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fs_mem: fix directory parent pointers #102

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fs_mem: fix directory parent pointers #102

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6 changes: 5 additions & 1 deletion src/fs_mem.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -338,6 +338,9 @@ export class OpenDirectory extends Fd {
return wasi.ERRNO_PERM;
}

if (inode instanceof Directory) {
inode.parent = parent_entry;
}
parent_entry.contents.set(filename, inode);

return wasi.ERRNO_SUCCESS;
Expand Down Expand Up @@ -557,7 +560,7 @@ class Path {

export class Directory extends Inode {
contents: Map<string, Inode>;
private parent: Directory | null = null;
parent: Directory | null = null;

constructor(contents: Map<string, Inode> | [string, Inode][]) {
super();
Expand Down Expand Up @@ -712,6 +715,7 @@ export class Directory extends Inode {
new_child = new File(new ArrayBuffer(0));
} else {
new_child = new Directory(new Map());
new_child.parent = parent_entry;
}
parent_entry.contents.set(filename, new_child);
entry = new_child;
Expand Down