1 files changed, 59 insertions, 0 deletions
diff --git a/src/get-env.c b/src/get-env.c
new file mode 100644
index 00000000..bea8949c
--- /dev/null
+++ b/src/get-env.c
@@ -0,0 +1,59 @@
+/* get_env.c - A getenv() replacement.
+   Copyright (C) 2003, 2004 g10 Code GmbH
+
+   This file is part of GPGME.
+ 
+   GPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+   
+   GPGME 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
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+#include "util.h"
+
+
+#if defined(HAVE_THREAD_SAFE_GETENV) || !defined (HAVE_GETENV_R)
+/* We prefer using getenv() if it is thread-safe.  */
+
+/* Retrieve the environment variable NAME and return a copy of it in a
+   malloc()'ed buffer in *VALUE.  If the environment variable is not
+   set, return NULL in *VALUE.  */
+gpgme_error_t
+_gpgme_getenv (const char *name, char **value)
+{
+  char *env_value;
+
+  env_value = getenv (name);
+  if (!env_value)
+    *value = NULL;
+  else
+    {
+      *value = strdup (env_value);
+      if (!*value)
+	return gpg_error_from_errno (errno);
+    }
+  return 0;
+}
+
+#else
+
+/* FIXME: Implement this when we have the specification for it.  */
+#error Use of getenv_r not implemented.
+
+#endif