Merge in CVS dietlibc 0.21 for IA-64 and X86-64 support. However, drop the

following architectures we currently don't support: arm, mips, mipsel, parisc,
s390, sparc64.

1 files changed, 17 insertions, 9 deletions

diff --git a/mdk-stage1/dietlibc/lib/opendir.c b/mdk-stage1/dietlibc/lib/opendir.c
index 5c0c4a305..2530d1ac9 100644
--- a/mdk-stage1/dietlibc/lib/opendir.c
+++ b/mdk-stage1/dietlibc/lib/opendir.c
@@ -1,18 +1,26 @@
 #include "dietdirent.h"
+#include <sys/mman.h>
 #include <unistd.h>
 #include <dirent.h>
 #include <stdlib.h>
 #include <fcntl.h>
 
-DIR *opendir (const char *name) {
-  DIR *t=(DIR*)malloc(sizeof(DIR));
-  if (t) {
-    if ((t->fd=open(name,O_RDONLY|O_DIRECTORY))>=0) {
-      t->num=t->cur=0;
-    } else {
-      free(t);
-      t=0;
-    }
+DIR*  opendir ( const char* name ) {
+  int   fd = open (name, O_RDONLY | O_DIRECTORY);
+  DIR*  t  = NULL;
+
+  if ( fd >= 0 ) {
+    if (fcntl (fd, F_SETFD, FD_CLOEXEC) < 0)
+      goto lose;
+    t = (DIR *) mmap (NULL, PAGE_SIZE, PROT_READ | PROT_WRITE, 
+		MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+    if (t == MAP_FAILED)
+lose:
+      close (fd);
+    else
+      t->fd = fd;
   }
+
+
   return t;
 }