[libc] fix the fcntl issue in newlib

components/dfs/include/dfs_posix.h

@@ -23,6 +23,7 @@
  * 2010-07-18     Bernard      add stat and statfs structure definitions.
  * 2011-05-16     Yi.qiu       Change parameter name of rename, "new" is C++ key word.
  * 2017-12-27     Bernard      Add fcntl API.
+ * 2018-02-07     Bernard      Change the 3rd parameter of open/fcntl/ioctl to '...'
  */
 
 #ifndef __DFS_POSIX_H__
@@ -52,7 +53,7 @@ void rewinddir(DIR *d);
 int closedir(DIR* d);
 
 /* file api*/
-int open(const char *file, int flags, int mode);
+int open(const char *file, int flags, ...);
 int close(int d);
 #ifdef RT_USING_NEWLIB
 _READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte));
@@ -67,8 +68,8 @@ int unlink(const char *pathname);
 int stat(const char *file, struct stat *buf);
 int fstat(int fildes, struct stat *buf);
 int fsync(int fildes);
-int fcntl(int fildes, int cmd, void *data);
-int ioctl(int fildes, int cmd, void *data);
+int fcntl(int fildes, int cmd, ...);
+int ioctl(int fildes, int cmd, ...);
 
 /* directory api*/
 int rmdir(const char *path);

components/dfs/src/dfs_posix.c

@@ -20,6 +20,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2009-05-27     Yi.qiu       The first version
+ * 2018-02-07     Bernard      Change the 3rd parameter of open/fcntl/ioctl to '...'
  */
 
 #include <dfs.h>
@@ -38,11 +39,10 @@
  *
  * @param file the path name of file.
  * @param flags the file open flags.
- * @param mode ignored parameter
  *
  * @return the non-negative integer on successful open, others for failed.
  */
-int open(const char *file, int flags, int mode)
+int open(const char *file, int flags, ...)
 {
     int fd, result;
     struct dfs_fd *d;
@@ -428,7 +428,7 @@ RTM_EXPORT(fsync);
  * @return 0 on successful completion. Otherwise, -1 shall be returned and errno
  * set to indicate the error.
  */
-int fcntl(int fildes, int cmd, void *data)
+int fcntl(int fildes, int cmd, ...)
 {
     int ret = -1;
     struct dfs_fd *d;
@@ -437,7 +437,14 @@ int fcntl(int fildes, int cmd, void *data)
     d = fd_get(fildes);
     if (d)
     {
-        ret = dfs_file_ioctl(d, cmd, data);
+        void* arg;
+        va_list ap;
+
+        va_start(ap, cmd);
+        arg = va_arg(ap, void*);
+        va_end(ap);
+
+        ret = dfs_file_ioctl(d, cmd, arg);
         fd_put(d);
     }
     else ret = -EBADF;
@@ -464,10 +471,17 @@ RTM_EXPORT(fcntl);
  * @return 0 on successful completion. Otherwise, -1 shall be returned and errno
  * set to indicate the error.
  */
-int ioctl(int fildes, int cmd, void *data)
+int ioctl(int fildes, int cmd, ...)
 {
+    void* arg;
+    va_list ap;
+
+    va_start(ap, cmd);
+    arg = va_arg(ap, void*);
+    va_end(ap);
+
     /* we use fcntl for this API. */
-    return fcntl(fildes, cmd, data);
+    return fcntl(fildes, cmd, arg);
 }
 RTM_EXPORT(ioctl);
 

components/libc/compilers/newlib/sys/fcntl.h

@@ -1,16 +0,0 @@
-#ifndef __RTT_FCNTL_H__
-#define __RTT_FCNTL_H__
-
-/* Operation flags */
-#define O_RDONLY        0x0000000
-#define O_WRONLY        0x0000001
-#define O_RDWR          0x0000002
-#define O_ACCMODE       0x0000003
-#define O_CREAT         0x0000100
-#define O_EXCL          0x0000200
-#define O_TRUNC         0x0001000
-#define O_APPEND        0x0002000
-#define O_DIRECTORY     0x0200000
-#define O_BINARY        0x0008000
-
-#endif

include/libc/libc_fcntl.h

@@ -1,6 +1,27 @@
 /*
- * fcntl.h file in libc
- */ 
+ * File      : libc_fcntl.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2017 - 2018, RT-Thread Development Team
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-02-07     Bernard      Add O_DIRECTORY definition in NEWLIB mode.
+ */
+
 #ifndef LIBC_FCNTL_H__
 #define LIBC_FCNTL_H__
 
@@ -8,11 +29,10 @@
 #include <fcntl.h>
 
 #ifndef O_NONBLOCK
-#define O_NONBLOCK    04000
+#define O_NONBLOCK   0x4000
 #endif
 
 #if defined(_WIN32)
-#define O_DIRECTORY 0200000
 #define O_ACCMODE   (_O_RDONLY | _O_WRONLY | _O_RDWR)
 #endif
 
@@ -23,6 +43,10 @@
 #define F_SETFL  4
 #endif
 
+#ifndef O_DIRECTORY
+#define O_DIRECTORY 0x200000
+#endif
+
 #else
 #define O_RDONLY         00
 #define O_WRONLY         01
@@ -77,4 +101,3 @@
 #endif
 
 #endif
-