commit fcfb26c37e218d01b0cfb8b960b7b186f9ee285e
from: Stefan Sperling <stsp@stsp.name>
via: Thomas Adam <thomas@xteddy.org>
date: Fri May 26 19:18:47 2023 UTC

fix 'tog log' display regression with long reference lists

When the terminal becomes smaller horizontally we did not properly
account for remaining columns and the log message of a commit could
overflow into the next line, garbling the display.

commit - 3785c9e59d01b1954a7478be06382ca98f097bb4
commit + fcfb26c37e218d01b0cfb8b960b7b186f9ee285e
blob - 7dce0c320b49b2d997e618585f826a965d125d27
blob + 9e373e9ea71a56438d94e21186e9dff1d7e6d312
--- tog/tog.c
+++ tog/tog.c
@@ -2509,7 +2509,7 @@ draw_commit(struct tog_view *view, struct got_commit_o
 	if (refs_str) {
 		char *newlogmsg;
 		wchar_t *ws;
-	
+
 		/*
 		 * The length of this wide-char sub-string will be
 		 * needed later for colorization.
@@ -2544,11 +2544,12 @@ draw_commit(struct tog_view *view, struct got_commit_o
 			wattr_on(view->window,
 			    COLOR_PAIR(tc->colorpair), NULL);
 		waddnwstr(view->window, &wlogmsg[scrollx],
-		    wrefstr_len - scrollx);
+		    MIN(logmsg_width, wrefstr_len - scrollx));
 		if (tc)
 			wattr_off(view->window,
 			    COLOR_PAIR(tc->colorpair), NULL);
-		waddwstr(view->window, &wlogmsg[wrefstr_len]);
+		if (col + MIN(logmsg_width, wrefstr_len - scrollx) < avail)
+			waddwstr(view->window, &wlogmsg[wrefstr_len]);
 	} else
 		waddwstr(view->window, &wlogmsg[scrollx]);
 	col += MAX(logmsg_width, 0);