Use (1u << idx) instead of (1 << idx) where appropriate

It doesn't matter (I think), since the implicit conversion doesn't have
any effect (e.g. sign-extension). But it's better to be aware of the
type.

Signed-off-by: Ran Benita <ran234@gmail.com>

8 files changed, 34 insertions, 34 deletions

diff --git a/src/state.c b/src/state.c
index 3298592..bf90688 100644
--- a/src/state.c
+++ b/src/state.c
@@ -631,21 +631,21 @@ xkb_state_led_update_all(struct xkb_state *state)
         if (led->which_mods & XKB_STATE_MODS_LOCKED)
             mod_mask |= state->components.locked_mods;
         if (led->mods.mask & mod_mask)
-            state->components.leds |= (1 << idx);
+            state->components.leds |= (1u << idx);
 
         if (led->which_groups & XKB_STATE_LAYOUT_EFFECTIVE)
-            group_mask |= (1 << state->components.group);
+            group_mask |= (1u << state->components.group);
         if (led->which_groups & XKB_STATE_LAYOUT_DEPRESSED)
-            group_mask |= (1 << state->components.base_group);
+            group_mask |= (1u << state->components.base_group);
         if (led->which_groups & XKB_STATE_LAYOUT_LATCHED)
-            group_mask |= (1 << state->components.latched_group);
+            group_mask |= (1u << state->components.latched_group);
         if (led->which_groups & XKB_STATE_LAYOUT_LOCKED)
-            group_mask |= (1 << state->components.locked_group);
+            group_mask |= (1u << state->components.locked_group);
         if (led->groups & group_mask)
-            state->components.leds |= (1 << idx);
+            state->components.leds |= (1u << idx);
 
         if (led->ctrls & state->keymap->enabled_ctrls)
-            state->components.leds |= (1 << idx);
+            state->components.leds |= (1u << idx);
     }
 }
 
@@ -780,7 +780,7 @@ xkb_state_update_mask(struct xkb_state *state,
     num_mods = xkb_keymap_num_mods(state->keymap);
 
     for (idx = 0; idx < num_mods; idx++) {
-        xkb_mod_mask_t mod = (1 << idx);
+        xkb_mod_mask_t mod = (1u << idx);
         if (base_mods & mod)
             state->components.base_mods |= mod;
         if (latched_mods & mod)
@@ -912,7 +912,7 @@ xkb_state_mod_index_is_active(struct xkb_state *state,
     if (idx >= xkb_keymap_num_mods(state->keymap))
         return -1;
 
-    return !!(xkb_state_serialize_mods(state, type) & (1 << idx));
+    return !!(xkb_state_serialize_mods(state, type) & (1u << idx));
 }
 
 /**
@@ -963,7 +963,7 @@ xkb_state_mod_indices_are_active(struct xkb_state *state,
             ret = -1;
             break;
         }
-        wanted |= (1 << idx);
+        wanted |= (1u << idx);
     }
     va_end(ap);
 
@@ -1014,7 +1014,7 @@ xkb_state_mod_names_are_active(struct xkb_state *state,
             ret = -1;
             break;
         }
-        wanted |= (1 << idx);
+        wanted |= (1u << idx);
     }
     va_end(ap);
 
@@ -1076,7 +1076,7 @@ xkb_state_led_index_is_active(struct xkb_state *state, xkb_led_index_t idx)
         darray_item(state->keymap->leds, idx).name == XKB_ATOM_NONE)
         return -1;
 
-    return !!(state->components.leds & (1 << idx));
+    return !!(state->components.leds & (1u << idx));
 }
 
 /**
@@ -1131,7 +1131,7 @@ xkb_state_mod_index_is_consumed(struct xkb_state *state, xkb_keycode_t kc,
     if (!key || idx >= xkb_keymap_num_mods(state->keymap))
         return -1;
 
-    return !!((1 << idx) & key_get_consumed(state, key));
+    return !!((1u << idx) & key_get_consumed(state, key));
 }
 
 /**
diff --git a/src/text.c b/src/text.c
index 59d6c77..f3a09e8 100644
--- a/src/text.c
+++ b/src/text.c
@@ -280,7 +280,7 @@ ModMaskText(const struct xkb_keymap *keymap, xkb_mod_mask_t mask)
     darray_enumerate(i, mod, keymap->mods) {
         int ret;
 
-        if (!(mask & (1 << i)))
+        if (!(mask & (1u << i)))
             continue;
 
         ret = snprintf(buf + pos, sizeof(buf) - pos, "%s%s",
@@ -307,14 +307,14 @@ LedStateMaskText(struct xkb_context *ctx, enum xkb_state_component mask)
     for (unsigned i = 0; mask; i++) {
         int ret;
 
-        if (!(mask & (1 << i)))
+        if (!(mask & (1u << i)))
             continue;
 
-        mask &= ~(1 << i);
+        mask &= ~(1u << i);
 
         ret = snprintf(buf + pos, sizeof(buf) - pos, "%s%s",
                        pos == 0 ? "" : "+",
-                       LookupValue(modComponentMaskNames, 1 << i));
+                       LookupValue(modComponentMaskNames, 1u << i));
         if (ret <= 0 || pos + ret >= sizeof(buf))
             break;
         else
@@ -339,14 +339,14 @@ ControlMaskText(struct xkb_context *ctx, enum xkb_action_controls mask)
     for (unsigned i = 0; mask; i++) {
         int ret;
 
-        if (!(mask & (1 << i)))
+        if (!(mask & (1u << i)))
             continue;
 
-        mask &= ~(1 << i);
+        mask &= ~(1u << i);
 
         ret = snprintf(buf + pos, sizeof(buf) - pos, "%s%s",
                        pos == 0 ? "" : "+",
-                       LookupValue(ctrlMaskNames, 1 << i));
+                       LookupValue(ctrlMaskNames, 1u << i));
         if (ret <= 0 || pos + ret >= sizeof(buf))
             break;
         else
diff --git a/src/x11/keymap.c b/src/x11/keymap.c
index 9d680b1..8581a79 100644
--- a/src/x11/keymap.c
+++ b/src/x11/keymap.c
@@ -684,7 +684,7 @@ get_indicators(struct xkb_keymap *keymap, xcb_connection_t *conn,
     darray_resize0(keymap->leds, msb_pos(reply->which));
 
     for (int i = 0; i < NUM_INDICATORS; i++) {
-        if (reply->which & (1 << i)) {
+        if (reply->which & (1u << i)) {
             xcb_xkb_indicator_map_t *wire = iter.data;
             struct xkb_led *led = &darray_item(keymap->leds, i);
 
@@ -886,7 +886,7 @@ get_indicator_names(struct xkb_keymap *keymap, xcb_connection_t *conn,
     FAIL_UNLESS(msb_pos(reply->indicators) <= (int) darray_size(keymap->leds));
 
     for (int i = 0; i < NUM_INDICATORS; i++) {
-        if (reply->indicators & (1 << i)) {
+        if (reply->indicators & (1u << i)) {
             xcb_atom_t wire = *iter;
             struct xkb_led *led = &darray_item(keymap->leds, i);
 
diff --git a/src/xkbcomp/expr.c b/src/xkbcomp/expr.c
index ba71208..7b6ecc9 100644
--- a/src/xkbcomp/expr.c
+++ b/src/xkbcomp/expr.c
@@ -116,7 +116,7 @@ LookupModMask(struct xkb_context *ctx, const void *priv, xkb_atom_t field,
     if (ndx == XKB_MOD_INVALID)
         return false;
 
-    *val_rtrn = (1 << ndx);
+    *val_rtrn = (1u << ndx);
     return true;
 }
 
diff --git a/src/xkbcomp/keymap-dump.c b/src/xkbcomp/keymap-dump.c
index 0f5b958..fe41675 100644
--- a/src/xkbcomp/keymap-dump.c
+++ b/src/xkbcomp/keymap-dump.c
@@ -635,7 +635,7 @@ write_symbols(struct xkb_keymap *keymap, struct buf *buf)
             continue;
 
         darray_enumerate(i, mod, keymap->mods)
-            if (key->modmap & (1 << i))
+            if (key->modmap & (1u << i))
                 write_buf(buf, "\tmodifier_map %s { %s };\n",
                           xkb_atom_text(keymap->ctx, mod->name),
                           KeyNameText(keymap->ctx, key->name));
diff --git a/src/xkbcomp/keymap.c b/src/xkbcomp/keymap.c
index aee631f..8a70577 100644
--- a/src/xkbcomp/keymap.c
+++ b/src/xkbcomp/keymap.c
@@ -39,7 +39,7 @@ ComputeEffectiveMask(struct xkb_keymap *keymap, struct xkb_mods *mods)
     mods->mask = mods->mods & MOD_REAL_MASK_ALL;
 
     darray_enumerate(i, mod, keymap->mods)
-        if (mods->mods & (1 << i))
+        if (mods->mods & (1u << i))
             mods->mask |= mod->mapping;
 }
 
@@ -158,7 +158,7 @@ ApplyInterpsToKey(struct xkb_keymap *keymap, struct xkb_key *key)
 
             if ((group == 0 && level == 0) || !interp->level_one_only)
                 if (interp->virtual_mod != XKB_MOD_INVALID)
-                    vmodmap |= (1 << interp->virtual_mod);
+                    vmodmap |= (1u << interp->virtual_mod);
 
             if (interp->action.type != ACTION_TYPE_NONE)
                 key->groups[group].levels[level].action = interp->action;
@@ -194,7 +194,7 @@ UpdateDerivedKeymapFields(struct xkb_keymap *keymap)
     /* Update keymap->mods, the virtual -> real mod mapping. */
     xkb_foreach_key(key, keymap)
         darray_enumerate(i, mod, keymap->mods)
-            if (key->vmodmap & (1 << i))
+            if (key->vmodmap & (1u << i))
                 mod->mapping |= key->modmap;
 
     /* Now update the level masks for all the types to reflect the vmods. */
diff --git a/src/xkbcomp/rules.c b/src/xkbcomp/rules.c
index d757a81..77766d2 100644
--- a/src/xkbcomp/rules.c
+++ b/src/xkbcomp/rules.c
@@ -482,7 +482,7 @@ matcher_mapping_set_mlvo(struct matcher *m, struct sval ident)
         return;
     }
 
-    if (m->mapping.defined_mlvo_mask & (1 << mlvo)) {
+    if (m->mapping.defined_mlvo_mask & (1u << mlvo)) {
         matcher_error(m,
                       "invalid mapping: %.*s appears twice on the same line; "
                       "ignoring rule set",
@@ -522,7 +522,7 @@ matcher_mapping_set_mlvo(struct matcher *m, struct sval ident)
     }
 
     m->mapping.mlvo_at_pos[m->mapping.num_mlvo] = mlvo;
-    m->mapping.defined_mlvo_mask |= 1 << mlvo;
+    m->mapping.defined_mlvo_mask |= 1u << mlvo;
     m->mapping.num_mlvo++;
 }
 
@@ -549,7 +549,7 @@ matcher_mapping_set_kccgst(struct matcher *m, struct sval ident)
         return;
     }
 
-    if (m->mapping.defined_kccgst_mask & (1 << kccgst)) {
+    if (m->mapping.defined_kccgst_mask & (1u << kccgst)) {
         matcher_error(m,
                       "invalid mapping: %.*s appears twice on the same line; "
                       "ignoring rule set",
@@ -559,7 +559,7 @@ matcher_mapping_set_kccgst(struct matcher *m, struct sval ident)
     }
 
     m->mapping.kccgst_at_pos[m->mapping.num_kccgst] = kccgst;
-    m->mapping.defined_kccgst_mask |= 1 << kccgst;
+    m->mapping.defined_kccgst_mask |= 1u << kccgst;
     m->mapping.num_kccgst++;
 }
 
@@ -585,7 +585,7 @@ matcher_mapping_verify(struct matcher *m)
      * See the "Notes" section in the overview above.
      */
 
-    if (m->mapping.defined_mlvo_mask & (1 << MLVO_LAYOUT)) {
+    if (m->mapping.defined_mlvo_mask & (1u << MLVO_LAYOUT)) {
         if (m->mapping.layout_idx == XKB_LAYOUT_INVALID) {
             if (darray_size(m->rmlvo.layouts) > 1)
                 goto skip;
@@ -597,7 +597,7 @@ matcher_mapping_verify(struct matcher *m)
         }
     }
 
-    if (m->mapping.defined_mlvo_mask & (1 << MLVO_VARIANT)) {
+    if (m->mapping.defined_mlvo_mask & (1u << MLVO_VARIANT)) {
         if (m->mapping.variant_idx == XKB_LAYOUT_INVALID) {
             if (darray_size(m->rmlvo.variants) > 1)
                 goto skip;
diff --git a/src/xkbcomp/symbols.c b/src/xkbcomp/symbols.c
index 1e044e5..b57d02c 100644
--- a/src/xkbcomp/symbols.c
+++ b/src/xkbcomp/symbols.c
@@ -1511,7 +1511,7 @@ CopyModMapDef(SymbolsInfo *info, ModMapEntry *entry)
         }
     }
 
-    key->modmap |= (1 << entry->modifier);
+    key->modmap |= (1u << entry->modifier);
     return true;
 }