From 1377220ccf3362dd08832c711ca14a1fe3381697 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Tue, 11 Jan 2005 16:52:47 +0000 Subject: (add_tab_stop): Properly diagnose a tabstop list with decreasing values. --- src/unexpand.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/unexpand.c b/src/unexpand.c index 27fc6fec5..1341e437c 100644 --- a/src/unexpand.c +++ b/src/unexpand.c @@ -1,5 +1,5 @@ /* unexpand - convert blanks to tabs - Copyright (C) 89, 91, 1995-2004 Free Software Foundation, Inc. + Copyright (C) 89, 91, 1995-2005 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -149,8 +149,8 @@ Mandatory arguments to long options are mandatory for short options too.\n\ static void add_tab_stop (uintmax_t tabval) { - uintmax_t column_width = - tabval - (first_free_tab ? tab_list[first_free_tab - 1] : 0); + uintmax_t prev_column = first_free_tab ? tab_list[first_free_tab - 1] : 0; + uintmax_t column_width = prev_column <= tabval ? tabval - prev_column : 0; if (first_free_tab == n_tabs_allocated) tab_list = x2nrealloc (tab_list, &n_tabs_allocated, sizeof *tab_list); -- cgit v1.2.3-70-g09d2