From 9477d7988480fc5f1040e9c13877e38f79198e0c Mon Sep 17 00:00:00 2001
From: bhgv <bhgv.empire@gmail.com>
Date: Mon, 15 Jun 2020 07:50:02 +0300
Subject: sup. FreeRTOS riscV-64 (k210 cpu). 6th step

---
 libiot/sys/getcwd.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 libiot/sys/getcwd.c

(limited to 'libiot/sys/getcwd.c')

diff --git a/libiot/sys/getcwd.c b/libiot/sys/getcwd.c
new file mode 100644
index 0000000..8ba2fd2
--- /dev/null
+++ b/libiot/sys/getcwd.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2015 - 2018, IBEROXARXA SERVICIOS INTEGRALES, S.L.
+ * Copyright (C) 2015 - 2018, Jaume Olivé Petrus (jolive@whitecatboard.org)
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of the <organization> nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *     * The WHITECAT logotype cannot be changed, you can remove it, but you
+ *       cannot change it in any way. The WHITECAT logotype is:
+ *
+ *          /\       /\
+ *         /  \_____/  \
+ *        /_____________\
+ *        W H I T E C A T
+ *
+ *     * Redistributions in binary form must retain all copyright notices printed
+ *       to any local or remote output device. This include any reference to
+ *       Lua RTOS, whitecatboard.org, Lua, and other copyright notices that may
+ *       appear in the future.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 <COPYRIGHT HOLDER> 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.
+ *
+ * Lua RTOS getcwd
+ *
+ */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <errno.h>
+#include <fcntl.h>
+
+//#include <sys/mount.h>
+
+extern char currdir[];
+
+char *getcwd(char *buff, size_t size) {
+    if ((buff == NULL) || ((buff != NULL) && (size == 0))) {
+        errno = EINVAL;
+        return NULL;
+    }
+
+    if (strlen(currdir) + 1 > PATH_MAX) {
+        errno = ENAMETOOLONG;
+        return NULL;
+    }
+
+    if (size < strlen(currdir) + 1) {
+        errno = ERANGE;
+        return NULL;
+    }
+
+    char *pt = buff;
+    *pt = '\0';
+
+    if (*currdir != '/') {
+        *pt++ = '/';
+        *pt = '\0';
+    }
+
+    strcat(pt, currdir);
+
+    return pt;
+}
+
+char *realpath(const char *path, char *resolved) {
+    strcpy(resolved, path);
+
+    return resolved;
+}
-- 
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