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--- ttmkfdir-3.0.9.orig/encoding.l	2003-01-08 14:25:25.000000000 +0900
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+++ ttmkfdir-3.0.9/encoding.l	2005-08-03 19:24:22.000000000 +0900
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@@ -21,6 +21,19 @@
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 static Encoding       *cur_enc; 
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 static NumericMapping *cur_map;
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+static int is_created_map = 0;
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+
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+static void
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+create_mapping(void)
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+{
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+    cur_map = new NumericMapping (cur_enc->size,
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+				  TT_PLATFORM_MICROSOFT,
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+				  TT_MS_ID_UNICODE_CS);
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+    
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+    cur_enc->enc_size = 0;
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+    cur_enc->start_code = 0xffff;
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+    is_created_map = 1;
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+}
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 %}
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@@ -67,12 +80,6 @@
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 }
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 <INSIDE_ENC_BLOCK>STARTMAPPING{WHITESPACES}unicode {
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-    cur_map = new NumericMapping (cur_enc->size,
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-				  TT_PLATFORM_MICROSOFT,
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-				  TT_MS_ID_UNICODE_CS);
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-    
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-    cur_enc->enc_size = 0;
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-    cur_enc->start_code = 0xffff;
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     BEGIN(INSIDE_MAP_BLOCK);
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 }
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@@ -107,6 +114,12 @@
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 	i2 = i1;
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     }
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+    /* avoid a crash issue */
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+    if (cur_enc->size < i2)
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+	cur_enc->size = i2;
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+    if (!is_created_map)
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+	create_mapping();
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+
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     /* now mark all the unassigned codes */
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     for (long i = i1; i <= i2; i++) {
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 	(*cur_map)[i] = -1;
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@@ -114,10 +127,14 @@
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 }
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 <INSIDE_MAP_BLOCK>{NUMBER}({WHITESPACES}{NUMBER}){0,2} {
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-    int numbers[3], i = 0, start_range, end_range, target, res;
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+    unsigned int start_range;
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+    int numbers[3], i = 0, end_range, target, res;
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     char *startptr;
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     char *endptr = yytext;
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+    if (!is_created_map)
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+	create_mapping();
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+
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     for (i = 0;;i++) {
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 	startptr = endptr;
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 	res = std::strtol (startptr, &endptr, 0);
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@@ -150,9 +167,14 @@
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 <INSIDE_MAP_BLOCK>ENDMAPPING {
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+    /* it may not happens but to be safe */
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+    if (!is_created_map)
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+	create_mapping();
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+
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     cur_enc->AddMapping (cur_map);
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     dest.insert (std::make_pair(cur_map->cmapkey(), cur_enc));;
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     BEGIN(INSIDE_ENC_BLOCK);
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+    is_created_map = 0;
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 }
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 <INSIDE_UNKNOWN_MAP>ENDMAPPING {