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winwatch: prevent divide by zero if the window height is too small

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mischief 2014-01-08 20:52:40 -08:00
parent ce2487c3cc
commit 8319457a10
1 changed files with 2 additions and 0 deletions
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2
sys/src/cmd/winwatch.c
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@ -188,6 +188,8 @@ geometry(void)
z = 0;
rows = (Dy(screen->r)-2*MARGIN+PAD)/(font->height+PAD);
if(rows == 0)
rows = 1;
if(rows*cols < nwin || rows*cols >= nwin*2){
ncols = nwin <= 0 ? 1 : (nwin+rows-1)/rows;
if(ncols != cols){