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Diffstat (limited to 'iconvdata/utf-32.c')
-rw-r--r--iconvdata/utf-32.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/iconvdata/utf-32.c b/iconvdata/utf-32.c
index cc02651374..27ea3db607 100644
--- a/iconvdata/utf-32.c
+++ b/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; \