X-Git-Url: https://jasonwoof.com/gitweb/?p=st.git;a=blobdiff_plain;f=st.c;h=6a68c3c92d8d8e365b11a21fdc53f83ffa1b36d1;hp=c61b90ab8afb26f0f2e21b031923d66dd11a42ee;hb=4d14d97547d335974e98aa612ac5b4fcfc25e1d9;hpb=86633ada91d1c7d8be1bf0398caff8a62fb1b805

diff --git a/st.c b/st.c
index c61b90a..6a68c3c 100644
--- a/st.c
+++ b/st.c
@@ -947,6 +947,8 @@ getsel(void) {
 			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
 		}
 		last = &term.line[y][MIN(lastx, linelen-1)];
+		while(last >= gp && last->c[0] == ' ')
+			--last;
 
 		for( ; gp <= last; ++gp) {
 			if(gp->mode & ATTR_WDUMMY)
@@ -1146,7 +1148,7 @@ die(const char *errstr, ...) {
 
 void
 execsh(void) {
-	char **args, *sh;
+	char **args, *sh, *prog;
 	const struct passwd *pw;
 	char buf[sizeof(long) * 8 + 1];
 
@@ -1158,13 +1160,18 @@ execsh(void) {
 			die("who are you?\n");
 	}
 
-	if (utmp)
-		sh = utmp;
-	else if (pw->pw_shell[0])
-		sh = pw->pw_shell;
+	if (!(sh = getenv("SHELL"))) {
+		sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
+	}
+
+	if(opt_cmd)
+		prog = opt_cmd[0];
+	else if(utmp)
+		prog = utmp;
 	else
-		sh = shell;
-	args = (opt_cmd) ? opt_cmd : (char *[]){sh, NULL};
+		prog = sh;
+	args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
+
 	snprintf(buf, sizeof(buf), "%lu", xw.win);
 
 	unsetenv("COLUMNS");
@@ -1172,7 +1179,7 @@ execsh(void) {
 	unsetenv("TERMCAP");
 	setenv("LOGNAME", pw->pw_name, 1);
 	setenv("USER", pw->pw_name, 1);
-	setenv("SHELL", args[0], 1);
+	setenv("SHELL", sh, 1);
 	setenv("HOME", pw->pw_dir, 1);
 	setenv("TERM", termname, 1);
 	setenv("WINDOWID", buf, 1);
@@ -1184,8 +1191,8 @@ execsh(void) {
 	signal(SIGTERM, SIG_DFL);
 	signal(SIGALRM, SIG_DFL);
 
-	execvp(args[0], args);
-	exit(EXIT_FAILURE);
+	execvp(prog, args);
+	_exit(EXIT_FAILURE);
 }
 
 void
@@ -2574,7 +2581,10 @@ tputc(char *c, int len) {
 		unicodep = ascii = *c;
 	} else {
 		utf8decode(c, &unicodep, UTF_SIZ);
-		width = wcwidth(unicodep);
+		if ((width = wcwidth(unicodep)) == -1) {
+			c = "\357\277\275";	/* UTF_INVALID */
+			width = 1;
+		}
 		control = ISCONTROLC1(unicodep);
 		ascii = unicodep;
 	}
@@ -2663,13 +2673,16 @@ tputc(char *c, int len) {
 	if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
 		gp->mode |= ATTR_WRAP;
 		tnewline(1);
+		gp = &term.line[term.c.y][term.c.x];
 	}
 
 	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
 		memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph));
 
-	if(term.c.x+width > term.col)
+	if(term.c.x+width > term.col) {
 		tnewline(1);
+		gp = &term.line[term.c.y][term.c.x];
+	}
 
 	tsetchar(c, &term.c.attr, term.c.x, term.c.y);
 
@@ -3134,8 +3147,8 @@ xinit(void) {
 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	xw.attrs.colormap = xw.cmap;
 
-	parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
-			XRootWindow(xw.dpy, xw.scr);
+	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+		parent = XRootWindow(xw.dpy, xw.scr);
 	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
 			xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
@@ -3912,6 +3925,9 @@ run(void) {
 							TIMEDIFF(now,
 								lastblink)));
 					}
+					drawtimeout.tv_sec = \
+					    drawtimeout.tv_nsec / 1E9;
+					drawtimeout.tv_nsec %= (long)1E9;
 				} else {
 					tv = NULL;
 				}