Fix enforcement of the LIKE_PATTERN limit. (CVS 3962)

FossilOrigin-Name: 8819617b7cf7ccd64bf6bb4ba208f37126964ec2

1 files changed, 5 insertions, 6 deletions

diff --git a/src/func.c b/src/func.c
index c9a035a42..a8fbe104e 100644
--- a/src/func.c
+++ b/src/func.c
@@ -16,7 +16,7 @@
 ** sqliteRegisterBuildinFunctions() found at the bottom of the file.
 ** All other code has file scope.
 **
-** $Id: func.c,v 1.152 2007/05/08 20:37:39 drh Exp $
+** $Id: func.c,v 1.153 2007/05/09 08:24:44 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -540,14 +540,13 @@ static void likeFunc(
   /* Limit the length of the LIKE or GLOB pattern to avoid problems
   ** of deep recursion and N*N behavior in patternCompare().
   */
-  if( sqlite3_value_bytes(argv[1])>SQLITE_MAX_LIKE_PATTERN_LENGTH ){
+  if( sqlite3_value_bytes(argv[0])>SQLITE_MAX_LIKE_PATTERN_LENGTH ){
     sqlite3_result_error(context, "LIKE or GLOB pattern too complex", -1);
     return;
   }
 
-
-  zA = sqlite3_value_text(argv[0]);
-  zB = sqlite3_value_text(argv[1]);
+  zB = sqlite3_value_text(argv[0]);
+  zA = sqlite3_value_text(argv[1]);
   int escape = 0;
   if( argc==3 ){
     /* The escape character string must consist of a single UTF-8 character.
@@ -568,7 +567,7 @@ static void likeFunc(
     sqlite3_like_count++;
 #endif
     
-    sqlite3_result_int(context, patternCompare(zA, zB, pInfo, escape));
+    sqlite3_result_int(context, patternCompare(zB, zA, pInfo, escape));
   }
 }