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term: correctly deduce stub memory requirements

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We were only counting one instead of two colors (fg/bg), and not
allowing for combined decorators.
This commit is contained in:
fang 2021-03-13 02:17:06 +01:00
parent 23ec162c2f
commit 8f92265680
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1 changed files with 4 additions and 4 deletions
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pkg/urbit/vere/io/term.c
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@ -1329,11 +1329,11 @@ _term_it_show_stub(u3_utty* uty_u,
// allocate enough memory for every display character, plus styles
//
//NOTE we use max 31 characters per styl for escape codes:
// 3 for opening, 4 for decorations, 15 for colors, 4 for closing,
// and 5 as separators between decorations and colors.
//NOTE we use max 48 characters per styl for escape codes:
// 2 for opening, 7 for decorations, 2x16 for colors, 4 for closing,
// and 3 as separators between decorations and colors.
//
c3_w* lin_w = c3_malloc( sizeof(c3_w) * (lec_w + (31 * tuc_w)) );
c3_w* lin_w = c3_malloc( sizeof(c3_w) * (lec_w + (48 * tuc_w)) );
// write the contents to the buffer,
// tracking total and escape characters written