From: Junio C Hamano Date: Mon, 27 Aug 2018 21:33:42 +0000 (-0700) Subject: Merge branch 'ab/unconditional-free-and-null' X-Git-Tag: v2.19.0-rc1~18 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/7ae96e3fcfcd4f3d7c18965eb8805554a9e432bc?ds=inline;hp=-c Merge branch 'ab/unconditional-free-and-null' Code clean-up. * ab/unconditional-free-and-null: refactor various if (x) FREE_AND_NULL(x) to just FREE_AND_NULL(x) --- 7ae96e3fcfcd4f3d7c18965eb8805554a9e432bc diff --combined blame.c index 08c0c6cf73,f9b7f0a0de..aca06f4b12 --- a/blame.c +++ b/blame.c @@@ -1,31 -1,11 +1,31 @@@ #include "cache.h" #include "refs.h" +#include "object-store.h" #include "cache-tree.h" #include "mergesort.h" #include "diff.h" #include "diffcore.h" #include "tag.h" #include "blame.h" +#include "alloc.h" +#include "commit-slab.h" + +define_commit_slab(blame_suspects, struct blame_origin *); +static struct blame_suspects blame_suspects; + +struct blame_origin *get_blame_suspects(struct commit *commit) +{ + struct blame_origin **result; + + result = blame_suspects_peek(&blame_suspects, commit); + + return result ? *result : NULL; +} + +static void set_blame_suspects(struct commit *commit, struct blame_origin *origin) +{ + *blame_suspects_at(&blame_suspects, commit) = origin; +} void blame_origin_decref(struct blame_origin *o) { @@@ -35,12 -15,12 +35,12 @@@ blame_origin_decref(o->previous); free(o->file.ptr); /* Should be present exactly once in commit chain */ - for (p = o->commit->util; p; l = p, p = p->next) { + for (p = get_blame_suspects(o->commit); p; l = p, p = p->next) { if (p == o) { if (l) l->next = p->next; else - o->commit->util = p->next; + set_blame_suspects(o->commit, p->next); free(o); return; } @@@ -61,8 -41,8 +61,8 @@@ static struct blame_origin *make_origin FLEX_ALLOC_STR(o, path, path); o->commit = commit; o->refcnt = 1; - o->next = commit->util; - commit->util = o; + o->next = get_blame_suspects(commit); + set_blame_suspects(commit, o); return o; } @@@ -74,13 -54,13 +74,13 @@@ static struct blame_origin *get_origin( { struct blame_origin *o, *l; - for (o = commit->util, l = NULL; o; l = o, o = o->next) { + for (o = get_blame_suspects(commit), l = NULL; o; l = o, o = o->next) { if (!strcmp(o->path, path)) { /* bump to front */ if (l) { l->next = o->next; - o->next = commit->util; - commit->util = o; + o->next = get_blame_suspects(commit); + set_blame_suspects(commit, o); } return blame_origin_incref(o); } @@@ -90,8 -70,7 +90,8 @@@ -static void verify_working_tree_path(struct commit *work_tree, const char *path) +static void verify_working_tree_path(struct repository *repo, + struct commit *work_tree, const char *path) { struct commit_list *parents; int pos; @@@ -102,15 -81,15 +102,15 @@@ unsigned mode; if (!get_tree_entry(commit_oid, path, &blob_oid, &mode) && - oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB) + oid_object_info(repo, &blob_oid, NULL) == OBJ_BLOB) return; } - pos = cache_name_pos(path, strlen(path)); + pos = index_name_pos(repo->index, path, strlen(path)); if (pos >= 0) ; /* path is in the index */ - else if (-1 - pos < active_nr && - !strcmp(active_cache[-1 - pos]->name, path)) + else if (-1 - pos < repo->index->cache_nr && + !strcmp(repo->index->cache[-1 - pos]->name, path)) ; /* path is in the index, unmerged */ else die("no such path '%s' in HEAD", path); @@@ -120,7 -99,7 +120,7 @@@ static struct commit_list **append_pare { struct commit *parent; - parent = lookup_commit_reference(oid); + parent = lookup_commit_reference(the_repository, oid); if (!parent) die("no such commit %s", oid_to_hex(oid)); return &commit_list_insert(parent, tail)->next; @@@ -131,19 -110,17 +131,19 @@@ static void append_merge_parents(struc int merge_head; struct strbuf line = STRBUF_INIT; - merge_head = open(git_path_merge_head(), O_RDONLY); + merge_head = open(git_path_merge_head(the_repository), O_RDONLY); if (merge_head < 0) { if (errno == ENOENT) return; - die("cannot open '%s' for reading", git_path_merge_head()); + die("cannot open '%s' for reading", + git_path_merge_head(the_repository)); } while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) { struct object_id oid; if (line.len < GIT_SHA1_HEXSZ || get_oid_hex(line.buf, &oid)) - die("unknown line in '%s': %s", git_path_merge_head(), line.buf); + die("unknown line in '%s': %s", + git_path_merge_head(the_repository), line.buf); tail = append_parent(tail, &oid); } close(merge_head); @@@ -159,15 -136,14 +159,15 @@@ static void set_commit_buffer_from_strb { size_t len; void *buf = strbuf_detach(sb, &len); - set_commit_buffer(c, buf, len); + set_commit_buffer(the_repository, c, buf, len); } /* * Prepare a dummy commit that represents the work tree (or staged) item. * Note that annotating work tree item never works in the reverse. */ -static struct commit *fake_working_tree_commit(struct diff_options *opt, +static struct commit *fake_working_tree_commit(struct repository *repo, + struct diff_options *opt, const char *path, const char *contents_from) { @@@ -178,14 -154,14 +178,14 @@@ struct strbuf buf = STRBUF_INIT; const char *ident; time_t now; - int size, len; + int len; struct cache_entry *ce; unsigned mode; struct strbuf msg = STRBUF_INIT; - read_cache(); + read_index(repo->index); time(&now); - commit = alloc_commit_node(); + commit = alloc_commit_node(the_repository); commit->object.parsed = 1; commit->date = now; parent_tail = &commit->parents; @@@ -195,7 -171,7 +195,7 @@@ parent_tail = append_parent(parent_tail, &head_oid); append_merge_parents(parent_tail); - verify_working_tree_path(commit, path); + verify_working_tree_path(repo, commit, path); origin = make_origin(commit, path); @@@ -253,7 -229,7 +253,7 @@@ if (strbuf_read(&buf, 0, 0) < 0) die_errno("failed to read from stdin"); } - convert_to_git(&the_index, path, buf.buf, buf.len, &buf, 0); + convert_to_git(repo->index, path, buf.buf, buf.len, &buf, 0); origin->file.ptr = buf.buf; origin->file.size = buf.len; pretend_object_file(buf.buf, buf.len, OBJ_BLOB, &origin->blob_oid); @@@ -264,28 -240,28 +264,28 @@@ * bits; we are not going to write this index out -- we just * want to run "diff-index --cached". */ - discard_cache(); - read_cache(); + discard_index(repo->index); + read_index(repo->index); len = strlen(path); if (!mode) { - int pos = cache_name_pos(path, len); + int pos = index_name_pos(repo->index, path, len); if (0 <= pos) - mode = active_cache[pos]->ce_mode; + mode = repo->index->cache[pos]->ce_mode; else /* Let's not bother reading from HEAD tree */ mode = S_IFREG | 0644; } - size = cache_entry_size(len); - ce = xcalloc(1, size); + ce = make_empty_cache_entry(repo->index, len); oidcpy(&ce->oid, &origin->blob_oid); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(0); ce->ce_namelen = len; ce->ce_mode = create_ce_mode(mode); - add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE); + add_index_entry(repo->index, ce, + ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE); - cache_tree_invalidate_path(&the_index, path); + cache_tree_invalidate_path(repo->index, path); return commit; } @@@ -337,9 -313,7 +337,7 @@@ static void fill_origin_blob(struct dif static void drop_origin_blob(struct blame_origin *o) { - if (o->file.ptr) { - FREE_AND_NULL(o->file.ptr); - } + FREE_AND_NULL(o->file.ptr); } /* @@@ -502,7 -476,7 +500,7 @@@ static void queue_blames(struct blame_s porigin->suspects = blame_merge(porigin->suspects, sorted); else { struct blame_origin *o; - for (o = porigin->commit->util; o; o = o->next) { + for (o = get_blame_suspects(porigin->commit); o; o = o->next) { if (o->suspects) { porigin->suspects = sorted; return; @@@ -522,14 -496,13 +520,14 @@@ * * This also fills origin->mode for corresponding tree path. */ -static int fill_blob_sha1_and_mode(struct blame_origin *origin) +static int fill_blob_sha1_and_mode(struct repository *repo, + struct blame_origin *origin) { if (!is_null_oid(&origin->blob_oid)) return 0; if (get_tree_entry(&origin->commit->object.oid, origin->path, &origin->blob_oid, &origin->mode)) goto error_out; - if (oid_object_info(the_repository, &origin->blob_oid, NULL) != OBJ_BLOB) + if (oid_object_info(repo, &origin->blob_oid, NULL) != OBJ_BLOB) goto error_out; return 0; error_out: @@@ -550,7 -523,7 +548,7 @@@ static struct blame_origin *find_origin const char *paths[2]; /* First check any existing origins */ - for (porigin = parent->util; porigin; porigin = porigin->next) + for (porigin = get_blame_suspects(parent); porigin; porigin = porigin->next) if (!strcmp(porigin->path, origin->path)) { /* * The same path between origin and its parent @@@ -1575,7 -1548,7 +1573,7 @@@ void assign_blame(struct blame_scoreboa while (commit) { struct blame_entry *ent; - struct blame_origin *suspect = commit->util; + struct blame_origin *suspect = get_blame_suspects(commit); /* find one suspect to break down */ while (suspect && !suspect->suspects) @@@ -1677,7 -1650,7 +1675,7 @@@ static struct commit *find_single_final struct object *obj = revs->pending.objects[i].item; if (obj->flags & UNINTERESTING) continue; - obj = deref_tag(obj, NULL, 0); + obj = deref_tag(the_repository, obj, NULL, 0); if (obj->type != OBJ_COMMIT) die("Non commit %s?", revs->pending.objects[i].name); if (found) @@@ -1708,15 -1681,14 +1706,15 @@@ static struct commit *dwim_reverse_init /* Is that sole rev a committish? */ obj = revs->pending.objects[0].item; - obj = deref_tag(obj, NULL, 0); + obj = deref_tag(the_repository, obj, NULL, 0); if (obj->type != OBJ_COMMIT) return NULL; /* Do we have HEAD? */ if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL)) return NULL; - head_commit = lookup_commit_reference_gently(&head_oid, 1); + head_commit = lookup_commit_reference_gently(the_repository, + &head_oid, 1); if (!head_commit) return NULL; @@@ -1744,7 -1716,7 +1742,7 @@@ static struct commit *find_single_initi struct object *obj = revs->pending.objects[i].item; if (!(obj->flags & UNINTERESTING)) continue; - obj = deref_tag(obj, NULL, 0); + obj = deref_tag(the_repository, obj, NULL, 0); if (obj->type != OBJ_COMMIT) die("Non commit %s?", revs->pending.objects[i].name); if (found) @@@ -1771,23 -1743,16 +1769,23 @@@ void init_scoreboard(struct blame_score sb->copy_score = BLAME_DEFAULT_COPY_SCORE; } -void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blame_origin **orig) +void setup_scoreboard(struct blame_scoreboard *sb, + const char *path, + struct blame_origin **orig) { const char *final_commit_name = NULL; struct blame_origin *o; struct commit *final_commit = NULL; enum object_type type; + init_blame_suspects(&blame_suspects); + if (sb->reverse && sb->contents_from) die(_("--contents and --reverse do not blend well.")); + if (!sb->repo) + BUG("repo is NULL"); + if (!sb->reverse) { sb->final = find_single_final(sb->revs, &final_commit_name); sb->commits.compare = compare_commits_by_commit_date; @@@ -1809,8 -1774,7 +1807,8 @@@ * or "--contents". */ setup_work_tree(); - sb->final = fake_working_tree_commit(&sb->revs->diffopt, + sb->final = fake_working_tree_commit(sb->repo, + &sb->revs->diffopt, path, sb->contents_from); add_pending_object(sb->revs, &(sb->final->object), ":"); } @@@ -1849,13 -1813,13 +1847,13 @@@ } if (is_null_oid(&sb->final->object.oid)) { - o = sb->final->util; + o = get_blame_suspects(sb->final); sb->final_buf = xmemdupz(o->file.ptr, o->file.size); sb->final_buf_size = o->file.size; } else { o = get_origin(sb->final, path); - if (fill_blob_sha1_and_mode(o)) + if (fill_blob_sha1_and_mode(sb->repo, o)) die(_("no such path %s in %s"), path, final_commit_name); if (sb->revs->diffopt.flags.allow_textconv && diff --combined branch.c index ecd710d730,a2c9623d1d..776f55fc66 --- a/branch.c +++ b/branch.c @@@ -25,9 -25,7 +25,7 @@@ static int find_tracked_branch(struct r tracking->remote = remote->name; } else { free(tracking->spec.src); - if (tracking->src) { - FREE_AND_NULL(tracking->src); - } + FREE_AND_NULL(tracking->src); } tracking->spec.src = NULL; } @@@ -302,7 -300,7 +300,7 @@@ void create_branch(const char *name, co break; } - if ((commit = lookup_commit_reference(&oid)) == NULL) + if ((commit = lookup_commit_reference(the_repository, &oid)) == NULL) die(_("Not a valid branch point: '%s'."), start_name); oidcpy(&oid, &commit->object.oid); @@@ -340,13 -338,13 +338,13 @@@ void remove_branch_state(void) { - unlink(git_path_cherry_pick_head()); - unlink(git_path_revert_head()); - unlink(git_path_merge_head()); - unlink(git_path_merge_rr()); - unlink(git_path_merge_msg()); - unlink(git_path_merge_mode()); - unlink(git_path_squash_msg()); + unlink(git_path_cherry_pick_head(the_repository)); + unlink(git_path_revert_head(the_repository)); + unlink(git_path_merge_head(the_repository)); + unlink(git_path_merge_rr(the_repository)); + unlink(git_path_merge_msg(the_repository)); + unlink(git_path_merge_mode(the_repository)); + unlink(git_path_squash_msg(the_repository)); } void die_if_checked_out(const char *branch, int ignore_current_worktree)