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	st-externalpipe-eternal-0.8.3.diff (2045B)
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	1 From 2228468a6db1e648c69849860d30867c0e77650e Mon Sep 17 00:00:00 2001
	2 From: AtomToast <[email protected]>
	3 Date: Wed, 29 Apr 2020 02:31:29 +0200
	4 Subject: [PATCH] apply Luke Smiths external pipe eternal patch
	5
	6 Enables external pipe to work on the entire scrollback history.
	7
	8 Source: https://github.com/LukeSmithxyz/st/commit/da13ef12463d1870caed94…
	9 Made to work on semi-vanilla st.
	10
	11 This patch requires both externalpipe and scrollback patch in order to w…
	12 ---
	13 st.c \| 25 +++++++++++++++++++++----
	14 1 file changed, 21 insertions(+), 4 deletions(-)
	15
	16 diff --git a/st.c b/st.c
	17 index d4c88a2..2716f44 100644
	18 --- a/st.c
	19 +++ b/st.c
	20 @@ -46,6 +46,7 @@
	21 #define TLINE(y) ((y) < term.scr ? term.hist[((y) + term…
	22 term.scr + HISTSIZE + 1) % HISTSIZE] : \
	23 term.line[(y) - term.scr])
	24 +#define TLINE_HIST(y) ((y) <= HISTSIZE-term.row+2 ? term.hist…
	25
	26 enum term_mode {
	27 MODE_WRAP = 1 << 0,
	28 @@ -431,6 +432,20 @@ tlinelen(int y)
	29 return i;
	30 }
	31
	32 +int
	33 +tlinehistlen(int y)
	34 +{
	35 + int i = term.col;
	36 +
	37 + if (TLINE_HIST(y)[i - 1].mode & ATTR_WRAP)
	38 + return i;
	39 +
	40 + while (i > 0 && TLINE_HIST(y)[i - 1].u == ' ')
	41 + --i;
	42 +
	43 + return i;
	44 +}
	45 +
	46 void
	47 selstart(int col, int row, int snap)
	48 {
	49 @@ -2025,16 +2040,18 @@ externalpipe(const Arg *arg)
	50 /* ignore sigpipe for now, in case child exists early */
	51 oldsigpipe = signal(SIGPIPE, SIG_IGN);
	52 newline = 0;
	53 - for (n = 0; n < term.row; n++) {
	54 - bp = term.line[n];
	55 - lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
	56 + for (n = 0; n <= HISTSIZE + 2; n++) {
	57 + bp = TLINE_HIST(n);
	58 + lastpos = MIN(tlinehistlen(n) + 1, term.col) - 1;
	59 if (lastpos < 0)
	60 break;
	61 + if (lastpos == 0)
	62 + continue;
	63 end = &bp[lastpos + 1];
	64 for (; bp < end; ++bp)
	65 if (xwrite(to[1], buf, utf8encode(bp->u, buf)) …
	66 break;
	67 - if ((newline = term.line[n][lastpos].mode & ATTR_WRAP))
	68 + if ((newline = TLINE_HIST(n)[lastpos].mode & ATTR_WRAP))
	69 continue;
	70 if (xwrite(to[1], "\n", 1) < 0)
	71 break;
	72 --
	73 2.26.2
	74