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authorJoonwoo Park <joonwpark81@gmail.com>2008-07-08 02:37:31 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-08 02:37:31 -0700
commitb9c796783151678d08b1ec1ef410685b2515ba51 (patch)
tree48546b3c11b7111f465d09fe6802bae3e227262f /lib/textsearch.c
parent58de7862e61cb71251a25314d1b3d7260af1448a (diff)
textsearch: support for case insensitive searching
The function textsearch_prepare has a new flag to support case insensitive searching. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/textsearch.c')
-rw-r--r--lib/textsearch.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/textsearch.c b/lib/textsearch.c
index be8bda3862f5..b451fcc9354c 100644
--- a/lib/textsearch.c
+++ b/lib/textsearch.c
@@ -54,10 +54,13 @@
* USAGE
*
* Before a search can be performed, a configuration must be created
- * by calling textsearch_prepare() specyfing the searching algorithm and
- * the pattern to look for. The returned configuration may then be used
- * for an arbitary amount of times and even in parallel as long as a
- * separate struct ts_state variable is provided to every instance.
+ * by calling textsearch_prepare() specifying the searching algorithm,
+ * the pattern to look for and flags. As a flag, you can set TS_IGNORECASE
+ * to perform case insensitive matching. But it might slow down
+ * performance of algorithm, so you should use it at own your risk.
+ * The returned configuration may then be used for an arbitary
+ * amount of times and even in parallel as long as a separate struct
+ * ts_state variable is provided to every instance.
*
* The actual search is performed by either calling textsearch_find_-
* continuous() for linear data or by providing an own get_next_block()
@@ -89,7 +92,6 @@
* panic("Oh my god, dancing chickens at %d\n", pos);
*
* textsearch_destroy(conf);
- *
* ==========================================================================
*/
@@ -279,7 +281,7 @@ struct ts_config *textsearch_prepare(const char *algo, const void *pattern,
if (ops == NULL)
goto errout;
- conf = ops->init(pattern, len, gfp_mask);
+ conf = ops->init(pattern, len, gfp_mask, flags);
if (IS_ERR(conf)) {
err = PTR_ERR(conf);
goto errout;

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