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commit 682c36baeeebdb4888a6170b202bd68a1a967d76
parent f6eca21e35a8128be173496553bea71323f8b916
Author: . <chyleson165@disroot.org>
Date:   Sun, 15 Feb 2026 17:45:05 -0300

[st][PATCH] Add st-externalpipe-eternal-ringbuffer patch

Diffstat:
M
st.suckless.org/patches/externalpipe/index.md
 | 
6
+++++-
A
st.suckless.org/patches/externalpipe/st-externalpipe-eternal-ringbuffer-0.9.3.diff
 | 
40
++++++++++++++++++++++++++++++++++++++++

2 files changed, 45 insertions(+), 1 deletion(-)
diff --git a/st.suckless.org/patches/externalpipe/index.md b/st.suckless.org/patches/externalpipe/index.md
@@ -41,11 +41,15 @@ Download
 * [st-externalpipe-0.8.4.diff](st-externalpipe-0.8.4.diff)
 * [st-externalpipe-0.8.5.diff](st-externalpipe-0.8.5.diff)
 
-When using the scrollback patch, you can apply this patch ontop in order to use
+When using the scrollback patch, you can apply this patch on top in order to use
 externalpipe onto the entire terminal history:
 
 * [st-externalpipe-eternal-0.8.3.diff](st-externalpipe-eternal-0.8.3.diff)
 
+Apply this version of externalpipe-eternal if you're using scrollback-ringbuffer:
+
+* [st-externalpipe-eternal-ringbuffer-0.9.3.diff](st-externalpipe-eternal-ringbuffer-0.9.3.diff)
+
 Authors
 -------
 * Rob Pilling - <robpilling@gmail.com> (original, 0.8, git ports)
diff --git a/st.suckless.org/patches/externalpipe/st-externalpipe-eternal-ringbuffer-0.9.3.diff b/st.suckless.org/patches/externalpipe/st-externalpipe-eternal-ringbuffer-0.9.3.diff
@@ -0,0 +1,40 @@
+diff -up a/st.c b/st.c
+--- a/st.c	2026-02-12 14:56:55.248311919 -0300
++++ b/st.c	2026-02-12 14:36:36.827197795 -0300
+@@ -2513,21 +2513,21 @@ externalpipe(const Arg *arg)
+         /* ignore sigpipe for now, in case child exists early */
+         oldsigpipe = signal(SIGPIPE, SIG_IGN);
+         newline = 0;
+-	for (n = 0; n < term.row; n++) {
+-		bp = term.line[n];
+-		lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
+-                if (lastpos < 0)
+-                        break;
+-                end = &bp[lastpos + 1];
+-                for (; bp < end; ++bp)
+-                        if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
+-                                break;
+-		if ((newline = term.line[n][lastpos].mode & ATTR_WRAP))
+-                        continue;
+-                if (xwrite(to[1], "\n", 1) < 0)
+-                        break;
+-                newline = 0;
+-        }
++	int histlen = term.screen[0].cur < term.screen[0].size
++		? term.screen[0].cur
++		: term.screen[0].size;
++	int total = histlen + term.row;
++	for (int n = -histlen; n < term.row; n++) {
++		Line line = TLINE(n);
++		int len = tlinelen(n);
++		for (int i = 0; i < len; i++) {
++			char buf[UTF_SIZ];
++			if (xwrite(to[1], buf, utf8encode(line[i].u, buf)) < 0)
++				break;
++		}
++		if (len > 0 && !(line[len - 1].mode & ATTR_WRAP))
++			xwrite(to[1], "\n", 1);
++	}
+         if (newline)
+                 (void)xwrite(to[1], "\n", 1);
+         close(to[1]);