+/*
+
+ silcenv.c
+
+ Author: Pekka Riikonen <priikone@silcnet.org>
+
+ Copyright (C) 2007 Pekka Riikonen
+
+ 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; version 2 of the License.
+
+ 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.
+
+*/
+
+#include "silc.h"
+
+/* Set environment variable with value */
+
+SilcBool silc_setenv(const char *variable, const char *value)
+{
+ SILC_LOG_DEBUG(("Set %s=%s", variable, value));
+#if defined(HAVE_SETENV)
+ return setenv(variable, value, TRUE) == 0;
+#elif defined (HAVE_PUTENV)
+ char tmp[1024];
+ silc_snprintf(tmp, sizeof(tmp), "%s=%s", variable, value);
+ return putenv(tmp) == 0;
+#endif /* HAVE_SETENV */
+ return FALSE;
+}
+
+/* Get environment variable value */
+
+const char *silc_getenv(const char *variable)
+{
+ SILC_LOG_DEBUG(("Get %s value", variable));
+#if defined(HAVE_GETENV)
+ return (const char *)getenv(variable);
+#endif /* HAVE_GETENV */
+ return NULL;
+}
+
+/* Unset environment variable */
+
+SilcBool silc_unsetenv(const char *variable)
+{
+ SILC_LOG_DEBUG(("Unset %s value", variable));
+#if defined(HAVE_UNSETENV)
+ return unsetenv(variable) == 0;
+#endif /* HAVE_GETENV */
+ return FALSE;
+}
+
+/* Clear environment */
+
+SilcBool silc_clearenv(void)
+{
+ SILC_LOG_DEBUG(("Clear allenvironment variables"));
+#if defined(HAVE_CLEARENV)
+ return clearenv() == 0;
+#endif /* HAVE_GETENV */
+ return FALSE;
+}