Mercurial > hg > cdb
annotate byte_cr.c @ 12:0e21568dec72
allocate a Cdb struct rather than using a single static one,
note that cdb_free does _not_ call alloc_free, just releases the map,
in fact alloc_free is not called anywhere!
| author | Henry S. Thompson <ht@inf.ed.ac.uk> |
|---|---|
| date | Mon, 03 Feb 2025 17:31:23 +0000 |
| parents | 2cb46628feec |
| children |
| rev | line source |
|---|---|
|
0
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
1 #include "byte.h" |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
2 |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
3 void byte_copyr(to,n,from) |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
4 register char *to; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
5 register unsigned int n; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
6 register char *from; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
7 { |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
8 to += n; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
9 from += n; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
10 for (;;) { |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
11 if (!n) return; *--to = *--from; --n; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
12 if (!n) return; *--to = *--from; --n; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
13 if (!n) return; *--to = *--from; --n; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
14 if (!n) return; *--to = *--from; --n; |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
15 } |
|
2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
16 } |
