Mercurial > vim
annotate 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 |
| rev | line source |
|---|---|
| 7 | 1 /* |
| 2 * Cleaned-up version of the maze program. | |
| 3 * Doesn't look as nice, but should work with all C compilers. | |
| 4 * Sascha Wilde, October 2003 | |
| 5 */ | |
| 6 #include <stdio.h> | |
| 7 #include <stdlib.h> | |
| 8 | |
| 9 char *M, A, Z, E = 40, line[80], T[3]; | |
| 10 int | |
| 11 main (C) | |
| 12 { | |
| 13 for (M = line + E, *line = A = scanf ("%d", &C); --E; line[E] = M[E] = E) | |
| 14 printf ("._"); | |
| 15 for (; (A -= Z = !Z) || (printf ("\n|"), A = 39, C--); Z || printf (T)) | |
| 16 T[Z] = Z[A - (E = A[line - Z]) && !C | |
| 17 & A == M[A] | |
| 18 | RAND_MAX/3 < rand () | |
| 19 || !C & !Z ? line[M[E] = M[A]] = E, line[M[A] = A - Z] = | |
| 20 A, "_." : " |"]; | |
| 21 return 0; | |
| 22 } |