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Fix recently introduced memory corrupter in path()

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path() failed to normalize coordinate argument for deltx() and
delty().  This could subscript map[] and mapbuf[] out of bounds.
Broken in commit 3ca88271.
This commit is contained in:
Markus Armbruster 2008-08-23 10:42:22 -04:00
parent 99284a9beb
commit 1ac95e0ed7
1 changed files with 2 additions and 2 deletions
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4
src/lib/commands/path.c
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@ -103,8 +103,8 @@ path(void)
memcpy(&map[delty(&ns.range, cy)][deltx(&ns.range, cx) * 2], memcpy(&map[delty(&ns.range, cy)][deltx(&ns.range, cx) * 2],
routech[i][0], routech[i][0],
3); 3);
cx += diroff[i][0]; cx = xnorm(cx + diroff[i][0]);
cy += diroff[i][1]; cy = ynorm(cy + diroff[i][1]);
} }
border(&relrange, " ", " "); border(&relrange, " ", " ");
while (nxtsct(&ns, &sect)) { while (nxtsct(&ns, &sect)) {