1 files changed, 124 insertions, 0 deletions
diff --git a/src/interfaces/odbc/multibyte.c b/src/interfaces/odbc/multibyte.c
new file mode 100644
index 00000000000..d365618fc78
--- /dev/null
+++ b/src/interfaces/odbc/multibyte.c
@@ -0,0 +1,124 @@
+/*
+ * Module :			multibyte.c
+ *
+ * Description:		Mlutibyte related additional function.
+ *
+ *					Create 2001-03-03 Eiji Tokuya
+ *
+ */		
+#include <string.h>
+#include "multibyte.h"
+
+int multibyte_client_encoding ;	/* Multibyte Client Encoding. */
+int multibyte_status ;		/* Multibyte Odds and ends character. */
+
+unsigned char *multibyte_strchr(unsigned char *s,unsigned char c)
+{
+	int mb_st = 0 ,i = 0;
+	while (!(mb_st == 0 && s[i] == c || s[i] == 0))
+	{
+		if (s[i] == 0)
+			return (0);
+		switch ( multibyte_client_encoding )
+		{
+			case SJIS:
+			{
+				if (mb_st < 2 && s[i] > 0x80 && !(s[i] > 0x9f && s[i] < 0xe0))
+					mb_st = 2;
+				else if (mb_st == 2)
+						mb_st = 1;
+					else
+						mb_st = 0;
+			}
+			break;
+
+
+/* Chinese Big5 Support. */
+		case BIG5:
+			{
+				if ( mb_st < 2 && s[i] > 0xA0 )
+						mb_st = 2;
+				else if ( mb_st == 2 )
+						mb_st = 1;
+					else
+						mb_st = 0;
+			}
+			break;
+		default:
+			{
+				mb_st = 0;
+			}
+		}
+		i++;
+	}
+#ifdef _DEBUG
+	qlog("i = %d\n",i);
+#endif
+	return (s + i);
+}
+
+void multibyte_init(void)
+{
+	multibyte_status = 0;
+}
+
+unsigned char *check_client_encoding(unsigned char *str)
+{
+	if(strstr(str,"%27SJIS%27")||strstr(str,"'SJIS'")||strstr(str,"'sjis'"))
+	{
+		multibyte_client_encoding = SJIS;
+		return ("SJIS");
+	}
+	if(strstr(str,"%27BIG5%27")||strstr(str,"'BIG5'")||strstr(str,"'big5'"))
+	{
+		multibyte_client_encoding = BIG5;
+		return ("BIG5");
+	}
+	return ("OHTER");
+}
+
+/* 
+ * Multibyte Status Function.
+ *	Input	char
+ *	Output	0	: 1 Byte Character.
+ *			1	: MultibyteCharacter Last Byte.
+ *			N	: MultibyteCharacter Fast or Middle Byte.
+ */
+int multibyte_char_check(unsigned char s)
+{
+	switch ( multibyte_client_encoding )
+	{
+/* Japanese Shift-JIS(CP932) Support. */
+		case SJIS:
+		{
+			if ( multibyte_status < 2 && s > 0x80 && !(s > 0x9f && s < 0xE0))
+				multibyte_status = 2;
+			else if (multibyte_status == 2)
+				multibyte_status = 1;
+			else
+				multibyte_status = 0;
+		}
+		break;
+
+		
+/* Chinese Big5(CP950) Support. */
+	case BIG5:
+		{
+			if ( multibyte_status < 2 && s > 0xA0)
+				multibyte_status = 2;
+			else if (multibyte_status == 2)
+				multibyte_status = 1;
+			else
+				multibyte_status = 0;
+		}
+		break;
+	default:
+		{
+			multibyte_status = 0;
+		}
+	}
+#ifdef _DEBUG
+	qlog("multibyte_client_encoding = %d   s = 0x%02X   multibyte_stat = %d\n", multibyte_client_encoding, s, multibyte_status );
+#endif
+	return( multibyte_status );
+}