code cleanup - remove DetectContentHasPrevSMPattern

src/detect-content.c

@@ -370,31 +370,6 @@ SigMatch *DetectContentFindNextApplicableSM(SigMatch *sm)
     return sm;
 }
 
-/**
- * \brief Helper function to determine if there are patterns before this one,
- *        this is used before installing a new within or distance modifier
- *        because if this return NULL, it will never match!
- *
- * \param sm pointer to the current SigMatch of a parsing process
- *
- * \retval null if no applicable SigMatch pattern was found
- * \retval pointer to the SigMatch that has the previous SigMatch
- *                 of type DetectContent
- *
- * \todo: should we add here DETECT_PCRE, DETECT_URI_CONTENT, etc?
- */
-SigMatch *DetectContentHasPrevSMPattern(SigMatch *sm)
-{
-    if (sm == NULL)
-        return NULL;
-
-    /* the current SM doesn't apply */
-    sm = sm->prev;
-    while (sm != NULL && sm->type != DETECT_CONTENT)
-        sm = sm->prev;
-    return sm;
-}
-
 /**
  * \brief Search the first DETECT_CONTENT
  * \retval pointer to the SigMatch holding the DetectContent

src/detect-content.h

@@ -113,10 +113,6 @@ SigMatch *DetectContentGetLastPattern(SigMatch *);
  * a DETECT_CONTENT context. The Match process call this */
 SigMatch *DetectContentFindNextApplicableSM(SigMatch *);
 
-/** This function search backwards if we have a SigMatch holding
- * a Pattern before the SigMatch passed as argument */
-SigMatch *DetectContentHasPrevSMPattern(SigMatch *);
-
 void DetectContentFree(void *);
 
 #endif /* __DETECT_CONTENT_H__ */