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Diffstat (limited to 'gnulib/tests/test-getlogin_r.c')
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-rw-r--r--gnulib/tests/test-getlogin_r.c88
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diff --git a/gnulib b/gnulib
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-Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa
diff --git a/gnulib/tests/test-getlogin_r.c b/gnulib/tests/test-getlogin_r.c
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+++ b/gnulib/tests/test-getlogin_r.c
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+/* Test of getting user name.
+ Copyright (C) 2010 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
+
+#include <config.h>
+
+#include <unistd.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (getlogin_r, int, (char *, size_t));
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+ /* Test with a large enough buffer. */
+ char buf[1024];
+
+ if (getlogin_r (buf, sizeof (buf)) != 0)
+ {
+ /* getlogin_r() fails when stdin is not connected to a tty. */
+ ASSERT (! isatty (0));
+ fprintf (stderr, "Skipping test: stdin is not a tty.\n");
+ return 77;
+ }
+
+ /* Compare against the value from the environment. */
+#if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)
+ /* Unix platform */
+ {
+ const char *name = getenv ("LOGNAME");
+ if (name == NULL || name[0] == '\0')
+ name = getenv ("USER");
+ if (name != NULL && name[0] != '\0')
+ ASSERT (strcmp (buf, name) == 0);
+ }
+#endif
+#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+ /* Native Windows platform.
+ Note: This test would fail on Cygwin in an ssh session, because sshd
+ sets USERNAME=SYSTEM. */
+ {
+ const char *name = getenv ("USERNAME");
+ if (name != NULL && name[0] != '\0')
+ ASSERT (strcmp (buf, name) == 0);
+ }
+#endif
+
+ /* Test with a small buffer. */
+ {
+ char smallbuf[1024];
+ size_t n = strlen (buf);
+ size_t i;
+
+ for (i = 0; i <= n; i++)
+ ASSERT (getlogin_r (smallbuf, i) == ERANGE);
+ }
+
+ /* Test with a huge buffer. */
+ {
+ static char hugebuf[70000];
+
+ ASSERT (getlogin_r (hugebuf, sizeof (hugebuf)) == 0);
+ ASSERT (strcmp (hugebuf, buf) == 0);
+ }
+
+ return 0;
+}