From 6e99bc9747348fcd46114c91d77f3fb97641291d Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sun, 24 Feb 2008 16:58:50 +0100
Subject: [PATCH] Tests for module 'environ'.
---
ChangeLog | 3 +++
modules/environ-tests | 11 +++++++++++
tests/test-environ.c | 45 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 59 insertions(+)
create mode 100644 modules/environ-tests
create mode 100644 tests/test-environ.c
diff --git a/ChangeLog b/ChangeLog
index 36e7e06e43..31c51cf7ab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2008-02-24 Bruno Haible <bruno@clisp.org>
+ * modules/environ-tests: New file.
+ * tests/test-environ.c: New file.
+
New module 'environ'.
* modules/environ: New file.
* lib/unistd.in.h (environ): New declaration.
diff --git a/modules/environ-tests b/modules/environ-tests
new file mode 100644
index 0000000000..c4fe0fd11f
--- /dev/null
+++ b/modules/environ-tests
@@ -0,0 +1,11 @@
+Files:
+tests/test-environ.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-environ
+check_PROGRAMS += test-environ
+
diff --git a/tests/test-environ.c b/tests/test-environ.c
new file mode 100644
index 0000000000..3924288e80
--- /dev/null
+++ b/tests/test-environ.c
@@ -0,0 +1,45 @@
+/* Test of environ variable.
+ Copyright (C) 2008 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>, 2008. */
+
+#include <config.h>
+
+#include <unistd.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+int
+main ()
+{
+ /* The environment variables that are set even in the weirdest situations
+ are HOME and PATH.
+ POSIX says that HOME is initialized by the system, and that PATH may be
+ unset. But in practice it's more frequent to see HOME unset and PATH
+ set. So we test the presence of PATH. */
+ char **remaining_variables = environ;
+ char *string;
+
+ for (; (string = *remaining_variables) != NULL; remaining_variables++)
+ {
+ if (strncmp (string, "PATH=", 5) == 0)
+ /* Found the PATH environment variable. */
+ return 0;
+ }
+ /* Failed to find the PATH environment variable. */
+ return 1;
+}
--
2.30.2