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LibCore: Add syscall wrapper for rename()

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This commit is contained in:
Andreas Kling 2021-12-16 21:40:42 +01:00
parent fb4ffe22c8
commit ead9c36c92
2 changed files with 22 additions and 0 deletions
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21
Userland/Libraries/LibCore/System.cpp
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@ -503,4 +503,25 @@ ErrorOr<int> mkstemp(Span<char> pattern)
return fd; return fd;
} }
ErrorOr<void> rename(StringView old_path, StringView new_path)
{
if (old_path.is_null() || new_path.is_null())
return Error::from_errno(EFAULT);
#ifdef __serenity__
Syscall::SC_rename_params params {
.old_path = { old_path.characters_without_null_termination(), old_path.length() },
.new_path = { new_path.characters_without_null_termination(), new_path.length() },
};
int rc = syscall(SC_rename, &params);
HANDLE_SYSCALL_RETURN_VALUE("rename"sv, rc, {});
#else
String old_path_string = old_path;
String new_path_string = new_path;
if (::rename(old_path_string.characters(), new_path_string.characters()) < 0)
return Error::from_syscall("rename"sv, -errno);
return {};
#endif
}
} }

1
Userland/Libraries/LibCore/System.h
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@ -67,5 +67,6 @@ ErrorOr<void> mkdir(StringView path, mode_t);
ErrorOr<pid_t> fork(); ErrorOr<pid_t> fork();
ErrorOr<int> mkstemp(Span<char> pattern); ErrorOr<int> mkstemp(Span<char> pattern);
ErrorOr<void> fchmod(int fd, mode_t mode); ErrorOr<void> fchmod(int fd, mode_t mode);
ErrorOr<void> rename(StringView old_path, StringView new_path);
} }