top: plug a small potential hole in multi-byte support
Unlike the insp_mkrow_raw function the insp_mkrow_utf8 routine is not equipped to print non-ctl, non-printing characters like '<7f>'. However, technically that very value currently slips through the cracks. So with this patch top will now print a space in the unlikely event a character with the value of 127 is ever encountered. Signed-off-by: Jim Warner <james.warner@comcast.net>
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@ -2700,6 +2700,7 @@ static void insp_mkrow_utf8 (int col, int row) {
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#define mkCTL { if ((to += 2) <= Screen_cols) \
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PUTT("%s^%c%s", Curwin->capclr_msg, uch + '@', Caps_off); }
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#endif
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#define mkNUL { buf1[0] = ' '; doPUT(buf1) }
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#define doPUT(buf) if (++to <= Screen_cols) putp(buf);
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static char buf1[2], buf2[3], buf3[4], buf4[5];
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char tline[BIGBUFSIZ];
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@ -2719,6 +2720,7 @@ static void insp_mkrow_utf8 (int col, int row) {
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case 1:
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if (uch == '\n') break;
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else if (uch < 32) mkCTL
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else if (uch == 127) mkNUL
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else { buf1[0] = uch; doPUT(buf1) }
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break;
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case 2:
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@ -2734,8 +2736,7 @@ static void insp_mkrow_utf8 (int col, int row) {
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doPUT(buf4)
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break;
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default:
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buf1[0] = ' ';
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doPUT(buf1)
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mkNUL
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break;
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}
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} else {
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@ -2749,6 +2750,7 @@ static void insp_mkrow_utf8 (int col, int row) {
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#undef maxSZ
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#undef mkFND
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#undef mkCTL
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#undef mkNUL
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#undef doPUT
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} // end: insp_mkrow_utf8
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