache_entry_size(ce_namelen(ce)) | |
120 | #define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT) | |
121 | ||
e4479470 | 122 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
123 | static inline unsigned int create_ce_mode(unsigned int mode) |
124 | { | |
8ae0a8c5 KS |
125 | if (S_ISLNK(mode)) |
126 | return htonl(S_IFLNK); | |
db823d4a | 127 | return htonl(S_IFREG | ce_permissions(mode)); |
8ae0a8c5 | 128 | } |
e4479470 | 129 | |
aee46198 | 130 | #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7) |
f5cabd13 | 131 | |
88355048 PB |
132 | extern struct cache_entry **active_cache; |
133 | extern unsigned int active_nr, active_alloc, active_cache_changed; | |
e83c5163 | 134 | |
8ac069ac JH |
135 | #define GIT_DIR_ENVIRONMENT "GIT_DIR" |
136 | #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" | |
d19938ab | 137 | #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" |
bb233d69 | 138 | #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" |
5da5c8f4 | 139 | #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" |
bb233d69 | 140 | |
5da1606d | 141 | extern char *get_git_dir(void); |
8ac069ac | 142 | extern char *get_object_directory(void); |
95fc7512 | 143 | extern char *get_refs_directory(void); |
8ac069ac | 144 | extern char *get_index_file(void); |
5da5c8f4 | 145 | extern char *get_graft_file(void); |
8ac069ac JH |
146 | |
147 | #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" | |
bb233d69 | 148 | |
6b5ee137 | 149 | extern const char **get_pathspec(const char *prefix, const char **pathspec); |
4ca06608 | 150 | extern const char *setup_git_directory_gently(int *); |
d288a700 | 151 | extern const char *setup_git_directory(void); |
6b5ee137 | 152 | extern const char *prefix_path(const char *prefix, int len, const char *path); |
4ca06608 | 153 | extern const char *prefix_filename(const char *prefix, int len, const char *path); |
d288a700 | 154 | |
e83c5163 LT |
155 | #define alloc_nr(x) (((x)+16)*3/2) |
156 | ||
734aab75 | 157 | /* Initialize and use the cache information */ |
e83c5163 | 158 | extern int read_cache(void); |
197ee8c9 | 159 | extern int write_cache(int newfd, struct cache_entry **cache, int entries); |
eb38c22f | 160 | extern int cache_name_pos(const char *name, int namelen); |
192268c1 JH |
161 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
162 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 163 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
192268c1 | 164 | extern int add_cache_entry(struct cache_entry *ce, int option); |
dbbce55b | 165 | extern int remove_cache_entry_at(int pos); |
6b5ee137 | 166 | extern int remove_file_from_cache(const char *path); |
dbbce55b | 167 | extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); |
5d728c84 | 168 | extern int ce_match_stat(struct cache_entry *ce, struct stat *st); |
b0391890 | 169 | extern int ce_modified(struct cache_entry *ce, struct stat *st); |
c0fd1f51 | 170 | extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); |
7672db20 | 171 | extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, const char *type); |
ec1fcc16 | 172 | extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); |
415e96c8 JH |
173 | extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); |
174 | ||
175 | struct cache_file { | |
176 | struct cache_file *next; | |
177 | char lockfile[PATH_MAX]; | |
178 | }; | |
179 | extern int hold_index_file_for_update(struct cache_file *, const char *path); | |
180 | extern int commit_index_file(struct cache_file *); | |
181 | extern void rollback_index_file(struct cache_file *); | |
734aab75 | 182 | |
17712991 | 183 | extern int trust_executable_bit; |
f8348be3 | 184 | extern int only_use_symrefs; |
3299c6f6 | 185 | extern int diff_rename_limit_default; |
17712991 | 186 | |
ab9cb76f JH |
187 | #define GIT_REPO_VERSION 0 |
188 | extern int repository_format_version; | |
189 | extern int check_repository_format(void); | |
190 | ||
734aab75 LT |
191 | #define MTIME_CHANGED 0x0001 |
192 | #define CTIME_CHANGED 0x0002 | |
193 | #define OWNER_CHANGED 0x0004 | |
194 | #define MODE_CHANGED 0x0008 | |
195 | #define INODE_CHANGED 0x0010 | |
196 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 197 | #define TYPE_CHANGED 0x0040 |
e83c5163 LT |
198 | |
199 | /* Return a statically allocated filename matching the sha1 signature */ | |
4ec99bf0 TS |
200 | extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); |
201 | extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); | |
73134b6d | 202 | extern char *sha1_file_name(const unsigned char *sha1); |
bf592c50 DB |
203 | extern char *sha1_pack_name(const unsigned char *sha1); |
204 | extern char *sha1_pack_index_name(const unsigned char *sha1); | |
013f276e | 205 | extern const char *find_unique_abbrev(const unsigned char *sha1, int); |
88cd621d | 206 | extern const unsigned char null_sha1[20]; |
e83c5163 | 207 | |
f2db68ed HE |
208 | int git_mkstemp(char *path, size_t n, const char *template); |
209 | ||
b2cb9425 | 210 | int safe_create_leading_directories(char *path); |
f2db68ed | 211 | char *safe_strncpy(char *, const char *, size_t); |
bd22c904 | 212 | char *enter_repo(char *path, int strict); |
b2cb9425 | 213 | |
e83c5163 | 214 | /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ |
c4483576 | 215 | extern int unpack_sha1_header(z_stream *stream, void *map, unsigned long mapsize, void *buffer, unsigned long size); |
5180cacc | 216 | extern int parse_sha1_header(char *hdr, char *type, unsigned long *sizep); |
36e4d74a | 217 | extern int sha1_object_info(const unsigned char *, char *, unsigned long *); |
2ade9340 | 218 | extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned long *size); |
73134b6d | 219 | extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size); |
bf0f910d | 220 | extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1); |
7672db20 BL |
221 | extern char *write_sha1_file_prepare(void *buf, |
222 | unsigned long len, | |
223 | const char *type, | |
224 | unsigned char *sha1, | |
225 | unsigned char *hdr, | |
226 | int *hdrlen); | |
8237b185 | 227 | |
5d6ccf5c | 228 | extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); |
e83c5163 | 229 | |
94537c78 | 230 | /* Read a tree into the cache */ |
3e587635 | 231 | extern int read_tree(void *buffer, unsigned long size, int stage, const char **paths); |
94537c78 | 232 | |
70b9829e DB |
233 | extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer, |
234 | size_t bufsize, size_t *bufposn); | |
a5eda52b | 235 | extern int write_sha1_to_fd(int fd, const unsigned char *sha1); |
b721e01f | 236 | extern int move_temp_to_file(const char *tmpfile, char *filename); |
8237b185 | 237 | |
dade09c2 | 238 | extern int has_sha1_pack(const unsigned char *sha1); |
8237b185 DB |
239 | extern int has_sha1_file(const unsigned char *sha1); |
240 | ||
bf592c50 DB |
241 | extern int has_pack_file(const unsigned char *sha1); |
242 | extern int has_pack_index(const unsigned char *sha1); | |
243 | ||
e83c5163 | 244 | /* Convert to/from hex/sha1 representation */ |
3c249c95 | 245 | extern int get_sha1(const char *str, unsigned char *sha1); |
197ee8c9 LT |
246 | extern int get_sha1_hex(const char *hex, unsigned char *sha1); |
247 | extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ | |
ca8db142 | 248 | extern int read_ref(const char *filename, unsigned char *sha1); |
a876ed83 | 249 | extern const char *resolve_ref(const char *path, unsigned char *sha1, int); |
8098a178 JH |
250 | extern int create_symref(const char *git_HEAD, const char *refs_heads_master); |
251 | extern int validate_symref(const char *git_HEAD); | |
e83c5163 LT |
252 | |
253 | /* General helper functions */ | |
90334cf7 | 254 | extern void usage(const char *err) NORETURN; |
4ec99bf0 TS |
255 | extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2))); |
256 | extern int error(const char *err, ...) __attribute__((format (printf, 1, 2))); | |
2de381f9 | 257 | |
958ba6c9 | 258 | extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
79517a06 | 259 | extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); |
e83c5163 | 260 | |
40469ee9 | 261 | extern void *read_object_with_reference(const unsigned char *sha1, |
bf0f910d | 262 | const char *required_type, |
40469ee9 JH |
263 | unsigned long *size, |
264 | unsigned char *sha1_ret); | |
f4913f91 | 265 | |
f80cd783 | 266 | const char *show_date(unsigned long time, int timezone); |
2a39064c | 267 | int parse_date(const char *date, char *buf, int bufsize); |
ecee9d9e | 268 | void datestamp(char *buf, int bufsize); |
3c07b1d1 | 269 | unsigned long approxidate(const char *); |
ecee9d9e | 270 | |
6aa33f40 | 271 | extern int setup_ident(void); |
c7d77dab JH |
272 | extern const char *git_author_info(void); |
273 | extern const char *git_committer_info(void); | |
6aa33f40 | 274 | |
127cfd0d | 275 | static inline void *xmalloc(size_t size) |
812666c8 CL |
276 | { |
277 | void *ret = malloc(size); | |
278 | if (!ret) | |
279 | die("Out of memory, malloc failed"); | |
280 | return ret; | |
281 | } | |
282 | ||
127cfd0d | 283 | static inline void *xrealloc(void *ptr, size_t size) |
812666c8 CL |
284 | { |
285 | void *ret = realloc(ptr, size); | |
286 | if (!ret) | |
287 | die("Out of memory, realloc failed"); | |
288 | return ret; | |
289 | } | |
290 | ||
127cfd0d BR |
291 | static inline void *xcalloc(size_t nmemb, size_t size) |
292 | { | |
293 | void *ret = calloc(nmemb, size); | |
294 | if (!ret) | |
295 | die("Out of memory, calloc failed"); | |
296 | return ret; | |
297 | } | |
298 | ||
12dccc16 LT |
299 | struct checkout { |
300 | const char *base_dir; | |
301 | int base_dir_len; | |
302 | unsigned force:1, | |
303 | quiet:1, | |
304 | not_new:1, | |
305 | refresh_cache:1; | |
306 | }; | |
307 | ||
308 | extern int checkout_entry(struct cache_entry *ce, struct checkout *state); | |
309 | ||
9a217f2a | 310 | extern struct alternate_object_database { |
d5a63b99 | 311 | struct alternate_object_database *next; |
9a217f2a | 312 | char *name; |
2c04662d | 313 | char base[0]; /* more */ |
d5a63b99 | 314 | } *alt_odb_list; |
9a217f2a JH |
315 | extern void prepare_alt_odb(void); |
316 | ||
317 | extern struct packed_git { | |
318 | struct packed_git *next; | |
319 | unsigned long index_size; | |
320 | unsigned long pack_size; | |
321 | unsigned int *index_base; | |
322 | void *pack_base; | |
323 | unsigned int pack_last_used; | |
f9253394 | 324 | unsigned int pack_use_cnt; |
9d835df2 | 325 | int pack_local; |
bf592c50 | 326 | unsigned char sha1[20]; |
2c04662d | 327 | char pack_name[0]; /* something like ".git/objects/pack/xxxxx.pack" */ |
9a217f2a | 328 | } *packed_git; |
f3bf9224 JH |
329 | |
330 | struct pack_entry { | |
331 | unsigned int offset; | |
332 | unsigned char sha1[20]; | |
333 | struct packed_git *p; | |
334 | }; | |
335 | ||
d1c133f5 LT |
336 | struct ref { |
337 | struct ref *next; | |
338 | unsigned char old_sha1[20]; | |
339 | unsigned char new_sha1[20]; | |
ff27adf3 | 340 | unsigned char force; |
f88395ac | 341 | struct ref *peer_ref; /* when renaming */ |
2c04662d | 342 | char name[0]; |
d1c133f5 LT |
343 | }; |
344 | ||
f7192598 LT |
345 | extern int git_connect(int fd[2], char *url, const char *prog); |
346 | extern int finish_connect(pid_t pid); | |
013e7c7f | 347 | extern int path_match(const char *path, int nr, char **match); |
f88395ac JH |
348 | extern int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, |
349 | int nr_refspec, char **refspec, int all); | |
41cb7488 | 350 | extern int get_ack(int fd, unsigned char *result_sha1); |
1a7141ff | 351 | extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, int ignore_funny); |
211b5f9e | 352 | extern int server_supports(const char *feature); |
f7192598 | 353 | |
bf592c50 | 354 | extern struct packed_git *parse_pack_index(unsigned char *sha1); |
2ab141a2 | 355 | extern struct packed_git *parse_pack_index_file(const unsigned char *sha1, |
c508df5e | 356 | char *idx_path); |
bf592c50 | 357 | |
9a217f2a | 358 | extern void prepare_packed_git(void); |
bf592c50 DB |
359 | extern void install_packed_git(struct packed_git *pack); |
360 | ||
361 | extern struct packed_git *find_sha1_pack(const unsigned char *sha1, | |
362 | struct packed_git *packs); | |
363 | ||
f9253394 JH |
364 | extern int use_packed_git(struct packed_git *); |
365 | extern void unuse_packed_git(struct packed_git *); | |
9d835df2 | 366 | extern struct packed_git *add_packed_git(char *, int, int); |
9a217f2a JH |
367 | extern int num_packed_objects(const struct packed_git *p); |
368 | extern int nth_packed_object_sha1(const struct packed_git *, int, unsigned char*); | |
f3bf9224 JH |
369 | extern int find_pack_entry_one(const unsigned char *, struct pack_entry *, struct packed_git *); |
370 | extern void *unpack_entry_gently(struct pack_entry *, char *, unsigned long *); | |
ad8c80a5 | 371 | extern void packed_object_info_detail(struct pack_entry *, char *, unsigned long *, unsigned long *, int *, unsigned char *); |
9a217f2a | 372 | |
8f3f9b09 JH |
373 | /* Dumb servers support */ |
374 | extern int update_server_info(int); | |
375 | ||
730d48a2 JS |
376 | #ifdef NO_MMAP |
377 | ||
378 | #ifndef PROT_READ | |
379 | #define PROT_READ 1 | |
380 | #define PROT_WRITE 2 | |
381 | #define MAP_PRIVATE 1 | |
382 | #define MAP_FAILED ((void*)-1) | |
383 | #endif | |
384 | ||
385 | extern void *gitfakemmap(void *start, size_t length, int prot , int flags, int fd, off_t offset); | |
386 | extern int gitfakemunmap(void *start, size_t length); | |
387 | ||
388 | #endif | |
389 | ||
17712991 LT |
390 | typedef int (*config_fn_t)(const char *, const char *); |
391 | extern int git_default_config(const char *, const char *); | |
4f629539 | 392 | extern int git_config_from_file(config_fn_t fn, const char *); |
17712991 LT |
393 | extern int git_config(config_fn_t fn); |
394 | extern int git_config_int(const char *, const char *); | |
395 | extern int git_config_bool(const char *, const char *); | |
10bea152 | 396 | extern int git_config_set(const char *, const char *); |
4ddba79d | 397 | extern int git_config_set_multivar(const char *, const char *, const char *, int); |
ab9cb76f | 398 | extern int check_repository_format_version(const char *var, const char *value); |
17712991 | 399 | |
e1b10391 LT |
400 | #define MAX_GITNAME (1000) |
401 | extern char git_default_email[MAX_GITNAME]; | |
402 | extern char git_default_name[MAX_GITNAME]; | |
403 | ||
4e72dcec JH |
404 | #define MAX_ENCODING_LENGTH 64 |
405 | extern char git_commit_encoding[MAX_ENCODING_LENGTH]; | |
406 | ||
4546738b LT |
407 | /* Sane ctype - no locale, and works with signed chars */ |
408 | #undef isspace | |
409 | #undef isdigit | |
410 | #undef isalpha | |
411 | #undef isalnum | |
412 | #undef tolower | |
413 | #undef toupper | |
414 | extern unsigned char sane_ctype[256]; | |
415 | #define GIT_SPACE 0x01 | |
416 | #define GIT_DIGIT 0x02 | |
417 | #define GIT_ALPHA 0x04 | |
418 | #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0) | |
419 | #define isspace(x) sane_istest(x,GIT_SPACE) | |
420 | #define isdigit(x) sane_istest(x,GIT_DIGIT) | |
421 | #define isalpha(x) sane_istest(x,GIT_ALPHA) | |
422 | #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) | |
423 | #define tolower(x) sane_case((unsigned char)(x), 0x20) | |
424 | #define toupper(x) sane_case((unsigned char)(x), 0) | |
425 | ||
426 | static inline int sane_case(int x, int high) | |
427 | { | |
428 | if (sane_istest(x, GIT_ALPHA)) | |
429 | x = (x & ~0x20) | high; | |
430 | return x; | |
431 | } | |
432 | ||
f3123c4a | 433 | extern int copy_fd(int ifd, int ofd); |
e83c5163 | 434 | #endif /* CACHE_H */ |