added externalpipe patch

st-anysize-20220718-baa9357.diff

@@ -1,164 +0,0 @@
-From 8dcdc4b21a73268e167d98aa30f24315c7f3b7ff Mon Sep 17 00:00:00 2001
-From: Bakkeby <bakkeby@gmail.com>
-Date: Mon, 18 Jul 2022 16:52:03 +0200
-Subject: [PATCH] Adding anysize patch
-
----
- x.c | 56 ++++++++++++++++++++++++++++++--------------------------
- 1 file changed, 30 insertions(+), 26 deletions(-)
-
-diff --git a/x.c b/x.c
-index 2a3bd38..f534347 100644
---- a/x.c
-+++ b/x.c
-@@ -81,6 +81,7 @@ typedef XftGlyphFontSpec GlyphFontSpec;
- typedef struct {
- 	int tw, th; /* tty width and height */
- 	int w, h; /* window width and height */
-+	int hborderpx, vborderpx;
- 	int ch; /* char height */
- 	int cw; /* char width  */
- 	int mode; /* window state/mode flags */
-@@ -331,7 +332,7 @@ ttysend(const Arg *arg)
- int
- evcol(XEvent *e)
- {
--	int x = e->xbutton.x - borderpx;
-+	int x = e->xbutton.x - win.hborderpx;
- 	LIMIT(x, 0, win.tw - 1);
- 	return x / win.cw;
- }
-@@ -339,7 +340,7 @@ evcol(XEvent *e)
- int
- evrow(XEvent *e)
- {
--	int y = e->xbutton.y - borderpx;
-+	int y = e->xbutton.y - win.vborderpx;
- 	LIMIT(y, 0, win.th - 1);
- 	return y / win.ch;
- }
-@@ -739,6 +740,9 @@ cresize(int width, int height)
- 	col = MAX(1, col);
- 	row = MAX(1, row);
- 
-+	win.hborderpx = (win.w - col * win.cw) / 2;
-+	win.vborderpx = (win.h - row * win.ch) / 2;
-+
- 	tresize(col, row);
- 	xresize(col, row);
- 	ttyresize(win.tw, win.th);
-@@ -869,8 +873,8 @@ xhints(void)
- 	sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
- 	sizeh->height = win.h;
- 	sizeh->width = win.w;
--	sizeh->height_inc = win.ch;
--	sizeh->width_inc = win.cw;
-+	sizeh->height_inc = 1;
-+	sizeh->width_inc = 1;
- 	sizeh->base_height = 2 * borderpx;
- 	sizeh->base_width = 2 * borderpx;
- 	sizeh->min_height = win.ch + 2 * borderpx;
-@@ -1152,8 +1156,8 @@ xinit(int cols, int rows)
- 	xloadcols();
- 
- 	/* adjust fixed window geometry */
--	win.w = 2 * borderpx + cols * win.cw;
--	win.h = 2 * borderpx + rows * win.ch;
-+	win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
-+	win.h = 2 * win.vborderpx + 2 * borderpx + rows * win.ch;
- 	if (xw.gm & XNegative)
- 		xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
- 	if (xw.gm & YNegative)
-@@ -1242,7 +1246,7 @@ xinit(int cols, int rows)
- int
- xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
- {
--	float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
-+	float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
- 	ushort mode, prevmode = USHRT_MAX;
- 	Font *font = &dc.font;
- 	int frcflags = FRC_NORMAL;
-@@ -1375,7 +1379,7 @@ void
- xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
- {
- 	int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
--	int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
-+	int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
- 	    width = charlen * win.cw;
- 	Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
- 	XRenderColor colfg, colbg;
-@@ -1465,17 +1469,17 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
- 
- 	/* Intelligent cleaning up of the borders. */
- 	if (x == 0) {
--		xclear(0, (y == 0)? 0 : winy, borderpx,
-+		xclear(0, (y == 0)? 0 : winy, win.hborderpx,
- 			winy + win.ch +
--			((winy + win.ch >= borderpx + win.th)? win.h : 0));
-+			((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
- 	}
--	if (winx + width >= borderpx + win.tw) {
-+	if (winx + width >= win.hborderpx + win.tw) {
- 		xclear(winx + width, (y == 0)? 0 : winy, win.w,
--			((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
-+			((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
- 	}
- 	if (y == 0)
--		xclear(winx, 0, winx + width, borderpx);
--	if (winy + win.ch >= borderpx + win.th)
-+		xclear(winx, 0, winx + width, win.vborderpx);
-+	if (winy + win.ch >= win.vborderpx + win.th)
- 		xclear(winx, winy + win.ch, winx + width, win.h);
- 
- 	/* Clean up the region we want to draw to. */
-@@ -1569,35 +1573,35 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
- 		case 3: /* Blinking Underline */
- 		case 4: /* Steady Underline */
- 			XftDrawRect(xw.draw, &drawcol,
--					borderpx + cx * win.cw,
--					borderpx + (cy + 1) * win.ch - \
-+					win.hborderpx + cx * win.cw,
-+					win.vborderpx + (cy + 1) * win.ch - \
- 						cursorthickness,
- 					win.cw, cursorthickness);
- 			break;
- 		case 5: /* Blinking bar */
- 		case 6: /* Steady bar */
- 			XftDrawRect(xw.draw, &drawcol,
--					borderpx + cx * win.cw,
--					borderpx + cy * win.ch,
-+					win.hborderpx + cx * win.cw,
-+					win.vborderpx + cy * win.ch,
- 					cursorthickness, win.ch);
- 			break;
- 		}
- 	} else {
- 		XftDrawRect(xw.draw, &drawcol,
--				borderpx + cx * win.cw,
--				borderpx + cy * win.ch,
-+				win.hborderpx + cx * win.cw,
-+				win.vborderpx + cy * win.ch,
- 				win.cw - 1, 1);
- 		XftDrawRect(xw.draw, &drawcol,
--				borderpx + cx * win.cw,
--				borderpx + cy * win.ch,
-+				win.hborderpx + cx * win.cw,
-+				win.vborderpx + cy * win.ch,
- 				1, win.ch - 1);
- 		XftDrawRect(xw.draw, &drawcol,
--				borderpx + (cx + 1) * win.cw - 1,
--				borderpx + cy * win.ch,
-+				win.hborderpx + (cx + 1) * win.cw - 1,
-+				win.vborderpx + cy * win.ch,
- 				1, win.ch - 1);
- 		XftDrawRect(xw.draw, &drawcol,
--				borderpx + cx * win.cw,
--				borderpx + (cy + 1) * win.ch - 1,
-+				win.hborderpx + cx * win.cw,
-+				win.vborderpx + (cy + 1) * win.ch - 1,
- 				win.cw, 1);
- 	}
- }
--- 
-2.37.1
-

st-externalpipe-0.8.4.diff

@@ -0,0 +1,92 @@
+diff --git a/st.c b/st.c
+index 76b7e0d..0e9a614 100644
+--- a/st.c
++++ b/st.c
+@@ -723,8 +723,14 @@ sigchld(int a)
+ 	if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
+ 		die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
+ 
+-	if (pid != p)
++	if (pid != p) {
++		if (p == 0 && wait(&stat) < 0)
++			die("wait: %s\n", strerror(errno));
++
++		/* reinstall sigchld handler */
++		signal(SIGCHLD, sigchld);
+ 		return;
++	}
+ 
+ 	if (WIFEXITED(stat) && WEXITSTATUS(stat))
+ 		die("child exited with status %d\n", WEXITSTATUS(stat));
+@@ -1926,6 +1932,59 @@ strparse(void)
+ 	}
+ }
+ 
++void
++externalpipe(const Arg *arg)
++{
++	int to[2];
++	char buf[UTF_SIZ];
++	void (*oldsigpipe)(int);
++	Glyph *bp, *end;
++	int lastpos, n, newline;
++
++	if (pipe(to) == -1)
++		return;
++
++	switch (fork()) {
++	case -1:
++		close(to[0]);
++		close(to[1]);
++		return;
++	case 0:
++		dup2(to[0], STDIN_FILENO);
++		close(to[0]);
++		close(to[1]);
++		execvp(((char **)arg->v)[0], (char **)arg->v);
++		fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
++		perror("failed");
++		exit(0);
++	}
++
++	close(to[0]);
++	/* 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;
++	}
++	if (newline)
++		(void)xwrite(to[1], "\n", 1);
++	close(to[1]);
++	/* restore */
++	signal(SIGPIPE, oldsigpipe);
++}
++
+ void
+ strdump(void)
+ {
+diff --git a/st.h b/st.h
+index 3d351b6..392b64e 100644
+--- a/st.h
++++ b/st.h
+@@ -81,6 +81,7 @@ void die(const char *, ...);
+ void redraw(void);
+ void draw(void);
+ 
++void externalpipe(const Arg *);
+ void printscreen(const Arg *);
+ void printsel(const Arg *);
+ void sendbreak(const Arg *);

st.c

@@ -718,8 +718,14 @@ sigchld(int a)
 	if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
 		die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
 
-	if (pid != p)
+	if (pid != p) {
+		if (p == 0 && wait(&stat) < 0)
+			die("wait: %s\n", strerror(errno));
+
+		/* reinstall sigchld handler */
+		signal(SIGCHLD, sigchld);
 		return;
+	}
 
 	if (WIFEXITED(stat) && WEXITSTATUS(stat))
 		die("child exited with status %d\n", WEXITSTATUS(stat));
@@ -1981,6 +1987,59 @@ strparse(void)
 	}
 }
 
+void
+externalpipe(const Arg *arg)
+{
+	int to[2];
+	char buf[UTF_SIZ];
+	void (*oldsigpipe)(int);
+	Glyph *bp, *end;
+	int lastpos, n, newline;
+
+	if (pipe(to) == -1)
+		return;
+
+	switch (fork()) {
+	case -1:
+		close(to[0]);
+		close(to[1]);
+		return;
+	case 0:
+		dup2(to[0], STDIN_FILENO);
+		close(to[0]);
+		close(to[1]);
+		execvp(((char **)arg->v)[0], (char **)arg->v);
+		fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
+		perror("failed");
+		exit(0);
+	}
+
+	close(to[0]);
+	/* 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;
+	}
+	if (newline)
+		(void)xwrite(to[1], "\n", 1);
+	close(to[1]);
+	/* restore */
+	signal(SIGPIPE, oldsigpipe);
+}
+
 void
 strdump(void)
 {

st.h

@@ -81,6 +81,7 @@ void die(const char *, ...);
 void redraw(void);
 void draw(void);
 
+void externalpipe(const Arg *);
 void printscreen(const Arg *);
 void printsel(const Arg *);
 void sendbreak(const Arg *);

x.c

@@ -81,7 +81,6 @@ typedef XftGlyphFontSpec GlyphFontSpec;
 typedef struct {
 	int tw, th; /* tty width and height */
 	int w, h; /* window width and height */
-	int hborderpx, vborderpx;
 	int ch; /* char height */
 	int cw; /* char width  */
 	int mode; /* window state/mode flags */
@@ -332,7 +331,7 @@ ttysend(const Arg *arg)
 int
 evcol(XEvent *e)
 {
-	int x = e->xbutton.x - win.hborderpx;
+	int x = e->xbutton.x - borderpx;
 	LIMIT(x, 0, win.tw - 1);
 	return x / win.cw;
 }
@@ -340,7 +339,7 @@ evcol(XEvent *e)
 int
 evrow(XEvent *e)
 {
-	int y = e->xbutton.y - win.vborderpx;
+	int y = e->xbutton.y - borderpx;
 	LIMIT(y, 0, win.th - 1);
 	return y / win.ch;
 }
@@ -740,9 +739,6 @@ cresize(int width, int height)
 	col = MAX(1, col);
 	row = MAX(1, row);
 
-	win.hborderpx = (win.w - col * win.cw) / 2;
-	win.vborderpx = (win.h - row * win.ch) / 2;
-
 	tresize(col, row);
 	xresize(col, row);
 	ttyresize(win.tw, win.th);
@@ -873,8 +869,8 @@ xhints(void)
 	sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
 	sizeh->height = win.h;
 	sizeh->width = win.w;
-	sizeh->height_inc = 1;
+	sizeh->height_inc = win.ch;
-	sizeh->width_inc = 1;
+	sizeh->width_inc = win.cw;
 	sizeh->base_height = 2 * borderpx;
 	sizeh->base_width = 2 * borderpx;
 	sizeh->min_height = win.ch + 2 * borderpx;
@@ -1156,8 +1152,8 @@ xinit(int cols, int rows)
 	xloadcols();
 
 	/* adjust fixed window geometry */
-	win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
+	win.w = 2 * borderpx + cols * win.cw;
-	win.h = 2 * win.vborderpx + 2 * borderpx + rows * win.ch;
+	win.h = 2 * borderpx + rows * win.ch;
 	if (xw.gm & XNegative)
 		xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
 	if (xw.gm & YNegative)
@@ -1246,7 +1242,7 @@ xinit(int cols, int rows)
 int
 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
 {
-	float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
+	float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
 	ushort mode, prevmode = USHRT_MAX;
 	Font *font = &dc.font;
 	int frcflags = FRC_NORMAL;
@@ -1379,7 +1375,7 @@ void
 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
 {
 	int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
-	int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
+	int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
 	    width = charlen * win.cw;
 	Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
 	XRenderColor colfg, colbg;
@@ -1469,17 +1465,17 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 	/* Intelligent cleaning up of the borders. */
 	if (x == 0) {
-		xclear(0, (y == 0)? 0 : winy, win.hborderpx,
+		xclear(0, (y == 0)? 0 : winy, borderpx,
 			winy + win.ch +
-			((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
+			((winy + win.ch >= borderpx + win.th)? win.h : 0));
 	}
-	if (winx + width >= win.hborderpx + win.tw) {
+	if (winx + width >= borderpx + win.tw) {
 		xclear(winx + width, (y == 0)? 0 : winy, win.w,
-			((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
+			((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
 	}
 	if (y == 0)
-		xclear(winx, 0, winx + width, win.vborderpx);
+		xclear(winx, 0, winx + width, borderpx);
-	if (winy + win.ch >= win.vborderpx + win.th)
+	if (winy + win.ch >= borderpx + win.th)
 		xclear(winx, winy + win.ch, winx + width, win.h);
 
 	/* Clean up the region we want to draw to. */
@@ -1573,35 +1569,35 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
 		case 3: /* Blinking Underline */
 		case 4: /* Steady Underline */
 			XftDrawRect(xw.draw, &drawcol,
-					win.hborderpx + cx * win.cw,
+					borderpx + cx * win.cw,
-					win.vborderpx + (cy + 1) * win.ch - \
+					borderpx + (cy + 1) * win.ch - \
 						cursorthickness,
 					win.cw, cursorthickness);
 			break;
 		case 5: /* Blinking bar */
 		case 6: /* Steady bar */
 			XftDrawRect(xw.draw, &drawcol,
-					win.hborderpx + cx * win.cw,
+					borderpx + cx * win.cw,
-					win.vborderpx + cy * win.ch,
+					borderpx + cy * win.ch,
 					cursorthickness, win.ch);
 			break;
 		}
 	} else {
 		XftDrawRect(xw.draw, &drawcol,
-				win.hborderpx + cx * win.cw,
+				borderpx + cx * win.cw,
-				win.vborderpx + cy * win.ch,
+				borderpx + cy * win.ch,
 				win.cw - 1, 1);
 		XftDrawRect(xw.draw, &drawcol,
-				win.hborderpx + cx * win.cw,
+				borderpx + cx * win.cw,
-				win.vborderpx + cy * win.ch,
+				borderpx + cy * win.ch,
 				1, win.ch - 1);
 		XftDrawRect(xw.draw, &drawcol,
-				win.hborderpx + (cx + 1) * win.cw - 1,
+				borderpx + (cx + 1) * win.cw - 1,
-				win.vborderpx + cy * win.ch,
+				borderpx + cy * win.ch,
 				1, win.ch - 1);
 		XftDrawRect(xw.draw, &drawcol,
-				win.hborderpx + cx * win.cw,
+				borderpx + cx * win.cw,
-				win.vborderpx + (cy + 1) * win.ch - 1,
+				borderpx + (cy + 1) * win.ch - 1,
 				win.cw, 1);
 	}
 }