Teach std.fs.path about the wonderful world of Windows paths

lib/compiler/resinator/compile.zig

@@ -2914,7 +2914,7 @@ fn validateSearchPath(path: []const u8) error{BadPathName}!void {
             // (e.g. the NT \??\ prefix, the device \\.\ prefix, etc).
             // Those path types are something of an unavoidable way to
             // still hit unreachable during the openDir call.
-            var component_iterator = try std.fs.path.componentIterator(path);
+            var component_iterator = std.fs.path.componentIterator(path);
             while (component_iterator.next()) |component| {
                 // https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file
                 if (std.mem.indexOfAny(u8, component.name, "\x00<>:\"|?*") != null) return error.BadPathName;

lib/std/Build/Cache.zig

@@ -104,9 +104,7 @@ fn findPrefixResolved(cache: *const Cache, resolved_path: []u8) !PrefixedPath {
 fn getPrefixSubpath(allocator: Allocator, prefix: []const u8, path: []u8) ![]u8 {
     const relative = try fs.path.relative(allocator, prefix, path);
     errdefer allocator.free(relative);
-    var component_iterator = fs.path.NativeComponentIterator.init(relative) catch {
-        return error.NotASubPath;
-    };
+    var component_iterator = fs.path.NativeComponentIterator.init(relative);
     if (component_iterator.root() != null) {
         return error.NotASubPath;
     }

lib/std/Build/Watch/FsEvents.zig

@@ -167,7 +167,7 @@ pub fn setPaths(fse: *FsEvents, gpa: Allocator, steps: []const *std.Build.Step)
         }.lessThan);
         need_dirs.clearRetainingCapacity();
         for (old_dirs) |dir_path| {
-            var it: std.fs.path.ComponentIterator(.posix, u8) = try .init(dir_path);
+            var it: std.fs.path.ComponentIterator(.posix, u8) = .init(dir_path);
             while (it.next()) |component| {
                 if (need_dirs.contains(component.path)) {
                     // this path is '/foo/bar/qux', but '/foo' or '/foo/bar' was already added

lib/std/Io/Dir.zig

@@ -318,7 +318,7 @@ pub const MakePathStatus = enum { existed, created };
 /// Same as `makePath` except returns whether the path already existed or was
 /// successfully created.
 pub fn makePathStatus(dir: Dir, io: Io, sub_path: []const u8) MakePathError!MakePathStatus {
-    var it = try std.fs.path.componentIterator(sub_path);
+    var it = std.fs.path.componentIterator(sub_path);
     var status: MakePathStatus = .existed;
     var component = it.last() orelse return error.BadPathName;
     while (true) {

lib/std/Io/Threaded.zig

@@ -1154,7 +1154,7 @@ fn dirMakeOpenPathWindows(
         w.SYNCHRONIZE | w.FILE_TRAVERSE |
         (if (options.iterate) w.FILE_LIST_DIRECTORY else @as(u32, 0));
 
-    var it = try std.fs.path.componentIterator(sub_path);
+    var it = std.fs.path.componentIterator(sub_path);
     // If there are no components in the path, then create a dummy component with the full path.
     var component: std.fs.path.NativeComponentIterator.Component = it.last() orelse .{
         .name = "",