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--- joliet.c.orig Fri Mar 3 15:33:48 2000
+++ joliet.c Fri Mar 3 15:54:48 2000
@@ -78,6 +78,9 @@
#include <stdlib.h>
#include <time.h>
+/* Big5 to Unicode mapping table */
+#include "big52uni.h"
+
static int jpath_table_index;
static struct directory ** jpathlist;
static int next_jpath_index = 1;
@@ -88,6 +91,9 @@
static void DECL(assign_joliet_directory_addresses, (struct directory * node));
static int jroot_gen __PR((void));
+static u_int16_t unicode_table[] = CHINESE_UNICODE;
+static u_int16_t big5_table[] = CHINESE_BIG5;
+
/*
* Function: convert_to_unicode
*
@@ -101,6 +107,8 @@
unsigned char * tmpbuf;
int i;
int j;
+ int p;
+ u_int16_t code, unicode;
/*
* If we get a NULL pointer for the source, it means we have an inplace
@@ -156,6 +164,31 @@
break;
}
}
+ /******//* big5 to unicode patch*/
+
+ if( tmpbuf[j] >= 0xA1 ){
+
+ /* **** 00 A4 00 A4 00 A4 00 E5 **** */
+ /* **** �� �� **** */
+ /* ***j=A4 A4 A4 E5 --> code=0xa4a4 ->find unicode **** */
+ /* **** 4E 2D 65 87 <--- result **** */
+
+ code = tmpbuf[j];
+ code = code << 8;
+ code += tmpbuf[j+1];
+ for (p=0;p<BIG5_TABLE_SIZE;p++) {
+ if (big5_table[p] == code){
+ unicode = unicode_table[p];
+ buffer[i] = unicode >> 8;
+ buffer[i+1] = unicode ;
+ j++;
+ break;
+ }
+ /*else {
+ return (u_int16_t)'?';
+ }*/
+ }
+ }
}
if( source == NULL )
@@ -176,8 +209,48 @@
static int FDECL1(joliet_strlen, const char *, string)
{
int rtn;
+ unsigned char * tmpbuf;
+ int i;
+ int j;
+
+ int p;
+ u_int16_t code, unicode;
+ int tmpsize ;
rtn = strlen(string) << 1;
+ tmpsize = rtn;
+
+ tmpbuf = (u_char *)string;
+ tmpsize = rtn;
+ j=0;
+ for(i=0; i < tmpsize ; i += 2, j++)
+ {
+ /******//* big5 to unicode patch*/
+
+ if( tmpbuf[j] >= 0xA1 ){
+
+ /* **** 00 A4 00 A4 00 A4 00 E5 **** */
+ /* **** �� �� **** */
+ /* ***j=A4 A4 A4 E5 --> code=0xa4a4 ->find unicode **** */
+ /* **** 4E 2D 65 87 <--- result **** */
+
+ code = tmpbuf[j];
+ code = code << 8;
+ code += tmpbuf[j+1];
+ for (p=0;p<BIG5_TABLE_SIZE;p++) {
+ if (big5_table[p] == code){
+ tmpsize -= 2;
+ unicode = unicode_table[p];
+ j++;
+ break;
+ }
+ /*else {
+ return (u_int16_t)'?';
+ }
+ */
+ }
+ }
+ }
/*
* We do clamp the maximum length of a Joliet string to be the
@@ -185,11 +258,11 @@
* bolix things up with very long paths. The Joliet specs say
* that the maximum length is 128 bytes, or 64 unicode characters.
*/
- if( rtn > 0x80)
+ if( tmpsize > 0x80)
{
- rtn = 0x80;
+ tmpsize = 0x80;
}
- return rtn;
+ return tmpsize;
}
/*
|
