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-rw-r--r--unit/atf-src/atf-c/detail/env.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/unit/atf-src/atf-c/detail/env.c b/unit/atf-src/atf-c/detail/env.c
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+/* Copyright (c) 2007 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+ * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
+
+#include "atf-c/detail/env.h"
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+
+#include "atf-c/detail/sanity.h"
+#include "atf-c/detail/text.h"
+#include "atf-c/error.h"
+
+const char *
+atf_env_get(const char *name)
+{
+ const char* val = getenv(name);
+ PRE(val != NULL);
+ return val;
+}
+
+const char *
+atf_env_get_with_default(const char *name, const char *default_value)
+{
+ const char* val = getenv(name);
+ if (val == NULL)
+ return default_value;
+ else
+ return val;
+}
+
+bool
+atf_env_has(const char *name)
+{
+ return getenv(name) != NULL;
+}
+
+atf_error_t
+atf_env_set(const char *name, const char *val)
+{
+ atf_error_t err;
+
+#if defined(HAVE_SETENV)
+ if (setenv(name, val, 1) == -1)
+ err = atf_libc_error(errno, "Cannot set environment variable "
+ "'%s' to '%s'", name, val);
+ else
+ err = atf_no_error();
+#elif defined(HAVE_PUTENV)
+ char *buf;
+
+ err = atf_text_format(&buf, "%s=%s", name, val);
+ if (!atf_is_error(err)) {
+ if (putenv(buf) == -1)
+ err = atf_libc_error(errno, "Cannot set environment variable "
+ "'%s' to '%s'", name, val);
+ free(buf);
+ }
+#else
+# error "Don't know how to set an environment variable."
+#endif
+
+ return err;
+}
+
+atf_error_t
+atf_env_unset(const char *name)
+{
+ atf_error_t err;
+
+#if defined(HAVE_UNSETENV)
+ unsetenv(name);
+ err = atf_no_error();
+#elif defined(HAVE_PUTENV)
+ char *buf;
+
+ err = atf_text_format(&buf, "%s=", name);
+ if (!atf_is_error(err)) {
+ if (putenv(buf) == -1)
+ err = atf_libc_error(errno, "Cannot unset environment variable"
+ " '%s'", name);
+ free(buf);
+ }
+#else
+# error "Don't know how to unset an environment variable."
+#endif
+
+ return err;
+}