[Emacs-diffs] master f3f67cf: Pacify GCC 7 with -Wformat-overflow

[Ken Brown]

branch: master
commit f3f67cf0b9a6388d423e048a7aafad2eb531b5a5
Author: Ken Brown <address@hidden>
Commit: Ken Brown <address@hidden>

    Pacify GCC 7 with -Wformat-overflow
    
    * src/w32term.c (x_draw_glyphless_glyph_string_foreground):
    Force sprintf to write at most 6 bytes, excluding the
    terminating null byte.
---
 src/w32term.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/w32term.c b/src/w32term.c
index ff0d2bf..0ae173a 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -1476,7 +1476,7 @@ x_draw_glyphless_glyph_string_foreground (struct 
glyph_string *s)
        {
          sprintf ((char *) buf, "%0*X",
                   glyph->u.glyphless.ch < 0x10000 ? 4 : 6,
-                  (unsigned int) glyph->u.glyphless.ch);
+                  (unsigned int) glyph->u.glyphless.ch & 0xffffff);
          str = buf;
        }