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Catch invalid cursor positions - scroll - scrollbackbuffer program for st |
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git clone git://git.suckless.org/scroll |
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--- |
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commit a4faed60e37174f43dce47e099a8b55b1f1a5556 |
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parent 129f09a92636f53610b2dd5d1e02ced0ff765615 |
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Author: Jochen Sprickerhof <[email protected]> |
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Date: Fri, 17 Apr 2020 23:33:34 +0200 |
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Catch invalid cursor positions |
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Diffstat: |
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M scroll.c | 3 +++ |
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1 file changed, 3 insertions(+), 0 deletions(-) |
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--- |
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diff --git a/scroll.c b/scroll.c |
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@@ -232,6 +232,9 @@ getcursorposition(int *x, int *y) |
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if (sscanf(input, "\033[%d;%dR", x, y) != 2) |
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die("parsing cursor position"); |
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+ |
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+ if (x <= 0 || y <= 0) |
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+ die("invalid cursor position"); |
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} |
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void |
