Mercurial > cpython-lru_cache-weakref

annotate Objects/stringlib/count.h @ 62799:dcc2e8bf64cf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix: Issue9091 Minor documentation clarification.
author Senthil Kumaran <orsenthil@gmail.com>
date Mon, 05 Jul 2010 11:41:42 +0000
parents 5ca1948a8fd6
children 8beaa9a37387
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1 /* stringlib: count implementation */
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
2
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
3 #ifndef STRINGLIB_COUNT_H
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
4 #define STRINGLIB_COUNT_H
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
5
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
6 #ifndef STRINGLIB_FASTSEARCH_H
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
7 #error must include "stringlib/fastsearch.h" before including this module
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
8 #endif
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
9
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
10 Py_LOCAL_INLINE(Py_ssize_t)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
11 stringlib_count(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
58289
5ca1948a8fd6 Merged revisions 77461 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 49310
diff changeset
12 const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,
5ca1948a8fd6 Merged revisions 77461 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 49310
diff changeset
13 Py_ssize_t maxcount)
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
14 {
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
15 Py_ssize_t count;
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
16
49310
6403f1edecc1 Merged revisions 66631 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 38669
diff changeset
17 if (str_len < 0)
6403f1edecc1 Merged revisions 66631 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 38669
diff changeset
18 return 0; /* start > len(str) */
6403f1edecc1 Merged revisions 66631 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 38669
diff changeset
19 if (sub_len == 0)
58289
5ca1948a8fd6 Merged revisions 77461 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 49310
diff changeset
20 return (str_len < maxcount) ? str_len + 1 : maxcount;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
21
58289
5ca1948a8fd6 Merged revisions 77461 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 49310
diff changeset
22 count = fastsearch(str, str_len, sub, sub_len, maxcount, FAST_COUNT);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
23
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
24 if (count < 0)
58289
5ca1948a8fd6 Merged revisions 77461 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 49310
diff changeset
25 return 0; /* no match */
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
26
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
27 return count;
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
28 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
29
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
30 #endif