2001-01-25 Joel Sherrill <joel@OARcorp.com>

* cpu.c, rtems/score/cpu.h: Bug report from Peter Mueller
	<peter.o.mueller@gmx.de> because of not correcting for the ISR
	vector table now being allocated from the workspace.

c/src/exec/libcsupport/src/Makefile.am

@@ -23,7 +23,7 @@ SYSTEM_CALL_C_FILES = open.c close.c read.c write.c lseek.c ioctl.c mkdir.c \
     mknod.c mkfifo.c rmdir.c chdir.c chmod.c fchdir.c fchmod.c chown.c \
     link.c unlink.c umask.c ftruncate.c utime.c fstat.c fcntl.c fpathconf.c \
     getdents.c fsync.c fdatasync.c pipe.c dup.c dup2.c symlink.c readlink.c \
-    creat.c
+    creat.c chroot.c
 
 DIRECTORY_SCAN_C_FILES = opendir.c closedir.c readdir.c rewinddir.c \
     scandir.c seekdir.c telldir.c getcwd.c

c/src/exec/libcsupport/src/chroot.c

@@ -0,0 +1,59 @@
+/*  
+ *  chroot() -  Change Root Directory
+ *  Author: fernando.ruiz@ctv.es
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include <unistd.h>
+#include <errno.h>
+
+#include <rtems/libio_.h>
+
+int chroot(
+  const char *pathname
+)
+{
+  int                               result;
+  rtems_filesystem_location_info_t  loc;
+  
+  if (rtems_current_user_env == &rtems_global_user_env)
+    set_errno_and_return_minus_one( ENOTSUP );
+
+  loc = rtems_filesystem_root;i    /* save the value */
+
+  /* if has been already changed */
+  rtems_filesystem_root = rtems_global_user_env.filesystem_root;
+
+  result = chdir(pathname);
+  if (result) {
+    rtems_filesystem_root = loc; /* restore the value */
+    set_errno_and_return_minus_one( errno );
+  };
+  rtems_filesystem_root = rtems_filesystem_current;
+
+  result = chdir("/");
+  if (result) {
+    rtems_filesystem_root = loc; /* restore the value */
+    set_errno_and_return_minus_one( errno );
+  };
+
+  /*XXX : Call this? Sorry but I don't known if it is necesary */
+  /* The old root.
+   rtems_filesystem_freenode( &loc );
+   */
+  return 0;
+}

c/src/lib/ChangeLog

@@ -1,4 +1,10 @@
 
+2001-01-25	Fernando Ruiz <fernando.ruiz@ctv.es>
+
+	* Alternate email is correo@fernando-ruiz.com
+	* libc/chroot.c: New file.
+	* libc/Makefile.am: Reflect above.
+
 2001-01-25	Fernando Ruiz <fernando.ruiz@ctv.es>
 
 	* Alternate email is correo@fernando-ruiz.com

c/src/lib/libc/Makefile.am

@@ -23,7 +23,7 @@ SYSTEM_CALL_C_FILES = open.c close.c read.c write.c lseek.c ioctl.c mkdir.c \
     mknod.c mkfifo.c rmdir.c chdir.c chmod.c fchdir.c fchmod.c chown.c \
     link.c unlink.c umask.c ftruncate.c utime.c fstat.c fcntl.c fpathconf.c \
     getdents.c fsync.c fdatasync.c pipe.c dup.c dup2.c symlink.c readlink.c \
-    creat.c
+    creat.c chroot.c
 
 DIRECTORY_SCAN_C_FILES = opendir.c closedir.c readdir.c rewinddir.c \
     scandir.c seekdir.c telldir.c getcwd.c

c/src/lib/libc/chroot.c

@@ -0,0 +1,59 @@
+/*  
+ *  chroot() -  Change Root Directory
+ *  Author: fernando.ruiz@ctv.es
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include <unistd.h>
+#include <errno.h>
+
+#include <rtems/libio_.h>
+
+int chroot(
+  const char *pathname
+)
+{
+  int                               result;
+  rtems_filesystem_location_info_t  loc;
+  
+  if (rtems_current_user_env == &rtems_global_user_env)
+    set_errno_and_return_minus_one( ENOTSUP );
+
+  loc = rtems_filesystem_root;i    /* save the value */
+
+  /* if has been already changed */
+  rtems_filesystem_root = rtems_global_user_env.filesystem_root;
+
+  result = chdir(pathname);
+  if (result) {
+    rtems_filesystem_root = loc; /* restore the value */
+    set_errno_and_return_minus_one( errno );
+  };
+  rtems_filesystem_root = rtems_filesystem_current;
+
+  result = chdir("/");
+  if (result) {
+    rtems_filesystem_root = loc; /* restore the value */
+    set_errno_and_return_minus_one( errno );
+  };
+
+  /*XXX : Call this? Sorry but I don't known if it is necesary */
+  /* The old root.
+   rtems_filesystem_freenode( &loc );
+   */
+  return 0;
+}

cpukit/libcsupport/src/chroot.c

@@ -0,0 +1,59 @@
+/*  
+ *  chroot() -  Change Root Directory
+ *  Author: fernando.ruiz@ctv.es
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include <unistd.h>
+#include <errno.h>
+
+#include <rtems/libio_.h>
+
+int chroot(
+  const char *pathname
+)
+{
+  int                               result;
+  rtems_filesystem_location_info_t  loc;
+  
+  if (rtems_current_user_env == &rtems_global_user_env)
+    set_errno_and_return_minus_one( ENOTSUP );
+
+  loc = rtems_filesystem_root;i    /* save the value */
+
+  /* if has been already changed */
+  rtems_filesystem_root = rtems_global_user_env.filesystem_root;
+
+  result = chdir(pathname);
+  if (result) {
+    rtems_filesystem_root = loc; /* restore the value */
+    set_errno_and_return_minus_one( errno );
+  };
+  rtems_filesystem_root = rtems_filesystem_current;
+
+  result = chdir("/");
+  if (result) {
+    rtems_filesystem_root = loc; /* restore the value */
+    set_errno_and_return_minus_one( errno );
+  };
+
+  /*XXX : Call this? Sorry but I don't known if it is necesary */
+  /* The old root.
+   rtems_filesystem_freenode( &loc );
+   */
+  return 0;
+}