Merge branch 'jk/tighten-alloc'

Update various codepaths to avoid manually-counted malloc().

* jk/tighten-alloc: (22 commits)
  ewah: convert to REALLOC_ARRAY, etc
  convert ewah/bitmap code to use xmalloc
  diff_populate_gitlink: use a strbuf
  transport_anonymize_url: use xstrfmt
  git-compat-util: drop mempcpy compat code
  sequencer: simplify memory allocation of get_message
  test-path-utils: fix normalize_path_copy output buffer size
  fetch-pack: simplify add_sought_entry
  fast-import: simplify allocation in start_packfile
  write_untracked_extension: use FLEX_ALLOC helper
  prepare_{git,shell}_cmd: use argv_array
  use st_add and st_mult for allocation size computation
  convert trivial cases to FLEX_ARRAY macros
  use xmallocz to avoid size arithmetic
  convert trivial cases to ALLOC_ARRAY
  convert manual allocations to argv_array
  argv-array: add detach function
  add helpers for allocating flex-array structs
  harden REALLOC_ARRAY and xcalloc against size_t overflow
  tree-diff: catch integer overflow in combine_diff_path allocation
  ...

1 files changed, 10 insertions, 19 deletions

diff --git a/sequencer.c b/sequencer.c
index 80487860c8..e66f2fe0f0 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -124,42 +124,33 @@ static const char *action_name(const struct replay_opts *opts)
 
 struct commit_message {
 	char *parent_label;
-	const char *label;
-	const char *subject;
+	char *label;
+	char *subject;
 	const char *message;
 };
 
 static int get_message(struct commit *commit, struct commit_message *out)
 {
 	const char *abbrev, *subject;
-	int abbrev_len, subject_len;
-	char *q;
-
-	if (!git_commit_encoding)
-		git_commit_encoding = "UTF-8";
+	int subject_len;
 
-	out->message = logmsg_reencode(commit, NULL, git_commit_encoding);
+	out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding());
 	abbrev = find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV);
-	abbrev_len = strlen(abbrev);
 
 	subject_len = find_commit_subject(out->message, &subject);
 
-	out->parent_label = xmalloc(strlen("parent of ") + abbrev_len +
-			      strlen("... ") + subject_len + 1);
-	q = out->parent_label;
-	q = mempcpy(q, "parent of ", strlen("parent of "));
-	out->label = q;
-	q = mempcpy(q, abbrev, abbrev_len);
-	q = mempcpy(q, "... ", strlen("... "));
-	out->subject = q;
-	q = mempcpy(q, subject, subject_len);
-	*q = '\0';
+	out->subject = xmemdupz(subject, subject_len);
+	out->label = xstrfmt("%s... %s", abbrev, out->subject);
+	out->parent_label = xstrfmt("parent of %s", out->label);
+
 	return 0;
 }
 
 static void free_message(struct commit *commit, struct commit_message *msg)
 {
 	free(msg->parent_label);
+	free(msg->label);
+	free(msg->subject);
 	unuse_commit_buffer(commit, msg->message);
 }