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authorKen Brown <kbrown@cornell.edu>2016-06-20 23:05:12 -0400
committerKen Brown <kbrown@cornell.edu>2016-06-20 23:05:12 -0400
commit560c4ab1c32eacc48f62e4176a1e9fb10ac7665b (patch)
tree22aa9842a1d770f810634f21a2620b8ab1f8ac44 /src/conf_post.h
parentd4c1535c6321318e3ba96a482303bfc790a47266 (diff)
downloademacs-560c4ab1c32eacc48f62e4176a1e9fb10ac7665b.tar.gz
Fix compiler warnings in Cygwin-w32 build
* src/conf_post.h (DebPrint) [!EMACSDEBUG]: Add empty do-while loop to avoid compiler warnings about empty body of 'if' statement. * src/image.c [HAVE_NTGUI] (DefaultDepthOfScreen): Disable unused macro. (x_create_bitmap_from_data): Declare 'frame'. (x_create_bitmap_from_file): Don't declare unused variable 'dpyinfo'. * src/lisp.h (AUTO_STRING_WITH_LEN): Avoid initialization to prevent "jump-misses-init" compiler warnings. * src/w32fns.c (check_w32_winkey_state): Define and use only if WINDOWSNT. (Fx_show_tip): Declare 'f'. (Fx_file_dialog): Declare 'filter_a' only if not NTGUI_UNICODE. (w32_strerror): Use format specifier %d for sprintf argument of type int. (emacs_abort): Cast sprintf argument of type DWORD to unsigned int, and use format specifier %x, for compatibility with Cygwin. (unicode_append_menu) [NTGUI_UNICODE]: * src/w32menu.c [NTGUI_UNICODE] (get_menu_item_info) (set_menu_item_info, unicode_append_menu) (unicode_message_box): * src/menu.c [NTGUI_UNICODE] (unicode_append_menu): Define as functions rather than macros to avoid "address will always evaluate as true" compiler warnings. * src/w32font.c (w32_to_x_charset): Use format specifier %d for sprintf argument of type int. * src/w32term.c (x_draw_glyphless_glyph_string_foreground): Cast sprintf argument of type int to unsigned int to match %X format specifier. (w32_scroll_bar_handle_click): (w32_horizontal_scroll_bar_handle_click): Declare 'f'. * src/w32term.h (FRAME_DISPLAY_INFO): Explicitly discard unused argument.
Diffstat (limited to 'src/conf_post.h')
-rw-r--r--src/conf_post.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/conf_post.h b/src/conf_post.h
index 4459caf3f99..431b7a9d826 100644
--- a/src/conf_post.h
+++ b/src/conf_post.h
@@ -211,7 +211,8 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
extern void _DebPrint (const char *fmt, ...);
# define DebPrint(stuff) _DebPrint stuff
# else
-# define DebPrint(stuff)
+/* Avoid compiler warnings about empty body of 'if' statement. */
+# define DebPrint(stuff) do {} while (false)
# endif
#endif