From bc6b8fc1300ef79c4b4c3c2a79bb3c1e2e032963 Mon Sep 17 00:00:00 2001 From: Jeff King Date: Tue, 10 Jun 2014 17:41:51 -0400 Subject: use get_commit_buffer everywhere Each of these sites assumes that commit->buffer is valid. Since they would segfault if this was not the case, they are likely to be correct in practice. However, we can future-proof them by using get_commit_buffer. And as a side effect, we abstract away the final bare uses of commit->buffer. Signed-off-by: Jeff King Signed-off-by: Junio C Hamano diff --git a/builtin/fast-export.c b/builtin/fast-export.c index b8d8a3a..7ee5e08 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -279,6 +279,7 @@ static const char *find_encoding(const char *begin, const char *end) static void handle_commit(struct commit *commit, struct rev_info *rev) { int saved_output_format = rev->diffopt.output_format; + const char *commit_buffer; const char *author, *author_end, *committer, *committer_end; const char *encoding, *message; char *reencoded = NULL; @@ -288,7 +289,8 @@ static void handle_commit(struct commit *commit, struct rev_info *rev) rev->diffopt.output_format = DIFF_FORMAT_CALLBACK; parse_commit_or_die(commit); - author = strstr(commit->buffer, "\nauthor "); + commit_buffer = get_commit_buffer(commit); + author = strstr(commit_buffer, "\nauthor "); if (!author) die ("Could not find author in commit %s", sha1_to_hex(commit->object.sha1)); @@ -335,6 +337,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev) ? strlen(message) : 0), reencoded ? reencoded : message ? message : ""); free(reencoded); + unuse_commit_buffer(commit, commit_buffer); for (i = 0, p = commit->parents; p; p = p->next) { int mark = get_object_mark(&p->item->object); diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index 3906eda..01f6d59 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c @@ -230,12 +230,14 @@ static void add_branch_desc(struct strbuf *out, const char *name) static void record_person(int which, struct string_list *people, struct commit *commit) { + const char *buffer; char *name_buf, *name, *name_end; struct string_list_item *elem; const char *field; field = (which == 'a') ? "\nauthor " : "\ncommitter "; - name = strstr(commit->buffer, field); + buffer = get_commit_buffer(commit); + name = strstr(buffer, field); if (!name) return; name += strlen(field); @@ -247,6 +249,7 @@ static void record_person(int which, struct string_list *people, if (name_end < name) return; name_buf = xmemdupz(name, name_end - name + 1); + unuse_commit_buffer(commit, buffer); elem = string_list_lookup(people, name_buf); if (!elem) { diff --git a/builtin/log.c b/builtin/log.c index 226f8f2..2c74260 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -918,9 +918,12 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, log_write_email_headers(rev, head, &pp.subject, &pp.after_subject, &need_8bit_cte); - for (i = 0; !need_8bit_cte && i < nr; i++) - if (has_non_ascii(list[i]->buffer)) + for (i = 0; !need_8bit_cte && i < nr; i++) { + const char *buf = get_commit_buffer(list[i]); + if (has_non_ascii(buf)) need_8bit_cte = 1; + unuse_commit_buffer(list[i], buf); + } if (!branch_name) branch_name = find_branch_name(rev); diff --git a/fsck.c b/fsck.c index abed62b..8223780 100644 --- a/fsck.c +++ b/fsck.c @@ -276,9 +276,10 @@ static int fsck_ident(const char **ident, struct object *obj, fsck_error error_f return 0; } -static int fsck_commit(struct commit *commit, fsck_error error_func) +static int fsck_commit_buffer(struct commit *commit, const char *buffer, + fsck_error error_func) { - const char *buffer = commit->buffer, *tmp; + const char *tmp; unsigned char tree_sha1[20], sha1[20]; struct commit_graft *graft; int parents = 0; @@ -336,6 +337,14 @@ static int fsck_commit(struct commit *commit, fsck_error error_func) return 0; } +static int fsck_commit(struct commit *commit, fsck_error error_func) +{ + const char *buffer = get_commit_buffer(commit); + int ret = fsck_commit_buffer(commit, buffer, error_func); + unuse_commit_buffer(commit, buffer); + return ret; +} + static int fsck_tag(struct tag *tag, fsck_error error_func) { struct object *tagged = tag->tagged; diff --git a/merge-recursive.c b/merge-recursive.c index fc2a68a..78908aa 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -190,9 +190,11 @@ static void output_commit_title(struct merge_options *o, struct commit *commit) printf(_("(bad commit)\n")); else { const char *title; - int len = find_commit_subject(commit->buffer, &title); + const char *msg = get_commit_buffer(commit); + int len = find_commit_subject(msg, &title); if (len) printf("%.*s\n", len, title); + unuse_commit_buffer(commit, msg); } } } diff --git a/notes-merge.c b/notes-merge.c index 697cec3..e804db2 100644 --- a/notes-merge.c +++ b/notes-merge.c @@ -672,7 +672,8 @@ int notes_merge_commit(struct notes_merge_options *o, DIR *dir; struct dirent *e; struct strbuf path = STRBUF_INIT; - char *msg = strstr(partial_commit->buffer, "\n\n"); + const char *buffer = get_commit_buffer(partial_commit); + const char *msg = strstr(buffer, "\n\n"); int baselen; strbuf_addstr(&path, git_path(NOTES_MERGE_WORKTREE)); @@ -721,6 +722,7 @@ int notes_merge_commit(struct notes_merge_options *o, create_notes_commit(partial_tree, partial_commit->parents, msg, strlen(msg), result_sha1); + unuse_commit_buffer(partial_commit, buffer); if (o->verbosity >= 4) printf("Finalized notes merge commit: %s\n", sha1_to_hex(result_sha1)); diff --git a/sequencer.c b/sequencer.c index 7b1f87a..69bcf3d 100644 --- a/sequencer.c +++ b/sequencer.c @@ -662,10 +662,12 @@ static int format_todo(struct strbuf *buf, struct commit_list *todo_list, int subject_len; for (cur = todo_list; cur; cur = cur->next) { + const char *commit_buffer = get_commit_buffer(cur->item); sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV); - subject_len = find_commit_subject(cur->item->buffer, &subject); + subject_len = find_commit_subject(commit_buffer, &subject); strbuf_addf(buf, "%s %s %.*s\n", action_str, sha1_abbrev, subject_len, subject); + unuse_commit_buffer(cur->item, commit_buffer); } return 0; } -- cgit v0.10.2-6-g49f6