Sync up with XEmacs 21.4.17.

[chise/xemacs-chise.git.1] / src / mule-charset.c

diff --git a/src/mule-charset.c b/src/mule-charset.c
index 30b720a..e32fcf2 100644 (file)
--- a/src/mule-charset.c
+++ b/src/mule-charset.c
@@ -908,15 +908,22 @@ get_unallocated_leading_byte (int dimension)
 #else
   if (dimension == 1)
     {
-      if (chlook->next_allocated_1_byte_leading_byte > MAX_LEADING_BYTE_PRIVATE_1)
+      if (chlook->next_allocated_1_byte_leading_byte >
+         MAX_LEADING_BYTE_PRIVATE_1)
        lb = 0;
       else
        lb = chlook->next_allocated_1_byte_leading_byte++;
     }
   else
     {
-      if (chlook->next_allocated_2_byte_leading_byte > MAX_LEADING_BYTE_PRIVATE_2)
-       lb = 0;
+      /* awfully fragile, but correct */
+#if MAX_LEADING_BYTE_PRIVATE_2 == 255
+      if (chlook->next_allocated_2_byte_leading_byte == 0)
+#else
+      if (chlook->next_allocated_2_byte_leading_byte >
+         MAX_LEADING_BYTE_PRIVATE_2)
+#endif
+        lb = 0;
       else
        lb = chlook->next_allocated_2_byte_leading_byte++;
     }