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Commit | Line | Data |
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6b14d7fa JH |
1 | /* |
2 | * Copyright (C) 2005 Junio C Hamano | |
3 | */ | |
4 | #include "cache.h" | |
5 | #include "diff.h" | |
6 | #include "diffcore.h" | |
7 | #include "delta.h" | |
8 | ||
9 | struct path_spec { | |
10 | const char *spec; | |
11 | int len; | |
12 | }; | |
13 | ||
14 | static int matches_pathspec(const char *name, struct path_spec *s, int cnt) | |
15 | { | |
16 | int i; | |
17 | int namelen; | |
18 | ||
19 | if (cnt == 0) | |
20 | return 1; | |
21 | ||
22 | namelen = strlen(name); | |
23 | for (i = 0; i < cnt; i++) { | |
24 | int len = s->len; | |
25 | if (! strncmp(s->spec, name, len) && | |
26 | len <= namelen && | |
27 | (name[len] == 0 || name[len] == '/')) | |
28 | return 1; | |
29 | } | |
30 | return 0; | |
31 | } | |
32 | ||
33 | void diffcore_pathspec(const char **pathspec) | |
34 | { | |
35 | struct diff_queue_struct *q = &diff_queued_diff; | |
36 | int i, speccnt; | |
37 | struct diff_queue_struct outq; | |
38 | struct path_spec *spec; | |
39 | ||
40 | outq.queue = NULL; | |
41 | outq.nr = outq.alloc = 0; | |
42 | ||
43 | for (i = 0; pathspec[i]; i++) | |
44 | ; | |
45 | speccnt = i; | |
46 | spec = xmalloc(sizeof(*spec) * speccnt); | |
47 | for (i = 0; pathspec[i]; i++) { | |
48 | spec[i].spec = pathspec[i]; | |
49 | spec[i].len = strlen(pathspec[i]); | |
50 | } | |
51 | ||
52 | for (i = 0; i < q->nr; i++) { | |
53 | struct diff_filepair *p = q->queue[i]; | |
54 | if (matches_pathspec(p->one->path, spec, speccnt) || | |
55 | matches_pathspec(p->two->path, spec, speccnt)) | |
56 | diff_q(&outq, p); | |
57 | else | |
58 | diff_free_filepair(p); | |
59 | } | |
60 | free(q->queue); | |
61 | *q = outq; | |
62 | return; | |
63 | } |