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| author | Ales Kozumplik <akozumpl@redhat.com> | 2012-01-20 10:51:05 +0100 |
|---|---|---|
| committer | Ales Kozumplik <akozumpl@redhat.com> | 2012-03-09 11:02:51 +0100 |
| commit | 48253fc45e973585af73cef429d80224ad21593b (patch) | |
| tree | 3a6586010b3949774b5af2ccd00e8f0ff395e80d /src/bitmap.c | |
| parent | 0aa8a722447b68812ea89acb8881f753a87ca0c2 (diff) | |
| download | libsolv-48253fc45e973585af73cef429d80224ad21593b.tar.gz libsolv-48253fc45e973585af73cef429d80224ad21593b.tar.bz2 libsolv-48253fc45e973585af73cef429d80224ad21593b.zip | |
bitmap: implement map_and and MAPSETALL
Diffstat (limited to 'src/bitmap.c')
| -rw-r--r-- | src/bitmap.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/bitmap.c b/src/bitmap.c index d57971d..94a88ca 100644 --- a/src/bitmap.c +++ b/src/bitmap.c @@ -59,4 +59,16 @@ map_grow(Map *m, int n) } } +/* bitwise-ands same-sized maps t and s, stores the result in t. */ +void +map_and(Map *t, Map *s) +{ + unsigned char *ti, *si, *end; + ti = t->map; + si = s->map; + end = ti + t->size; + while (ti < end) + *ti++ &= *si++; +} + /* EOF */ |