Merge changes between r16068 and r16332 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@16333 7b3dc134-2b1b-0410-93df-9e9f96275f8d

3 files changed, 43 insertions, 43 deletions

diff --git a/libc/iconvdata/unicode.c b/libc/iconvdata/unicode.c
index df452d2a1..dba4c34d6 100644
--- a/libc/iconvdata/unicode.c
+++ b/libc/iconvdata/unicode.c
@@ -1,5 +1,5 @@
 /* Conversion module for Unicode
-   Copyright (C) 1999, 2000-2002 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000-2002, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -57,7 +57,7 @@
 	    *inptrp = inptr += 2;					      \
 	  else if (get16u (inptr) == BOM_OE)				      \
 	    {								      \
-	      ((struct unicode_data *) step->__data)->swap = 1;		      \
+	      data->__flags |= __GCONV_SWAP;				      \
 	      *inptrp = inptr += 2;					      \
 	    }								      \
 	}								      \
@@ -71,7 +71,7 @@
       put16u (outbuf, BOM);						      \
       outbuf += 2;							      \
     }									      \
-  swap = ((struct unicode_data *) step->__data)->swap;
+  swap = data->__flags & __GCONV_SWAP;
 #define EXTRA_LOOP_ARGS		, swap
 
 
@@ -86,7 +86,6 @@ enum direction
 struct unicode_data
 {
   enum direction dir;
-  int swap;
 };
 
 
@@ -110,7 +109,6 @@ gconv_init (struct __gconv_step *step)
   if (new_data != NULL)
     {
       new_data->dir = dir;
-      new_data->swap = 0;
       step->__data = new_data;
 
       if (dir == from_unicode)
diff --git a/libc/iconvdata/utf-16.c b/libc/iconvdata/utf-16.c
index 7f6c76090..e34d23fdf 100644
--- a/libc/iconvdata/utf-16.c
+++ b/libc/iconvdata/utf-16.c
@@ -1,5 +1,5 @@
 /* Conversion module for UTF-16.
-   Copyright (C) 1999, 2000-2002, 2003, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000-2002, 2003, 2005, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -44,35 +44,42 @@
 #define PREPARE_LOOP \
   enum direction dir = ((struct utf16_data *) step->__data)->dir;	      \
   enum variant var = ((struct utf16_data *) step->__data)->var;		      \
-  if (__builtin_expect (data->__invocation_counter == 0, 0) && var == UTF_16) \
+  if (__builtin_expect (data->__invocation_counter == 0, 0))		      \
     {									      \
-      if (FROM_DIRECTION)						      \
+      if (var == UTF_16)						      \
 	{								      \
-	  /* We have to find out which byte order the file is encoded in.  */ \
-	  if (inptr + 2 > inend)					      \
-	    return (inptr == inend					      \
-		    ? __GCONV_EMPTY_INPUT : __GCONV_INCOMPLETE_INPUT);	      \
-									      \
-	  if (get16u (inptr) == BOM)					      \
-	    /* Simply ignore the BOM character.  */			      \
-	    *inptrp = inptr += 2;					      \
-	  else if (get16u (inptr) == BOM_OE)				      \
+	  if (FROM_DIRECTION)						      \
 	    {								      \
-	      ((struct utf16_data *) step->__data)->swap = 1;		      \
-	      *inptrp = inptr += 2;					      \
+	      /* We have to find out which byte order the file is	      \
+		 encoded in.  */					      \
+	      if (inptr + 2 > inend)					      \
+		return (inptr == inend					      \
+			? __GCONV_EMPTY_INPUT : __GCONV_INCOMPLETE_INPUT);    \
+									      \
+	      if (get16u (inptr) == BOM)				      \
+		/* Simply ignore the BOM character.  */			      \
+		*inptrp = inptr += 2;					      \
+	      else if (get16u (inptr) == BOM_OE)			      \
+		{							      \
+		  data->__flags |= __GCONV_SWAP;			      \
+		  *inptrp = inptr += 2;					      \
+		}							      \
 	    }								      \
-	}								      \
-      else if (!FROM_DIRECTION && !data->__internal_use)		      \
-	{								      \
-	  /* Emit the Byte Order Mark.  */				      \
-	  if (__builtin_expect (outbuf + 2 > outend, 0))		      \
-	    return __GCONV_FULL_OUTPUT;					      \
+	  else if (!FROM_DIRECTION && !data->__internal_use)		      \
+	    {								      \
+	      /* Emit the Byte Order Mark.  */				      \
+	      if (__builtin_expect (outbuf + 2 > outend, 0))		      \
+		return __GCONV_FULL_OUTPUT;				      \
 									      \
-	  put16u (outbuf, BOM);						      \
-	  outbuf += 2;							      \
+	      put16u (outbuf, BOM);					      \
+	      outbuf += 2;						      \
+	    }								      \
 	}								      \
+      else if ((var == UTF_16LE && BYTE_ORDER == BIG_ENDIAN)		      \
+	       || (var == UTF_16BE && BYTE_ORDER == LITTLE_ENDIAN))	      \
+	data->__flags |= __GCONV_SWAP;					      \
     }									      \
-  int swap = ((struct utf16_data *) step->__data)->swap;
+  const int swap = data->__flags & __GCONV_SWAP;
 #define EXTRA_LOOP_ARGS		, swap
 
 
@@ -96,7 +103,6 @@ struct utf16_data
 {
   enum direction dir;
   enum variant var;
-  int swap;
 };
 
 
@@ -151,9 +157,6 @@ gconv_init (struct __gconv_step *step)
 	{
 	  new_data->dir = dir;
 	  new_data->var = var;
-	  new_data->swap = ((var == UTF_16LE && BYTE_ORDER == BIG_ENDIAN)
-			    || (var == UTF_16BE
-				&& BYTE_ORDER == LITTLE_ENDIAN));
 	  step->__data = new_data;
 
 	  if (dir == from_utf16)
diff --git a/libc/iconvdata/utf-32.c b/libc/iconvdata/utf-32.c
index cc0265137..27ea3db60 100644
--- a/libc/iconvdata/utf-32.c
+++ b/libc/iconvdata/utf-32.c
@@ -1,5 +1,5 @@
 /* Conversion module for UTF-32.
-   Copyright (C) 1999, 2000-2002 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000-2002, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -45,7 +45,7 @@
   int swap;								      \
   if (FROM_DIRECTION && var == UTF_32)					      \
     {									      \
-      if (data->__invocation_counter == 0)				      \
+      if (__builtin_expect (data->__invocation_counter == 0, 0))	      \
 	{								      \
 	  /* We have to find out which byte order the file is encoded in.  */ \
 	  if (inptr + 4 > inend)					      \
@@ -57,7 +57,7 @@
 	    *inptrp = inptr += 4;					      \
 	  else if (get32u (inptr) == BOM_OE)				      \
 	    {								      \
-	      ((struct utf32_data *) step->__data)->swap = 1;		      \
+	      data->__flags |= __GCONV_SWAP;				      \
 	      *inptrp = inptr += 4;					      \
 	    }								      \
 	}								      \
@@ -72,7 +72,11 @@
       put32u (outbuf, BOM);						      \
       outbuf += 4;							      \
     }									      \
-  swap = ((struct utf32_data *) step->__data)->swap;
+  else if (__builtin_expect (data->__invocation_counter == 0, 0)	      \
+	   && ((var == UTF_32LE && BYTE_ORDER == BIG_ENDIAN)		      \
+	       || (var == UTF_32BE && BYTE_ORDER == LITTLE_ENDIAN)))	      \
+    data->__flags |= __GCONV_SWAP;					      \
+  swap = data->__flags & __GCONV_SWAP;
 #define EXTRA_LOOP_ARGS		, var, swap
 
 
@@ -96,7 +100,6 @@ struct utf32_data
 {
   enum direction dir;
   enum variant var;
-  int swap;
 };
 
 
@@ -151,9 +154,6 @@ gconv_init (struct __gconv_step *step)
 	{
 	  new_data->dir = dir;
 	  new_data->var = var;
-	  new_data->swap = ((var == UTF_32LE && BYTE_ORDER == BIG_ENDIAN)
-			    || (var == UTF_32BE
-				&& BYTE_ORDER == LITTLE_ENDIAN));
 	  step->__data = new_data;
 
 	  if (dir == from_utf32)
@@ -216,9 +216,8 @@ gconv_end (struct __gconv_step *data)
       }									      \
 									      \
     if (swap)								      \
-      put32 (outptr, bswap_32 (c));					      \
-    else								      \
-      put32 (outptr, c);						      \
+      c = bswap_32 (c);							      \
+    put32 (outptr, c);							      \
 									      \
     outptr += 4;							      \
     inptr += 4;								      \