Function read_commit_extra_header_lines

commit.c:1511–1552

}

static struct commit_extra_header *read_commit_extra_header_lines(
	const char *buffer, size_t size,
	const char **exclude)
{
	struct commit_extra_header *extra = NULL, **tail = &extra, *it = NULL;
	const char *line, *next, *eof, *eob;
	struct strbuf buf = STRBUF_INIT;

	for (line = buffer, eob = line + size;
	     line < eob && *line != '\n';
	     line = next) {
		next = memchr(line, '\n', eob - line);
		next = next ? next + 1 : eob;
		if (*line == ' ') {
			/* continuation */
			if (it)
				strbuf_add(&buf, line + 1, next - (line + 1));
			continue;
		}
		if (it)
			it->value = strbuf_detach(&buf, &it->len);
		strbuf_reset(&buf);
		it = NULL;

		eof = memchr(line, ' ', next - line);
		if (!eof)
			eof = next;
		else if (standard_header_field(line, eof - line) ||
			 excluded_header_field(line, eof - line, exclude))
			continue;

		CALLOC_ARRAY(it, 1);
		it->key = xmemdupz(line, eof-line);
		*tail = it;
		tail = &it->next;
		if (eof + 1 < next)
			strbuf_add(&buf, eof + 1, next - (eof + 1));
	}
	if (it)
		it->value = strbuf_detach(&buf, &it->len);
	return extra;
}

void free_commit_extra_headers(struct commit_extra_header *extra)
{