stage2: Move WASI/Zig-specific selfExePath to introspect.zig

1 files changed, 0 insertions, 46 deletions

diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index f7a9249f1c..8f3a0de808 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -2547,15 +2547,6 @@ pub const SelfExePathError = os.ReadLinkError || os.SysCtlError || os.RealPathEr
 /// `selfExePath` except allocates the result on the heap.
 /// Caller owns returned memory.
 pub fn selfExePathAlloc(allocator: Allocator) ![]u8 {
-    if (builtin.os.tag == .wasi) {
-        var args = try std.process.argsWithAllocator(allocator);
-        defer args.deinit();
-        // On WASI, argv[0] is always just the basename of the current executable
-        const exe_name = args.next() orelse return error.FileNotFound;
-
-        var buf: [MAX_PATH_BYTES]u8 = undefined;
-        return allocator.dupe(u8, try selfExePathWasi(&buf, exe_name));
-    }
     // Use of MAX_PATH_BYTES here is justified as, at least on one tested Linux
     // system, readlink will completely fail to return a result larger than
     // PATH_MAX even if given a sufficiently large buffer. This makes it
@@ -2657,43 +2648,6 @@ pub fn selfExePath(out_buffer: []u8) SelfExePathError![]u8 {
     }
 }
 
-/// WASI-specific implementation of selfExePath
-///
-/// On WASI argv0 is always just the executable basename, so this function relies
-/// using a fixed executable directory path: "/zig"
-///
-/// This path can be configured in wasmtime using `--mapdir=/zig::/path/to/zig/dir/`
-fn selfExePathWasi(out_buffer: []u8, argv0: []const u8) SelfExePathError![]const u8 {
-    var allocator = std.heap.FixedBufferAllocator.init(out_buffer);
-    var alloc = allocator.allocator();
-
-    // Check these paths:
-    //  1. "/zig/{exe_name}"
-    //  2. "/zig/bin/{exe_name}"
-    const base_paths_to_check = &[_][]const u8{ "/zig", "/zig/bin" };
-    const exe_names_to_check = &[_][]const u8{ path.basename(argv0), "zig.wasm" };
-
-    for (base_paths_to_check) |base_path| {
-        for (exe_names_to_check) |exe_name| {
-            const test_path = path.join(alloc, &.{ base_path, exe_name }) catch continue;
-
-            // Make sure it's a file we're pointing to
-            const file = os.fstatat(os.wasi.AT.FDCWD, test_path, 0) catch continue;
-            if (file.filetype != .REGULAR_FILE) continue;
-
-            // Path seems to be valid, let's try to turn it into an absolute path
-            var real_path_buf: [MAX_PATH_BYTES]u8 = undefined;
-            if (os.realpath(test_path, &real_path_buf)) |real_path| {
-                if (real_path.len > out_buffer.len)
-                    return error.NameTooLong;
-                mem.copy(u8, out_buffer, real_path);
-                return out_buffer[0..real_path.len];
-            } else |_| continue;
-        }
-    }
-    return error.FileNotFound;
-}
-
 /// The result is UTF16LE-encoded.
 pub fn selfExePathW() [:0]const u16 {
     const image_path_name = &os.windows.peb().ProcessParameters.ImagePathName;