shithub: puzzles

Info  •  Files  •  Log  •  Branches

valgrind spotted this array underrun. I wonder if this might have
been causing some of Verity's nonreproducible weirdnesses.

[originally from svn r5884]

--- a/mines.c

+++ b/mines.c

@@ -1086,7 +1086,7 @@

 			 * next. Backtrack cursor to the nearest 1,

 			 * change it to a 0 and continue.

 			 */

-			while (cursor-- >= 0 && !setused[cursor]);

+			while (--cursor >= 0 && !setused[cursor]);

 			if (cursor >= 0) {

 			    assert(setused[cursor]);