#include <sys/stat.h>
+#include <errno.h>
+#include <fcntl.h>
#include "syscall.h"
#include "libc.h"
-int fstat(int fd, struct stat *buf)
+void __procfdname(char *, unsigned);
+
+int fstat(int fd, struct stat *st)
{
- return syscall2(__NR_fstat, fd, (long)buf);
+ int ret = __syscall(SYS_fstat, fd, st);
+ if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
+ return __syscall_ret(ret);
+
+ char buf[15+3*sizeof(int)];
+ __procfdname(buf, fd);
+#ifdef SYS_stat
+ return syscall(SYS_stat, buf, st);
+#else
+ return syscall(SYS_fstatat, AT_FDCWD, buf, st, 0);
+#endif
}
LFS64(fstat);