Use opendir from newlib

Author: fjtrujy

newlib/configure.host

@@ -546,7 +546,7 @@ case "${host}" in
   mips*-ps2-*)
 	sys_dir=ps2
 	posix_dir=posix
-	newlib_cflags="${newlib_cflags} -G0 -DHAVE_NANOSLEEP -DHAVE_OPENDIR"
+	newlib_cflags="${newlib_cflags} -G0 -DHAVE_NANOSLEEP -DHAVE_RENAME -DHAVE_FCNTL -D_NO_POSIX_SPAWN -D_NO_EXECVE -DNO_EXEC"
 	;;
   mmix-knuth-mmixware)
 	sys_dir=mmixware

newlib/libc/sys/ps2/sys/dirent.h

@@ -2,8 +2,12 @@
 #define _SYS_DIRENT_H
 
 typedef struct __dirdesc {
-	int	dd_fd;
-	char	*dd_buf;
+	int dd_fd;		/* directory file */
+    int dd_loc;		/* position in buffer */
+    int dd_seek;
+    char *dd_buf;	/* buffer */
+    int dd_len;		/* buffer length */
+    int dd_size;	/* amount of data in buffer */
 } DIR;
 
 # define __dirfd(dp)	((dp)->dd_fd)
@@ -16,8 +20,22 @@ typedef struct __dirdesc {
 #define d_ino	d_fileno	/* compatibility */
 
 struct dirent {
-	struct stat d_stat;
+	ino_t      d_fileno;		    /* file number of entry */
+    off_t          d_off;           /* Not an offset; see below */
+	unsigned short int d_reclen;    /* Length of this record */
+    unsigned char  d_type;          /* Type of file; not supported 
+                                       by all filesystem types */
 	char d_name[MAXNAMLEN + 1];
 };
 
+#define	DT_UNKNOWN	 0
+#define	DT_FIFO		 1
+#define	DT_CHR		 2
+#define	DT_DIR		 4
+#define	DT_BLK		 6
+#define	DT_REG		 8
+#define	DT_LNK		10
+#define	DT_SOCK		12
+#define	DT_WHT		14
+
 #endif