Mercurial > vim
view runtime/macros/maze/mazeclean.c @ 20158:94f05de75e9f v8.2.0634
patch 8.2.0634: crash with null partial and blob
Commit: https://github.com/vim/vim/commit/92b83ccfda7a1d654ccaaf161a9c8a8e01fbcf76
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Apr 25 15:24:44 2020 +0200
patch 8.2.0634: crash with null partial and blob
Problem: Crash with null partial and blob.
Solution: Check for NULL pointer. Add more tests. (Yegappan Lakshmanan,
closes #5984)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 25 Apr 2020 15:30:04 +0200 |
parents | 3fc0f57ecb91 |
children |
line wrap: on
line source
/* * Cleaned-up version of the maze program. * Doesn't look as nice, but should work with all C compilers. * Sascha Wilde, October 2003 */ #include <stdio.h> #include <stdlib.h> char *M, A, Z, E = 40, line[80], T[3]; int main (C) { for (M = line + E, *line = A = scanf ("%d", &C); --E; line[E] = M[E] = E) printf ("._"); for (; (A -= Z = !Z) || (printf ("\n|"), A = 39, C--); Z || printf (T)) T[Z] = Z[A - (E = A[line - Z]) && !C & A == M[A] | RAND_MAX/3 < rand () || !C & !Z ? line[M[E] = M[A]] = E, line[M[A] = A - Z] = A, "_." : " |"]; return 0; }