2 * Copyright (C) 2005 Junio C Hamano
9 static int contains(struct diff_filespec *one,
10 const char *needle, unsigned long len)
12 unsigned long offset, sz;
14 if (diff_populate_filespec(one))
18 for (offset = 0; offset + len <= sz; offset++)
19 if (!strncmp(needle, data + offset, len))
24 void diff_pickaxe(struct diff_queue_struct *q, const char *needle)
26 unsigned long len = strlen(needle);
28 struct diff_queue_struct outq;
30 outq.nr = outq.alloc = 0;
32 for (i = 0; i < q->nr; i++) {
33 struct diff_filepair *p = q->queue[i];
34 if (!p->one->file_valid) {
35 if (!p->two->file_valid)
36 continue; /* ignore nonsense */
38 if (contains(p->two, needle, len))
39 diff_queue(&outq, p->one, p->two);
41 else if (!p->two->file_valid) {
42 if (contains(p->one, needle, len))
43 diff_queue(&outq, p->one, p->two);
45 else if (contains(p->one, needle, len) !=
46 contains(p->two, needle, len))
47 diff_queue(&outq, p->one, p->two);
49 for (i = 0; i < q->nr; i++) {
50 struct diff_filepair *p = q->queue[i];