Minor putc tweaks

* src/emacs-module.c (module_abort):
* src/xdisp.c (vmessage):
Prefer fputc to putc, since speed isn’t crucial here.
* src/region-cache.c (pp_cache) [ENABLE_CHECKING]: Simplify.

3 files changed, 8 insertions, 14 deletions

diff --git a/src/emacs-module.c b/src/emacs-module.c
index 907a5d8225a..c856663d2ff 100644
--- a/src/emacs-module.c
+++ b/src/emacs-module.c
@@ -1304,7 +1304,7 @@ module_abort (const char *format, ...)
   va_start (args, format);
   vfprintf (stderr, format, args);
   va_end (args);
-  putc ('\n', stderr);
+  fputc ('\n', stderr);
   fflush (NULL);
   emacs_abort ();
 }
diff --git a/src/region-cache.c b/src/region-cache.c
index d2e3d94829b..57a26f2fa64 100644
--- a/src/region-cache.c
+++ b/src/region-cache.c
@@ -759,7 +759,6 @@ void pp_cache (struct region_cache *) EXTERNALLY_VISIBLE;
 void
 pp_cache (struct region_cache *c)
 {
-  ptrdiff_t i;
   ptrdiff_t beg_u = c->buffer_beg + c->beg_unchanged;
   ptrdiff_t end_u = c->buffer_end - c->end_unchanged;
 
@@ -768,19 +767,14 @@ pp_cache (struct region_cache *c)
            c->buffer_beg, c->buffer_end,
            beg_u, end_u);
 
-  for (i = 0; i < c->cache_len; i++)
+  for (ptrdiff_t i = 0; i < c->cache_len; i++)
     {
       ptrdiff_t pos = BOUNDARY_POS (c, i);
 
-      putc (((pos < beg_u) ? 'v'
-             : (pos == beg_u) ? '-'
-             : ' '),
-            stderr);
-      putc (((pos > end_u) ? '^'
-             : (pos == end_u) ? '-'
-             : ' '),
-            stderr);
-      fprintf (stderr, "%"pD"d : %d\n", pos, BOUNDARY_VALUE (c, i));
+      fprintf (stderr, "%c%c%"pD"d : %d\n",
+	       pos < beg_u ? 'v' : pos == beg_u ? '-' : ' ',
+	       pos > end_u ? '^' : pos == end_u ? '-' : ' ',
+	       pos, BOUNDARY_VALUE (c, i));
     }
 }
 
diff --git a/src/xdisp.c b/src/xdisp.c
index dc5101d5aca..945174e09c5 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -10845,11 +10845,11 @@ vmessage (const char *m, va_list ap)
       if (m)
 	{
 	  if (noninteractive_need_newline)
-	    putc ('\n', stderr);
+	    fputc ('\n', stderr);
 	  noninteractive_need_newline = false;
 	  vfprintf (stderr, m, ap);
 	  if (!cursor_in_echo_area)
-	    fprintf (stderr, "\n");
+	    fputc ('\n', stderr);
 	  fflush (stderr);
 	}
     }