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STREscape: don't trim prematurely

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STRescape holds strings in escape sequences such as OSC and DCS, and
its buffer is 512 bytes.

If the input is too big then trailing chars are ignored, but the test
was off-by-1 such that it took 510 chars instead of 511 (before a
terminating NULL is added).

Now the full size can be utilized.
This commit is contained in:
Avi Halachmi (:avih) 2019-10-16 12:19:49 +03:00 committed by Hiltjo Posthuma
parent ea4d933ed9
commit 7ceb3d1f72
1 changed files with 1 additions and 1 deletions
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2
st.c
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@ -2330,7 +2330,7 @@ tputc(Rune u)
if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
term.mode |= MODE_SIXEL;
if (strescseq.len+len >= sizeof(strescseq.buf)-1) {
if (strescseq.len+len >= sizeof(strescseq.buf)) {
/*
* Here is a bug in terminals. If the user never sends
* some code to stop the str or esc command, then st