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// RUN: %clangxx %s -o %t && %run %t
// UNSUPPORTED: ios
#include <assert.h>
#include <grp.h>
#include <memory>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
std::string any_group;
const int N = 123456;
void Check(const char *str) {
if (!str)
return;
assert(strlen(str) != N);
}
void Check(const passwd *result) {
Check(result->pw_name);
Check(result->pw_passwd);
assert(result->pw_uid != N);
assert(result->pw_gid != N);
#if !defined(__ANDROID__)
Check(result->pw_gecos);
#endif
Check(result->pw_dir);
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
assert(result->pw_change != N);
Check(result->pw_class);
assert(result->pw_expire != N);
#endif
#if defined(__FreeBSD__)
assert(result->pw_fields != N);
#endif
// SunOS also has pw_age and pw_comment which are documented as unused.
}
void Check(const group *result) {
Check(result->gr_name);
Check(result->gr_passwd);
assert(result->gr_gid != N);
for (char **mem = result->gr_mem; *mem; ++mem)
Check(*mem);
if (any_group.empty())
any_group = result->gr_name;
}
template <class T, class Fn, class... Args>
void test(Fn f, Args... args) {
T *result = f(args...);
Check(result);
}
template <class T, class Fn, class... Args>
void test_r(Fn f, Args... args) {
T gr;
T *result;
char buff[10000];
assert(!f(args..., &gr, buff, sizeof(buff), &result));
Check(&gr);
Check(result);
}
int main(int argc, const char *argv[]) {
test<passwd>(&getpwuid, 0);
test<passwd>(&getpwnam, "root");
test<group>(&getgrgid, 0);
test<group>(&getgrnam, any_group.c_str());
#if !defined(__ANDROID__)
setpwent();
test<passwd>(&getpwent);
setgrent();
test<group>(&getgrent);
#if !defined(__APPLE__)
setpwent();
test_r<passwd>(&getpwent_r);
setgrent();
test_r<group>(&getgrent_r);
#endif
test_r<passwd>(&getpwuid_r, 0);
test_r<passwd>(&getpwnam_r, "root");
test_r<group>(&getgrgid_r, 0);
test_r<group>(&getgrnam_r, any_group.c_str());
#if defined(__linux__)
auto pwd_file = [] {
return std::unique_ptr<FILE, decltype(&fclose)>(fopen("/etc/passwd", "r"),
&fclose);
};
auto gr_file = [] {
return std::unique_ptr<FILE, decltype(&fclose)>(fopen("/etc/group", "r"),
&fclose);
};
test<passwd>(&fgetpwent, pwd_file().get());
test<group>(&fgetgrent, gr_file().get());
test_r<passwd>(&fgetpwent_r, pwd_file().get());
test_r<group>(&fgetgrent_r, gr_file().get());
#endif
#endif // __ANDROID__
return 0;
}
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