X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/6b7f4cba0562fe86b9c921acd184b6a12e1e41e9..c259a13d673caca062a1e2244c1d70ed60b1926c:/terminal.c

diff --git a/terminal.c b/terminal.c
index 5efe4842..083b0fb4 100644
--- a/terminal.c
+++ b/terminal.c
@@ -850,26 +850,29 @@ static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
 	     */
 	    seltop = sb ? -term->savelines : topline;
 
-	    if (term->selstart.y >= seltop &&
-		term->selstart.y <= botline) {
-		term->selstart.y--;
-		if (term->selstart.y < seltop) {
-		    term->selstart.y = seltop;
-		    term->selstart.x = 0;
+	    if (term->selstate != NO_SELECTION) {
+		if (term->selstart.y >= seltop &&
+		    term->selstart.y <= botline) {
+		    term->selstart.y--;
+		    if (term->selstart.y < seltop) {
+			term->selstart.y = seltop;
+			term->selstart.x = 0;
+		    }
 		}
-	    }
-	    if (term->selend.y >= seltop && term->selend.y <= botline) {
-		term->selend.y--;
-		if (term->selend.y < seltop) {
-		    term->selend.y = seltop;
-		    term->selend.x = 0;
+		if (term->selend.y >= seltop && term->selend.y <= botline) {
+		    term->selend.y--;
+		    if (term->selend.y < seltop) {
+			term->selend.y = seltop;
+			term->selend.x = 0;
+		    }
 		}
-	    }
-	    if (term->selanchor.y >= seltop && term->selanchor.y <= botline) {
-		term->selanchor.y--;
-		if (term->selanchor.y < seltop) {
-		    term->selanchor.y = seltop;
-		    term->selanchor.x = 0;
+		if (term->selanchor.y >= seltop &&
+		    term->selanchor.y <= botline) {
+		    term->selanchor.y--;
+		    if (term->selanchor.y < seltop) {
+			term->selanchor.y = seltop;
+			term->selanchor.x = 0;
+		    }
 		}
 	    }
 
@@ -3796,9 +3799,13 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
 void term_copyall(Terminal *term)
 {
     pos top;
+    pos bottom;
+    tree234 *screen = term->screen;
     top.y = -sblines(term);
     top.x = 0;
-    clipme(term, top, term->curs, 0, TRUE);
+    bottom.y = find_last_nonempty_line(term, screen);
+    bottom.x = term->cols;
+    clipme(term, top, bottom, 0, TRUE);
 }
 
 /*
@@ -4792,8 +4799,6 @@ int term_ldisc(Terminal *term, int option)
 
 int term_data(Terminal *term, int is_stderr, const char *data, int len)
 {
-    assert(len > 0);
-
     bufchain_add(&term->inbuf, data, len);
 
     if (!term->in_term_out) {