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LibCore: Add syscall wrappers for getpwuid() and getgrgid()

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This commit is contained in:
Andreas Kling 2022-01-01 17:53:57 +01:00
parent 1e4117f1e1
commit 7008f74214
2 changed files with 22 additions and 0 deletions
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20
Userland/Libraries/LibCore/System.cpp
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@ -403,6 +403,26 @@ ErrorOr<void> chown(StringView pathname, uid_t uid, gid_t gid)
#endif
}
ErrorOr<Optional<struct passwd>> getpwuid(uid_t uid)
{
errno = 0;
if (auto* pwd = ::getpwuid(uid))
return *pwd;
if (errno)
return Error::from_syscall("getpwuid"sv, -errno);
return Optional<struct passwd> {};
}
ErrorOr<Optional<struct group>> getgrgid(gid_t gid)
{
errno = 0;
if (auto* grp = ::getgrgid(gid))
return *grp;
if (errno)
return Error::from_syscall("getgrgid"sv, -errno);
return Optional<struct group> {};
}
ErrorOr<Optional<struct passwd>> getpwnam(StringView name)
{
errno = 0;

2
Userland/Libraries/LibCore/System.h
View file

@ -70,6 +70,8 @@ ErrorOr<void> lchown(StringView pathname, uid_t uid, gid_t gid);
ErrorOr<void> chown(StringView pathname, uid_t uid, gid_t gid);
ErrorOr<Optional<struct passwd>> getpwnam(StringView name);
ErrorOr<Optional<struct group>> getgrnam(StringView name);
ErrorOr<Optional<struct passwd>> getpwuid(uid_t);
ErrorOr<Optional<struct group>> getgrgid(gid_t);
ErrorOr<void> clock_settime(clockid_t clock_id, struct timespec* ts);
ErrorOr<pid_t> posix_spawnp(StringView const path, posix_spawn_file_actions_t* const file_actions, posix_spawnattr_t* const attr, char* const arguments[], char* const envp[]);
ErrorOr<pid_t> waitpid(pid_t waitee, int* wstatus, int options);