Mercurial > hg > cdb
annotate byte_cr.c @ 16:70f4df5a7283
add cdb_write,
log basic mmap outcomes
| author | Henry S. Thompson <ht@inf.ed.ac.uk> |
|---|---|
| date | Thu, 27 Feb 2025 18:26:29 +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
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1 #include "byte.h" |
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2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
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2 |
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2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
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3 void byte_copyr(to,n,from) |
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2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
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4 register char *to; |
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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; |
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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; |
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2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
|
7 { |
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2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
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8 to += n; |
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2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
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9 from += n; |
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2cb46628feec
from cdb-0.75 per http://cr.yp.to/cdb.html,
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff
changeset
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10 for (;;) { |
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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; |
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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; |
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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 } |
