grub2/0168-grub-core-fs-jfs.c-Remove-nested-functions.patch

From dde79d96f8e70ebbb540ba20ff57e6b6a215cf04 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Thu, 28 Feb 2013 10:51:32 +0100
Subject: [PATCH 168/471] 	* grub-core/fs/jfs.c: Remove nested functions.

---
 ChangeLog          |   4 ++
 grub-core/fs/jfs.c | 113 +++++++++++++++++++++++++++--------------------------
 2 files changed, 61 insertions(+), 56 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 056de9d..6601c42 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2013-02-28  Vladimir Serbinenko  <phcoder@gmail.com>
 
+	* grub-core/fs/jfs.c: Remove nested functions.
+
+2013-02-28  Vladimir Serbinenko  <phcoder@gmail.com>
+
 	* grub-core/fs/minix.c: Remove nested functions.
 
 2013-02-28  Vladimir Serbinenko  <phcoder@gmail.com>
diff --git a/grub-core/fs/jfs.c b/grub-core/fs/jfs.c
index 88b21ad..4122eff 100644
--- a/grub-core/fs/jfs.c
+++ b/grub-core/fs/jfs.c
@@ -255,60 +255,60 @@ static grub_dl_t my_mod;
 
 static grub_err_t grub_jfs_lookup_symlink (struct grub_jfs_data *data, grub_uint32_t ino);
 
-/* Get the block number for the block BLK in the node INODE in the
-   mounted filesystem DATA.  */
 static grub_int64_t
-grub_jfs_blkno (struct grub_jfs_data *data, struct grub_jfs_inode *inode,
-		grub_uint64_t blk)
+getblk (struct grub_jfs_treehead *treehead,
+	struct grub_jfs_tree_extent *extents,
+	struct grub_jfs_data *data,
+	grub_uint64_t blk)
 {
-  auto grub_int64_t getblk (struct grub_jfs_treehead *treehead,
-			    struct grub_jfs_tree_extent *extents);
+  int found = -1;
+  int i;
 
-  grub_int64_t getblk (struct grub_jfs_treehead *treehead,
-		       struct grub_jfs_tree_extent *extents)
+  for (i = 0; i < grub_le_to_cpu16 (treehead->count) - 2; i++)
     {
-      int found = -1;
-      int i;
-
-      for (i = 0; i < grub_le_to_cpu16 (treehead->count) - 2; i++)
+      if (treehead->flags & GRUB_JFS_TREE_LEAF)
 	{
-	  if (treehead->flags & GRUB_JFS_TREE_LEAF)
-	    {
-	      /* Read the leafnode.  */
-	      if (grub_le_to_cpu32 (extents[i].offset2) <= blk
-		  && ((grub_le_to_cpu16 (extents[i].extent.length))
-		      + (extents[i].extent.length2 << 16)
-		      + grub_le_to_cpu32 (extents[i].offset2)) > blk)
-		return (blk - grub_le_to_cpu32 (extents[i].offset2)
-			+ grub_le_to_cpu32 (extents[i].extent.blk2));
-	    }
-	  else
-	    if (blk >= grub_le_to_cpu32 (extents[i].offset2))
-	      found = i;
+	  /* Read the leafnode.  */
+	  if (grub_le_to_cpu32 (extents[i].offset2) <= blk
+	      && ((grub_le_to_cpu16 (extents[i].extent.length))
+		  + (extents[i].extent.length2 << 16)
+		  + grub_le_to_cpu32 (extents[i].offset2)) > blk)
+	    return (blk - grub_le_to_cpu32 (extents[i].offset2)
+		    + grub_le_to_cpu32 (extents[i].extent.blk2));
 	}
+      else
+	if (blk >= grub_le_to_cpu32 (extents[i].offset2))
+	  found = i;
+    }
 
-      if (found != -1)
-	{
-	  struct
-	  {
-	    struct grub_jfs_treehead treehead;
-	    struct grub_jfs_tree_extent extents[254];
-	  } tree;
-
-	  if (grub_disk_read (data->disk,
-			      ((grub_disk_addr_t) grub_le_to_cpu32 (extents[found].extent.blk2))
-			      << (grub_le_to_cpu16 (data->sblock.log2_blksz)
-				  - GRUB_DISK_SECTOR_BITS), 0,
-			      sizeof (tree), (char *) &tree))
-	    return -1;
-
-	  return getblk (&tree.treehead, &tree.extents[0]);
-	}
+  if (found != -1)
+    {
+      struct
+      {
+	struct grub_jfs_treehead treehead;
+	struct grub_jfs_tree_extent extents[254];
+      } tree;
+
+      if (grub_disk_read (data->disk,
+			  ((grub_disk_addr_t) grub_le_to_cpu32 (extents[found].extent.blk2))
+			  << (grub_le_to_cpu16 (data->sblock.log2_blksz)
+			      - GRUB_DISK_SECTOR_BITS), 0,
+			  sizeof (tree), (char *) &tree))
+	return -1;
 
-      return -1;
+      return getblk (&tree.treehead, &tree.extents[0], data, blk);
     }
 
-  return getblk (&inode->file.tree, &inode->file.extents[0]);
+  return -1;
+}
+
+/* Get the block number for the block BLK in the node INODE in the
+   mounted filesystem DATA.  */
+static grub_int64_t
+grub_jfs_blkno (struct grub_jfs_data *data, struct grub_jfs_inode *inode,
+		grub_uint64_t blk)
+{
+  return getblk (&inode->file.tree, &inode->file.extents[0], data, blk);
 }
 
 
@@ -489,6 +489,13 @@ grub_jfs_closedir (struct grub_jfs_diropen *diro)
   grub_free (diro);
 }
 
+static void
+le_to_cpu16_copy (grub_uint16_t *out, grub_uint16_t *in, grub_size_t len)
+{
+  while (len--)
+    *out++ = grub_le_to_cpu16 (*in++);
+}
+
 
 /* Read in the next dirent from the directory described by DIRO.  */
 static grub_err_t
@@ -501,15 +508,6 @@ grub_jfs_getent (struct grub_jfs_diropen *diro)
   int nextent;
   grub_uint16_t filename[256];
 
-  auto void addstr (grub_uint16_t *uname, int ulen);
-
-  /* Add the unicode string to the utf16 filename buffer.  */
-  void addstr (grub_uint16_t *name, int ulen)
-    {
-      while (ulen--)
-	filename[strpos++] = grub_le_to_cpu16 (*(name++));
-    }
-
   /* The last node, read in more.  */
   if (diro->index == diro->count)
     {
@@ -547,8 +545,10 @@ grub_jfs_getent (struct grub_jfs_diropen *diro)
       return grub_jfs_getent (diro);
     }
 
-  addstr (leaf->namepart, len < diro->data->namecomponentlen ? len
-	  : diro->data->namecomponentlen);
+  le_to_cpu16_copy (filename + strpos, leaf->namepart, len < diro->data->namecomponentlen ? len
+		    : diro->data->namecomponentlen);
+  strpos += len < diro->data->namecomponentlen ? len
+    : diro->data->namecomponentlen;
   diro->ino = grub_le_to_cpu32 (leaf->inode);
   len -= diro->data->namecomponentlen;
 
@@ -558,7 +558,8 @@ grub_jfs_getent (struct grub_jfs_diropen *diro)
     do
       {
  	next_leaf = &diro->next_leaf[nextent];
-	addstr (next_leaf->namepart, len < 15 ? len : 15 );
+	le_to_cpu16_copy (filename + strpos, next_leaf->namepart, len < 15 ? len : 15);
+	strpos += len < 15 ? len : 15;
 
 	len -= 15;
 	nextent = next_leaf->next;
-- 
1.8.2.1