resources: Fix userinit inode names pointing to undefined stack memory

Userinit contents can now be accessed successfully without getting a NotFound error for resources whose names got corrupted.

1 files changed, 5 insertions, 5 deletions

diff --git a/src/lib/resources.zig b/src/lib/resources.zig
index 71cd73b..25835d5 100644
--- a/src/lib/resources.zig
+++ b/src/lib/resources.zig
@@ -170,14 +170,14 @@ pub const Error = error{
     NoConsole,
 };
 
-pub fn provideBuiltin() !void {
+pub fn provideBuiltin(allocator: std.mem.Allocator) !void {
     try addDir("/io");
     try addDir("/userinit");
     try addDir("/process");
     try addDir("/process/self");
 
     try provideConsole();
-    try provideUserinit();
+    try provideUserinit(allocator);
     try provideProcess();
 }
 
@@ -195,13 +195,12 @@ fn provideConsole() !void {
     });
 }
 
-fn provideUserinit() !void {
+fn provideUserinit(allocator: std.mem.Allocator) !void {
     var userinit_stream = io.fixedBufferStream(userinit.tarball);
     const reader = userinit_stream.reader();
 
     var file_name_buffer: [4086]u8 = undefined;
     var link_name_buffer: [4086]u8 = undefined;
-    var path_buffer: [4096]u8 = undefined;
 
     var it = tar.iterator(reader, .{
         .file_name_buffer = file_name_buffer[0..],
@@ -209,7 +208,8 @@ fn provideUserinit() !void {
     });
 
     while (try it.next()) |file| {
-        const path = try std.fmt.bufPrint(path_buffer[0..], "/userinit/{s}", .{file.name});
+        const resolved = try std.fs.path.resolvePosix(allocator, &[_][]const u8{file.name});
+        const path = try std.fmt.allocPrint(allocator, "/userinit/{s}", .{resolved});
         switch (file.kind) {
             .file => try addFile(path, file),
             .directory => try addDir(path),