zig/test/standalone/run_cwd/check_file_exists.zig
mlugg 36499c251c std.Build.Step.Run: prefix relative path arguments with './'
This is necessary in two cases:

* On POSIX, the exe path (`argv[0]`) must contain a path separator
* Some programs might treat a file named e.g. `-foo` as a flag, which
  can be avoided by passing `./-foo`

Rather than detecting these two cases, just always include the prefix;
there's no harm in it.

Also, if the cwd is specified, include it in the manifest. If the user
has set the cwd of a Run step, it is clearly because this affects the
behavior of the executable somehow, so that cwd path should be a part of
the step's manifest.

Resolves: #24216
2025-06-18 22:45:05 +01:00

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Zig

pub fn main() !void {
var arena_state: std.heap.ArenaAllocator = .init(std.heap.page_allocator);
defer arena_state.deinit();
const arena = arena_state.allocator();
const args = try std.process.argsAlloc(arena);
if (args.len != 2) return error.BadUsage;
const path = args[1];
std.fs.cwd().access(path, .{}) catch return error.AccessFailed;
}
const std = @import("std");