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Fix a potential segfault

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_Apparently_ there are "rules" that say we can't just modify const data
in place >.>
This commit is contained in:
ktkk 2025-12-04 15:32:18 +00:00
parent fe3b71908e
commit c32fe79d4b
1 changed files with 4 additions and 2 deletions
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6
src/days/day04.zig
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@ -2,7 +2,7 @@ const std = @import("std");
pub const title = "Day 04: Printing Department"; pub const title = "Day 04: Printing Department";
pub fn run(_: std.mem.Allocator) !void { pub fn run(allocator: std.mem.Allocator) !void {
const initial_input = @embedFile("./input/day04.txt"); const initial_input = @embedFile("./input/day04.txt");
//const initial_input = //const initial_input =
// \\..@@.@@@@. // \\..@@.@@@@.
@ -17,7 +17,9 @@ pub fn run(_: std.mem.Allocator) !void {
// \\@.@.@@@.@. // \\@.@.@@@.@.
// ; // ;
const input: []u8 = @constCast(initial_input); const input = try allocator.alloc(u8, initial_input.len);
defer allocator.free(input);
@memcpy(input, initial_input);
var accumulator: u32 = 0; var accumulator: u32 = 0;