detect mpm: remove dead code

src/detect-engine-mpm.c

@@ -1065,114 +1065,6 @@ void PatternMatchDestroyGroup(SigGroupHead *sh)
     return;
 }
 
-/** \brief Hash for looking up contents that are most used,
- *         always used, etc. */
-typedef struct ContentHash_ {
-    DetectContentData *ptr;
-    uint32_t cnt;
-    int use; /* use no matter what */
-} ContentHash;
-
-typedef struct UricontentHash_ {
-    DetectContentData *ptr;
-    uint32_t cnt;
-    int use; /* use no matter what */
-} UricontentHash;
-
-uint32_t ContentHashFunc(HashTable *ht, void *data, uint16_t datalen)
-{
-     ContentHash *ch = (ContentHash *)data;
-     DetectContentData *co = ch->ptr;
-     uint32_t hash = 0;
-     int i;
-     for (i = 0; i < co->content_len; i++) {
-         hash += co->content[i];
-     }
-     hash = hash % ht->array_size;
-     SCLogDebug("hash %" PRIu32 "", hash);
-     return hash;
-}
-
-uint32_t UricontentHashFunc(HashTable *ht, void *data, uint16_t datalen)
-{
-     UricontentHash *ch = (UricontentHash *)data;
-     DetectContentData *ud = ch->ptr;
-     uint32_t hash = 0;
-     int i;
-     for (i = 0; i < ud->content_len; i++) {
-         hash += ud->content[i];
-     }
-     hash = hash % ht->array_size;
-     SCLogDebug("hash %" PRIu32 "", hash);
-     return hash;
-}
-
-char ContentHashCompareFunc(void *data1, uint16_t len1, void *data2, uint16_t len2)
-{
-    ContentHash *ch1 = (ContentHash *)data1;
-    ContentHash *ch2 = (ContentHash *)data2;
-    DetectContentData *co1 = ch1->ptr;
-    DetectContentData *co2 = ch2->ptr;
-
-    if (co1->content_len == co2->content_len &&
-        ((co1->flags & DETECT_CONTENT_NOCASE) == (co2->flags & DETECT_CONTENT_NOCASE)) &&
-        SCMemcmp(co1->content, co2->content, co1->content_len) == 0)
-        return 1;
-
-    return 0;
-}
-
-char UricontentHashCompareFunc(void *data1, uint16_t len1, void *data2, uint16_t len2)
-{
-    UricontentHash *ch1 = (UricontentHash *)data1;
-    UricontentHash *ch2 = (UricontentHash *)data2;
-    DetectContentData *ud1 = ch1->ptr;
-    DetectContentData *ud2 = ch2->ptr;
-
-    if (ud1->content_len == ud2->content_len &&
-        ((ud1->flags & DETECT_CONTENT_NOCASE) == (ud2->flags & DETECT_CONTENT_NOCASE)) &&
-        SCMemcmp(ud1->content, ud2->content, ud1->content_len) == 0)
-        return 1;
-
-    return 0;
-}
-
-ContentHash *ContentHashAlloc(DetectContentData *ptr)
-{
-    ContentHash *ch = SCMalloc(sizeof(ContentHash));
-    if (unlikely(ch == NULL))
-        return NULL;
-
-    ch->ptr = ptr;
-    ch->cnt = 1;
-    ch->use = 0;
-
-    return ch;
-}
-
-UricontentHash *UricontentHashAlloc(DetectContentData *ptr)
-{
-    UricontentHash *ch = SCMalloc(sizeof(UricontentHash));
-    if (unlikely(ch == NULL))
-        return NULL;
-
-    ch->ptr = ptr;
-    ch->cnt = 1;
-    ch->use = 0;
-
-    return ch;
-}
-
-void ContentHashFree(void *ch)
-{
-    SCFree(ch);
-}
-
-void UricontentHashFree(void *ch)
-{
-    SCFree(ch);
-}
-
 /** \brief Predict a strength value for patterns
  *
  *  Patterns with high character diversity score higher.