coding.h (define_coding_undecided_arg_index): New enum.

(coding_attr_index): New members
coding_attr_undecided_inhibit_null_byte_detection,
coding_attr_undecided_inhibit_iso_escape_detection,
coding_attr_undecided_prefer_utf_8.
(undecided_spec): New struct.
(struct coding_system): New member `undecied' of the member
`spec'.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/coding.h b/src/coding.h
index d13fd42fe4f..453805e233a 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -76,6 +76,14 @@ enum define_coding_ccl_arg_index
     coding_arg_ccl_max
   };
 
+enum define_coding_undecided_arg_index
+  {
+    coding_arg_undecided_inhibit_null_byte_detection = coding_arg_max,
+    coding_arg_undecided_inhibit_iso_escape_detection,
+    coding_arg_undecided_prefer_utf_8,
+    coding_arg_undecided_max
+  };
+
 /* Hash table for all coding systems.  Keys are coding system symbols
    and values are spec vectors of the corresponding coding system.  A
    spec vector has the form [ ATTRS ALIASES EOL-TYPE ].  ATTRS is a
@@ -158,6 +166,10 @@ enum coding_attr_index
 
     coding_attr_emacs_mule_full,
 
+    coding_attr_undecided_inhibit_null_byte_detection,
+    coding_attr_undecided_inhibit_iso_escape_detection,
+    coding_attr_undecided_prefer_utf_8,
+
     coding_attr_last_index
   };
 
@@ -368,6 +380,13 @@ struct emacs_mule_spec
 
 struct ccl_spec;
 
+struct undecided_spec
+{
+  int inhibit_nbd;              /* nbd: null byte detection */
+  int inhibit_ied;              /* ied: iso escape detection */
+  int prefer_utf_8;
+};
+
 enum utf_bom_type
   {
     utf_detect_bom,
@@ -425,6 +444,7 @@ struct coding_system
       struct utf_16_spec utf_16;
       enum utf_bom_type utf_8_bom;
       struct emacs_mule_spec emacs_mule;
+      struct undecided_spec undecided;
     } spec;
 
   int max_charset_id;