annotate runtime/macros/maze/mazeclean.c @ 19627:6b1564fcab92 v8.2.0370

patch 8.2.0370: the typebuf_was_filled flag is sometimes not reset Commit: https://github.com/vim/vim/commit/e49b4bb89505fad28cf89f0891aef3e2d397919e Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 11 13:01:40 2020 +0100 patch 8.2.0370: the typebuf_was_filled flag is sometimes not reset Problem: The typebuf_was_filled flag is sometimes not reset, which may cause a hang. Solution: Make sure typebuf_was_filled is reset when the typeahead buffer is empty.
author Bram Moolenaar <Bram@vim.org>
date Wed, 11 Mar 2020 13:15:04 +0100
parents 3fc0f57ecb91
children
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7
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1 /*
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2 * Cleaned-up version of the maze program.
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3 * Doesn't look as nice, but should work with all C compilers.
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4 * Sascha Wilde, October 2003
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5 */
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8
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9 char *M, A, Z, E = 40, line[80], T[3];
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10 int
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11 main (C)
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12 {
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13 for (M = line + E, *line = A = scanf ("%d", &C); --E; line[E] = M[E] = E)
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14 printf ("._");
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15 for (; (A -= Z = !Z) || (printf ("\n|"), A = 39, C--); Z || printf (T))
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16 T[Z] = Z[A - (E = A[line - Z]) && !C
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17 & A == M[A]
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18 | RAND_MAX/3 < rand ()
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19 || !C & !Z ? line[M[E] = M[A]] = E, line[M[A] = A - Z] =
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20 A, "_." : " |"];
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21 return 0;
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22 }