Code

Remove MERGE_HEAD after committing merge
[git.git] / diffcore-pathspec.c
1 /*
2  * Copyright (C) 2005 Junio C Hamano
3  */
4 #include "cache.h"
5 #include "diff.h"
6 #include "diffcore.h"
8 struct path_spec {
9         const char *spec;
10         int len;
11 };
13 static int matches_pathspec(const char *name, struct path_spec *s, int cnt)
14 {
15         int i;
16         int namelen;
18         if (cnt == 0)
19                 return 1;
21         namelen = strlen(name);
22         for (i = 0; i < cnt; i++) {
23                 int len = s[i].len;
24                 if (namelen < len)
25                         continue;
26                 if (memcmp(s[i].spec, name, len))
27                         continue;
28                 if (s[i].spec[len-1] == '/' ||
29                     name[len] == 0 ||
30                     name[len] == '/')
31                         return 1;
32         }
33         return 0;
34 }
36 void diffcore_pathspec(const char **pathspec)
37 {
38         struct diff_queue_struct *q = &diff_queued_diff;
39         int i, speccnt;
40         struct diff_queue_struct outq;
41         struct path_spec *spec;
43         outq.queue = NULL;
44         outq.nr = outq.alloc = 0;
46         for (i = 0; pathspec[i]; i++)
47                 ;
48         speccnt = i;
49         spec = xmalloc(sizeof(*spec) * speccnt);
50         for (i = 0; pathspec[i]; i++) {
51                 spec[i].spec = pathspec[i];
52                 spec[i].len = strlen(pathspec[i]);
53         }
55         for (i = 0; i < q->nr; i++) {
56                 struct diff_filepair *p = q->queue[i];
57                 if (matches_pathspec(p->two->path, spec, speccnt))
58                         diff_q(&outq, p);
59                 else
60                         diff_free_filepair(p);
61         }
62         free(q->queue);
63         *q = outq;
64         return;
65 }