Function grep_file

builtin/grep.c:389–413

}

static int grep_file(struct grep_opt *opt, const char *filename)
{
	struct strbuf buf = STRBUF_INIT;
	struct grep_source gs;

	grep_source_name(opt, filename, 0, &buf);
	grep_source_init_file(&gs, buf.buf, filename);
	strbuf_release(&buf);

	if (num_threads > 1) {
		/*
		 * add_work() copies gs and thus assumes ownership of
		 * its fields, so do not call grep_source_clear()
		 */
		add_work(opt, &gs);
		return 0;
	} else {
		int hit;

		hit = grep_source(opt, &gs);

		grep_source_clear(&gs);
		return hit;
	}
}

static void append_path(struct grep_opt *opt, const void *data, size_t len)
{