Update.

2002-11-30  Bruno Haible  <bruno@clisp.org>

	* iconv/gconv.h (__gconv_btowc_fct): New typedef.
	(struct __gconv_step): New field __btowc_fct.
	* wcsmbs/btowc.c (__btowc): Use the __btowc_fct shortcut if possible.
	* iconv/gconv_int.h (__BUILTIN_TRANSFORM): Renamed from
	__BUILTIN_TRANS.
	(__gconv_btwoc_ascii): New declaration.
	* iconv/gconv_simple.c (BUILTIN_TRANSFORMATION): Add BtowcFct argument.
	(__gconv_btwoc_ascii): New function.
	* iconv/gconv_builtin.h: Add BtowcFct argument to all
	BUILTIN_TRANSFORMATION invocations.
	* iconv/gconv_conf.c (BUILTIN_TRANSFORMATION): Add BtowcFct argument.
	* iconv/iconvconfig.c (BUILTIN_TRANSFORMATION): Likewise.
	* iconv/gconv_builtin.c (map): New field btowc_fct.
	(BUILTIN_TRANSFORMATION): Add BtowcFct argument. Use it to initialize
	btowc_fct field.
	(__gconv_get_builtin_trans): Initialize __btowc_fct field.
	* iconv/gconv_cache.c (find_module): Initialize __btowc_fct field.
	* iconv/gconv_db.c (gen_steps, increment_counter): Likewise.
	* wcsmbs/wcsmbsload.c (to_wc, to_mb): Likewise.
	* iconv/skeleton.c: Document STORE_REST and FROM_ONEBYTE.
	(gconv_init): Initialize __btowc_fct field.
	Undefine EXTRA_LOOP_ARGS and FROM_ONEBYTE at the end.
	* iconv/loop.c: Document ONEBYTE_BODY.
	(gconv_btowc, FROM_ONEBYTE): Define if ONEBYTE_BODY is defined.
	Undefine ONEBYTE_BODY at the end.
	* iconvdata/8bit-generic.c (ONEBYTE_BODY): New macro.
	* iconvdata/8bit-gap.c (NONNUL): New macro.
	(BODY for FROM_LOOP): Use it.
	(ONEBYTE_BODY): New macro.
	* iconvdata/isiri-3342.c (HAS_HOLES): Set to 1.
	(NONNUL): New macro.
	* iconvdata/ansi_x3.110.c (ONEBYTE_BODY): New macro.
	* iconvdata/armscii-8.c (ONEBYTE_BODY): New macro.
	* iconvdata/cp1255.c (ONEBYTE_BODY): New macro.
	* iconvdata/cp1258.c (ONEBYTE_BODY): New macro.
	* iconvdata/tcvn5712-1.c (ONEBYTE_BODY): New macro.
	* iconvdata/big5.c (ONEBYTE_BODY): New macro.
	* iconvdata/big5hkscs.c (ONEBYTE_BODY): New macro.
	* iconvdata/euc-cn.c (ONEBYTE_BODY): New macro.
	* iconvdata/euc-jp.c (ONEBYTE_BODY): New macro.
	* iconvdata/euc-jisx0213.c (ONEBYTE_BODY): New macro.
	* iconvdata/euc-kr.c (ONEBYTE_BODY): New macro.
	* iconvdata/euc-tw.c (ONEBYTE_BODY): New macro.
	* iconvdata/gbk.c (ONEBYTE_BODY): New macro.
	* iconvdata/gb18030.c (ONEBYTE_BODY): New macro.
	* iconvdata/ibm932.c: Include <stdbool.h>.
	(TRUE, FALSE): Remove macros.
	(BODY for FROM_LOOP): Remove unused variable rp1.
	(ONEBYTE_BODY): New macro.
	(BODY for TO_LOOP): Use bool.
	* iconvdata/ibm932.h (__ibm932sb_to_ucs4_idx): Remove array.
	* iconvdata/ibm943.c: Include <stdbool.h>.
	(TRUE, FALSE): Remove macros.
	(BODY for FROM_LOOP): Remove unused variable rp1.
	(ONEBYTE_BODY): New macro.
	(BODY for TO_LOOP): Use bool.
	* iconvdata/ibm943.h (__ibm943sb_to_ucs4_idx): Remove array.
	* iconvdata/iso8859-1.c (ONEBYTE_BODY): New macro.
	* iconvdata/iso_6937-2.c (ONEBYTE_BODY): New macro.
	* iconvdata/iso_6937.c (ONEBYTE_BODY): New macro.
	* iconvdata/johab.c (ONEBYTE_BODY): New macro.
	* iconvdata/sjis.c (ONEBYTE_BODY): New macro.
	* iconvdata/shift_jisx0213.c (ONEBYTE_BODY): New macro.
	* iconvdata/t.61.c (ONEBYTE_BODY): New macro.
	* iconvdata/uhc.c (ONEBYTE_BODY): New macro.
	* iconvdata/gbbig5.c: Tweak comment.

1 files changed, 13 insertions, 0 deletions

diff --git a/iconv/loop.c b/iconv/loop.c
index deb0173930..b0b76f32e8 100644
--- a/iconv/loop.c
+++ b/iconv/loop.c
@@ -43,6 +43,9 @@
 
      INIT_PARAMS	code to define and initialize variables from params.
      UPDATE_PARAMS	code to store result in params.
+
+     ONEBYTE_BODY	body of the specialized conversion function for a
+			single byte from the current character set to INTERNAL.
 */
 
 #include <assert.h>
@@ -453,6 +456,15 @@ SINGLE(LOOPFCT) (struct __gconv_step *step,
 #endif
 
 
+#ifdef ONEBYTE_BODY
+/* Define the shortcut function for btowc.  */
+static wint_t
+gconv_btowc (struct __gconv_step *step, unsigned char c)
+  ONEBYTE_BODY
+# define FROM_ONEBYTE gconv_btowc
+#endif
+
+
 /* We remove the macro definitions so that we can include this file again
    for the definition of another function.  */
 #undef MIN_NEEDED_INPUT
@@ -465,6 +477,7 @@ SINGLE(LOOPFCT) (struct __gconv_step *step,
 #undef EXTRA_LOOP_DECLS
 #undef INIT_PARAMS
 #undef UPDATE_PARAMS
+#undef ONEBYTE_BODY
 #undef UNPACK_BYTES
 #undef LOOP_NEED_STATE
 #undef LOOP_NEED_FLAGS