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| author | Fazlul Shahriar <fshahriar@gmail.com> | 2018-11-13 23:11:31 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2018-11-13 23:11:31 -0500 |
| commit | 76b9347a5fa3a0970527c6ee1b97ef1c714f636b (patch) | |
| tree | 93589623fdddb505ab16caa38d25d49d700ce546 /src/cmd/acme | |
| parent | 2419c9343827a679353a8c0a44fd6e0e3e631a3c (diff) | |
| download | plan9port-76b9347a5fa3a0970527c6ee1b97ef1c714f636b.tar.gz plan9port-76b9347a5fa3a0970527c6ee1b97ef1c714f636b.tar.bz2 plan9port-76b9347a5fa3a0970527c6ee1b97ef1c714f636b.zip | |
acme: avoid division by zero when resizing col (#189)
To reproduce, create a column with at least two windows and resize
acme to have almost zero height.
Diffstat (limited to 'src/cmd/acme')
| -rw-r--r-- | src/cmd/acme/cols.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/cmd/acme/cols.c b/src/cmd/acme/cols.c index 10e014ee..b1fe23ba 100644 --- a/src/cmd/acme/cols.c +++ b/src/cmd/acme/cols.c @@ -250,8 +250,12 @@ colresize(Column *c, Rectangle r) w->maxlines = 0; if(i == c->nw-1) r1.max.y = r.max.y; - else - r1.max.y = r1.min.y+(Dy(w->r)+Border)*Dy(r)/Dy(c->r); + else{ + r1.max.y = r1.min.y; + if(Dy(c->r) != 0){ + r1.max.y += (Dy(w->r)+Border)*Dy(r)/Dy(c->r); + } + } r1.max.y = max(r1.max.y, r1.min.y + Border+font->height); r2 = r1; r2.max.y = r2.min.y+Border; |