Update.

2000-06-12  Ulrich Drepper  <drepper@redhat.com>

	* Rules (%.out): Define GCONV_PATH in the environment.
	* assert/Depend: New file.
	* iconvdata/Depend: New file.
	* intl/Depend: New file.
	* timezone/Makefile (build-testdata): Add GCONV_PATH to environment.
	* intl/tst-gettext.sh: Likewise.
	* iconv/Makefile (routines): Add gconv_trans.
	* iconv/gconv_trans.c: New file.
	* iconv/gconv.h (struct __gconv_trans_data): New type.
	(__gconv_fct): New parameter with starting position in output buffer.
	(__gconv_trans_fct, __gconv_trans_context_fct, __gconv_trans_query_fct,
	__gconv_trans_init_fct, __gconv_trans_end_fct): New types.
	(struct __gconv_step): Add new member __trans.
	* iconv/gconv_int.h: Pretty print prototypes.
	(gconv_transliterate): New prototype.
	(__BUILTIN_TRANS): Update for new conversion function interface.
	* iconv/gconv.c (__gconv): Pass new parameter to conversion function.
	* iconv/gconv_open.c (__gconv_open): Recognize error handling suffix
	in names, find appropriate function, and install in the conversion
	steps it can be used.
	* iconv/skeleton.c: Add additional parameter for beginning of output
	buffer.  Change calls of downstream functions.
	* iconv/loop.c: Change loop function interface completely.  Pass in
	step and step_data structure.  Remove optimization for BODY with
	NEED_LENGTH_TEST == 0.
	* iconv/gconv_simple.c: Update interfaces of functions.  Insert
	appropriate error handling code to use transliteration steps.  Remove
	optimization for BODY with NEED_LENGTH_TEST == 0.
	* iconvdata/8bit-gap.c: Likewise.
	* iconvdata/8bit-generic.c: Likewise.
	* iconvdata/ansi_x3.110.c: Likewise.
	* iconvdata/big5.c: Likewise.
	* iconvdata/big5hkscs.c: Likewise.
	* iconvdata/euc-cn.c: Likewise.
	* iconvdata/euc-jp.c: Likewise.
	* iconvdata/euc-kr.c: Likewise.
	* iconvdata/euc-tw.c: Likewise.
	* iconvdata/gbgbk.c: Likewise.
	* iconvdata/gbk.c: Likewise.
	* iconvdata/iso-2022-cn.c: Likewise.
	* iconvdata/iso-2022-jp.c: Likewise.
	* iconvdata/iso-2022-kr.c: Likewise.
	* iconvdata/iso646.c: Likewise.
	* iconvdata/iso8859-1.c: Likewise.
	* iconvdata/iso_6937-2.c: Likewise.
	* iconvdata/iso_6937.c: Likewise.
	* iconvdata/johab.c: Likewise.
	* iconvdata/sjis.c: Likewise.
	* iconvdata/t.61.c: Likewise.
	* iconvdata/uhc.c: Likewise.
	* iconvdata/unicode.c: Likewise.
	* iconvdata/utf-16.c: Likewise.
	* libio/iofwide.c: Adjust to new interface of gconv functions.  Use
	DL_CALL_FCT.
	* wcsmbs/btowc.c: Likewise.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.

24 files changed, 776 insertions, 326 deletions

diff --git a/iconvdata/8bit-gap.c b/iconvdata/8bit-gap.c
index 2d66f8b666..23a63fd9e4 100644
--- a/iconvdata/8bit-gap.c
+++ b/iconvdata/8bit-gap.c
@@ -19,6 +19,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <dlfcn.h>
 #include <stdint.h>
 
 struct gap
@@ -67,6 +68,7 @@ struct gap
 									      \
     ++inptr;								      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
@@ -83,7 +85,15 @@ struct gap
     if (__builtin_expect (ch, 0) >= 0xffff)				      \
       {									      \
 	/* This is an illegal character.  */				      \
-	if (! ignore_errors_p ())					      \
+	if (step_data->__trans.__trans_fct != NULL)			      \
+	  {								      \
+	    result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				  (step, step_data, *inptrp, &inptr, inend,   \
+				   *outptrp, &outptr, outend, irreversible)); \
+	    if (result != __GCONV_OK)					      \
+	      break;							      \
+	  }								      \
+	else if (! ignore_errors_p ())					      \
 	  {								      \
 	    result = __GCONV_ILLEGAL_INPUT;				      \
 	    break;							      \
@@ -98,14 +108,24 @@ struct gap
     if (__builtin_expect (ch < rp->start, 0))				      \
       {									      \
 	/* This is an illegal character.  */				      \
-	if (! ignore_errors_p ())					      \
+	if (step_data->__trans.__trans_fct != NULL)			      \
+	  {								      \
+	    result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				  (step, step_data, *inptrp, &inptr, inend,   \
+				   *outptrp, &outptr, outend, irreversible)); \
+	    if (result != __GCONV_OK)					      \
+	      break;							      \
+	  }								      \
+	else if (! ignore_errors_p ())					      \
 	  {								      \
 	    result = __GCONV_ILLEGAL_INPUT;				      \
 	    break;							      \
 	  }								      \
-									      \
-	++*irreversible;						      \
-	inptr += 4;							      \
+	else								      \
+	  {								      \
+	    ++*irreversible;						      \
+	    inptr += 4;							      \
+	  }								      \
 	continue;							      \
       }									      \
 									      \
@@ -113,20 +133,31 @@ struct gap
     if (__builtin_expect (res, '\1') == '\0' && ch != 0)		      \
       {									      \
 	/* This is an illegal character.  */				      \
-	if (! ignore_errors_p ())					      \
+	if (step_data->__trans.__trans_fct != NULL)			      \
+	  {								      \
+	    result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				  (step, step_data, *inptrp, &inptr, inend,   \
+				   *outptrp, &outptr, outend, irreversible)); \
+	    if (result != __GCONV_OK)					      \
+	      break;							      \
+	  }								      \
+	else if (! ignore_errors_p ())					      \
 	  {								      \
 	    result = __GCONV_ILLEGAL_INPUT;				      \
 	    break;							      \
 	  }								      \
-									      \
-	++*irreversible;						      \
-	inptr += 4;							      \
+	else								      \
+	  {								      \
+	    ++*irreversible;						      \
+	    inptr += 4;							      \
+	  }								      \
 	continue;							      \
       }									      \
 									      \
     *outptr++ = res;							      \
     inptr += 4;								      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
diff --git a/iconvdata/8bit-generic.c b/iconvdata/8bit-generic.c
index 97ca193194..62160c6efa 100644
--- a/iconvdata/8bit-generic.c
+++ b/iconvdata/8bit-generic.c
@@ -18,6 +18,8 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <dlfcn.h>
+
 #define FROM_LOOP		from_generic
 #define TO_LOOP			to_generic
 #define DEFINE_INIT		1
@@ -50,6 +52,7 @@
     outptr += 4;							      \
     ++inptr;								      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
@@ -65,19 +68,32 @@
 	|| (__builtin_expect (from_ucs4[ch], '\1') == '\0' && ch != 0))	      \
       {									      \
 	/* This is an illegal character.  */				      \
-	if (! ignore_errors_p ())					      \
+	if (step_data->__trans.__trans_fct != NULL)			      \
+	  {								      \
+	    result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				  (step, step_data, *inptrp, &inptr, inend,   \
+				   *outptrp, &outptr, outend, irreversible)); \
+	    if (result != __GCONV_OK)					      \
+	      break;							      \
+	  }								      \
+	else if (! ignore_errors_p ())					      \
 	  {								      \
 	    result = __GCONV_ILLEGAL_INPUT;				      \
 	    break;							      \
 	  }								      \
-									      \
-	++*irreversible;						      \
+	else								      \
+	  {								      \
+	    ++*irreversible;						      \
+	    inptr += 4;							      \
+	  }								      \
       }									      \
     else								      \
-      *outptr++ = from_ucs4[ch];					      \
-									      \
-    inptr += 4;								      \
+      {									      \
+	*outptr++ = from_ucs4[ch];					      \
+	inptr += 4;							      \
+      }									      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
diff --git a/iconvdata/ansi_x3.110.c b/iconvdata/ansi_x3.110.c
index 2dd082d3b9..f403773d9d 100644
--- a/iconvdata/ansi_x3.110.c
+++ b/iconvdata/ansi_x3.110.c
@@ -18,6 +18,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <dlfcn.h>
 #include <gconv.h>
 #include <stdint.h>
 #include <string.h>
@@ -407,7 +408,7 @@ static const char from_ucs4[][2] =
 	   is also available.  */					      \
 	uint32_t ch2;							      \
 									      \
-	if (NEED_LENGTH_TEST && inptr + 1 >= inend)			      \
+	if (inptr + 1 >= inend)						      \
 	  {								      \
 	    /* The second character is not available.  */		      \
 	    result = __GCONV_INCOMPLETE_INPUT;				      \
@@ -458,6 +459,7 @@ static const char from_ucs4[][2] =
 									      \
     inptr += incr;							      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
@@ -495,14 +497,25 @@ static const char from_ucs4[][2] =
 	    if (tmp[0] == '\0')						      \
 	      {								      \
 		/* Illegal characters.  */				      \
-		if (! ignore_errors_p ())				      \
+		if (step_data->__trans.__trans_fct != NULL)		      \
+		  {							      \
+		    result = DL_CALL_FCT (step_data->__trans.__trans_fct,     \
+					  (step, step_data, *inptrp, &inptr,  \
+					   inend, *outptrp, &outptr, outend,  \
+					   irreversible));		      \
+		    if (result != __GCONV_OK)				      \
+		      break;						      \
+		  }							      \
+		else if (! ignore_errors_p ())				      \
 		  {							      \
 		    result = __GCONV_ILLEGAL_INPUT;			      \
 		    break;						      \
 		  }							      \
-									      \
-		++*irreversible;					      \
-		inptr += 4;						      \
+		else							      \
+		  {							      \
+		    ++*irreversible;					      \
+		    inptr += 4;						      \
+		  }							      \
 		continue;						      \
 	      }								      \
 	    tmp[1] = '\0';						      \
@@ -543,14 +556,25 @@ static const char from_ucs4[][2] =
 	else								      \
 	  {								      \
 	    /* Illegal characters.  */					      \
-	    if (! ignore_errors_p ())					      \
+	    if (step_data->__trans.__trans_fct != NULL)			      \
+	      {								      \
+		result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				      (step, step_data, *inptrp, &inptr,      \
+				       inend, *outptrp, &outptr, outend,      \
+				       irreversible));			      \
+		if (result != __GCONV_OK)				      \
+		  break;						      \
+	      }								      \
+	    else if (! ignore_errors_p ())				      \
 	      {								      \
 		result = __GCONV_ILLEGAL_INPUT;				      \
 		break;							      \
 	      }								      \
-									      \
-	    ++*irreversible;						      \
-	    inptr += 4;							      \
+	    else							      \
+	      {								      \
+		++*irreversible;					      \
+		inptr += 4;						      \
+	      }								      \
 	    continue;							      \
 	  }								      \
       }									      \
@@ -561,14 +585,25 @@ static const char from_ucs4[][2] =
 	if (__builtin_expect (cp[0], '\1') == '\0' && ch != 0)		      \
 	  {								      \
 	    /* Illegal characters.  */					      \
-	    if (! ignore_errors_p ())					      \
+	    if (step_data->__trans.__trans_fct != NULL)			      \
+	      {								      \
+		result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				      (step, step_data, *inptrp, &inptr,      \
+				       inend, *outptrp, &outptr, outend,      \
+				       irreversible));			      \
+		if (result != __GCONV_OK)				      \
+		  break;						      \
+	      }								      \
+	    else if (! ignore_errors_p ())				      \
 	      {								      \
 		result = __GCONV_ILLEGAL_INPUT;				      \
 		break;							      \
 	      }								      \
-									      \
-	    ++*irreversible;						      \
-	    inptr += 4;							      \
+	    else							      \
+	      {								      \
+		++*irreversible;					      \
+		inptr += 4;						      \
+	      }								      \
 	    continue;							      \
 	  }								      \
       }									      \
@@ -577,7 +612,7 @@ static const char from_ucs4[][2] =
     /* Now test for a possible second byte and write this if possible.  */    \
     if (cp[1] != '\0')							      \
       {									      \
-	if (NEED_LENGTH_TEST && __builtin_expect (outptr >= outend, 0))	      \
+	if (__builtin_expect (outptr >= outend, 0))	 		      \
 	  {								      \
 	    /* The result does not fit into the buffer.  */		      \
 	    --outptr;							      \
@@ -590,6 +625,7 @@ static const char from_ucs4[][2] =
 									      \
     inptr += 4;								      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
diff --git a/iconvdata/big5.c b/iconvdata/big5.c
index a52f850f73..2e039376d0 100644
--- a/iconvdata/big5.c
+++ b/iconvdata/big5.c
@@ -18,6 +18,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <dlfcn.h>
 #include <gconv.h>
 #include <stdint.h>
 #include <stdlib.h>
@@ -8438,7 +8439,7 @@ static const char from_ucs4_tab13[][2] =
 	uint32_t ch2;							      \
 	int idx;							      \
 									      \
-	if (NEED_LENGTH_TEST && inptr + 1 >= inend)			      \
+	if (__builtin_expect (inptr + 1 >= inend, 0))			      \
 	  {								      \
 	    /* The second character is not available.  */		      \
 	    result = __GCONV_INCOMPLETE_INPUT;				      \
@@ -8493,6 +8494,7 @@ static const char from_ucs4_tab13[][2] =
     put32 (outptr, ch);							      \
     outptr += 4;							      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
@@ -8583,18 +8585,30 @@ static const char from_ucs4_tab13[][2] =
     if (__builtin_expect (cp[0], '\1') == '\0' && ch != 0)		      \
       {									      \
 	/* Illegal character.  */					      \
-	if (! ignore_errors_p ())					      \
+	if (step_data->__trans.__trans_fct != NULL)			      \
+	  {								      \
+	    result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				  (step, step_data, *inptrp, &inptr, inend,   \
+				   *outptrp, &outptr, outend, irreversible)); \
+	    if (result != __GCONV_OK)					      \
+	      break;							      \
+	  }								      \
+	else if (! ignore_errors_p ())					      \
 	  {								      \
 	    result = __GCONV_ILLEGAL_INPUT;				      \
 	    break;							      \
 	  }								      \
-									      \
-	++*irreversible;						      \
+	else								      \
+	  {								      \
+	    ++*irreversible;						      \
+	    inptr += 4;							      \
+	  }								      \
+	continue;							      \
       }									      \
     else								      \
       {									      \
 	/* See whether there is enough room for the second byte we write.  */ \
-	if (NEED_LENGTH_TEST && __builtin_expect (cp[1], '\1') != '\0'	      \
+	if (__builtin_expect (cp[1], '\1') != '\0'			      \
 	    && __builtin_expect (outptr + 1 >= outend, 0))		      \
 	  {								      \
 	    /* We have not enough room.  */				      \
@@ -8609,6 +8623,7 @@ static const char from_ucs4_tab13[][2] =
 									      \
     inptr += 4;								      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
diff --git a/iconvdata/big5hkscs.c b/iconvdata/big5hkscs.c
index 1ca22d65a6..b5fe9663e5 100644
--- a/iconvdata/big5hkscs.c
+++ b/iconvdata/big5hkscs.c
@@ -19,6 +19,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <dlfcn.h>
 #include <gconv.h>
 #include <stdint.h>
 #include <stdlib.h>
@@ -12592,7 +12593,7 @@ static const char from_ucs4_tab14[][2] =
 	uint32_t ch2;							      \
 	int idx;							      \
 									      \
-	if (NEED_LENGTH_TEST && inptr + 1 >= inend)			      \
+	if (__builtin_expect (inptr + 1 >= inend, 0))			      \
 	  {								      \
 	    /* The second character is not available.  */		      \
 	    result = __GCONV_INCOMPLETE_INPUT;				      \
@@ -12647,6 +12648,7 @@ static const char from_ucs4_tab14[][2] =
     put32 (outptr, ch);							      \
     outptr += 4;							      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
@@ -12740,18 +12742,30 @@ static const char from_ucs4_tab14[][2] =
     if (__builtin_expect (cp[0], '\1') == '\0' && ch != 0)		      \
       {									      \
 	/* Illegal character.  */					      \
-	if (! ignore_errors_p ())					      \
+	if (step_data->__trans.__trans_fct != NULL)			      \
+	  {								      \
+	    result = DL_CALL_FCT (step_data->__trans.__trans_fct,	      \
+				  (step, step_data, *inptrp, &inptr, inend,   \
+				   *outptrp, &outptr, outend, irreversible)); \
+	    if (result != __GCONV_OK)					      \
+	      break;							      \
+	  }								      \
+	else if (! ignore_errors_p ())					      \
 	  {								      \
 	    result = __GCONV_ILLEGAL_INPUT;				      \
 	    break;							      \
 	  }								      \
-									      \
-	++*irreversible;						      \
+	else								      \
+	  {								      \
+	    ++*irreversible;						      \
+	    inptr += 4;							      \
+	  }								      \
+	continue;							      \
       }									      \
     else								      \
       {									      \
 	/* See whether there is enough room for the second byte we write.  */ \
-	if (NEED_LENGTH_TEST && __builtin_expect (cp[1], '\1') != '\0'	      \
+	if (__builtin_expect (cp[1], '\1') != '\0'			      \
 	    && __builtin_expect (outptr + 1 >= outend, 0))		      \
 	  {								      \
 	    /* We have not enough room.  */				      \
@@ -12766,6 +12780,7 @@ static const char from_ucs4_tab14[][2] =
 									      \
     inptr += 4;								      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
diff --git a/iconvdata/euc-cn.c b/iconvdata/euc-cn.c
index 2c2b36e433..c7a02c2cd4 100644
--- a/iconvdata/euc-cn.c
+++ b/iconvdata/euc-cn.c
@@ -18,6 +18,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <dlfcn.h>
 #include <gb2312.h>
 #include <stdint.h>
 
@@ -64,7 +65,7 @@
 	     next character is also available.  */			      \
 	  const unsigned char *endp;					      \
 									      \
-	  if (NEED_LENGTH_TEST && __builtin_expect (inptr + 1 >= inend, 0))   \
+	  if (__builtin_expect (inptr + 1 >= inend, 0))			      \
 	    {								      \
 	      /* The second character is not available.  Store		      \
 		 the intermediate result.  */				      \
@@ -114,6 +115,7 @@
     put32 (outptr, ch);							      \
     outptr += 4;							      \
   }
+#define LOOP_NEED_FLAGS
 #include <iconv/loop.c>
 
 
@@ -133,22 +1