From 4d2daf536ba6cb82225f8e4a9ef885199843e9bd Mon Sep 17 00:00:00 2001
From: kosako <kosako@sofnec.co.jp>
Date: Tue, 29 Mar 2016 17:28:34 +0900
Subject: [PATCH] remove onig_chain_reduce() and onig_chain_link_add()

---
 src/regcomp.c | 31 -------------------------------
 src/regint.h  |  2 --
 2 files changed, 33 deletions(-)

diff --git a/src/regcomp.c b/src/regcomp.c
index 4458bf3..d1a4c7b 100644
--- a/src/regcomp.c
+++ b/src/regcomp.c
@@ -5215,37 +5215,6 @@ onig_transfer(regex_t* to, regex_t* from)
   REGEX_TRANSFER(to, from);
 }
 
-#define REGEX_CHAIN_HEAD(reg) do {\
-  while (IS_NOT_NULL((reg)->chain)) {\
-    (reg) = (reg)->chain;\
-  }\
-} while (0)
-
-extern void
-onig_chain_link_add(regex_t* to, regex_t* add)
-{
-  THREAD_ATOMIC_START;
-  REGEX_CHAIN_HEAD(to);
-  to->chain = add;
-  THREAD_ATOMIC_END;
-}
-
-extern void
-onig_chain_reduce(regex_t* reg)
-{
-  regex_t *head, *prev;
-
-  prev = reg;
-  head = prev->chain;
-  if (IS_NOT_NULL(head)) {
-    while (IS_NOT_NULL(head->chain)) {
-      prev = head;
-      head = head->chain;
-    }
-    prev->chain = (regex_t* )NULL;
-    REGEX_TRANSFER(reg, head);
-  }
-}
 
 #ifdef ONIG_DEBUG
 static void print_compiled_byte_code_list P_((FILE* f, regex_t* reg));
diff --git a/src/regint.h b/src/regint.h
index 09fe2bc..6d2f37f 100644
--- a/src/regint.h
+++ b/src/regint.h
@@ -757,8 +757,6 @@ extern UChar* onig_error_code_to_format P_((int code));
 extern void  onig_snprintf_with_pattern PV_((UChar buf[], int bufsize, OnigEncoding enc, UChar* pat, UChar* pat_end, const UChar *fmt, ...));
 extern int  onig_bbuf_init P_((BBuf* buf, int size));
 extern int  onig_compile P_((regex_t* reg, const UChar* pattern, const UChar* pattern_end, OnigErrorInfo* einfo));
-extern void onig_chain_reduce P_((regex_t* reg));
-extern void onig_chain_link_add P_((regex_t* to, regex_t* add));
 extern void onig_transfer P_((regex_t* to, regex_t* from));
 extern int  onig_is_code_in_cc P_((OnigEncoding enc, OnigCodePoint code, CClassNode* cc));
 extern int  onig_is_code_in_cc_len P_((int enclen, OnigCodePoint code, CClassNode* cc));
-- 
2.40.0