* iconv/gconv.c: Demangle pointers before use if necessary.cvs/fedora-glibc-20051219T1003

	* iconv/gconv_cache.c: Likewise.
	* iconv/skeleton.c: Likewise.
	* libio/iofwide.c: Likewise.
	* wcsmbs/btowc.c: Likewise.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs_l.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.
	* iconv_gconv_db.c: Likewise.  After init functions returns mangle
	btowc pointer if necessary.
	* iconv/gconv_dl.c: Mangle function pointers retrieved from dlsym.

8 files changed, 90 insertions, 46 deletions

diff --git a/wcsmbs/btowc.c b/wcsmbs/btowc.c
index 6add7ed..6517d4f 100644
--- a/wcsmbs/btowc.c
+++ b/wcsmbs/btowc.c
@@ -26,6 +26,8 @@
 #include <wcsmbsload.h>
 #include <limits.h>
 
+#include <sysdep.h>
+
 
 wint_t
 __btowc (c)
@@ -45,13 +47,17 @@ __btowc (c)
 
   /* Get the conversion functions.  */
   fcts = get_gconv_fcts (_NL_CURRENT_DATA (LC_CTYPE));
+  __gconv_btowc_fct btowc_fct = fcts->towc->__btowc_fct;
 
   if (__builtin_expect (fcts->towc_nsteps == 1, 1)
-      && __builtin_expect (fcts->towc->__btowc_fct != NULL, 1))
+      && __builtin_expect (btowc_fct != NULL, 1))
     {
       /* Use the shortcut function.  */
-      return DL_CALL_FCT (fcts->towc->__btowc_fct,
-			  (fcts->towc, (unsigned char) c));
+#ifdef PTR_DEMANGLE
+      if (fcts->towc->__shlib_handle != NULL)
+	PTR_DEMANGLE (btowc_fct);
+#endif
+      return DL_CALL_FCT (btowc_fct, (fcts->towc, (unsigned char) c));
     }
   else
     {
@@ -78,9 +84,13 @@ __btowc (c)
       /* Create the input string.  */
       inbuf[0] = c;
 
-      status = DL_CALL_FCT (fcts->towc->__fct,
-			    (fcts->towc, &data, &inptr, inptr + 1,
-			     NULL, &dummy, 0, 1));
+      __gconv_fct fct = fcts->towc->__fct;
+#ifdef PTR_DEMANGLE
+      if (fcts->towc->__shlib_handle != NULL)
+	PTR_DEMANGLE (fct);
+#endif
+      status = DL_CALL_FCT (fct, (fcts->towc, &data, &inptr, inptr + 1,
+				  NULL, &dummy, 0, 1));
 
       if (status != __GCONV_OK && status != __GCONV_FULL_OUTPUT
 	  && status != __GCONV_EMPTY_INPUT)
diff --git a/wcsmbs/mbrtowc.c b/wcsmbs/mbrtowc.c
index eb2a312..b534571 100644
--- a/wcsmbs/mbrtowc.c
+++ b/wcsmbs/mbrtowc.c
@@ -18,13 +18,14 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <assert.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <gconv.h>
 #include <wchar.h>
 #include <wcsmbsload.h>
 
-#include <assert.h>
+#include <sysdep.h>
 
 #ifndef EILSEQ
 # define EILSEQ EINVAL
@@ -73,9 +74,13 @@ __mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
   endbuf = inbuf + n;
   if (__builtin_expect (endbuf < inbuf, 0))
     endbuf = (const unsigned char *) ~(uintptr_t) 0;
-  status = DL_CALL_FCT (fcts->towc->__fct,
-			(fcts->towc, &data, &inbuf, endbuf,
-			 NULL, &dummy, 0, 1));
+  __gconv_fct fct = fcts->towc->__fct;
+#ifdef PTR_DEMANGLE
+  if (fcts->towc->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
+  status = DL_CALL_FCT (fct, (fcts->towc, &data, &inbuf, endbuf,
+			      NULL, &dummy, 0, 1));
 
   /* There must not be any problems with the conversion but illegal input
      characters.  The output buffer must be large enough, otherwise the
diff --git a/wcsmbs/mbsnrtowcs.c b/wcsmbs/mbsnrtowcs.c
index ef5ca06..8d0b9d3 100644
--- a/wcsmbs/mbsnrtowcs.c
+++ b/wcsmbs/mbsnrtowcs.c
@@ -17,6 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <assert.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <gconv.h>
@@ -24,7 +25,7 @@
 #include <wchar.h>
 #include <wcsmbsload.h>
 
-#include <assert.h>
+#include <sysdep.h>
 
 #ifndef EILSEQ
 # define EILSEQ EINVAL
@@ -69,6 +70,11 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
 
   /* Get the structure with the function pointers.  */
   towc = fcts->towc;
+  __gconv_fct fct = towc->__fct;
+#ifdef PTR_DEMANGLE
+  if (towc->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
 
   /* We have to handle DST == NULL special.  */
   if (dst == NULL)
@@ -82,9 +88,8 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
 	{
 	  data.__outbuf = (unsigned char *) buf;
 
-	  status = DL_CALL_FCT (towc->__fct,
-				(towc, &data, &inbuf, srcend, NULL,
-				 &dummy, 0, 1));
+	  status = DL_CALL_FCT (fct, (towc, &data, &inbuf, srcend, NULL,
+				      &dummy, 0, 1));
 
 	  result += (wchar_t *) data.__outbuf - buf;
 	}
@@ -103,7 +108,7 @@ __mbsnrtowcs (dst, src, nmc, len, ps)
       data.__outbuf = (unsigned char *) dst;
       data.__outbufend = data.__outbuf + len * sizeof (wchar_t);
 
-      status = DL_CALL_FCT (towc->__fct,
+      status = DL_CALL_FCT (fct,
 			    (towc, &data, (const unsigned char **) src, srcend,
 			     NULL, &dummy, 0, 1));
 
diff --git a/wcsmbs/mbsrtowcs_l.c b/wcsmbs/mbsrtowcs_l.c
index c44c8e5..264c410 100644
--- a/wcsmbs/mbsrtowcs_l.c
+++ b/wcsmbs/mbsrtowcs_l.c
@@ -17,6 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <assert.h>
 #include <ctype.h>
 #include <string.h>
 #include "wcsmbsload.h"
@@ -28,7 +29,7 @@
 #include <wchar.h>
 #include <wcsmbsload.h>
 
-#include <assert.h>
+#include <sysdep.h>
 
 #ifndef EILSEQ
 # define EILSEQ EINVAL
@@ -63,6 +64,11 @@ __mbsrtowcs_l (dst, src, len, ps, l)
 
   /* Get the structure with the function pointers.  */
   towc = fcts->towc;
+  __gconv_fct fct = towc->__fct;
+#ifdef PTR_DEMANGLE
+  if (towc->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
 
   /* We have to handle DST == NULL special.  */
   if (dst == NULL)
@@ -81,9 +87,8 @@ __mbsrtowcs_l (dst, src, len, ps, l)
 	{
 	  data.__outbuf = (unsigned char *) buf;
 
-	  status = DL_CALL_FCT (towc->__fct,
-				(towc, &data, &inbuf, srcend, NULL,
-				 &non_reversible, 0, 1));
+	  status = DL_CALL_FCT (fct, (towc, &data, &inbuf, srcend, NULL,
+				      &non_reversible, 0, 1));
 
 	  result += (wchar_t *) data.__outbuf - buf;
 	}
@@ -116,9 +121,8 @@ __mbsrtowcs_l (dst, src, len, ps, l)
 	     worst case we need one input byte for one output wchar_t.  */
 	  srcend = srcp + __strnlen ((const char *) srcp, len) + 1;
 
-	  status = DL_CALL_FCT (towc->__fct,
-				(towc, &data, &srcp, srcend, NULL,
-				 &non_reversible, 0, 1));
+	  status = DL_CALL_FCT (fct, (towc, &data, &srcp, srcend, NULL,
+				      &non_reversible, 0, 1));
 	  if ((status != __GCONV_EMPTY_INPUT
 	       && status != __GCONV_INCOMPLETE_INPUT)
 	      /* Not all input read.  */
diff --git a/wcsmbs/wcrtomb.c b/wcsmbs/wcrtomb.c
index f7971e7..aa51b68 100644
--- a/wcsmbs/wcrtomb.c
+++ b/wcsmbs/wcrtomb.c
@@ -17,6 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <assert.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <gconv.h>
@@ -24,7 +25,7 @@
 #include <wchar.h>
 #include <wcsmbsload.h>
 
-#include <assert.h>
+#include <sysdep.h>
 
 #ifndef EILSEQ
 # define EILSEQ EINVAL
@@ -65,15 +66,19 @@ __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
 
   /* Get the conversion functions.  */
   fcts = get_gconv_fcts (_NL_CURRENT_DATA (LC_CTYPE));
+  __gconv_fct fct = fcts->tomb->__fct;
+#ifdef PTR_DEMANGLE
+  if (fcts->tomb->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
 
   /* If WC is the NUL character we write into the output buffer the byte
      sequence necessary for PS to get into the initial state, followed
      by a NUL byte.  */
   if (wc == L'\0')
     {
-      status = DL_CALL_FCT (fcts->tomb->__fct,
-			    (fcts->tomb, &data, NULL, NULL,
-			     NULL, &dummy, 1, 1));
+      status = DL_CALL_FCT (fct, (fcts->tomb, &data, NULL, NULL,
+				  NULL, &dummy, 1, 1));
 
       if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT)
 	*data.__outbuf++ = '\0';
@@ -83,7 +88,7 @@ __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
       /* Do a normal conversion.  */
       const unsigned char *inbuf = (const unsigned char *) &wc;
 
-      status = DL_CALL_FCT (fcts->tomb->__fct,
+      status = DL_CALL_FCT (fct,
 			    (fcts->tomb, &data, &inbuf,
 			     inbuf + sizeof (wchar_t), NULL, &dummy, 0, 1));
     }
diff --git a/wcsmbs/wcsnrtombs.c b/wcsmbs/wcsnrtombs.c
index 0252b7f..171fc3c 100644
--- a/wcsmbs/wcsnrtombs.c
+++ b/wcsmbs/wcsnrtombs.c
@@ -17,13 +17,14 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <assert.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <gconv.h>
 #include <wchar.h>
 #include <wcsmbsload.h>
 
-#include <assert.h>
+#include <sysdep.h>
 
 #ifndef EILSEQ
 # define EILSEQ EINVAL
@@ -67,6 +68,11 @@ __wcsnrtombs (dst, src, nwc, len, ps)
 
   /* Get the structure with the function pointers.  */
   tomb = fcts->tomb;
+  __gconv_fct fct = tomb->__fct;
+#ifdef PTR_DEMANGLE
+  if (tomb->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
 
   /* We have to handle DST == NULL special.  */
   if (dst == NULL)
@@ -82,10 +88,9 @@ __wcsnrtombs (dst, src, nwc, len, ps)
 	{
 	  data.__outbuf = buf;
 
-	  status = DL_CALL_FCT (tomb->__fct,
-				(tomb, &data, &inbuf,
-				 (const unsigned char *) srcend, NULL,
-				 &dummy, 0, 1));
+	  status = DL_CALL_FCT (fct, (tomb, &data, &inbuf,
+				      (const unsigned char *) srcend, NULL,
+				      &dummy, 0, 1));
 
 	  /* Count the number of bytes.  */
 	  result += data.__outbuf - buf;
@@ -107,10 +112,9 @@ __wcsnrtombs (dst, src, nwc, len, ps)
       data.__outbuf = (unsigned char *) dst;
       data.__outbufend = (unsigned char *) dst + len;
 
-      status = DL_CALL_FCT (tomb->__fct,
-			    (tomb, &data, (const unsigned char **) src,
-			     (const unsigned char *) srcend, NULL,
-			     &dummy, 0, 1));
+      status = DL_CALL_FCT (fct, (tomb, &data, (const unsigned char **) src,
+				  (const unsigned char *) srcend, NULL,
+				  &dummy, 0, 1));
 
       /* Count the number of bytes.  */
       result = data.__outbuf - (unsigned char *) dst;
diff --git a/wcsmbs/wcsrtombs.c b/wcsmbs/wcsrtombs.c
index d41ca53..5973fd9 100644
--- a/wcsmbs/wcsrtombs.c
+++ b/wcsmbs/wcsrtombs.c
@@ -17,6 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <assert.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -24,7 +25,7 @@
 #include <wchar.h>
 #include <wcsmbsload.h>
 
-#include <assert.h>
+#include <sysdep.h>
 
 #ifndef EILSEQ
 # define EILSEQ EINVAL
@@ -59,6 +60,11 @@ __wcsrtombs (dst, src, len, ps)
 
   /* Get the structure with the function pointers.  */
   tomb = fcts->tomb;
+  __gconv_fct fct = tomb->__fct;
+#ifdef PTR_DEMANGLE
+  if (tomb->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
 
   /* We have to handle DST == NULL special.  */
   if (dst == NULL)
@@ -79,10 +85,9 @@ __wcsrtombs (dst, src, len, ps)
 	{
 	  data.__outbuf = buf;
 
-	  status = DL_CALL_FCT (tomb->__fct,
-				(tomb, &data, &inbuf,
-				 (const unsigned char *) srcend, NULL,
-				 &dummy, 0, 1));
+	  status = DL_CALL_FCT (fct, (tomb, &data, &inbuf,
+				      (const unsigned char *) srcend, NULL,
+				      &dummy, 0, 1));
 
 	  /* Count the number of bytes.  */
 	  result += data.__outbuf - buf;
@@ -108,10 +113,9 @@ __wcsrtombs (dst, src, len, ps)
       data.__outbuf = (unsigned char *) dst;
       data.__outbufend = (unsigned char *) dst + len;
 
-      status = DL_CALL_FCT (tomb->__fct,
-			    (tomb, &data, (const unsigned char **) src,
-			     (const unsigned char *) srcend, NULL,
-			     &dummy, 0, 1));
+      status = DL_CALL_FCT (fct, (tomb, &data, (const unsigned char **) src,
+				  (const unsigned char *) srcend, NULL,
+				  &dummy, 0, 1));
 
       /* Count the number of bytes.  */
       result = data.__outbuf - (unsigned char *) dst;
diff --git a/wcsmbs/wctob.c b/wcsmbs/wctob.c
index 0f24157..cbaac53 100644
--- a/wcsmbs/wctob.c
+++ b/wcsmbs/wctob.c
@@ -24,6 +24,8 @@
 #include <wchar.h>
 #include <wcsmbsload.h>
 
+#include <sysdep.h>
+
 
 int
 wctob (c)
@@ -64,7 +66,12 @@ wctob (c)
   inbuf[0] = c;
 
   const unsigned char *argptr = (const unsigned char *) inptr;
-  status = DL_CALL_FCT (fcts->tomb->__fct,
+  __gconv_fct fct = fcts->tomb->__fct;
+#ifdef PTR_DEMANGLE
+  if (fcts->tomb->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
+  status = DL_CALL_FCT (fct,
 			(fcts->tomb, &data, &argptr,
 			 argptr + sizeof (inbuf[0]), NULL, &dummy, 0, 1));