Use putenv+unsetenv instead of modifying environ directly.

[bpt/emacs.git] / src / lisp.h

diff --git a/src/lisp.h b/src/lisp.h
index ce805e9..91fc3df 100644 (file)
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -454,9 +454,6 @@ enum More_Lisp_Bits
  For example, if tem is a Lisp_Object whose type is Lisp_Cons,
  XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons.  */
 
-/* Return a perfect hash of the Lisp_Object representation.  */
-#define XHASH(a) XLI (a)
-
 #if USE_LSB_TAG
 
 enum lsb_bits
@@ -509,6 +506,11 @@ static EMACS_INT const VALMASK
 
 #endif /* not USE_LSB_TAG */
 
+/* Return a (Lisp-integer sized) hash of the Lisp_Object value.  Happens to be
+   like XUINT right now, but XUINT should only be applied to objects we know
+   are integers.  */
+#define XHASH(a) XUINT (a)
+
 /* For integers known to be positive, XFASTINT sometimes provides
    faster retrieval and XSETFASTINT provides faster storage.
    If not, fallback on the non-accelerated path.  */
@@ -524,7 +526,7 @@ static EMACS_INT const VALMASK
 # define XUNTAG(a, type) XPNTR (a)
 #endif
 
-#define EQ(x, y) (XHASH (x) == XHASH (y))
+#define EQ(x, y) (XLI (x) == XLI (y))
 
 /* Largest and smallest representable fixnum values.  These are the C
    values.  They are macros for use in static initializers.  */
@@ -1102,7 +1104,7 @@ struct Lisp_Symbol
     union Lisp_Fwd *fwd;
   } val;
 
-  /* Function value of the symbol or Qunbound if not fboundp.  */
+  /* Function value of the symbol or Qnil if not fboundp.  */
   Lisp_Object function;
 
   /* The symbol's property list.  */
@@ -1642,27 +1644,24 @@ typedef struct {
   int mouse_face_beg_x, mouse_face_beg_y;
   int mouse_face_end_row, mouse_face_end_col;
   int mouse_face_end_x, mouse_face_end_y;
-  int mouse_face_past_end;
   Lisp_Object mouse_face_window;
   int mouse_face_face_id;
   Lisp_Object mouse_face_overlay;
 
-  /* 1 if a mouse motion event came and we didn't handle it right away because
-     gc was in progress.  */
-  int mouse_face_deferred_gc;
-
   /* FRAME and X, Y position of mouse when last checked for
      highlighting.  X and Y can be negative or out of range for the frame.  */
   struct frame *mouse_face_mouse_frame;
   int mouse_face_mouse_x, mouse_face_mouse_y;
 
+  /* Nonzero if part of the text currently shown in
+     its mouse-face is beyond the window end.  */
+  unsigned mouse_face_past_end : 1;
+
   /* Nonzero means defer mouse-motion highlighting.  */
-  int mouse_face_defer;
+  unsigned mouse_face_defer : 1;
 
   /* Nonzero means that the mouse highlight should not be shown.  */
-  int mouse_face_hidden;
-
-  int mouse_face_image_state;
+  unsigned mouse_face_hidden : 1;
 } Mouse_HLInfo;
 \f
 /* Data type checking.  */
@@ -1692,6 +1691,8 @@ typedef struct {
 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
 #define SAVE_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Save_Value)
 
+#define AUTOLOADP(x) (CONSP (x) && EQ (Qautoload, XCAR (x)))
+
 #define INTFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Int)
 #define BOOLFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Bool)
 #define OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Obj)
@@ -2717,7 +2718,7 @@ extern Lisp_Object larger_vector (Lisp_Object, ptrdiff_t, ptrdiff_t);
 extern void sweep_weak_hash_tables (void);
 extern Lisp_Object Qcursor_in_echo_area;
 extern Lisp_Object Qstring_lessp;
-extern Lisp_Object QCsize, QCtest, QCweakness, Qequal, Qeq, Qeql;
+extern Lisp_Object QCsize, QCtest, QCweakness, Qequal, Qeq;
 EMACS_UINT hash_string (char const *, ptrdiff_t);
 EMACS_UINT sxhash (Lisp_Object, int);
 Lisp_Object make_hash_table (struct hash_table_test, Lisp_Object, Lisp_Object,
@@ -2725,7 +2726,7 @@ Lisp_Object make_hash_table (struct hash_table_test, Lisp_Object, Lisp_Object,
 ptrdiff_t hash_lookup (struct Lisp_Hash_Table *, Lisp_Object, EMACS_UINT *);
 ptrdiff_t hash_put (struct Lisp_Hash_Table *, Lisp_Object, Lisp_Object,
                    EMACS_UINT);
-extern struct hash_table_test hashtest_eq, hashtest_eql, hashtest_equal;
+extern struct hash_table_test hashtest_eql, hashtest_equal;
 
 extern Lisp_Object substring_both (Lisp_Object, ptrdiff_t, ptrdiff_t,
                                   ptrdiff_t, ptrdiff_t);
@@ -2796,7 +2797,7 @@ extern void del_range_byte (ptrdiff_t, ptrdiff_t, bool);
 extern void del_range_both (ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t, bool);
 extern Lisp_Object del_range_2 (ptrdiff_t, ptrdiff_t,
                                ptrdiff_t, ptrdiff_t, bool);
-extern void modify_region (struct buffer *, ptrdiff_t, ptrdiff_t, bool);
+extern void modify_region_1 (ptrdiff_t, ptrdiff_t, bool);
 extern void prepare_to_modify_buffer (ptrdiff_t, ptrdiff_t, ptrdiff_t *);
 extern void signal_after_change (ptrdiff_t, ptrdiff_t, ptrdiff_t);
 extern void adjust_after_insert (ptrdiff_t, ptrdiff_t, ptrdiff_t,
@@ -2963,6 +2964,7 @@ extern Lisp_Object make_float (double);
 extern void display_malloc_warning (void);
 extern ptrdiff_t inhibit_garbage_collection (void);
 extern Lisp_Object make_save_value (void *, ptrdiff_t);
+extern void free_save_value (Lisp_Object);
 extern Lisp_Object build_overlay (Lisp_Object, Lisp_Object, Lisp_Object);
 extern void free_marker (Lisp_Object);
 extern void free_cons (struct Lisp_Cons *);
@@ -3198,6 +3200,8 @@ extern Lisp_Object close_file_unwind (Lisp_Object);
 extern Lisp_Object restore_point_unwind (Lisp_Object);
 extern _Noreturn void report_file_error (const char *, Lisp_Object);
 extern void internal_delete_file (Lisp_Object);
+extern bool file_directory_p (const char *);
+extern bool file_accessible_directory_p (const char *);
 extern void syms_of_fileio (void);
 extern Lisp_Object make_temp_name (Lisp_Object, bool);
 extern Lisp_Object Qdelete_file;
@@ -3391,7 +3395,6 @@ extern void syms_of_doc (void);
 extern int read_bytecode_char (bool);
 
 /* Defined in bytecode.c.  */
-extern Lisp_Object Qbytecode;
 extern void syms_of_bytecode (void);
 extern struct byte_stack *byte_stack_list;
 #if BYTE_MARK_STACK
@@ -3591,6 +3594,7 @@ extern void *xnrealloc (void *, ptrdiff_t, ptrdiff_t);
 extern void *xpalloc (void *, ptrdiff_t *, ptrdiff_t, ptrdiff_t, ptrdiff_t);
 
 extern char *xstrdup (const char *);
+extern void xputenv (const char *);
 
 extern char *egetenv (const char *);