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Kernel+Userland: Add symlink() syscall and add "-s" flag to /bin/ln.

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It's now possible to create symbolic links! :^)

This exposed an issue in Ext2FS where we'd write uninitialized data past
the end of an inode's content. Fix this by zeroing out the tail end of
the last block in a file.
This commit is contained in:
Andreas Kling
2019-03-02 01:50:34 +01:00
parent 37f6844c6c
commit 2c5a378ccc
10 changed files with 106 additions and 12 deletions
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1
Kernel/VirtualFileSystem.h
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@@ -68,6 +68,7 @@ public:
KResult mkdir(const String& path, mode_t mode, Inode& base);
KResult link(const String& old_path, const String& new_path, Inode& base);
KResult unlink(const String& path, Inode& base);
KResult symlink(const String& target, const String& linkpath, Inode& base);
KResult rmdir(const String& path, Inode& base);
KResult chmod(const String& path, mode_t, Inode& base);
KResult chmod(Inode&, mode_t);