mirror of
git://git.tartarus.org/simon/puzzles.git
synced 2025-04-20 23:51:29 -07:00
b3d4a41979
If we start seeing state records in a save file (MOVE, SOLVE, or RESTART), we should already have seen STATEPOS, so emit an error if not. This avoids the situation where we overrun the end of the state array because we're continuing loading states in the hope a STATEPOS will come along. I've also added an assertion that we're not overrunning the state array for added paranoia. An earlier version of this fix just removed the test for data.statepos at the head of the loop, but that's wrong for a file that only has the initial state. This bug can be demonstrated by building Bridges with AddressSanitizer and loading this save file: SAVEFILE:41:Simon Tatham's Portable Puzzle Collection VERSION :1:1 GAME :7:Bridges PARAMS :13:7x7i30e10m2d0 CPARAMS :13:7x7i30e10m2d0 DESC :24:a4b4a1g1a2a8a4a4m2b2b3e3 NSTATES :1:2 MOVE :10:L1,0,4,0,1 MOVE :10:L1,0,4,0,2
This is the README accompanying the source code to Simon Tatham's puzzle collection. The collection's web site is at <https://www.chiark.greenend.org.uk/~sgtatham/puzzles/>. The puzzle collection is built using CMake <https://cmake.org/>. To compile in the simplest way (on any of Linux, Windows or Mac), run these commands in the source directory: cmake . cmake --build . The manual is provided in Windows Help format for the Windows build; in text format for anyone who needs it; and in HTML for the Mac OS X application and for the web site. It is generated from a Halibut source file (puzzles.but), which is the preferred form for modification. To generate the manual in other formats, rebuild it, or learn about Halibut, visit the Halibut website at <https://www.chiark.greenend.org.uk/~sgtatham/halibut/>.