Remove useless constant MBFL_ENCTYPE_MBCS

This flag indicated that an encoding was 'multi-byte'; it can use a variable
number of bytes to encode each character. As it turns out, we don't actually
need to check this flag anywhere, so it's better to remove it.

Author: alexdowad

ext/mbstring/libmbfl/filters/mbfilter_big5.c

@@ -59,7 +59,7 @@ const mbfl_encoding mbfl_encoding_big5 = {
 	"BIG5",
 	mbfl_encoding_big5_aliases,
 	mblen_table_big5,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_big5_wchar,
 	&vtbl_wchar_big5
 };
@@ -70,7 +70,7 @@ const mbfl_encoding mbfl_encoding_cp950 = {
 	"BIG5",
 	NULL,
 	mblen_table_big5,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_cp950_wchar,
 	&vtbl_wchar_cp950
 };

ext/mbstring/libmbfl/filters/mbfilter_cp5022x.c

@@ -58,7 +58,7 @@ const mbfl_encoding mbfl_encoding_cp50220 = {
 	"ISO-2022-JP",
 	cp50220_aliases,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_cp50220_wchar,
 	&vtbl_wchar_cp50220
 };
@@ -69,7 +69,7 @@ const mbfl_encoding mbfl_encoding_cp50221 = {
 	"ISO-2022-JP",
 	NULL,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_cp50221_wchar,
 	&vtbl_wchar_cp50221
 };
@@ -80,7 +80,7 @@ const mbfl_encoding mbfl_encoding_cp50222 = {
 	"ISO-2022-JP",
 	NULL,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_cp50222_wchar,
 	&vtbl_wchar_cp50222
 };

ext/mbstring/libmbfl/filters/mbfilter_cp51932.c

@@ -63,7 +63,7 @@ const mbfl_encoding mbfl_encoding_cp51932 = {
 	"CP51932",
 	mbfl_encoding_cp51932_aliases,
 	mblen_table_eucjp,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_cp51932_wchar,
 	&vtbl_wchar_cp51932
 };

ext/mbstring/libmbfl/filters/mbfilter_cp932.c

@@ -62,7 +62,7 @@ const mbfl_encoding mbfl_encoding_cp932 = {
 	"Shift_JIS",
 	mbfl_encoding_cp932_aliases,
 	mblen_table_sjis,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_cp932_wchar,
 	&vtbl_wchar_cp932
 };

ext/mbstring/libmbfl/filters/mbfilter_cp936.c

@@ -59,7 +59,7 @@ const mbfl_encoding mbfl_encoding_cp936 = {
 	"CP936",
 	mbfl_encoding_cp936_aliases,
 	mblen_table_cp936,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_cp936_wchar,
 	&vtbl_wchar_cp936
 };

ext/mbstring/libmbfl/filters/mbfilter_euc_cn.c

@@ -59,7 +59,7 @@ const mbfl_encoding mbfl_encoding_euc_cn = {
 	"CN-GB",
 	mbfl_encoding_euc_cn_aliases,
 	mblen_table_euccn,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_euccn_wchar,
 	&vtbl_wchar_euccn
 };

ext/mbstring/libmbfl/filters/mbfilter_euc_jp.c

@@ -62,7 +62,7 @@ const mbfl_encoding mbfl_encoding_euc_jp = {
 	"EUC-JP",
 	mbfl_encoding_euc_jp_aliases,
 	mblen_table_eucjp,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_eucjp_wchar,
 	&vtbl_wchar_eucjp
 };

ext/mbstring/libmbfl/filters/mbfilter_euc_jp_2004.c

@@ -41,7 +41,7 @@ const mbfl_encoding mbfl_encoding_eucjp2004 = {
 	"EUC-JP",
 	mbfl_encoding_eucjp2004_aliases,
 	mblen_table_eucjp,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_eucjp2004_wchar,
 	&vtbl_wchar_eucjp2004
 };

ext/mbstring/libmbfl/filters/mbfilter_euc_jp_win.c

@@ -61,7 +61,7 @@ const mbfl_encoding mbfl_encoding_eucjp_win = {
 	"EUC-JP",
 	mbfl_encoding_eucjp_win_aliases,
 	mblen_table_eucjp,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_eucjpwin_wchar,
 	&vtbl_wchar_eucjpwin
 };

ext/mbstring/libmbfl/filters/mbfilter_euc_kr.c

@@ -58,7 +58,7 @@ const mbfl_encoding mbfl_encoding_euc_kr = {
 	"EUC-KR",
 	mbfl_encoding_euc_kr_aliases,
 	mblen_table_euckr,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_euckr_wchar,
 	&vtbl_wchar_euckr
 };

ext/mbstring/libmbfl/filters/mbfilter_euc_tw.c

@@ -60,7 +60,7 @@ const mbfl_encoding mbfl_encoding_euc_tw = {
 	"EUC-TW",
 	mbfl_encoding_euc_tw_aliases,
 	mblen_table_euctw,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_euctw_wchar,
 	&vtbl_wchar_euctw
 };

ext/mbstring/libmbfl/filters/mbfilter_gb18030.c

@@ -41,7 +41,7 @@ const mbfl_encoding mbfl_encoding_gb18030 = {
 	"GB18030",
 	mbfl_encoding_gb18030_aliases,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_gb18030_wchar,
 	&vtbl_wchar_gb18030
 };

ext/mbstring/libmbfl/filters/mbfilter_hz.c

@@ -38,7 +38,7 @@ const mbfl_encoding mbfl_encoding_hz = {
 	"HZ-GB-2312",
 	NULL,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_hz_wchar,
 	&vtbl_wchar_hz
 };

ext/mbstring/libmbfl/filters/mbfilter_iso2022_jp_ms.c

@@ -42,7 +42,7 @@ const mbfl_encoding mbfl_encoding_2022jpms = {
 	"ISO-2022-JP",
 	mbfl_encoding_2022jpms_aliases,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_2022jpms_wchar,
 	&vtbl_wchar_2022jpms
 };

ext/mbstring/libmbfl/filters/mbfilter_iso2022_kr.c

@@ -37,7 +37,7 @@ const mbfl_encoding mbfl_encoding_2022kr = {
 	"ISO-2022-KR",
 	NULL,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_2022kr_wchar,
 	&vtbl_wchar_2022kr
 };

ext/mbstring/libmbfl/filters/mbfilter_iso2022jp_2004.c

@@ -41,7 +41,7 @@ const mbfl_encoding mbfl_encoding_2022jp_2004 = {
 	"ISO-2022-JP-2004",
 	NULL,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_2022jp_2004_wchar,
 	&vtbl_wchar_2022jp_2004
 };

ext/mbstring/libmbfl/filters/mbfilter_iso2022jp_mobile.c

@@ -45,7 +45,7 @@ const mbfl_encoding mbfl_encoding_2022jp_kddi = {
 	"ISO-2022-JP",
 	mbfl_encoding_2022jp_kddi_aliases,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_2022jp_kddi_wchar,
 	&vtbl_wchar_2022jp_kddi
 };

ext/mbstring/libmbfl/filters/mbfilter_jis.c

@@ -41,7 +41,7 @@ const mbfl_encoding mbfl_encoding_jis = {
 	"ISO-2022-JP",
 	NULL,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_jis_wchar,
 	&vtbl_wchar_jis
 };
@@ -52,7 +52,7 @@ const mbfl_encoding mbfl_encoding_2022jp = {
 	"ISO-2022-JP",
 	NULL,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_2022jp_wchar,
 	&vtbl_wchar_2022jp
 };

ext/mbstring/libmbfl/filters/mbfilter_sjis.c

@@ -65,7 +65,7 @@ const mbfl_encoding mbfl_encoding_sjis = {
 	"Shift_JIS",
 	mbfl_encoding_sjis_aliases,
 	mblen_table_sjis,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_sjis_wchar,
 	&vtbl_wchar_sjis
 };

ext/mbstring/libmbfl/filters/mbfilter_sjis_2004.c

@@ -46,7 +46,7 @@ const mbfl_encoding mbfl_encoding_sjis2004 = {
 	"Shift_JIS",
 	mbfl_encoding_sjis2004_aliases,
 	mblen_table_sjis,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_sjis2004_wchar,
 	&vtbl_wchar_sjis2004
 };

ext/mbstring/libmbfl/filters/mbfilter_sjis_mac.c

@@ -48,7 +48,7 @@ const mbfl_encoding mbfl_encoding_sjis_mac = {
 	"Shift_JIS",
 	mbfl_encoding_sjis_mac_aliases,
 	mblen_table_sjis,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_sjis_mac_wchar,
 	&vtbl_wchar_sjis_mac
 };

ext/mbstring/libmbfl/filters/mbfilter_sjis_mobile.c

@@ -50,7 +50,7 @@ const mbfl_encoding mbfl_encoding_sjis_docomo = {
 	"Shift_JIS",
 	mbfl_encoding_sjis_docomo_aliases,
  	mblen_table_sjis,
- 	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_sjis_docomo_wchar,
 	&vtbl_wchar_sjis_docomo
 };
@@ -61,7 +61,7 @@ const mbfl_encoding mbfl_encoding_sjis_kddi = {
 	"Shift_JIS",
 	mbfl_encoding_sjis_kddi_aliases,
  	mblen_table_sjis,
- 	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_sjis_kddi_wchar,
 	&vtbl_wchar_sjis_kddi
 };
@@ -72,7 +72,7 @@ const mbfl_encoding mbfl_encoding_sjis_sb = {
 	"Shift_JIS",
 	mbfl_encoding_sjis_sb_aliases,
  	mblen_table_sjis,
- 	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_sjis_sb_wchar,
 	&vtbl_wchar_sjis_sb
 };

ext/mbstring/libmbfl/filters/mbfilter_sjis_open.c

@@ -60,7 +60,7 @@ const mbfl_encoding mbfl_encoding_sjis_open = {
 	"Shift_JIS",
 	mbfl_encoding_sjis_open_aliases,
 	mblen_table_sjis,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_sjis_open_wchar,
 	&vtbl_wchar_sjis_open
 };

ext/mbstring/libmbfl/filters/mbfilter_uhc.c

@@ -59,7 +59,7 @@ const mbfl_encoding mbfl_encoding_uhc = {
 	"UHC",
 	mbfl_encoding_uhc_aliases,
 	mblen_table_uhc,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_uhc_wchar,
 	&vtbl_wchar_uhc
 };

ext/mbstring/libmbfl/filters/mbfilter_utf7.c

@@ -51,7 +51,7 @@ const mbfl_encoding mbfl_encoding_utf7 = {
 	"UTF-7",
 	mbfl_encoding_utf7_aliases,
 	NULL,
-	MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE,
+	MBFL_ENCTYPE_GL_UNSAFE,
 	&vtbl_utf7_wchar,
 	&vtbl_wchar_utf7
 };

ext/mbstring/libmbfl/filters/mbfilter_utf7imap.c

@@ -86,7 +86,7 @@ const mbfl_encoding mbfl_encoding_utf7imap = {
 	NULL,
 	mbfl_encoding_utf7imap_aliases,
 	NULL,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_utf7imap_wchar,
 	&vtbl_wchar_utf7imap
 };

ext/mbstring/libmbfl/filters/mbfilter_utf8.c

@@ -57,7 +57,7 @@ const mbfl_encoding mbfl_encoding_utf8 = {
 	"UTF-8",
 	mbfl_encoding_utf8_aliases,
 	mblen_table_utf8,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_utf8_wchar,
 	&vtbl_wchar_utf8
 };

ext/mbstring/libmbfl/filters/mbfilter_utf8_mobile.c

@@ -47,7 +47,7 @@ const mbfl_encoding mbfl_encoding_utf8_docomo = {
 	"UTF-8",
 	mbfl_encoding_utf8_docomo_aliases,
 	mblen_table_utf8,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_utf8_docomo_wchar,
 	&vtbl_wchar_utf8_docomo
 };
@@ -58,7 +58,7 @@ const mbfl_encoding mbfl_encoding_utf8_kddi_a = {
 	"UTF-8",
 	mbfl_encoding_utf8_kddi_a_aliases,
 	mblen_table_utf8,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_utf8_kddi_a_wchar,
 	&vtbl_wchar_utf8_kddi_a
 };
@@ -69,7 +69,7 @@ const mbfl_encoding mbfl_encoding_utf8_kddi_b = {
 	"UTF-8",
 	mbfl_encoding_utf8_kddi_b_aliases,
 	mblen_table_utf8,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_utf8_kddi_b_wchar,
 	&vtbl_wchar_utf8_kddi_b
 };
@@ -80,7 +80,7 @@ const mbfl_encoding mbfl_encoding_utf8_sb = {
 	"UTF-8",
 	mbfl_encoding_utf8_sb_aliases,
 	mblen_table_utf8,
-	MBFL_ENCTYPE_MBCS,
+	0,
 	&vtbl_utf8_sb_wchar,
 	&vtbl_wchar_utf8_sb
 };

ext/mbstring/libmbfl/mbfl/mbfl_consts.h

@@ -32,7 +32,6 @@
 #define MBFL_CONSTS_H
 
 #define MBFL_ENCTYPE_SBCS		0x00000001 /* single-byte encoding */
-#define MBFL_ENCTYPE_MBCS		0x00000002 /* multi-byte encoding */
 #define MBFL_ENCTYPE_WCS2		0x00000010 /* 2 bytes/char */
 #define MBFL_ENCTYPE_MWC2		0x00000040 /* 2+ bytes/char */
 #define MBFL_ENCTYPE_WCS4		0x00000100 /* 4 bytes/char */

ext/mbstring/mbstring.c

@@ -403,13 +403,7 @@ static const char *php_mb_zend_encoding_name_getter(const zend_encoding *encodin
 static bool php_mb_zend_encoding_lexer_compatibility_checker(const zend_encoding *_encoding)
 {
 	const mbfl_encoding *encoding = (const mbfl_encoding*)_encoding;
-	if (encoding->flag & MBFL_ENCTYPE_SBCS) {
-		return 1;
-	}
-	if ((encoding->flag & (MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE)) == MBFL_ENCTYPE_MBCS) {
-		return 1;
-	}
-	return 0;
+	return !(encoding->flag & MBFL_ENCTYPE_GL_UNSAFE);
 }
 
 static const zend_encoding *php_mb_zend_encoding_detector(const unsigned char *arg_string, size_t arg_length, const zend_encoding **list, size_t list_size)
@@ -4210,10 +4204,10 @@ static int php_mb_encoding_translation(void)
 /* {{{ MBSTRING_API size_t php_mb_mbchar_bytes_ex() */
 MBSTRING_API size_t php_mb_mbchar_bytes_ex(const char *s, const mbfl_encoding *enc)
 {
-	if (enc != NULL) {
-		if (enc->flag & MBFL_ENCTYPE_MBCS) {
-			if (enc->mblen_table != NULL) {
-				if (s != NULL) return enc->mblen_table[*(unsigned char *)s];
+	if (enc) {
+		if (enc->mblen_table) {
+			if (s) {
+				return enc->mblen_table[*(unsigned char *)s];
 			}
 		} else if (enc->flag & MBFL_ENCTYPE_WCS2) {
 			return 2;