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 diffcore_pickaxe(const char *needle)
26 struct diff_queue_struct *q = &diff_queued_diff;
27 unsigned long len = strlen(needle);
29 struct diff_queue_struct outq;
31 outq.nr = outq.alloc = 0;
33 for (i = 0; i < q->nr; i++) {
34 struct diff_filepair *p = q->queue[i];
36 if (!DIFF_FILE_VALID(p->one)) {
37 if (!DIFF_FILE_VALID(p->two))
38 continue; /* ignore nonsense */
40 if (contains(p->two, needle, len))
43 else if (!DIFF_FILE_VALID(p->two)) {
44 if (contains(p->one, needle, len))
47 else if (contains(p->one, needle, len) !=
48 contains(p->two, needle, len))
51 diff_free_filepair(p);