3aca819940
Compiler warning:
xinput.c:272: warning: dereferencing pointer 'e' does break strict-aliasing
rules
The code itself is the usual XInput client-side code:
XEvent event;
XDeviceMotionEvent *e = (XDeviceMotionEvent *)&event;
XNextEvent(display, &event);
printf("%d\n", e->type);
Since XDeviceMotionEvent is not guaranteed the same size as XEvent, clients
must use pointer aliasing as above when using the XNextEvent API. Disable
strict aliasing for this example.
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Gaetan Nadon <memsize@videotron.ca>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
Signed-off-by: Keith Packard <keithp@keithp.com>
71 lines
2.0 KiB
Makefile
71 lines
2.0 KiB
Makefile
if DMX_BUILD_USB
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# Requires <linux/input.h>
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EV_PROG = ev
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endif
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bin_PROGRAMS = \
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dmxinfo dmxwininfo dmxreconfig dmxresize \
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dmxaddscreen dmxrmscreen \
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dmxaddinput dmxrminput
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noinst_PROGRAMS = xinput xtest evi res xled xbell $(EV_PROG)
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dmxinfo_SOURCES = dmxinfo.c
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dmxinfo_LDADD = $(DMXEXAMPLES_DEP_LIBS)
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dmxinfo_CFLAGS = $(DMXEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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dmxwininfo_SOURCES = dmxwininfo.c
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dmxwininfo_LDADD = $(DMXXMUEXAMPLES_DEP_LIBS)
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dmxwininfo_CFLAGS = $(DMXXMUEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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dmxreconfig_SOURCES = dmxreconfig.c
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dmxreconfig_LDADD = $(DMXEXAMPLES_DEP_LIBS)
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dmxreconfig_CFLAGS = $(DMXEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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dmxresize_SOURCES = dmxresize.c
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dmxresize_LDADD = $(DMXEXAMPLES_DEP_LIBS)
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dmxresize_CFLAGS = $(DMXEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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dmxaddscreen_SOURCES = dmxaddscreen.c
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dmxaddscreen_LDADD = $(DMXEXAMPLES_DEP_LIBS)
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dmxaddscreen_CFLAGS = $(DMXEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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dmxrmscreen_SOURCES = dmxrmscreen.c
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dmxrmscreen_LDADD = $(DMXEXAMPLES_DEP_LIBS)
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dmxrmscreen_CFLAGS = $(DMXEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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dmxaddinput_SOURCES = dmxaddinput.c
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dmxaddinput_LDADD = $(DMXEXAMPLES_DEP_LIBS)
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dmxaddinput_CFLAGS = $(DMXEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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dmxrminput_SOURCES = dmxrminput.c
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dmxrminput_LDADD = $(DMXEXAMPLES_DEP_LIBS)
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dmxrminput_CFLAGS = $(DMXEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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xinput_SOURCES = xinput.c
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xinput_LDADD = $(DMXXIEXAMPLES_DEP_LIBS)
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xinput_CFLAGS = $(DMXXIEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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xtest_SOURCES = xtest.c
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xtest_LDADD = $(XTSTEXAMPLES_DEP_LIBS)
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xtest_CFLAGS = $(XTSTEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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evi_SOURCES = evi.c
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evi_LDADD = $(X11EXAMPLES_DEP_LIBS)
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evi_CFLAGS = $(X11EXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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res_SOURCES = res.c
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res_LDADD = $(XRESEXAMPLES_DEP_LIBS)
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res_CFLAGS = $(XRESEXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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xled_SOURCES = xled.c
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xled_LDADD = $(X11EXAMPLES_DEP_LIBS)
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xled_CFLAGS = $(X11EXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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xbell_SOURCES = xbell.c
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xbell_LDADD = $(X11EXAMPLES_DEP_LIBS)
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xbell_CFLAGS = $(X11EXAMPLES_DEP_CFLAGS) $(CWARNFLAGS)
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ev_SOURCES = ev.c
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ev_LDADD =
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ev_CFLAGS =
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