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authorPaul Eggert <eggert@cs.ucla.edu>2014-09-24 11:25:04 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2014-09-24 11:25:04 -0700
commitcd812613c83e2d22a697a9312f9406a99bd8ae7d (patch)
tree625bf083661d6c8ee0c2be920815df91ae1ba5f5
parent558eb84ff964453495099918a9689e769eb57838 (diff)
downloademacs-cd812613c83e2d22a697a9312f9406a99bd8ae7d.tar.gz
* keyboard.c (make_lispy_event): Avoid unnecessary tests
of bit 28 and of whether an unsigned value is negative. This simplifies the code a bit, and pacifies clang 3.4.
-rw-r--r--src/ChangeLog6
-rw-r--r--src/keyboard.c43
2 files changed, 26 insertions, 23 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 9e4492d2c90..9ee4a3de1d0 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2014-09-24 Paul Eggert <eggert@cs.ucla.edu>
+
+ * keyboard.c (make_lispy_event): Avoid unnecessary tests
+ of bit 28 and of whether an unsigned value is negative.
+ This simplifies the code a bit, and pacifies clang 3.4.
+
2014-09-24 Eli Zaretskii <eliz@gnu.org>
* systime.h (Time): Define as size_t, to be consistent with 64-bit
diff --git a/src/keyboard.c b/src/keyboard.c
index 7625586650f..718614f080a 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -5548,30 +5548,27 @@ make_lispy_event (struct input_event *event)
ARRAYELTS (iso_lispy_function_keys));
#endif
- /* Handle system-specific or unknown keysyms. */
- if (event->code & (1 << 28)
- || event->code - FUNCTION_KEY_OFFSET < 0
- || (event->code - FUNCTION_KEY_OFFSET
- >= ARRAYELTS (lispy_function_keys))
- || !lispy_function_keys[event->code - FUNCTION_KEY_OFFSET])
- {
- /* We need to use an alist rather than a vector as the cache
- since we can't make a vector long enough. */
- if (NILP (KVAR (current_kboard, system_key_syms)))
- kset_system_key_syms (current_kboard, Fcons (Qnil, Qnil));
- return modify_event_symbol (event->code,
- event->modifiers,
- Qfunction_key,
- KVAR (current_kboard, Vsystem_key_alist),
- 0, &KVAR (current_kboard, system_key_syms),
- PTRDIFF_MAX);
- }
-
- return modify_event_symbol (event->code - FUNCTION_KEY_OFFSET,
+ if ((FUNCTION_KEY_OFFSET <= event->code
+ && (event->code
+ < FUNCTION_KEY_OFFSET + ARRAYELTS (lispy_function_keys)))
+ && lispy_function_keys[event->code - FUNCTION_KEY_OFFSET])
+ return modify_event_symbol (event->code - FUNCTION_KEY_OFFSET,
+ event->modifiers,
+ Qfunction_key, Qnil,
+ lispy_function_keys, &func_key_syms,
+ ARRAYELTS (lispy_function_keys));
+
+ /* Handle system-specific or unknown keysyms.
+ We need to use an alist rather than a vector as the cache
+ since we can't make a vector long enough. */
+ if (NILP (KVAR (current_kboard, system_key_syms)))
+ kset_system_key_syms (current_kboard, Fcons (Qnil, Qnil));
+ return modify_event_symbol (event->code,
event->modifiers,
- Qfunction_key, Qnil,
- lispy_function_keys, &func_key_syms,
- ARRAYELTS (lispy_function_keys));
+ Qfunction_key,
+ KVAR (current_kboard, Vsystem_key_alist),
+ 0, &KVAR (current_kboard, system_key_syms),
+ PTRDIFF_MAX);
#ifdef HAVE_NTGUI
case MULTIMEDIA_KEY_EVENT: