1 files changed, 21 insertions, 14 deletions

diff --git a/libopie2/opiedb/osqlitedriver.cpp b/libopie2/opiedb/osqlitedriver.cpp
index eea1093..4eda9b9 100644
--- a/libopie2/opiedb/osqlitedriver.cpp
+++ b/libopie2/opiedb/osqlitedriver.cpp
@@ -32,24 +32,26 @@
 #include "osqlitedriver.h"
 
 #include <opie2/odebug.h>
 
 #include <stdlib.h>
 #include <regex.h>
 #include <stdio.h>
 
 // fromLocal8Bit() does not work as expected. Thus it
 // is replaced by fromLatin1() (eilers)
 #define __BUGGY_LOCAL8BIT_
 
+        char *regex_raw;
+        regex_t regex_c;
 
 using namespace Opie::DB;
 using namespace Opie::DB::Internal;
 
 namespace {
     struct Query {
         OSQLError::ValueList errors;
         OSQLResultItem::ValueList items;
         OSQLiteDriver *driver;
     };
 }
 
@@ -75,42 +77,45 @@ void OSQLiteDriver::setUserName( const QString& ) {}
 
 void OSQLiteDriver::setPassword( const QString& ) {}
 
 
 void OSQLiteDriver::setUrl( const QString& url ) {
     m_url = url;
 }
 
 
 void OSQLiteDriver::setOptions( const QStringList& ) {
 }
 
-/*------------------------------------------------------------------/*
+/*
  * Functions to patch a regex search into sqlite
- * -----------------------------------------------------------------*/
+ */
 int sqliteRlikeCompare(const char *zPattern, const char *zString){
-          regex_t regex;
         int res;
-        if ( zPattern==NULL || zString==NULL ) {
-                printf("One of the args was null!\n");
-                return 0;
-        }
-        res = regcomp(&regex, zPattern, REG_EXTENDED);
-        if ( res != 0 ) {
-                printf("Regcomp failed with code %u on string %s\n",res,zPattern);
-
+        if (regex_raw == NULL || (strcmp (zPattern, regex_raw) != 0)){
+                if (regex_raw != NULL) {
+                    free(regex_raw);
+                    regfree(&regex_c);
+                }
+                regex_raw = (char *)malloc(strlen(zPattern)+1);
+                strncpy(regex_raw, zPattern, strlen(zPattern)+1);
+                res = regcomp(&regex_c, zPattern, REG_EXTENDED);
+                if ( res != 0 ) {
+                    printf("Regcomp failed with code %u on string %s\n",res,zPattern);
+                    free(regex_raw);
+                    regex_raw=NULL;
                 return 0;
+                }
         }
-        res = (regexec(&regex, zString, 0, NULL, 0)==0);
-        regfree(&regex);
+        res = (regexec(&regex_c, zString, 0, NULL, 0)==0);
         return res;
 }
 
 void rlikeFunc(sqlite_func *context, int arg, const char **argv){
         if( argv[0]==0 || argv[1]==0 ) return;
                 sqlite_set_result_int(context,
                 sqliteRlikeCompare((const char*)argv[0],
         (const char*)argv[1]));
 }
 
 /*
  * try to open a db specified via setUrl
@@ -133,25 +138,27 @@ bool OSQLiteDriver::open() {
     sqlite_create_function(m_sqlite,"rlike",2,rlikeFunc,NULL);
     return true;
 }
 
 
 /* close the db
  * sqlite closes them without
  * telling failure or success
  */
 bool OSQLiteDriver::close() {
     if (m_sqlite )
         sqlite_close( m_sqlite ), m_sqlite=0l;
-
+        free(regex_raw);
+        regex_raw=NULL;
+        regfree(&regex_c);
     return true;
 }
 
 
 /* Query */
 OSQLResult OSQLiteDriver::query( OSQLQuery* qu) {
     if ( !m_sqlite ) {
         // FIXME set error code
         OSQLResult result( OSQLResult::Failure );
         return result;
     }
     Query query;