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[libc] fix the fcntl issue in newlib

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Bernard Xiong
2018-02-07 19:55:35 +08:00
parent 64a20c0f15
commit 4e41b0573b
4 changed files with 52 additions and 30 deletions
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components/dfs/include/dfs_posix.h
+4 -3
View File
@@ -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
View File
@@ -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);