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Implement basic chmod() syscall and /bin/chmod helper.

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Only raw octal modes are supported right now.
This patch also changes mode_t from 32-bit to 16-bit to match the on-disk
type used by Ext2FS.

I also ran into EPERM being errno=0 which was confusing, so I inserted an
ESUCCESS in its place.
This commit is contained in:
Andreas Kling 2019-01-29 04:55:08 +01:00
parent ad53f6afd3
commit c30e2c8d44
22 changed files with 156 additions and 4 deletions
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Kernel/VirtualFileSystem.h
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@ -69,6 +69,7 @@ public:
bool mkdir(const String& path, mode_t mode, InodeIdentifier base, int& error);
bool unlink(const String& path, Inode& base, int& error);
bool rmdir(const String& path, Inode& base, int& error);
bool chmod(const String& path, mode_t, Inode& base, int& error);
void register_character_device(CharacterDevice&);