diff options
Diffstat (limited to 'pith/charconv/utf8.c')
| -rw-r--r-- | pith/charconv/utf8.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pith/charconv/utf8.c b/pith/charconv/utf8.c index b5ce6255..7dd50fdd 100644 --- a/pith/charconv/utf8.c +++ b/pith/charconv/utf8.c @@ -2374,6 +2374,7 @@ line_paint(int offset, /* current dot offset into vl */ * is double wide. We don't want the offset to be under that > character.) */ for(w = (*width_a_to_b)(displ->vl, displ->vbase, offset); + displ->dwid > 1 && w + 2 + (displ->vbase ? 1 : 0) > displ->dwid; w = (*width_a_to_b)(displ->vl, displ->vbase, offset)){ /* @@ -2431,7 +2432,7 @@ line_paint(int offset, /* current dot offset into vl */ vlast = displ->vused-1; /* end */ w = (*width_a_to_b)(displ->vl, vfirst, vlast); - if(w + dfirst > displ->dwid){ /* off window right */ + if(displ->dwid > 0 && w + dfirst > displ->dwid){ /* off window right */ /* find last ucs character to be printed */ while(w + dfirst > displ->dwid - 1) /* -1 for > */ |