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top: swat bug affecting batch mode and width provision

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Normally, the internally tracked 'Screen_cols' can not
exceed the lessor of 512 or actual screen width. There
was one case, however, where that 512 byte upper limit
was no longer properly imposed as it should have been.

When operating in 'Batch' mode the actual screen width
was allowed to be exceeded when the optional -w switch
was also used. But, it should never have exceeded 512.

This patch ensures the upper limit is always observed.

Reference(s):
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=721204

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2013-08-29 00:00:00 -05:00 committed by Craig Small
parent 819ede1a6b
commit 06c19f5ba4
1 changed files with 1 additions and 0 deletions
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top/top.c
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@ -1792,6 +1792,7 @@ static void adj_geometry (void) {
if (w_cols && w_cols < W_MIN_COL) w_cols = W_MIN_COL;
if (w_rows && w_rows < W_MIN_ROW) w_rows = W_MIN_ROW;
}
if (w_cols > SCREENMAX) w_cols = SCREENMAX;
w_set = 1;
}