fsck: introduce fsck options

Just like the diff machinery, we are about to introduce more settings, therefore it makes sense to carry them around as a (pointer to a) struct containing all of them. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Johannes Schindelin committed Jun 22, 2015 at 17:25 UTC 22410549fc71b3973a61666f82b7c76317da5df0
5 files changed +114 -93
builtin/fsck.c
+14 -6
@@ -25,6 +25,8 @@ static int include_reflogs = 1;
25 static int check_full = 1;
26 static int check_strict;
27 static int keep_cache_objects;
28 +static struct fsck_options fsck_walk_options = FSCK_OPTIONS_DEFAULT;
29 +static struct fsck_options fsck_obj_options = FSCK_OPTIONS_DEFAULT;
30 static struct object_id head_oid;
31 static const char *head_points_at;
32 static int errors_found;
@@ -76,7 +78,7 @@ static int fsck_error_func(struct object *obj, int type, const char *err, ...)
78
79 static struct object_array pending;
80
79 -static int mark_object(struct object *obj, int type, void *data)
81 +static int mark_object(struct object *obj, int type, void *data, struct fsck_options *options)
82 {
83 struct object *parent = data;
84
@@ -119,7 +121,7 @@ static int mark_object(struct object *obj, int type, void *data)
121
122 static void mark_object_reachable(struct object *obj)
123 {
122 - mark_object(obj, OBJ_ANY, NULL);
124 + mark_object(obj, OBJ_ANY, NULL, NULL);
125 }
126
127 static int traverse_one_object(struct object *obj)
@@ -132,7 +134,7 @@ static int traverse_one_object(struct object *obj)
134 if (parse_tree(tree) < 0)
135 return 1; /* error already displayed */
136 }
135 - result = fsck_walk(obj, mark_object, obj);
137 + result = fsck_walk(obj, obj, &fsck_walk_options);
138 if (tree)
139 free_tree_buffer(tree);
140 return result;
@@ -158,7 +160,7 @@ static int traverse_reachable(void)
160 return !!result;
161 }
162
161 -static int mark_used(struct object *obj, int type, void *data)
163 +static int mark_used(struct object *obj, int type, void *data, struct fsck_options *options)
164 {
165 if (!obj)
166 return 1;
@@ -296,9 +298,9 @@ static int fsck_obj(struct object *obj)
298 fprintf(stderr, "Checking %s %s\n",
299 typename(obj->type), sha1_to_hex(obj->sha1));
300
299 - if (fsck_walk(obj, mark_used, NULL))
301 + if (fsck_walk(obj, NULL, &fsck_obj_options))
302 objerror(obj, "broken links");
301 - if (fsck_object(obj, NULL, 0, check_strict, fsck_error_func))
303 + if (fsck_object(obj, NULL, 0, &fsck_obj_options))
304 return -1;
305
306 if (obj->type == OBJ_TREE) {
@@ -632,6 +634,12 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
634
635 argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0);
636
637 + fsck_walk_options.walk = mark_object;
638 + fsck_obj_options.walk = mark_used;
639 + fsck_obj_options.error_func = fsck_error_func;
640 + if (check_strict)
641 + fsck_obj_options.strict = 1;
642 +
643 if (show_progress == -1)
644 show_progress = isatty(2);
645 if (verbose)
builtin/index-pack.c
+5 -4
@@ -75,6 +75,7 @@ static int nr_threads;
75 static int from_stdin;
76 static int strict;
77 static int do_fsck_object;
78 +static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT;
79 static int verbose;
80 static int show_stat;
81 static int check_self_contained_and_connected;
@@ -192,7 +193,7 @@ static void cleanup_thread(void)
193 #endif
194
195
195 -static int mark_link(struct object *obj, int type, void *data)
196 +static int mark_link(struct object *obj, int type, void *data, struct fsck_options *options)
197 {
198 if (!obj)
199 return -1;
@@ -838,10 +839,9 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
839 if (!obj)
840 die(_("invalid %s"), typename(type));
841 if (do_fsck_object &&
841 - fsck_object(obj, buf, size, 1,
842 - fsck_error_function))
842 + fsck_object(obj, buf, size, &fsck_options))
843 die(_("Error in object"));
844 - if (fsck_walk(obj, mark_link, NULL))
844 + if (fsck_walk(obj, NULL, &fsck_options))
845 die(_("Not all child objects of %s are reachable"), sha1_to_hex(obj->sha1));
846
847 if (obj->type == OBJ_TREE) {
@@ -1615,6 +1615,7 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
1615 usage(index_pack_usage);
1616
1617 check_replace_refs = 0;
1618 + fsck_options.walk = mark_link;
1619
1620 reset_pack_idx_option(&opts);
1621 git_config(git_index_pack_config, &opts);
builtin/unpack-objects.c
+6 -5
@@ -20,6 +20,7 @@ static unsigned char buffer[4096];
20 static unsigned int offset, len;
21 static off_t consumed_bytes;
22 static git_SHA_CTX ctx;
23 +static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT;
24
25 /*
26 * When running under --strict mode, objects whose reachability are
@@ -178,7 +179,7 @@ static void write_cached_object(struct object *obj, struct obj_buffer *obj_buf)
179 * that have reachability requirements and calls this function.
180 * Verify its reachability and validity recursively and write it out.
181 */
181 -static int check_object(struct object *obj, int type, void *data)
182 +static int check_object(struct object *obj, int type, void *data, struct fsck_options *options)
183 {
184 struct obj_buffer *obj_buf;
185
@@ -203,10 +204,10 @@ static int check_object(struct object *obj, int type, void *data)
204 obj_buf = lookup_object_buffer(obj);
205 if (!obj_buf)
206 die("Whoops! Cannot find object '%s'", sha1_to_hex(obj->sha1));
206 - if (fsck_object(obj, obj_buf->buffer, obj_buf->size, 1,
207 - fsck_error_function))
207 + if (fsck_object(obj, obj_buf->buffer, obj_buf->size, &fsck_options))
208 die("Error in object");
209 - if (fsck_walk(obj, check_object, NULL))
209 + fsck_options.walk = check_object;
210 + if (fsck_walk(obj, NULL, &fsck_options))
211 die("Error on reachable objects of %s", sha1_to_hex(obj->sha1));
212 write_cached_object(obj, obj_buf);
213 return 0;
@@ -217,7 +218,7 @@ static void write_rest(void)
218 unsigned i;
219 for (i = 0; i < nr_objects; i++) {
220 if (obj_list[i].obj)
220 - check_object(obj_list[i].obj, OBJ_ANY, NULL);
221 + check_object(obj_list[i].obj, OBJ_ANY, NULL, NULL);
222 }
223 }
224
fsck.c
+75 -75
@@ -9,7 +9,7 @@
9 #include "refs.h"
10 #include "utf8.h"
11
12 -static int fsck_walk_tree(struct tree *tree, fsck_walk_func walk, void *data)
12 +static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options)
13 {
14 struct tree_desc desc;
15 struct name_entry entry;
@@ -25,9 +25,9 @@ static int fsck_walk_tree(struct tree *tree, fsck_walk_func walk, void *data)
25 if (S_ISGITLINK(entry.mode))
26 continue;
27 if (S_ISDIR(entry.mode))
28 - result = walk(&lookup_tree(entry.sha1)->object, OBJ_TREE, data);
28 + result = options->walk(&lookup_tree(entry.sha1)->object, OBJ_TREE, data, options);
29 else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode))
30 - result = walk(&lookup_blob(entry.sha1)->object, OBJ_BLOB, data);
30 + result = options->walk(&lookup_blob(entry.sha1)->object, OBJ_BLOB, data, options);
31 else {
32 result = error("in tree %s: entry %s has bad mode %.6o",
33 sha1_to_hex(tree->object.sha1), entry.path, entry.mode);
@@ -40,7 +40,7 @@ static int fsck_walk_tree(struct tree *tree, fsck_walk_func walk, void *data)
40 return res;
41 }
42
43 -static int fsck_walk_commit(struct commit *commit, fsck_walk_func walk, void *data)
43 +static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options)
44 {
45 struct commit_list *parents;
46 int res;
@@ -49,14 +49,14 @@ static int fsck_walk_commit(struct commit *commit, fsck_walk_func walk, void *da
49 if (parse_commit(commit))
50 return -1;
51
52 - result = walk((struct object *)commit->tree, OBJ_TREE, data);
52 + result = options->walk((struct object *)commit->tree, OBJ_TREE, data, options);
53 if (result < 0)
54 return result;
55 res = result;
56
57 parents = commit->parents;
58 while (parents) {
59 - result = walk((struct object *)parents->item, OBJ_COMMIT, data);
59 + result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options);
60 if (result < 0)
61 return result;
62 if (!res)
@@ -66,14 +66,14 @@ static int fsck_walk_commit(struct commit *commit, fsck_walk_func walk, void *da
66 return res;
67 }
68
69 -static int fsck_walk_tag(struct tag *tag, fsck_walk_func walk, void *data)
69 +static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options)
70 {
71 if (parse_tag(tag))
72 return -1;
73 - return walk(tag->tagged, OBJ_ANY, data);
73 + return options->walk(tag->tagged, OBJ_ANY, data, options);
74 }
75
76 -int fsck_walk(struct object *obj, fsck_walk_func walk, void *data)
76 +int fsck_walk(struct object *obj, void *data, struct fsck_options *options)
77 {
78 if (!obj)
79 return -1;
@@ -81,11 +81,11 @@ int fsck_walk(struct object *obj, fsck_walk_func walk, void *data)
81 case OBJ_BLOB:
82 return 0;
83 case OBJ_TREE:
84 - return fsck_walk_tree((struct tree *)obj, walk, data);
84 + return fsck_walk_tree((struct tree *)obj, data, options);
85 case OBJ_COMMIT:
86 - return fsck_walk_commit((struct commit *)obj, walk, data);
86 + return fsck_walk_commit((struct commit *)obj, data, options);
87 case OBJ_TAG:
88 - return fsck_walk_tag((struct tag *)obj, walk, data);
88 + return fsck_walk_tag((struct tag *)obj, data, options);
89 default:
90 error("Unknown object type for %s", sha1_to_hex(obj->sha1));
91 return -1;
@@ -138,7 +138,7 @@ static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, con
138 return c1 < c2 ? 0 : TREE_UNORDERED;
139 }
140
141 -static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
141 +static int fsck_tree(struct tree *item, struct fsck_options *options)
142 {
143 int retval;
144 int has_null_sha1 = 0;
@@ -194,7 +194,7 @@ static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
194 * bits..
195 */
196 case S_IFREG | 0664:
197 - if (!strict)
197 + if (!options->strict)
198 break;
199 default:
200 has_bad_modes = 1;
@@ -219,30 +219,30 @@ static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
219
220 retval = 0;
221 if (has_null_sha1)
222 - retval += error_func(&item->object, FSCK_WARN, "contains entries pointing to null sha1");
222 + retval += options->error_func(&item->object, FSCK_WARN, "contains entries pointing to null sha1");
223 if (has_full_path)
224 - retval += error_func(&item->object, FSCK_WARN, "contains full pathnames");
224 + retval += options->error_func(&item->object, FSCK_WARN, "contains full pathnames");
225 if (has_empty_name)
226 - retval += error_func(&item->object, FSCK_WARN, "contains empty pathname");
226 + retval += options->error_func(&item->object, FSCK_WARN, "contains empty pathname");
227 if (has_dot)
228 - retval += error_func(&item->object, FSCK_WARN, "contains '.'");
228 + retval += options->error_func(&item->object, FSCK_WARN, "contains '.'");
229 if (has_dotdot)
230 - retval += error_func(&item->object, FSCK_WARN, "contains '..'");
230 + retval += options->error_func(&item->object, FSCK_WARN, "contains '..'");
231 if (has_dotgit)
232 - retval += error_func(&item->object, FSCK_WARN, "contains '.git'");
232 + retval += options->error_func(&item->object, FSCK_WARN, "contains '.git'");
233 if (has_zero_pad)
234 - retval += error_func(&item->object, FSCK_WARN, "contains zero-padded file modes");
234 + retval += options->error_func(&item->object, FSCK_WARN, "contains zero-padded file modes");
235 if (has_bad_modes)
236 - retval += error_func(&item->object, FSCK_WARN, "contains bad file modes");
236 + retval += options->error_func(&item->object, FSCK_WARN, "contains bad file modes");
237 if (has_dup_entries)
238 - retval += error_func(&item->object, FSCK_ERROR, "contains duplicate file entries");
238 + retval += options->error_func(&item->object, FSCK_ERROR, "contains duplicate file entries");
239 if (not_properly_sorted)
240 - retval += error_func(&item->object, FSCK_ERROR, "not properly sorted");
240 + retval += options->error_func(&item->object, FSCK_ERROR, "not properly sorted");
241 return retval;
242 }
243
244 static int require_end_of_header(const void *data, unsigned long size,
245 - struct object *obj, fsck_error error_func)
245 + struct object *obj, struct fsck_options *options)
246 {
247 const char *buffer = (const char *)data;
248 unsigned long i;
@@ -250,7 +250,7 @@ static int require_end_of_header(const void *data, unsigned long size,
250 for (i = 0; i < size; i++) {
251 switch (buffer[i]) {
252 case '\0':
253 - return error_func(obj, FSCK_ERROR,
253 + return options->error_func(obj, FSCK_ERROR,
254 "unterminated header: NUL at offset %d", i);
255 case '\n':
256 if (i + 1 < size && buffer[i + 1] == '\n')
@@ -258,36 +258,36 @@ static int require_end_of_header(const void *data, unsigned long size,
258 }
259 }
260
261 - return error_func(obj, FSCK_ERROR, "unterminated header");
261 + return options->error_func(obj, FSCK_ERROR, "unterminated header");
262 }
263
264 -static int fsck_ident(const char **ident, struct object *obj, fsck_error error_func)
264 +static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options)
265 {
266 char *end;
267
268 if (**ident == '<')
269 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
269 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
270 *ident += strcspn(*ident, "<>\n");
271 if (**ident == '>')
272 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad name");
272 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - bad name");
273 if (**ident != '<')
274 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing email");
274 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - missing email");
275 if ((*ident)[-1] != ' ')
276 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
276 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
277 (*ident)++;
278 *ident += strcspn(*ident, "<>\n");
279 if (**ident != '>')
280 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad email");
280 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - bad email");
281 (*ident)++;
282 if (**ident != ' ')
283 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before date");
283 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before date");
284 (*ident)++;
285 if (**ident == '0' && (*ident)[1] != ' ')
286 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - zero-padded date");
286 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - zero-padded date");
287 if (date_overflows(strtoul(*ident, &end, 10)))
288 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - date causes integer overflow");
288 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - date causes integer overflow");
289 if (end == *ident || *end != ' ')
290 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad date");
290 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - bad date");
291 *ident = end + 1;
292 if ((**ident != '+' && **ident != '-') ||
293 !isdigit((*ident)[1]) ||
@@ -295,30 +295,30 @@ static int fsck_ident(const char **ident, struct object *obj, fsck_error error_f
295 !isdigit((*ident)[3]) ||
296 !isdigit((*ident)[4]) ||
297 ((*ident)[5] != '\n'))
298 - return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad time zone");
298 + return options->error_func(obj, FSCK_ERROR, "invalid author/committer line - bad time zone");
299 (*ident) += 6;
300 return 0;
301 }
302
303 static int fsck_commit_buffer(struct commit *commit, const char *buffer,
304 - unsigned long size, fsck_error error_func)
304 + unsigned long size, struct fsck_options *options)
305 {
306 unsigned char tree_sha1[20], sha1[20];
307 struct commit_graft *graft;
308 unsigned parent_count, parent_line_count = 0;
309 int err;
310
311 - if (require_end_of_header(buffer, size, &commit->object, error_func))
311 + if (require_end_of_header(buffer, size, &commit->object, options))
312 return -1;
313
314 if (!skip_prefix(buffer, "tree ", &buffer))
315 - return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'tree' line");
315 + return options->error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'tree' line");
316 if (get_sha1_hex(buffer, tree_sha1) || buffer[40] != '\n')
317 - return error_func(&commit->object, FSCK_ERROR, "invalid 'tree' line format - bad sha1");
317 + return options->error_func(&commit->object, FSCK_ERROR, "invalid 'tree' line format - bad sha1");
318 buffer += 41;
319 while (skip_prefix(buffer, "parent ", &buffer)) {
320 if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n')
321 - return error_func(&commit->object, FSCK_ERROR, "invalid 'parent' line format - bad sha1");
321 + return options->error_func(&commit->object, FSCK_ERROR, "invalid 'parent' line format - bad sha1");
322 buffer += 41;
323 parent_line_count++;
324 }
@@ -328,39 +328,39 @@ static int fsck_commit_buffer(struct commit *commit, const char *buffer,
328 if (graft->nr_parent == -1 && !parent_count)
329 ; /* shallow commit */
330 else if (graft->nr_parent != parent_count)
331 - return error_func(&commit->object, FSCK_ERROR, "graft objects missing");
331 + return options->error_func(&commit->object, FSCK_ERROR, "graft objects missing");
332 } else {
333 if (parent_count != parent_line_count)
334 - return error_func(&commit->object, FSCK_ERROR, "parent objects missing");
334 + return options->error_func(&commit->object, FSCK_ERROR, "parent objects missing");
335 }
336 if (!skip_prefix(buffer, "author ", &buffer))
337 - return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'author' line");
338 - err = fsck_ident(&buffer, &commit->object, error_func);
337 + return options->error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'author' line");
338 + err = fsck_ident(&buffer, &commit->object, options);
339 if (err)
340 return err;
341 if (!skip_prefix(buffer, "committer ", &buffer))
342 - return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'committer' line");
343 - err = fsck_ident(&buffer, &commit->object, error_func);
342 + return options->error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'committer' line");
343 + err = fsck_ident(&buffer, &commit->object, options);
344 if (err)
345 return err;
346 if (!commit->tree)
347 - return error_func(&commit->object, FSCK_ERROR, "could not load commit's tree %s", sha1_to_hex(tree_sha1));
347 + return options->error_func(&commit->object, FSCK_ERROR, "could not load commit's tree %s", sha1_to_hex(tree_sha1));
348
349 return 0;
350 }
351
352 static int fsck_commit(struct commit *commit, const char *data,
353 - unsigned long size, fsck_error error_func)
353 + unsigned long size, struct fsck_options *options)
354 {
355 const char *buffer = data ? data : get_commit_buffer(commit, &size);
356 - int ret = fsck_commit_buffer(commit, buffer, size, error_func);
356 + int ret = fsck_commit_buffer(commit, buffer, size, options);
357 if (!data)
358 unuse_commit_buffer(commit, buffer);
359 return ret;
360 }
361
362 static int fsck_tag_buffer(struct tag *tag, const char *data,
363 - unsigned long size, fsck_error error_func)
363 + unsigned long size, struct fsck_options *options)
364 {
365 unsigned char sha1[20];
366 int ret = 0;
@@ -376,65 +376,65 @@ static int fsck_tag_buffer(struct tag *tag, const char *data,
376 buffer = to_free =
377 read_sha1_file(tag->object.sha1, &type, &size);
378 if (!buffer)
379 - return error_func(&tag->object, FSCK_ERROR,
379 + return options->error_func(&tag->object, FSCK_ERROR,
380 "cannot read tag object");
381
382 if (type != OBJ_TAG) {
383 - ret = error_func(&tag->object, FSCK_ERROR,
383 + ret = options->error_func(&tag->object, FSCK_ERROR,
384 "expected tag got %s",
385 typename(type));
386 goto done;
387 }
388 }
389
390 - if (require_end_of_header(buffer, size, &tag->object, error_func))
390 + if (require_end_of_header(buffer, size, &tag->object, options))
391 goto done;
392
393 if (!skip_prefix(buffer, "object ", &buffer)) {
394 - ret = error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'object' line");
394 + ret = options->error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'object' line");
395 goto done;
396 }
397 if (get_sha1_hex(buffer, sha1) || buffer[40] != '\n') {
398 - ret = error_func(&tag->object, FSCK_ERROR, "invalid 'object' line format - bad sha1");
398 + ret = options->error_func(&tag->object, FSCK_ERROR, "invalid 'object' line format - bad sha1");
399 goto done;
400 }
401 buffer += 41;
402
403 if (!skip_prefix(buffer, "type ", &buffer)) {
404 - ret = error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'type' line");
404 + ret = options->error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'type' line");
405 goto done;
406 }
407 eol = strchr(buffer, '\n');
408 if (!eol) {
409 - ret = error_func(&tag->object, FSCK_ERROR, "invalid format - unexpected end after 'type' line");
409 + ret = options->error_func(&tag->object, FSCK_ERROR, "invalid format - unexpected end after 'type' line");
410 goto done;
411 }
412 if (type_from_string_gently(buffer, eol - buffer, 1) < 0)
413 - ret = error_func(&tag->object, FSCK_ERROR, "invalid 'type' value");
413 + ret = options->error_func(&tag->object, FSCK_ERROR, "invalid 'type' value");
414 if (ret)
415 goto done;
416 buffer = eol + 1;
417
418 if (!skip_prefix(buffer, "tag ", &buffer)) {
419 - ret = error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'tag' line");
419 + ret = options->error_func(&tag->object, FSCK_ERROR, "invalid format - expected 'tag' line");
420 goto done;
421 }
422 eol = strchr(buffer, '\n');
423 if (!eol) {
424 - ret = error_func(&tag->object, FSCK_ERROR, "invalid format - unexpected end after 'type' line");
424 + ret = options->error_func(&tag->object, FSCK_ERROR, "invalid format - unexpected end after 'type' line");
425 goto done;
426 }
427 strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer);
428 if (check_refname_format(sb.buf, 0))
429 - error_func(&tag->object, FSCK_WARN, "invalid 'tag' name: %.*s",
429 + options->error_func(&tag->object, FSCK_WARN, "invalid 'tag' name: %.*s",
430 (int)(eol - buffer), buffer);
431 buffer = eol + 1;
432
433 if (!skip_prefix(buffer, "tagger ", &buffer))
434 /* early tags do not contain 'tagger' lines; warn only */
435 - error_func(&tag->object, FSCK_WARN, "invalid format - expected 'tagger' line");
435 + options->error_func(&tag->object, FSCK_WARN, "invalid format - expected 'tagger' line");
436 else
437 - ret = fsck_ident(&buffer, &tag->object, error_func);
437 + ret = fsck_ident(&buffer, &tag->object, options);
438
439 done:
440 strbuf_release(&sb);
@@ -443,34 +443,34 @@ done:
443 }
444
445 static int fsck_tag(struct tag *tag, const char *data,
446 - unsigned long size, fsck_error error_func)
446 + unsigned long size, struct fsck_options *options)
447 {
448 struct object *tagged = tag->tagged;
449
450 if (!tagged)
451 - return error_func(&tag->object, FSCK_ERROR, "could not load tagged object");
451 + return options->error_func(&tag->object, FSCK_ERROR, "could not load tagged object");
452
453 - return fsck_tag_buffer(tag, data, size, error_func);
453 + return fsck_tag_buffer(tag, data, size, options);
454 }
455
456 int fsck_object(struct object *obj, void *data, unsigned long size,
457 - int strict, fsck_error error_func)
457 + struct fsck_options *options)
458 {
459 if (!obj)
460 - return error_func(obj, FSCK_ERROR, "no valid object to fsck");
460 + return options->error_func(obj, FSCK_ERROR, "no valid object to fsck");
461
462 if (obj->type == OBJ_BLOB)
463 return 0;
464 if (obj->type == OBJ_TREE)
465 - return fsck_tree((struct tree *) obj, strict, error_func);
465 + return fsck_tree((struct tree *) obj, options);
466 if (obj->type == OBJ_COMMIT)
467 return fsck_commit((struct commit *) obj, (const char *) data,
468 - size, error_func);
468 + size, options);
469 if (obj->type == OBJ_TAG)
470 return fsck_tag((struct tag *) obj, (const char *) data,
471 - size, error_func);
471 + size, options);
472
473 - return error_func(obj, FSCK_ERROR, "unknown type '%d' (internal fsck error)",
473 + return options->error_func(obj, FSCK_ERROR, "unknown type '%d' (internal fsck error)",
474 obj->type);
475 }
476
fsck.h
+14 -3
@@ -4,6 +4,8 @@
4 #define FSCK_ERROR 1
5 #define FSCK_WARN 2
6
7 +struct fsck_options;
8 +
9 /*
10 * callback function for fsck_walk
11 * type is the expected type of the object or OBJ_ANY
@@ -12,7 +14,7 @@
14 * <0 error signaled and abort
15 * >0 error signaled and do not abort
16 */
15 -typedef int (*fsck_walk_func)(struct object *obj, int type, void *data);
17 +typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
18
19 /* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
20 typedef int (*fsck_error)(struct object *obj, int type, const char *err, ...);
@@ -20,6 +22,15 @@ typedef int (*fsck_error)(struct object *obj, int type, const char *err, ...);
22 __attribute__((format (printf, 3, 4)))
23 int fsck_error_function(struct object *obj, int type, const char *fmt, ...);
24
25 +struct fsck_options {
26 + fsck_walk_func walk;
27 + fsck_error error_func;
28 + unsigned strict:1;
29 +};
30 +
31 +#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0 }
32 +#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1 }
33 +
34 /* descend in all linked child objects
35 * the return value is:
36 * -1 error in processing the object
@@ -27,9 +38,9 @@ int fsck_error_function(struct object *obj, int type, const char *fmt, ...);
38 * >0 return value of the first signaled error >0 (in the case of no other errors)
39 * 0 everything OK
40 */
30 -int fsck_walk(struct object *obj, fsck_walk_func walk, void *data);
41 +int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
42 /* If NULL is passed for data, we assume the object is local and read it. */
43 int fsck_object(struct object *obj, void *data, unsigned long size,
33 - int strict, fsck_error error_func);
44 + struct fsck_options *options);
45
46 #endif