Function queue_diff

diff-no-index.c:161–290

}

static int queue_diff(struct diff_options *o, const struct git_hash_algo *algop,
		      const char *name1, const char *name2, int recursing,
		      const struct pathspec *ps,
		      struct strbuf *ps_match1, struct strbuf *ps_match2)
{
	int mode1 = 0, mode2 = 0;
	enum special special1 = SPECIAL_NONE, special2 = SPECIAL_NONE;

	/* Paths can only be special if we're not recursing. */
	if (get_mode(name1, &mode1, recursing ? NULL : &special1) ||
	    get_mode(name2, &mode2, recursing ? NULL : &special2))
		return -1;

	if (mode1 && mode2 && S_ISDIR(mode1) != S_ISDIR(mode2)) {
		struct diff_filespec *d1, *d2;

		if (S_ISDIR(mode1)) {
			/* 2 is file that is created */
			d1 = noindex_filespec(algop, NULL, 0, SPECIAL_NONE);
			d2 = noindex_filespec(algop, name2, mode2, special2);
			name2 = NULL;
			mode2 = 0;
		} else {
			/* 1 is file that is deleted */
			d1 = noindex_filespec(algop, name1, mode1, special1);
			d2 = noindex_filespec(algop, NULL, 0, SPECIAL_NONE);
			name1 = NULL;
			mode1 = 0;
		}
		/* emit that file */
		diff_queue(&diff_queued_diff, d1, d2);

		/* and then let the entire directory be created or deleted */
	}

	if (S_ISDIR(mode1) || S_ISDIR(mode2)) {
		struct strbuf buffer1 = STRBUF_INIT;
		struct strbuf buffer2 = STRBUF_INIT;
		struct string_list p1 = STRING_LIST_INIT_DUP;
		struct string_list p2 = STRING_LIST_INIT_DUP;
		int i1, i2, ret = 0;
		size_t len1 = 0, len2 = 0;
		size_t match1_len = ps_match1->len;
		size_t match2_len = ps_match2->len;

		if (name1 && read_directory_contents(name1, &p1, ps, ps_match1))
			return -1;
		if (name2 && read_directory_contents(name2, &p2, ps, ps_match2)) {
			string_list_clear(&p1, 0);
			return -1;
		}

		if (name1) {
			strbuf_addstr(&buffer1, name1);
			strbuf_complete(&buffer1, '/');
			len1 = buffer1.len;
		}