@@ -1,3 +1,8 @@

+Fri Apr 10 14:01:01 CEST 2009 (tk)

+----------------------------------

+ * libclamav/matcher-bm.c: minor performance improvement (bb#1539)

+			   Thanks to Edwin

+

 Wed Apr  8 16:49:32 CEST 2009 (tk)

 ----------------------------------

  * V 0.95.1

@@ -74,7 +74,7 @@ int cli_bm_addpatt(struct cli_matcher *root, struct cli_bm_patt *pattern)

     prev = next = root->bm_suffix[idx];

     while(next) {

-	if(pt[0] >= next->pattern[0])

+	if(pt[0] >= next->pattern0)

 	    break;

 	prev = next;

 	next = next->next;

@@ -89,6 +89,7 @@ int cli_bm_addpatt(struct cli_matcher *root, struct cli_bm_patt *pattern)

 	pattern->next = prev->next;

 	prev->next = pattern;

     }

+    pattern->pattern0 = pattern->pattern[0];

     root->bm_suffix[idx]->cnt++;

     root->bm_patterns++;

@@ -173,7 +174,7 @@ int cli_bm_scanbuff(const unsigned char *buffer, uint32_t length, const char **v

 	    p = root->bm_suffix[idx];

 	    pchain = 0;

 	    while(p) {

-		if(p->pattern[0] != prefix) {

+		if(p->pattern0 != prefix) {

 		    if(pchain)

 			break;

 		    p = p->next;

@@ -31,6 +31,7 @@ struct cli_bm_patt {

     struct cli_bm_patt *next;

     uint16_t length, prefix_length;

     uint16_t cnt;

+    unsigned char pattern0;

     uint8_t target;

 };