Clarify some or exclusive expressions
Since relational expresions are always evaluated to 0 or 1, we can use bitwise xor operator instead of using more complex boolean expressions. --- st.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)dev
parent
950ff21e17
commit
ba9d0365ac
14
st.c
14
st.c
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@ -1475,15 +1475,15 @@ tsetmode(bool priv, bool set, int *args, int narg) {
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break;
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break;
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case 1049: /* = 1047 and 1048 */
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case 1049: /* = 1047 and 1048 */
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case 47:
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case 47:
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case 1047:
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case 1047: {
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if(IS_SET(MODE_ALTSCREEN))
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bool alt = IS_SET(MODE_ALTSCREEN) != 0;
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if(alt)
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tclearregion(0, 0, term.col-1, term.row-1);
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tclearregion(0, 0, term.col-1, term.row-1);
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if((set && !IS_SET(MODE_ALTSCREEN)) ||
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if(set ^ alt) /* set is always 1 or 0 */
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(!set && IS_SET(MODE_ALTSCREEN))) {
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tswapscreen();
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tswapscreen();
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}
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if(*args != 1049)
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if(*args != 1049)
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break;
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break;
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}
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/* pass through */
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/* pass through */
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case 1048:
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case 1048:
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tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
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tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
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@ -2546,9 +2546,9 @@ drawregion(int x1, int y1, int x2, int y2) {
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int ic, ib, x, y, ox, sl;
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int ic, ib, x, y, ox, sl;
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Glyph base, new;
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Glyph base, new;
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char buf[DRAW_BUF_SIZ];
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char buf[DRAW_BUF_SIZ];
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bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN);
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bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN) != 0;
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if((sel.alt && !alt) || (!sel.alt && alt))
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if((sel.alt != 0) ^ alt)
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ena_sel = 0;
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ena_sel = 0;
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if(!(xw.state & WIN_VISIBLE))
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if(!(xw.state & WIN_VISIBLE))
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return;
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return;
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