Update to Onigmo 6.1.3-669ac9997619954c298da971fcfacccf36909d05.

[Bug #13892]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60966 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 523 deletions

diff --git a/enc/shift_jis.c b/enc/shift_jis.c
index eacca9a5db..65fd5102de 100644
--- a/enc/shift_jis.c
+++ b/enc/shift_jis.c
@@ -1,9 +1,9 @@
 /**********************************************************************
-  sjis.c -  Onigmo (Oniguruma-mod) (regular expression library)
+  shift_jis.c -  Onigmo (Oniguruma-mod) (regular expression library)
 **********************************************************************/
 /*-
- * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
- * Copyright (c) 2011       K.Takata  <kentkt AT csc DOT jp>
+ * Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * Copyright (c) 2011-2017  K.Takata  <kentkt AT csc DOT jp>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -28,524 +28,8 @@
  * SUCH DAMAGE.
  */
 
-#include "regenc.h"
+#include "shift_jis.h"
 
-static const int EncLen_SJIS[] = {
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1
-};
-
-static const char SJIS_CAN_BE_TRAIL_TABLE[256] = {
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0
-};
-
-static const OnigPairCaseFoldCodes CaseFoldMap[] = {
-  /* Fullwidth Alphabet */
-  { 0x8260, 0x8281 },
-  { 0x8261, 0x8282 },
-  { 0x8262, 0x8283 },
-  { 0x8263, 0x8284 },
-  { 0x8264, 0x8285 },
-  { 0x8265, 0x8286 },
-  { 0x8266, 0x8287 },
-  { 0x8267, 0x8288 },
-  { 0x8268, 0x8289 },
-  { 0x8269, 0x828a },
-  { 0x826a, 0x828b },
-  { 0x826b, 0x828c },
-  { 0x826c, 0x828d },
-  { 0x826d, 0x828e },
-  { 0x826e, 0x828f },
-  { 0x826f, 0x8290 },
-  { 0x8270, 0x8291 },
-  { 0x8271, 0x8292 },
-  { 0x8272, 0x8293 },
-  { 0x8273, 0x8294 },
-  { 0x8274, 0x8295 },
-  { 0x8275, 0x8296 },
-  { 0x8276, 0x8297 },
-  { 0x8277, 0x8298 },
-  { 0x8278, 0x8299 },
-  { 0x8279, 0x829a },
-
-  /* Greek */
-  { 0x839f, 0x83bf },
-  { 0x83a0, 0x83c0 },
-  { 0x83a1, 0x83c1 },
-  { 0x83a2, 0x83c2 },
-  { 0x83a3, 0x83c3 },
-  { 0x83a4, 0x83c4 },
-  { 0x83a5, 0x83c5 },
-  { 0x83a6, 0x83c6 },
-  { 0x83a7, 0x83c7 },
-  { 0x83a8, 0x83c8 },
-  { 0x83a9, 0x83c9 },
-  { 0x83aa, 0x83ca },
-  { 0x83ab, 0x83cb },
-  { 0x83ac, 0x83cc },
-  { 0x83ad, 0x83cd },
-  { 0x83ae, 0x83ce },
-  { 0x83af, 0x83cf },
-  { 0x83b0, 0x83d0 },
-  { 0x83b1, 0x83d1 },
-  { 0x83b2, 0x83d2 },
-  { 0x83b3, 0x83d3 },
-  { 0x83b4, 0x83d4 },
-  { 0x83b5, 0x83d5 },
-  { 0x83b6, 0x83d6 },
-
-  /* Cyrillic */
-  { 0x8440, 0x8470 },
-  { 0x8441, 0x8471 },
-  { 0x8442, 0x8472 },
-  { 0x8443, 0x8473 },
-  { 0x8444, 0x8474 },
-  { 0x8445, 0x8475 },
-  { 0x8446, 0x8476 },
-  { 0x8447, 0x8477 },
-  { 0x8448, 0x8478 },
-  { 0x8449, 0x8479 },
-  { 0x844a, 0x847a },
-  { 0x844b, 0x847b },
-  { 0x844c, 0x847c },
-  { 0x844d, 0x847d },
-  { 0x844e, 0x847e },
-  { 0x844f, 0x8480 },
-  { 0x8450, 0x8481 },
-  { 0x8451, 0x8482 },
-  { 0x8452, 0x8483 },
-  { 0x8453, 0x8484 },
-  { 0x8454, 0x8485 },
-  { 0x8455, 0x8486 },
-  { 0x8456, 0x8487 },
-  { 0x8457, 0x8488 },
-  { 0x8458, 0x8489 },
-  { 0x8459, 0x848a },
-  { 0x845a, 0x848b },
-  { 0x845b, 0x848c },
-  { 0x845c, 0x848d },
-  { 0x845d, 0x848e },
-  { 0x845e, 0x848f },
-  { 0x845f, 0x8490 },
-  { 0x8460, 0x8491 },
-};
-
-#define SJIS_ISMB_FIRST(byte)  (EncLen_SJIS[byte] > 1)
-#define SJIS_ISMB_TRAIL(byte)  SJIS_CAN_BE_TRAIL_TABLE[(byte)]
-
-typedef enum { FAILURE = -2, ACCEPT = -1, S0 = 0, S1 } state_t;
-#define A ACCEPT
-#define F FAILURE
-static const signed char trans[][0x100] = {
-  { /* S0   0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f */
-    /* 0 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 1 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 2 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 3 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 8 */ F, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-    /* 9 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-    /* a */ F, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* b */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* c */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* d */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* e */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-    /* f */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, F, F, F
-  },
-  { /* S1   0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f */
-    /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
-    /* 1 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
-    /* 2 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
-    /* 3 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
-    /* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, F,
-    /* 8 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* 9 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* a */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* b */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* c */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* d */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* e */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
-    /* f */ A, A, A, A, A, A, A, A, A, A, A, A, A, F, F, F
-  }
-};
-#undef A
-#undef F
-
-static int
-mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc ARG_UNUSED)
-{
-  int firstbyte = *p++;
-  state_t s;
-  s = trans[0][firstbyte];
-  if (s < 0) return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(1) :
-                                  ONIGENC_CONSTRUCT_MBCLEN_INVALID();
-  if (p == e) return ONIGENC_CONSTRUCT_MBCLEN_NEEDMORE(EncLen_SJIS[firstbyte]-1);
-  s = trans[s][*p++];
-  return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(2) :
-                       ONIGENC_CONSTRUCT_MBCLEN_INVALID();
-}
-
-static int
-code_to_mbclen(OnigCodePoint code, OnigEncoding enc ARG_UNUSED)
-{
-  if (code < 256) {
-    if (EncLen_SJIS[(int )code] == 1)
-      return 1;
-    else
-      return ONIGERR_INVALID_CODE_POINT_VALUE;
-  }
-  else if (code <= 0xffff) {
-    int low = code & 0xff;
-    if (! SJIS_ISMB_TRAIL(low))
-      return ONIGERR_INVALID_CODE_POINT_VALUE;
-    return 2;
-  }
-  else
-    return ONIGERR_TOO_BIG_WIDE_CHAR_VALUE;
-}
-
-static OnigCodePoint
-mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
-{
-  int c, i, len;
-  OnigCodePoint n;
-
-  len = mbc_enc_len(p, end, enc);
-  c = *p++;
-  n = c;
-  if (len == 1) return n;
-
-  for (i = 1; i < len; i++) {
-    if (p >= end) break;
-    c = *p++;
-    n <<= 8;  n += c;
-  }
-  return n;
-}
-
-static int
-code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc)
-{
-  UChar *p = buf;
-
-  if ((code & 0xff00) != 0) *p++ = (UChar )(((code >>  8) & 0xff));
-  *p++ = (UChar )(code & 0xff);
-
-#if 0
-  if (mbc_enc_len(buf, p, enc) != (p - buf))
-    return REGERR_INVALID_CODE_POINT_VALUE;
-#endif
-  return (int )(p - buf);
-}
-
-static int
-apply_all_case_fold(OnigCaseFoldType flag,
-		    OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc)
-{
-  return onigenc_apply_all_case_fold_with_map(
-            numberof(CaseFoldMap), CaseFoldMap, 0,
-            flag, f, arg);
-}
-
-static OnigCodePoint
-get_lower_case(OnigCodePoint code)
-{
-  if (ONIGENC_IS_IN_RANGE(code, 0x8260, 0x8279)) {
-    /* Fullwidth Alphabet */
-    return (OnigCodePoint )(code + 0x0021);
-  }
-  else if (ONIGENC_IS_IN_RANGE(code, 0x839f, 0x83b6)) {
-    /* Greek */
-    return (OnigCodePoint )(code + 0x0020);
-  }
-  else if (ONIGENC_IS_IN_RANGE(code, 0x8440, 0x8460)) {
-    /* Cyrillic */
-    int d = (code >= 0x844f) ? 1 : 0;
-    return (OnigCodePoint )(code + (0x0030 + d));
-  }
-  return code;
-}
-
-static OnigCodePoint
-get_upper_case(OnigCodePoint code)
-{
-  if (ONIGENC_IS_IN_RANGE(code, 0x8281, 0x829a)) {
-    /* Fullwidth Alphabet */
-    return (OnigCodePoint )(code - 0x0021);
-  }
-  else if (ONIGENC_IS_IN_RANGE(code, 0x83bf, 0x83d6)) {
-    /* Greek */
-    return (OnigCodePoint )(code - 0x0020);
-  }
-  else if (ONIGENC_IS_IN_RANGE(code, 0x8470, 0x847e) ||
-	   ONIGENC_IS_IN_RANGE(code, 0x8480, 0x8491)) {
-    /* Cyrillic */
-    int d = (code >= 0x8480) ? 1 : 0;
-    return (OnigCodePoint )(code - (0x0030 - d));
-  }
-  return code;
-}
-
-static int
-get_case_fold_codes_by_str(OnigCaseFoldType flag,
-			   const OnigUChar* p, const OnigUChar* end,
-			   OnigCaseFoldCodeItem items[], OnigEncoding enc)
-{
-  int len;
-  OnigCodePoint code, code_lo, code_up;
-
-  code = mbc_to_code(p, end, enc);
-  if (ONIGENC_IS_ASCII_CODE(code))
-    return onigenc_ascii_get_case_fold_codes_by_str(flag, p, end, items, enc);
-
-  len = mbc_enc_len(p, end, enc);
-  code_lo = get_lower_case(code);
-  code_up = get_upper_case(code);
-
-  if (code != code_lo) {
-    items[0].byte_len = len;
-    items[0].code_len = 1;
-    items[0].code[0] = code_lo;
-    return 1;
-  }
-  else if (code != code_up) {
-    items[0].byte_len = len;
-    items[0].code_len = 1;
-    items[0].code[0] = code_up;
-    return 1;
-  }
-
-  return 0;
-}
-
-static int
-mbc_case_fold(OnigCaseFoldType flag,
-	      const UChar** pp, const UChar* end, UChar* lower,
-	      OnigEncoding enc)
-{
-  const UChar* p = *pp;
-
-  if (ONIGENC_IS_MBC_ASCII(p)) {
-    *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
-    (*pp)++;
-    return 1;
-  }
-  else {
-    OnigCodePoint code;
-    int len;
-
-    code = get_lower_case(mbc_to_code(p, end, enc));
-    len = code_to_mbc(code, lower, enc);
-    (*pp) += len;
-    return len; /* return byte length of converted char to lower */
-  }
-}
-
-#if 0
-static int
-is_mbc_ambiguous(OnigCaseFoldType flag,
-		 const UChar** pp, const UChar* end)
-{
-  return onigenc_mbn_is_mbc_ambiguous(enc, flag, pp, end);
-
-}
-#endif
-
-#if 0
-static int
-is_code_ctype(OnigCodePoint code, unsigned int ctype)
-{
-  if (code < 128)
-    return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
-  else {
-    if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
-      return (code_to_mbclen(code) > 1 ? TRUE : FALSE);
-    }
-  }
-
-  return FALSE;
-}
-#endif
-
-static UChar*
-left_adjust_char_head(const UChar* start, const UChar* s, const UChar* end, OnigEncoding enc)
-{
-  const UChar *p;
-  int len;
-
-  if (s <= start) return (UChar* )s;
-  p = s;
-
-  if (SJIS_ISMB_TRAIL(*p)) {
-    while (p > start) {
-      if (! SJIS_ISMB_FIRST(*--p)) {
-	p++;
-	break;
-      }
-    }
-  }
-  len = mbc_enc_len(p, end, enc);
-  if (p + len > s) return (UChar* )p;
-  p += len;
-  return (UChar* )(p + ((s - p) & ~1));
-}
-
-static int
-is_allowed_reverse_match(const UChar* s, const UChar* end, OnigEncoding enc ARG_UNUSED)
-{
-  const UChar c = *s;
-  return (SJIS_ISMB_TRAIL(c) ? FALSE : TRUE);
-}
-
-
-static const OnigCodePoint CR_Hiragana[] = {
-  1,
-  0x829f, 0x82f1
-}; /* CR_Hiragana */
-
-static const OnigCodePoint CR_Katakana[] = {
-  4,
-  0x00a6, 0x00af,
-  0x00b1, 0x00dd,
-  0x8340, 0x837e,
-  0x8380, 0x8396,
-}; /* CR_Katakana */
-
-#ifdef ENC_CP932
-static const OnigCodePoint CR_Han[] = {
-  6,
-  0x8157, 0x8157,
-  0x889f, 0x9872,	/* Kanji level 1 */
-  0x989f, 0x9ffc,	/* Kanji level 2 */
-  0xe040, 0xeaa4,	/* Kanji level 2 */
-  0xed40, 0xeeec,	/* NEC-selected IBM extended characters (without symbols) */
-  0xfa5c, 0xfc4b,	/* IBM extended characters (without symbols) */
-}; /* CR_Han */
-#else
-static const OnigCodePoint CR_Han[] = {
-  4,
-  0x8157, 0x8157,
-  0x889f, 0x9872,	/* Kanji level 1 */
-  0x989f, 0x9ffc,	/* Kanji level 2 */
-  0xe040, 0xeaa4,	/* Kanji level 2 */
-}; /* CR_Han */
-#endif
-
-static const OnigCodePoint CR_Latin[] = {
-  4,
-  0x0041, 0x005a,
-  0x0061, 0x007a,
-  0x8260, 0x8279,
-  0x8281, 0x829a,
-}; /* CR_Latin */
-
-static const OnigCodePoint CR_Greek[] = {
-  2,
-  0x839f, 0x83b6,
-  0x83bf, 0x83d6,
-}; /* CR_Greek */
-
-static const OnigCodePoint CR_Cyrillic[] = {
-  3,
-  0x8440, 0x8460,
-  0x8470, 0x847f,
-  0x8480, 0x8491,
-}; /* CR_Cyrillic */
-
-#include "enc/jis/props.h"
-
-static int
-property_name_to_ctype(OnigEncoding enc, const UChar* p, const UChar* end)
-{
-  const UChar *s = p, *e = end;
-  const struct enc_property *prop =
-    onig_jis_property((const char* )s, (unsigned int )(e - s));
-
-  if (!prop) {
-    return onigenc_minimum_property_name_to_ctype(enc, s, e);
-  }
-
-  return (int )prop->ctype;
-}
-
-static int
-is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc)
-{
-  if (ctype <= ONIGENC_MAX_STD_CTYPE) {
-    if (code < 128)
-      return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
-    else {
-      if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
-	return TRUE;
-      }
-    }
-  }
-  else {
-    ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
-    if (ctype >= (unsigned int )PropertyListNum)
-      return ONIGERR_TYPE_BUG;
-
-    return onig_is_in_code_range((UChar* )PropertyList[ctype], code);
-  }
-
-  return FALSE;
-}
-
-static int
-get_ctype_code_range(OnigCtype ctype, OnigCodePoint* sb_out,
-		     const OnigCodePoint* ranges[], OnigEncoding enc ARG_UNUSED)
-{
-  if (ctype <= ONIGENC_MAX_STD_CTYPE) {
-    return ONIG_NO_SUPPORT_CONFIG;
-  }
-  else {
-    *sb_out = 0x80;
-
-    ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
-    if (ctype >= (OnigCtype )PropertyListNum)
-      return ONIGERR_TYPE_BUG;
-
-    *ranges = PropertyList[ctype];
-    return 0;
-  }
-}
-
-#ifndef ENC_CP932
 OnigEncodingDefine(shift_jis, Shift_JIS) = {
   mbc_enc_len,
   "Shift_JIS",   /* name */
@@ -581,4 +65,3 @@ OnigEncodingDefine(shift_jis, Shift_JIS) = {
  */
 ENC_REPLICATE("MacJapanese", "Shift_JIS")
 ENC_ALIAS("MacJapan", "MacJapanese")
-#endif
diff --git a/enc/windows_31j.c b/enc/windows_31j.c
index 174f8983c4..e3a468f414 100644
--- a/enc/windows_31j.c
+++ b/enc/windows_31j.c
@@ -1,5 +1,5 @@
 /**********************************************************************
-  cp932.c -  Onigmo (Oniguruma-mod) (regular expression library)
+  windows_31j.c -  Onigmo (Oniguruma-mod) (regular expression library)
 **********************************************************************/
 /*-
  * Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
@@ -29,7 +29,7 @@
  */
 
 #define ENC_CP932
-#include "shift_jis.c"
+#include "shift_jis.h"
 
 OnigEncodingDefine(windows_31j, Windows_31J) = {
   mbc_enc_len,