libdiff/lib/diff_main.c

71 	const unsigned char *right, size_t right_len,
80 			unsigned char cr = right[ir];
104 			unsigned char cr = right[ir++];
112 	cmp = memcmp(left, right, MIN(left_len, right_len));
123 	      const struct diff_atom *right)
126 	int flags = (left->root->diff_flags | right->root->diff_flags);
129 	if (!left->len && !right->len) {
134 		if (!right->len) {
144 	if (left->at != NULL && right->at != NULL) {
145 		*cmp = buf_cmp(left->at, left->len, right->at, right->len,
151 	remain_right = right->len;
184 		if (right->at == NULL) {
185 			r = read_at(right->root->f,
186 				    right->pos + (right->len - remain_right),
194 			p_right = right->at + (right->len - remain_right);
215 	       const struct diff_atom *right)
219 	if (left->hash != right->hash) {
223 	r = diff_atom_cmp(&cmp, left, right);
255 	debug_dump_atoms(&state->right, chunk->right_start, chunk->right_count);
273 		debug_dump_atoms(&state->right, new_chunk->right_start, new_chunk->right_count);
292 			debug_dump_atoms(&state->right, new_chunk->right_start, new_chunk->right_count);
300 			 * the right it corresponds, even though it doesn't add
301 			 * any lines on the right. By moving above a plus chunk,
302 			 * that position on the right has shifted. */
327 /* Even if a left or right side is empty, diff output may need to know the
359 		debug_dump_atoms(&state->right, right_start, right_count);
440 	debug("right:\n");
441 	debug_dump(&state->right);
442 	debug_dump_myers_graph(&state->left, &state->right, NULL, NULL, 0, NULL,
448 	struct diff_atom *r = state->right.atoms.head;
449 	unsigned int r_len = state->right.atoms.len;
500 	/* Add a "plus" chunk with all lines from the right. */
529 	    || !state->left.atoms.len || !state->right.atoms.len) {
533 		      (!state->left.atoms.len || !state->right.atoms.len)?
578 		diff_data_init_subsection(&inner_state.right, &state->right,
610 	  struct diff_data *right)
618 	result->right = right;
630 	diff_data_init_subsection(&state.right, right,
631 				  right->atoms.head,
632 				  right->atoms.len);