1 /* Copyright (C) 2015-2018 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
24 #include <support/support.h>
29 /* Count the number of entries in the password database, and fetch
30 data from the first and last entries. */
33 char *first_name = NULL;
35 char *last_name = NULL;
38 while ((pw = getpwent ()) != NULL)
40 if (first_name == NULL)
42 first_name = xstrdup (pw->pw_name);
43 first_uid = pw->pw_uid;
47 last_name = xstrdup (pw->pw_name);
48 last_uid = pw->pw_uid;
55 printf ("No entries in the password database.\n");
59 /* Try again, this time interleaving with name-based and UID-based
60 lookup operations. The counts do not match if the interleaved
61 lookups affected the enumeration. */
64 while ((pw = getpwent ()) != NULL)
66 if (new_count == count)
68 printf ("Additional entry in the password database.\n");
72 struct passwd *pw2 = getpwnam (first_name);
75 printf ("getpwnam (%s) failed: %m\n", first_name);
78 pw2 = getpwnam (last_name);
81 printf ("getpwnam (%s) failed: %m\n", last_name);
84 pw2 = getpwuid (first_uid);
87 printf ("getpwuid (%llu) failed: %m\n",
88 (unsigned long long) first_uid);
91 pw2 = getpwuid (last_uid);
94 printf ("getpwuid (%llu) failed: %m\n",
95 (unsigned long long) last_uid);
100 if (new_count < count)
102 printf ("Missing entry in the password database.\n");
110 #include <support/test-driver.c>