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LibCore: Add syscall wrapper for isatty()

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This commit is contained in:
Andreas Kling 2021-12-16 19:24:58 +01:00
parent 9e9662b695
commit 92e6532bf1
2 changed files with 9 additions and 0 deletions
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8
Userland/Libraries/LibCore/System.cpp
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@ -416,4 +416,12 @@ ErrorOr<void> setegid(gid_t gid)
return {}; return {};
} }
ErrorOr<bool> isatty(int fd)
{
int rc = ::isatty(fd);
if (rc < 0)
return Error::from_syscall("isatty"sv, -errno);
return rc == 1;
}
} }

1
Userland/Libraries/LibCore/System.h
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@ -59,5 +59,6 @@ ErrorOr<void> setuid(uid_t);
ErrorOr<void> seteuid(uid_t); ErrorOr<void> seteuid(uid_t);
ErrorOr<void> setgid(gid_t); ErrorOr<void> setgid(gid_t);
ErrorOr<void> setegid(gid_t); ErrorOr<void> setegid(gid_t);
ErrorOr<bool> isatty(int fd);
} }