Documented Eshell's insert output-redirection operator

[gnu-emacs] / src / font.c

diff --git a/src/font.c b/src/font.c
index 18caf751643fb3c55a26cfb50e6c3dced5a67a89..e2ea726239741b1b490e98460a4b8165f27a0217 100644 (file)
--- a/src/font.c
+++ b/src/font.c
@@ -717,7 +717,7 @@ font_put_extra (Lisp_Object font, Lisp_Object prop, Lisp_Object val)
 }
 
 \f
-/* Font name parser and unparser */
+/* Font name parser and unparser.  */
 
 static int parse_matrix (const char *);
 static int font_expand_wildcards (Lisp_Object *, int);
@@ -1746,7 +1746,7 @@ font_parse_family_registry (Lisp_Object family, Lisp_Object registry, Lisp_Objec
 /* This part (through the next ^L) is still experimental and not
    tested much.  We may drastically change codes.  */
 
-/* OTF handler */
+/* OTF handler.  */
 
 #if 0
 
@@ -2035,7 +2035,7 @@ font_otf_Anchor (OTF_Anchor *anchor)
 #endif /* 0 */
 
 \f
-/* Font sorting */
+/* Font sorting.  */
 
 static unsigned font_score (Lisp_Object, Lisp_Object *);
 static int font_compare (const void *, const void *);
@@ -2565,7 +2565,6 @@ font_get_cache (FRAME_PTR f, struct font_driver *driver)
   return val;
 }
 
-static int num_fonts;
 
 static void
 font_clear_cache (FRAME_PTR f, Lisp_Object cache, struct font_driver *driver)
@@ -2598,7 +2597,6 @@ font_clear_cache (FRAME_PTR f, Lisp_Object cache, struct font_driver *driver)
                        {
                          eassert (font && driver == font->driver);
                          driver->close (f, font);
-                         num_fonts--;
                        }
                    }
                  if (driver->free_entity)
@@ -2856,7 +2854,6 @@ font_open_entity (FRAME_PTR f, Lisp_Object entity, int pixel_size)
     return Qnil;
   ASET (entity, FONT_OBJLIST_INDEX,
        Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX)));
-  num_fonts++;
 
   font = XFONT_OBJECT (font_object);
   min_width = (font->min_width ? font->min_width
@@ -2901,7 +2898,6 @@ font_close_object (FRAME_PTR f, Lisp_Object font_object)
   eassert (FRAME_X_DISPLAY_INFO (f)->n_fonts);
   FRAME_X_DISPLAY_INFO (f)->n_fonts--;
 #endif
-  num_fonts--;
 }
 
 
@@ -3578,7 +3574,7 @@ font_filter_properties (Lisp_Object font,
   Lisp_Object it;
   int i;
 
-  /* Set boolean values to Qt or Qnil */
+  /* Set boolean values to Qt or Qnil.  */
   for (i = 0; boolean_properties[i] != NULL; ++i)
     for (it = alist; ! NILP (it); it = XCDR (it))
       {
@@ -3693,11 +3689,11 @@ font_at (int c, ptrdiff_t pos, struct face *face, struct window *w,
 
 #ifdef HAVE_WINDOW_SYSTEM
 
-/* Check how many characters after POS (at most to *LIMIT) can be
-   displayed by the same font in the window W.  FACE, if non-NULL, is
-   the face selected for the character at POS.  If STRING is not nil,
-   it is the string to check instead of the current buffer.  In that
-   case, FACE must be not NULL.
+/* Check how many characters after character/byte position POS/POS_BYTE
+   (at most to *LIMIT) can be displayed by the same font in the window W.
+   FACE, if non-NULL, is the face selected for the character at POS.
+   If STRING is not nil, it is the string to check instead of the current
+   buffer.  In that case, FACE must be not NULL.
 
    The return value is the font-object for the character at POS.
    *LIMIT is set to the position where that font can't be used.
@@ -3705,15 +3701,15 @@ font_at (int c, ptrdiff_t pos, struct face *face, struct window *w,
    It is assured that the current buffer (or STRING) is multibyte.  */
 
 Lisp_Object
-font_range (ptrdiff_t pos, ptrdiff_t *limit, struct window *w, struct face *face, Lisp_Object string)
+font_range (ptrdiff_t pos, ptrdiff_t pos_byte, ptrdiff_t *limit,
+           struct window *w, struct face *face, Lisp_Object string)
 {
-  ptrdiff_t pos_byte, ignore;
+  ptrdiff_t ignore;
   int c;
   Lisp_Object font_object = Qnil;
 
   if (NILP (string))
     {
-      pos_byte = CHAR_TO_BYTE (pos);
       if (! face)
        {
          int face_id;
@@ -3724,10 +3720,7 @@ font_range (ptrdiff_t pos, ptrdiff_t *limit, struct window *w, struct face *face
        }
     }
   else
-    {
-      eassert (face);
-      pos_byte = string_char_to_byte (string, pos);
-    }
+    eassert (face);
 
   while (pos < *limit)
     {
@@ -3757,7 +3750,7 @@ font_range (ptrdiff_t pos, ptrdiff_t *limit, struct window *w, struct face *face
 #endif
 
 \f
-/* Lisp API */
+/* Lisp API.  */
 
 DEFUN ("fontp", Ffontp, Sfontp, 1, 2, 0,
        doc: /* Return t if OBJECT is a font-spec, font-entity, or font-object.
@@ -4607,7 +4600,7 @@ If the font is not OpenType font, CAPABILITY is nil.  */)
 
   CHECK_FONT_GET_OBJECT (font_object, font);
 
-  val = Fmake_vector (make_number (9), Qnil);
+  val = make_uninit_vector (9);
   ASET (val, 0, AREF (font_object, FONT_NAME_INDEX));
   ASET (val, 1, AREF (font_object, FONT_FILE_INDEX));
   ASET (val, 2, make_number (font->pixel_size));
@@ -4618,6 +4611,8 @@ If the font is not OpenType font, CAPABILITY is nil.  */)
   ASET (val, 7, make_number (font->average_width));
   if (font->driver->otf_capability)
     ASET (val, 8, Fcons (Qopentype, font->driver->otf_capability (font)));
+  else
+    ASET (val, 8, Qnil);
   return val;
 }
 
@@ -4833,7 +4828,7 @@ where
   OPENED-NAME is the name used for opening the font,
   FULL-NAME is the full name of the font,
   SIZE is the pixelsize of the font,
-  HEIGHT is the pixel-height of the font (i.e ascent + descent),
+  HEIGHT is the pixel-height of the font (i.e., ascent + descent),
   BASELINE-OFFSET is the upward offset pixels from ASCII baseline,
   RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling
     how to compose characters.
@@ -4874,7 +4869,7 @@ If the named font is not yet loaded, return nil.  */)
     return Qnil;
   font = XFONT_OBJECT (font_object);
 
-  info = Fmake_vector (make_number (7), Qnil);
+  info = make_uninit_vector (7);
   ASET (info, 0, AREF (font_object, FONT_NAME_INDEX));
   ASET (info, 1, AREF (font_object, FONT_FULLNAME_INDEX));
   ASET (info, 2, make_number (font->pixel_size));
@@ -5167,7 +5162,7 @@ See `font-weight-table' for the format of the vector. */);
   XSYMBOL (intern_c_string ("font-width-table"))->constant = 1;
 
   staticpro (&font_style_table);
-  font_style_table = Fmake_vector (make_number (3), Qnil);
+  font_style_table = make_uninit_vector (3);
   ASET (font_style_table, 0, Vfont_weight_table);
   ASET (font_style_table, 1, Vfont_slant_table);
   ASET (font_style_table, 2, Vfont_width_table);