save failed integration state

gomspace/libutil/include/gs/util/unistd.h

@@ -0,0 +1,32 @@
+#ifndef GS_UTIL_UNISTD_H
+#define GS_UTIL_UNISTD_H
+/* Copyright (c) 2013-2018 GomSpace A/S. All rights reserved. */
+/**
+   @file
+
+   GomSpace extensions to standard \a unistd.h.
+*/
+
+#include <gs/util/error.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+   Get current working directory.
+
+   @note Linux uses standard getcwd().
+
+   @param[out] buf user supplied buffer for returning path.
+   @param[in] bufsize size of \a buf.
+   @return #GS_ERROR_NOT_FOUND if no current directory is set.
+   @return #GS_ERROR_RANGE if \a buf is too small
+   @return_gs_error_t
+*/
+gs_error_t gs_getcwd(char * buf, size_t bufsize);
+
+#ifdef __cplusplus
+}
+#endif
+#endif