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Return proper errno for null inode operations

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EnderIce2 2024-05-19 11:28:22 +03:00
parent 042a5f8d4a
commit 5329c92791
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 21 additions and 21 deletions
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42
include/filesystem.hpp
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@ -31,10 +31,10 @@
static_assert(DTTOIF(DT_FIFO) == S_IFIFO);
static_assert(IFTODT(S_IFCHR) == DT_CHR);
#define __check_op(op, ...) \
if (fsi->Ops.op == nullptr) \
return -ENOTSUP; \
else \
#define __check_op(op, err, ...) \
if (fsi->Ops.op == nullptr) \
return -err; \
else \
return fsi->Ops.op(this->Node, ##__VA_ARGS__)
class FileNode
@ -54,23 +54,23 @@ public:
bool IsSymbolicLink() { return S_ISLNK(Node->Mode); }
bool IsSocket() { return S_ISSOCK(Node->Mode); }
int Lookup(const char *Name, Inode **Node) { __check_op(Lookup, Name, Node); }
int Create(const char *Name, mode_t Mode, Inode **Node) { __check_op(Create, Name, Mode, Node); }
int Remove(const char *Name) { __check_op(Remove, Name); }
int Rename(const char *OldName, const char *NewName) { __check_op(Rename, OldName, NewName); }
ssize_t Read(auto Buffer, size_t Size, off_t Offset) { __check_op(Read, (void *)Buffer, Size, Offset); }
ssize_t Write(const auto Buffer, size_t Size, off_t Offset) { __check_op(Write, (const void *)Buffer, Size, Offset); }
int Truncate(off_t Size) { __check_op(Truncate, Size); }
int Open(int Flags, mode_t Mode) { __check_op(Open, Flags, Mode); }
int Close() { __check_op(Close); }
int Ioctl(unsigned long Request, void *Argp) { __check_op(Ioctl, Request, Argp); }
ssize_t ReadDir(struct kdirent *Buffer, size_t Size, off_t Offset, off_t Entries) { __check_op(ReadDir, Buffer, Size, Offset, Entries); }
int MkDir(const char *Name, mode_t Mode, struct Inode **Result) { __check_op(MkDir, Name, Mode, Result); }
int RmDir(const char *Name) { __check_op(RmDir, Name); }
int SymLink(const char *Name, const char *Target, struct Inode **Result) { __check_op(SymLink, Name, Target, Result); }
ssize_t ReadLink(auto Buffer, size_t Size) { __check_op(ReadLink, (char *)Buffer, Size); }
off_t Seek(off_t Offset) { __check_op(Seek, Offset); }
int Stat(struct kstat *Stat) { __check_op(Stat, Stat); }
int Lookup(const char *Name, Inode **Node) { __check_op(Lookup, ENOTSUP, Name, Node); }
int Create(const char *Name, mode_t Mode, Inode **Node) { __check_op(Create, EROFS, Name, Mode, Node); }
int Remove(const char *Name) { __check_op(Remove, EROFS, Name); }
int Rename(const char *OldName, const char *NewName) { __check_op(Rename, EROFS, OldName, NewName); }
ssize_t Read(auto Buffer, size_t Size, off_t Offset) { __check_op(Read, ENOTSUP, (void *)Buffer, Size, Offset); }
ssize_t Write(const auto Buffer, size_t Size, off_t Offset) { __check_op(Write, EROFS, (const void *)Buffer, Size, Offset); }
int Truncate(off_t Size) { __check_op(Truncate, EROFS, Size); }
int Open(int Flags, mode_t Mode) { __check_op(Open, ENOTSUP, Flags, Mode); }
int Close() { __check_op(Close, ENOTSUP); }
int Ioctl(unsigned long Request, void *Argp) { __check_op(Ioctl, ENOTSUP, Request, Argp); }
ssize_t ReadDir(struct kdirent *Buffer, size_t Size, off_t Offset, off_t Entries) { __check_op(ReadDir, ENOTSUP, Buffer, Size, Offset, Entries); }
int MkDir(const char *Name, mode_t Mode, struct Inode **Result) { __check_op(MkDir, EROFS, Name, Mode, Result); }
int RmDir(const char *Name) { __check_op(RmDir, EROFS, Name); }
int SymLink(const char *Name, const char *Target, struct Inode **Result) { __check_op(SymLink, EROFS, Name, Target, Result); }
ssize_t ReadLink(auto Buffer, size_t Size) { __check_op(ReadLink, ENOTSUP, (char *)Buffer, Size); }
off_t Seek(off_t Offset) { __check_op(Seek, ENOTSUP, Offset); }
int Stat(struct kstat *Stat) { __check_op(Stat, ENOTSUP, Stat); }
~FileNode() = delete;
};