Use bool for boolean in xfont.c, xftfont.c, xgselect.c

* xfont.c (xfont_driver, xfont_chars_supported)
(xfont_text_extents):
* xftfont.c (xftfont_get_colors, xftfont_open)
(xftfont_prepare_face, xftfont_done_face)
(xftfont_cached_font_ok):
* xgselect.c (xg_select):
Use bool for boolean.

4 files changed, 26 insertions, 17 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 8f23dd3833e..a98c77f3902 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,14 @@
 2015-01-22  Paul Eggert  <eggert@cs.ucla.edu>
 
+        Use bool for boolean in xfont.c, xftfont.c, xgselect.c
+        * xfont.c (xfont_driver, xfont_chars_supported)
+        (xfont_text_extents):
+        * xftfont.c (xftfont_get_colors, xftfont_open)
+        (xftfont_prepare_face, xftfont_done_face)
+        (xftfont_cached_font_ok):
+        * xgselect.c (xg_select):
+        Use bool for boolean.
+
         Don't downcase system diagnostics' first letters
         * fileio.c (report_file_errno): Don't downcase, and simplify.
         Fixes: bug#19642
diff --git a/src/xfont.c b/src/xfont.c
index 10cc321b60c..55053b9a421 100644
--- a/src/xfont.c
+++ b/src/xfont.c
@@ -132,7 +132,7 @@ static int xfont_check (struct frame *, struct font *);
 struct font_driver xfont_driver =
   {
     LISP_INITIALLY_ZERO,        /* Qx */
-    0,                          /* case insensitive */
+    false,                      /* case insensitive */
     xfont_get_cache,
     xfont_list,
     xfont_match,
@@ -269,7 +269,7 @@ xfont_chars_supported (Lisp_Object chars, XFontStruct *xfont,
         }
       return (i >= 0);
     }
-  return 0;
+  return false;
 }
 
 /* A hash table recoding which font supports which scripts.  Each key
@@ -983,7 +983,7 @@ xfont_text_extents (struct font *font, unsigned int *code,
   int i, width = 0;
   bool first;
 
-  for (i = 0, first = 1; i < nglyphs; i++)
+  for (i = 0, first = true; i < nglyphs; i++)
     {
       XChar2b char2b;
       static XCharStruct *pcm;
@@ -1000,7 +1000,7 @@ xfont_text_extents (struct font *font, unsigned int *code,
           metrics->rbearing = pcm->rbearing;
           metrics->ascent = pcm->ascent;
           metrics->descent = pcm->descent;
-          first = 0;
+          first = false;
         }
       else
         {
diff --git a/src/xftfont.c b/src/xftfont.c
index 054b38e120f..0e8b876f1d3 100644
--- a/src/xftfont.c
+++ b/src/xftfont.c
@@ -85,7 +85,7 @@ xftfont_get_colors (struct frame *f, struct face *face, GC gc,
   else
     {
       XGCValues xgcv;
-      bool fg_done = 0, bg_done = 0;
+      bool fg_done = false, bg_done = false;
 
       block_input ();
       XGetGCValues (FRAME_X_DISPLAY (f), gc,
@@ -93,15 +93,15 @@ xftfont_get_colors (struct frame *f, struct face *face, GC gc,
       if (xftface_info)
         {
           if (xgcv.foreground == face->foreground)
-            *fg = xftface_info->xft_fg, fg_done = 1;
+            *fg = xftface_info->xft_fg, fg_done = true;
           else if (xgcv.foreground == face->background)
-            *fg = xftface_info->xft_bg, fg_done = 1;
+            *fg = xftface_info->xft_bg, fg_done = true;
           if (! bg)
-            bg_done = 1;
+            bg_done = true;
           else if (xgcv.background == face->background)
-            *bg = xftface_info->xft_bg, bg_done = 1;
+            *bg = xftface_info->xft_bg, bg_done = true;
           else if (xgcv.background == face->foreground)
-            *bg = xftface_info->xft_fg, bg_done = 1;
+            *bg = xftface_info->xft_fg, bg_done = true;
         }
 
       if (! (fg_done & bg_done))
@@ -434,7 +434,7 @@ xftfont_open (struct frame *f, Lisp_Object entity, int pixel_size)
   font->baseline_offset = 0;
   font->relative_compose = 0;
   font->default_ascent = 0;
-  font->vertical_centering = 0;
+  font->vertical_centering = false;
 #ifdef FT_BDF_H
   if (! (ft_face->face_flags & FT_FACE_FLAG_SFNT))
     {
@@ -487,7 +487,7 @@ xftfont_prepare_face (struct frame *f, struct face *face)
 {
   struct xftface_info *xftface_info;
 
-#if 0
+#if false
   /* This doesn't work if face->ascii_face doesn't use an Xft font. */
   if (face != face->ascii_face)
     {
@@ -507,7 +507,7 @@ xftfont_done_face (struct frame *f, struct face *face)
 {
   struct xftface_info *xftface_info;
 
-#if 0
+#if false
   /* This doesn't work if face->ascii_face doesn't use an Xft font. */
   if (face != face->ascii_face
       || ! face->extra)
@@ -682,7 +682,7 @@ xftfont_cached_font_ok (struct frame *f, Lisp_Object font_object,
   Display *display = FRAME_X_DISPLAY (f);
   FcPattern *pat = FcPatternCreate ();
   FcBool b1, b2;
-  bool ok = 0;
+  bool ok = false;
   int i1, i2, r1, r2;
 
   xftfont_add_rendering_parameters (pat, entity);
@@ -712,7 +712,7 @@ xftfont_cached_font_ok (struct frame *f, Lisp_Object font_object,
   r2 = FcPatternGetInteger (oldpat, FC_RGBA, 0, &i2);
   if (r1 != r2 || i1 != i2) goto out;
 
-  ok = 1;
+  ok = true;
  out:
   FcPatternDestroy (pat);
   return ok;
diff --git a/src/xgselect.c b/src/xgselect.c
index bb2226e07cf..0b62d3e8255 100644
--- a/src/xgselect.c
+++ b/src/xgselect.c
@@ -50,7 +50,7 @@ xg_select (int fds_lim, fd_set *rfds, fd_set *wfds, fd_set *efds,
   struct timespec const *tmop = timeout;
 
   GMainContext *context;
-  int have_wfds = wfds != NULL;
+  bool have_wfds = wfds != NULL;
   GPollFD gfds_buf[128];
   GPollFD *gfds = gfds_buf;
   int gfds_size = ARRAYELTS (gfds_buf);
@@ -96,7 +96,7 @@ xg_select (int fds_lim, fd_set *rfds, fd_set *wfds, fd_set *efds,
         {
           FD_SET (gfds[i].fd, &all_wfds);
           if (gfds[i].fd > max_fds) max_fds = gfds[i].fd;
-          have_wfds = 1;
+          have_wfds = true;
         }
     }