From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 6 Apr 2015 16:14:21 +0000 (+0100)
Subject: Slightly adopt actrie for rspamd.
X-Git-Tag: 0.9.0~318^2~4
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=680a2b66cbb66a52b72e18895236ccafe2791c84;p=rspamd.git

Slightly adopt actrie for rspamd.
---

diff --git a/contrib/aho-corasic/acism.c b/contrib/aho-corasic/acism.c
index 044776613..23a5eb334 100644
--- a/contrib/aho-corasic/acism.c
+++ b/contrib/aho-corasic/acism.c
@@ -23,12 +23,12 @@
 #define ROOT ((STATE) 0)
 
 int
-acism_more(ac_trie_t const *psp, MEMREF const text,
-           ACISM_ACTION *cb, void *context, int *statep)
+acism_lookup(ac_trie_t const *psp, const char *text, size_t len,
+           ACISM_ACTION *cb, void *context)
 {
     ac_trie_t const ps = *psp;
-    char const *cp = text.ptr, *endp = cp + text.len;
-    STATE state = *statep;
+    char const *cp = text, *endp = cp + len;
+    STATE state = 0;
     int ret = 0;
 
     while (cp < endp) {
@@ -83,7 +83,7 @@ acism_more(ac_trie_t const *psp, MEMREF const text,
                         strno = ps.hashv[i].strno;
                     }
 
-                    if ((ret = cb(strno, cp - text.ptr, context)))
+                    if ((ret = cb(strno, cp - text, context)))
                         goto EXIT;
                 }
 
@@ -102,6 +102,6 @@ acism_more(ac_trie_t const *psp, MEMREF const text,
         }
     }
 EXIT:
-    return *statep = state, ret;
+    return ret;
 }
 //EOF
diff --git a/contrib/aho-corasic/acism.h b/contrib/aho-corasic/acism.h
index 7c4398908..af6f60253 100644
--- a/contrib/aho-corasic/acism.h
+++ b/contrib/aho-corasic/acism.h
@@ -21,17 +21,15 @@
 #ifndef ACISM_H
 #define ACISM_H
 
+#include "config.h"
 // "acism" uses MEMREF {ptr,len} bytevec structs for "string" args,
 // rather than NUL-terminated "C" strings.
 
-#ifndef MSUTIL_H
-#include <stdio.h>
-typedef struct { char const *ptr; size_t len; } MEMREF;
-#endif
+typedef struct { char const *ptr; size_t len; } ac_trie_pat_t;
 
 typedef struct acism ac_trie_t;
 
-ac_trie_t* acism_create(MEMREF const *strv, int nstrs);
+ac_trie_t* acism_create(ac_trie_pat_t const *strv, int nstrs);
 void   acism_destroy(ac_trie_t*);
 
 // For each match, acism_scan calls its ACISM_ACTION fn,
@@ -47,14 +45,7 @@ typedef int (ACISM_ACTION)(int strnum, int textpos, void *context);
 //  string matches can cross block boundaries.
 // *state should initially be (0).
 
-int acism_more(ac_trie_t const*, MEMREF const text,
-                 ACISM_ACTION *fn, void *fndata, int *state);
-
-static inline int acism_scan(ac_trie_t const*psp, MEMREF const text,
-                               ACISM_ACTION *fn, void *fndata)
-{
-    int state = 0;
-    return acism_more(psp, text, fn, fndata, &state);
-}
+int acism_lookup(ac_trie_t const *psp, const char *text, size_t len,
+           ACISM_ACTION *cb, void *context);
 
 #endif//ACISM_H
diff --git a/contrib/aho-corasic/acism_create.c b/contrib/aho-corasic/acism_create.c
index 64c0dd084..b1d9b51e3 100644
--- a/contrib/aho-corasic/acism_create.c
+++ b/contrib/aho-corasic/acism_create.c
@@ -37,8 +37,8 @@ static inline int bitwid(unsigned u)
     if (u & 0x00000002) ret++;
     return ret;
 }
-static void   fill_symv(ac_trie_t*, MEMREF const*, int ns);
-static int    create_tree(TNODE*, SYMBOL const*symv, MEMREF const*strv, int nstrs);
+static void   fill_symv(ac_trie_t*, ac_trie_pat_t const*, int ns);
+static int    create_tree(TNODE*, SYMBOL const*symv, ac_trie_pat_t const*strv, int nstrs);
 static void   add_backlinks(TNODE*, TNODE**, TNODE**);
 static void   prune_backlinks(TNODE*);
 static int    interleave(TNODE*, int nnodes, int nsyms, TNODE**, TNODE**);
@@ -69,7 +69,7 @@ extern PSSTAT psstat[];
 
 //--------------|---------------------------------------------
 ac_trie_t*
-acism_create(MEMREF const* strv, int nstrs)
+acism_create(ac_trie_pat_t const* strv, int nstrs)
 {
     TNODE *tp, **v1 = NULL, **v2 = NULL;
     ac_trie_t *psp = calloc(1, sizeof*psp);
@@ -134,7 +134,7 @@ typedef struct { int freq, rank; } FRANK;
 static int frcmp(FRANK*a, FRANK*b) { return a->freq - b->freq; }
 
 static void
-fill_symv(ac_trie_t *psp, MEMREF const *strv, int nstrs)
+fill_symv(ac_trie_t *psp, ac_trie_pat_t const *strv, int nstrs)
 {
     int i, j;
     FRANK frv[256];
@@ -156,7 +156,7 @@ fill_symv(ac_trie_t *psp, MEMREF const *strv, int nstrs)
 }
 
 static int
-create_tree(TNODE *Tree, SYMBOL const *symv, MEMREF const *strv, int nstrs)
+create_tree(TNODE *Tree, SYMBOL const *symv, ac_trie_pat_t const *strv, int nstrs)
 {
     int i, j;
     TNODE *nextp = Tree + 1;