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const std = @import("std");
const common = @import("common.zig");
comptime {
@export(&bzero, .{ .name = "bzero", .linkage = common.linkage, .visibility = common.visibility });
}
fn bzero(s: *anyopaque, n: usize) callconv(.c) void {
const s_cast: [*]u8 = @ptrCast(s);
@memset(s_cast[0..n], 0);
}
test bzero {
var array: [10]u8 = [_]u8{ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' };
var a = std.mem.zeroes([array.len]u8);
a[9] = '0';
bzero(&array[0], 9);
try std.testing.expect(std.mem.eql(u8, &array, &a));
}
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