merge from gcc

38 files changed, 651 insertions, 155 deletions

diff --git a/include/ChangeLog b/include/ChangeLog
index f7097c968b..62a5eae341 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,10 @@
+2005-05-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+	* libiberty.h (ACONCAT): Properly cast value of alloca().
+
+	* ansidecl.h (ATTRIBUTE_UNUSED_LABEL): Don't define if
+	__cplusplus.
+
 2005-05-12  Steve Ellcey  <sje@cup.hp.com>
 
 	libiberty.h: Do not define empty basename prototype.
diff --git a/include/ansidecl.h b/include/ansidecl.h
index 02bb41240c..380e7b3511 100644
--- a/include/ansidecl.h
+++ b/include/ansidecl.h
@@ -258,11 +258,11 @@ So instead we use the macro below and test it against specific values.  */
 
 /* Attributes on labels were valid as of gcc 2.93. */
 #ifndef ATTRIBUTE_UNUSED_LABEL
-# if (GCC_VERSION >= 2093)
+# if (!defined (__cplusplus) && GCC_VERSION >= 2093)
 #  define ATTRIBUTE_UNUSED_LABEL ATTRIBUTE_UNUSED
 # else
 #  define ATTRIBUTE_UNUSED_LABEL
-# endif /* GNUC >= 2.93 */
+# endif /* !__cplusplus && GNUC >= 2.93 */
 #endif /* ATTRIBUTE_UNUSED_LABEL */
 
 #ifndef ATTRIBUTE_UNUSED
diff --git a/include/libiberty.h b/include/libiberty.h
index ae0ab2bde0..9af981cd74 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -156,7 +156,7 @@ extern char *libiberty_concat_ptr;
    strings.  Allocates memory using alloca.  The arguments are
    evaluated twice!  */
 #define ACONCAT(ACONCAT_PARAMS) \
-  (libiberty_concat_ptr = alloca (concat_length ACONCAT_PARAMS + 1), \
+  (libiberty_concat_ptr = (char *) alloca (concat_length ACONCAT_PARAMS + 1), \
    concat_copy2 ACONCAT_PARAMS)
 
 /* Check whether two file descriptors refer to the same file.  */
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 9b5a09475a..8f034b5f27 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,79 @@
+2005-05-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+	* configure.ac: Check declarations for calloc(), getenv(),
+	malloc(), realloc() and sbrk(). 
+	* config.in: Regenerate.
+	* configure: Likewise.
+
+	* alloca.c (C_alloca): Change "new" to "new_storage".  Use XNEWVEC
+	instead of xmalloc.
+	* choose-temp.c (choose_temp_base): Use XNEWVEC instea od xmalloc.
+	* concat.c (liiberty_concat_ptr): Surround definition with an
+	extern "C" block, if __cplusplus.
+	(concat): Use XNEWVEC instead of xmalloc.
+	(reconcat): Likewise.
+	* cp-demangle.c (struct d_print_template): Rename member
+	"template" to "template_decl".  Adjust use throughout the file. 
+	(d_print_resize): Properly cast return value of realloc().
+	(cplus_demangle_print): Same for malloc().
+	(d_demangle): Likewise.
+	* cp-demint.c (cplus_demangle_fill_builtin_type): Rename parameter
+	"typename" to "type_name".
+	* cplus-dem.c (grow_vect): Use XRESIZEVEC instead of xrealloc().
+	(work_stuff_copy_to_from): Use XNEWVEC insteand of xmalloc().
+	(demangle_template_value_parm): Likewise.
+	(demangle_template): Likewise.
+	(recursively_demangle): Likewise.
+	(do_hpacc_template_literal): Likewise.
+	(do_arg): Likewise.
+	(remember_type): Likewise.
+	(remember_Ktype): Likewise.
+	(register_Btype): Likewise.
+	(string_need): Use XRESIZEVEC instead of xrealloc().
+	* dyn-string.c (dyn_string_init): Use XNEWVEC.
+	(dyn_string_new): Use XNEW.
+	(dyn_string_resize): Use XRESIZEVEC.
+	* fnmatch.c (fnmatch): Rename local variable "not" to "negate".
+	* getopt.c (getenv): Declare only if !__cplusplus and !getenv.
+	Otherwise include <stdlib.h>.
+	(exchange): Cast return value of malloc().
+	* hashtab.c (htab_size): Define as both macro and non-inline
+	function.
+	(htab_elements): Likewise.
+	* getpwd.c (getpwd): Use XNEWVEC.
+	(htab_create_alloc_ex): Use C90 prototype-style.
+	* lrealpath.c (lrealpath): Appropriately cast return value of
+	malloc(). 
+	* make-relative-prefix.c (save_string): Likewise.
+	* make-temp-file.c (try_dir): Rename from "try".  Adjust use in
+	the file.
+	(choose_tmpdir): Use XNEWVEC.
+	* mkstemps.c (mkstemps): Rename parameter "template" to "pattern".
+	* pex-common.c (pex_init_common): Use XNEW.
+	(pex_add_remove): Use XRESIZEVEC.
+	(pex_run): Likewise.
+	(pex_get_status_and_time): Likewise.
+	* pex-djgpp.c (pex_djgpp_exec_child): Likewise.
+	* pex-msdos.c (pex_init): Use XNEW.
+	(pex_msdos_exec_child): Likewise.
+	(pex_msdos_exec_child): Use XRESIZEVEC.
+	* pex-unix.c (pex_wait): Use XNEW.
+	* pex-win32.c (fix_argv): Use XNEWVEC.
+	* pexecute.c (pwait): Likewise.
+	* setenv.c (setenv): Properly cast return value of malloc().
+	* sigsetmask.c (sigsetmask): Rename local variables "old" and
+	"new" to "old_sig" and "new_sig".
+	* sort.c (main): Use XNEWVEC.
+	* spaces.c (spaces): Cast return value of malloc().
+	* strndup.c (strndup): Likewise.
+	* ternary.c (ternary_insert): Use XNEW.
+	* xmalloc.c (malloc, realloc, calloc, sbrk): Surround declaration
+	with an extern "C" block if __cplusplus.
+	* xstrdup.c (xstrdup): Cast return value of memcpy().
+	* xstrerror.c (strerror): Enclose declaration in an extern "C"
+	block if __cplusplus.
+	* xstrndup.c (xstrndup): Use XNEW. Cast return value of memcpy().
+
 2005-05-16  Andreas Jaeger  <aj@suse.de>
 
 	* getpwd.c: Remove unneeded prototype getcwd and move getwd so
diff --git a/libiberty/alloca.c b/libiberty/alloca.c
index 866344429d..9b2e9cb12b 100644
--- a/libiberty/alloca.c
+++ b/libiberty/alloca.c
@@ -57,9 +57,15 @@ the possibility of a GCC built-in function.
 
 /* These variables are used by the ASTRDUP implementation that relies
    on C_alloca.  */
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
 const char *libiberty_optr;
 char *libiberty_nptr;
 unsigned long libiberty_len;
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
 
 /* If your stack is a linked list of frames, you have to
    provide an "address metric" ADDRESS_FUNCTION macro.  */
@@ -191,20 +197,20 @@ C_alloca (size_t size)
   /* Allocate combined header + user data storage.  */
 
   {
-    register PTR new = xmalloc (sizeof (header) + size);
+    register void *new_storage = XNEWVEC (char, sizeof (header) + size);
     /* Address of header.  */
 
-    if (new == 0)
+    if (new_storage == 0)
       abort();
 
-    ((header *) new)->h.next = last_alloca_header;
-    ((header *) new)->h.deep = depth;
+    ((header *) new_storage)->h.next = last_alloca_header;
+    ((header *) new_storage)->h.deep = depth;
 
-    last_alloca_header = (header *) new;
+    last_alloca_header = (header *) new_storage;
 
     /* User storage begins just after header.  */
 
-    return (PTR) ((char *) new + sizeof (header));
+    return (PTR) ((char *) new_storage + sizeof (header));
   }
 }
 
diff --git a/libiberty/choose-temp.c b/libiberty/choose-temp.c
index 1f5e0e50c8..0cba9905d5 100644
--- a/libiberty/choose-temp.c
+++ b/libiberty/choose-temp.c
@@ -61,7 +61,7 @@ choose_temp_base (void)
   int len;
 
   len = strlen (base);
-  temp_filename = xmalloc (len + TEMP_FILE_LEN + 1);
+  temp_filename = XNEWVEC (char, len + TEMP_FILE_LEN + 1);
   strcpy (temp_filename, base);
   strcpy (temp_filename + len, TEMP_FILE);
 
diff --git a/libiberty/concat.c b/libiberty/concat.c
index d890b81169..1f329ea0e1 100644
--- a/libiberty/concat.c
+++ b/libiberty/concat.c
@@ -127,7 +127,13 @@ concat_copy (char *dst, const char *first, ...)
   return save_dst;
 }
 
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
 char *libiberty_concat_ptr;
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
 
 /* @undocumented concat_copy2 */
 
@@ -150,7 +156,7 @@ concat (const char *first, ...)
   /* First compute the size of the result and get sufficient memory.  */
   VA_OPEN (args, first);
   VA_FIXEDARG (args, const char *, first);
-  newstr = (char *) xmalloc (vconcat_length (first, args) + 1);
+  newstr = XNEWVEC (char, vconcat_length (first, args) + 1);
   VA_CLOSE (args);
 
   /* Now copy the individual pieces to the result string. */
@@ -188,7 +194,7 @@ reconcat (char *optr, const char *first, ...)
   VA_OPEN (args, first);
   VA_FIXEDARG (args, char *, optr);
   VA_FIXEDARG (args, const char *, first);
-  newstr = (char *) xmalloc (vconcat_length (first, args) + 1);
+  newstr = XNEWVEC (char, vconcat_length (first, args) + 1);
   VA_CLOSE (args);
 
   /* Now copy the individual pieces to the result string. */
diff --git a/libiberty/config.in b/libiberty/config.in
index 82643b7c32..0c2778b916 100644
--- a/libiberty/config.in
+++ b/libiberty/config.in
@@ -45,9 +45,29 @@
    don't. */
 #undef HAVE_DECL_BASENAME
 
+/* Define to 1 if you have the declaration of `calloc', and to 0 if you don't.
+   */
+#undef HAVE_DECL_CALLOC
+
 /* Define to 1 if you have the declaration of `ffs', and to 0 if you don't. */
 #undef HAVE_DECL_FFS
 
+/* Define to 1 if you have the declaration of `getenv', and to 0 if you don't.
+   */
+#undef HAVE_DECL_GETENV
+
+/* Define to 1 if you have the declaration of `malloc', and to 0 if you don't.
+   */
+#undef HAVE_DECL_MALLOC
+
+/* Define to 1 if you have the declaration of `realloc', and to 0 if you
+   don't. */
+#undef HAVE_DECL_REALLOC
+
+/* Define to 1 if you have the declaration of `sbrk', and to 0 if you don't.
+   */
+#undef HAVE_DECL_SBRK
+
 /* Define to 1 if you have the declaration of `vasprintf', and to 0 if you
    don't. */
 #undef HAVE_DECL_VASPRINTF
diff --git a/libiberty/configure b/libiberty/configure
index b7d3e5b5ce..931989dfc9 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -7217,6 +7217,358 @@ _ACEOF
 fi
 
 
+  echo "$as_me:$LINENO: checking whether calloc is declared" >&5
+echo $ECHO_N "checking whether calloc is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_calloc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef calloc
+  char *p = (char *) calloc;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_calloc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_calloc=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_calloc" >&5
+echo "${ECHO_T}$ac_cv_have_decl_calloc" >&6
+if test $ac_cv_have_decl_calloc = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_CALLOC 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_CALLOC 0
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking whether getenv is declared" >&5
+echo $ECHO_N "checking whether getenv is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_getenv+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef getenv
+  char *p = (char *) getenv;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_getenv=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_getenv=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_getenv" >&5
+echo "${ECHO_T}$ac_cv_have_decl_getenv" >&6
+if test $ac_cv_have_decl_getenv = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETENV 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETENV 0
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking whether malloc is declared" >&5
+echo $ECHO_N "checking whether malloc is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_malloc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef malloc
+  char *p = (char *) malloc;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_malloc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_malloc=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_malloc" >&5
+echo "${ECHO_T}$ac_cv_have_decl_malloc" >&6
+if test $ac_cv_have_decl_malloc = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_MALLOC 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_MALLOC 0
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking whether realloc is declared" >&5
+echo $ECHO_N "checking whether realloc is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_realloc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef realloc
+  char *p = (char *) realloc;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_realloc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_realloc=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_realloc" >&5
+echo "${ECHO_T}$ac_cv_have_decl_realloc" >&6
+if test $ac_cv_have_decl_realloc = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_REALLOC 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_REALLOC 0
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking whether sbrk is declared" >&5
+echo $ECHO_N "checking whether sbrk is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_sbrk+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+#ifndef sbrk
+  char *p = (char *) sbrk;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_sbrk=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_sbrk=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_sbrk" >&5
+echo "${ECHO_T}$ac_cv_have_decl_sbrk" >&6
+if test $ac_cv_have_decl_sbrk = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_SBRK 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_SBRK 0
+_ACEOF
+
+
+fi
+
+
   echo "$as_me:$LINENO: checking whether canonicalize_file_name must be declared" >&5
 echo $ECHO_N "checking whether canonicalize_file_name must be declared... $ECHO_C" >&6
 if test "${libiberty_cv_decl_needed_canonicalize_file_name+set}" = set; then
diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index b11fafbcae..bd1e458347 100644
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -519,6 +519,7 @@ if test -z "${setobjs}"; then
 
   AC_CHECK_FUNCS($checkfuncs)
   AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf])
+  AC_CHECK_DECLS([calloc, getenv, malloc, realloc, sbrk])
   libiberty_NEED_DECLARATION(canonicalize_file_name)
 fi
 
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 653a2b5d2b..856fbd42cc 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -210,7 +210,7 @@ struct d_print_template
   /* Next template on the list.  */
   struct d_print_template *next;
   /* This template.  */
-  const struct demangle_component *template;
+  const struct demangle_component *template_decl;
 };
 
 /* A list of type modifiers.  This is used while printing.  */
@@ -2551,7 +2551,7 @@ d_print_resize (struct d_print_info *dpi, size_t add)
       char *newbuf;
 
       newalc = dpi->alc * 2;
-      newbuf = realloc (dpi->buf, newalc);
+      newbuf = (char *) realloc (dpi->buf, newalc);
       if (newbuf == NULL)
 	{
 	  free (dpi->buf);
@@ -2629,7 +2629,7 @@ cplus_demangle_print (int options, const struct demangle_component *dc,
   dpi.options = options;
 
   dpi.alc = estimate + 1;
-  dpi.buf = malloc (dpi.alc);
+  dpi.buf = (char *) malloc (dpi.alc);
   if (dpi.buf == NULL)
     {
       *palc = 1;
@@ -2730,7 +2730,7 @@ d_print_comp (struct d_print_info *dpi,
 	  {
 	    dpt.next = dpi->templates;
 	    dpi->templates = &dpt;
-	    dpt.template = typed_name;
+	    dpt.template_decl = typed_name;
 	  }
 
 	/* If typed_name is a DEMANGLE_COMPONENT_LOCAL_NAME, then
@@ -2826,7 +2826,7 @@ d_print_comp (struct d_print_info *dpi,
 	    return;
 	  }
 	i = dc->u.s_number.number;
-	for (a = d_right (dpi->templates->template);
+	for (a = d_right (dpi->templates->template_decl);
 	     a != NULL;
 	     a = d_right (a))
 	  {
@@ -3683,7 +3683,7 @@ d_print_cast (struct d_print_info *dpi,
 
       dpt.next = dpi->templates;
       dpi->templates = &dpt;
-      dpt.template = d_left (dc);
+      dpt.template_decl = d_left (dc);
 
       d_print_comp (dpi, d_left (d_left (dc)));
 
@@ -3764,7 +3764,7 @@ d_demangle (const char* mangled, int options, size_t *palc)
     {
       char *r;
 
-      r = malloc (40 + len - 11);
+      r = (char *) malloc (40 + len - 11);
       if (r == NULL)
 	*palc = 1;
       else
diff --git a/libiberty/cp-demint.c b/libiberty/cp-demint.c
index a0f2a7d81a..2e8f8d2d05 100644
--- a/libiberty/cp-demint.c
+++ b/libiberty/cp-demint.c
@@ -130,18 +130,18 @@ cplus_demangle_fill_component (struct demangle_component *p,
 
 int
 cplus_demangle_fill_builtin_type (struct demangle_component *p,
-                                  const char *typename)
+                                  const char *type_name)
 {
   int len;
   unsigned int i;
 
-  if (p == NULL || typename == NULL)
+  if (p == NULL || type_name == NULL)
     return 0;
-  len = strlen (typename);
+  len = strlen (type_name);
   for (i = 0; i < D_BUILTIN_TYPE_COUNT; ++i)
     {
       if (len == cplus_demangle_builtin_types[i].len
-	  && strcmp (typename, cplus_demangle_builtin_types[i].name) == 0)
+	  && strcmp (type_name, cplus_demangle_builtin_types[i].name) == 0)
 	{
 	  p->type = DEMANGLE_COMPONENT_BUILTIN_TYPE;
 	  p->u.s_builtin.type = &cplus_demangle_builtin_types[i];
diff --git a/libiberty/cplus-dem.c b/libiberty/cplus-dem.c
index 0d54f42388..8b60434a88 100644
--- a/libiberty/cplus-dem.c
+++ b/libiberty/cplus-dem.c
@@ -892,7 +892,7 @@ grow_vect (char **old_vect, size_t *size, size_t min_size, int element_size)
       *size *= 2;
       if (*size < min_size)
 	*size = min_size;
-      *old_vect = (void *) xrealloc (*old_vect, *size * element_size);
+      *old_vect = XRESIZEVAR (char, *old_vect, *size * element_size);
     }
 }
 
@@ -1102,56 +1102,52 @@ work_stuff_copy_to_from (struct work_stuff *to, struct work_stuff *from)
 
   /* Deep-copy dynamic storage.  */
   if (from->typevec_size)
-    to->typevec
-      = (char **) xmalloc (from->typevec_size * sizeof (to->typevec[0]));
+    to->typevec = XNEWVEC (char *, from->typevec_size);
 
   for (i = 0; i < from->ntypes; i++)
     {
       int len = strlen (from->typevec[i]) + 1;
 
-      to->typevec[i] = xmalloc (len);
+      to->typevec[i] = XNEWVEC (char, len);
       memcpy (to->typevec[i], from->typevec[i], len);
     }
 
   if (from->ksize)
-    to->ktypevec
-      = (char **) xmalloc (from->ksize * sizeof (to->ktypevec[0]));
+    to->ktypevec = XNEWVEC (char *, from->ksize);
 
   for (i = 0; i < from->numk; i++)
     {
       int len = strlen (from->ktypevec[i]) + 1;
 
-      to->ktypevec[i] = xmalloc (len);
+      to->ktypevec[i] = XNEWVEC (char, len);
       memcpy (to->ktypevec[i], from->ktypevec[i], len);
     }
 
   if (from->bsize)
-    to->btypevec
-      = (char **) xmalloc (from->bsize * sizeof (to->btypevec[0]));
+    to->btypevec = XNEWVEC (char *, from->bsize);
 
   for (i = 0; i < from->numb; i++)
     {
       int len = strlen (from->btypevec[i]) + 1;
 
-      to->btypevec[i] = xmalloc (len);
+      to->btypevec[i] = XNEWVEC (char , len);
       memcpy (to->btypevec[i], from->btypevec[i], len);
     }
 
   if (from->ntmpl_args)
-    to->tmpl_argvec
-      = (char **) xmalloc (from->ntmpl_args * sizeof (to->tmpl_argvec[0]));
+    to->tmpl_argvec = XNEWVEC (char *, from->ntmpl_args);
 
   for (i = 0; i < from->ntmpl_args; i++)
     {
       int len = strlen (from->tmpl_argvec[i]) + 1;
 
-      to->tmpl_argvec[i] = xmalloc (len);
+      to->tmpl_argvec[i] = XNEWVEC (char, len);
       memcpy (to->tmpl_argvec[i], from->tmpl_argvec[i], len);
     }
 
   if (from->previous_argument)
     {
-      to->previous_argument = (string*) xmalloc (sizeof (string));
+      to->previous_argument = XNEW (string);
       string_init (to->previous_argument);
       string_appends (to->previous_argument, from->previous_argument);
     }
@@ -1895,7 +1891,7 @@ demangle_template_value_parm (struct work_stuff *work, const char **mangled,
 	    string_appendn (s, "0", 1);
 	  else
 	    {
-	      char *p = xmalloc (symbol_len + 1), *q;
+	      char *p = XNEWVEC (char, symbol_len + 1), *q;
 	      strncpy (p, *mangled, symbol_len);
 	      p [symbol_len] = '\0';
 	      /* We use cplus_demangle here, rather than
@@ -2001,7 +1997,7 @@ demangle_template (struct work_stuff *work, const char **mangled,
   if (!is_type)
     {
       /* Create an array for saving the template argument values. */
-      work->tmpl_argvec = (char**) xmalloc (r * sizeof (char *));
+      work->tmpl_argvec = XNEWVEC (char *, r);
       work->ntmpl_args = r;
       for (i = 0; i < r; i++)
 	work->tmpl_argvec[i] = 0;
@@ -2026,7 +2022,7 @@ demangle_template (struct work_stuff *work, const char **mangled,
 		{
 		  /* Save the template argument. */
 		  int len = temp.p - temp.b;
-		  work->tmpl_argvec[i] = xmalloc (len + 1);
+		  work->tmpl_argvec[i] = XNEWVEC (char, len + 1);
 		  memcpy (work->tmpl_argvec[i], temp.b, len);
 		  work->tmpl_argvec[i][len] = '\0';
 		}
@@ -2054,7 +2050,7 @@ demangle_template (struct work_stuff *work, const char **mangled,
 		{
 		  /* Save the template argument. */
 		  int len = r2;
-		  work->tmpl_argvec[i] = xmalloc (len + 1);
+		  work->tmpl_argvec[i] = XNEWVEC (char, len + 1);
 		  memcpy (work->tmpl_argvec[i], *mangled, len);
 		  work->tmpl_argvec[i][len] = '\0';
 		}
@@ -2100,7 +2096,7 @@ demangle_template (struct work_stuff *work, const char **mangled,
 	  if (!is_type)
 	    {
 	      int len = s->p - s->b;
-	      work->tmpl_argvec[i] = xmalloc (len + 1);
+	      work->tmpl_argvec[i] = XNEWVEC (char, len + 1);
 	      memcpy (work->tmpl_argvec[i], s->b, len);
 	      work->tmpl_argvec[i][len] = '\0';
 
@@ -2998,7 +2994,7 @@ recursively_demangle(struct work_stuff *work, const char **mangled,
   char * recurse = (char *)NULL;
   char * recurse_dem = (char *)NULL;
 
-  recurse = (char *) xmalloc (namelength + 1);
+  recurse = XNEWVEC (char, namelength + 1);
   memcpy (recurse, *mangled, namelength);
   recurse[namelength] = '\000';
 
@@ -3969,7 +3965,7 @@ do_hpacc_template_literal (struct work_stuff *work, const char **mangled,
   string_append (result, "&");
 
   /* Now recursively demangle the literal name */
-  recurse = (char *) xmalloc (literal_len + 1);
+  recurse = XNEWVEC (char, literal_len + 1);
   memcpy (recurse, *mangled, literal_len);
   recurse[literal_len] = '\000';
 
@@ -4071,7 +4067,7 @@ do_arg (struct work_stuff *work, const char **mangled, string *result)
   if (work->previous_argument)
     string_delete (work->previous_argument);
   else
-    work->previous_argument = (string*) xmalloc (sizeof (string));
+    work->previous_argument = XNEW (string);
 
   if (!do_type (work, mangled, work->previous_argument))
     return 0;
@@ -4095,18 +4091,16 @@ remember_type (struct work_stuff *work, const char *start, int len)
       if (work -> typevec_size == 0)
 	{
 	  work -> typevec_size = 3;
-	  work -> typevec
-	    = (char **) xmalloc (sizeof (char *) * work -> typevec_size);
+	  work -> typevec = XNEWVEC (char *, work->typevec_size);
 	}
       else
 	{
 	  work -> typevec_size *= 2;
 	  work -> typevec
-	    = (char **) xrealloc ((char *)work -> typevec,
-				  sizeof (char *) * work -> typevec_size);
+	    = XRESIZEVEC (char *, work->typevec, work->typevec_size);
 	}
     }
-  tem = xmalloc (len + 1);
+  tem = XNEWVEC (char, len + 1);
   memcpy (tem, start, len);
   tem[len] = '\0';
   work -> typevec[work -> ntypes++] = tem;
@@ -4124,18 +4118,16 @@ remember_Ktype (struct work_stuff *work, const char *start, int len)
       if (work -> ksize == 0)
 	{
 	  work -> ksize = 5;
-	  work -> ktypevec
-	    = (char **) xmalloc (sizeof (char *) * work -> ksize);
+	  work -> ktypevec = XNEWVEC (char *, work->ksize);
 	}
       else
 	{
 	  work -> ksize *= 2;
 	  work -> ktypevec
-	    = (char **) xrealloc ((char *)work -> ktypevec,
-				  sizeof (char *) * work -> ksize);
+	    = XRESIZEVEC (char *, work->ktypevec, work->ksize);
 	}
     }
-  tem = xmalloc (len + 1);
+  tem = XNEWVEC (char, len + 1);
   memcpy (tem, start, len);
   tem[len] = '\0';
   work -> ktypevec[work -> numk++] = tem;
@@ -4155,15 +4147,13 @@ register_Btype (struct work_stuff *work)
       if (work -> bsize == 0)
 	{
 	  work -> bsize = 5;
-	  work -> btypevec
-	    = (char **) xmalloc (sizeof (char *) * work -> bsize);
+	  work -> btypevec = XNEWVEC (char *, work->bsize);
 	}
       else
 	{
 	  work -> bsize *= 2;
 	  work -> btypevec
-	    = (char **) xrealloc ((char *)work -> btypevec,
-				  sizeof (char *) * work -> bsize);
+	    = XRESIZEVEC (char *, work->btypevec, work->bsize);
 	}
     }
   ret = work -> numb++;
@@ -4179,7 +4169,7 @@ remember_Btype (struct work_stuff *work, const char *start,
 {
   char *tem;
 
-  tem = xmalloc (len + 1);
+  tem = XNEWVEC (char, len + 1);
   memcpy (tem, start, len);
   tem[len] = '\0';
   work -> btypevec[index] = tem;
@@ -4600,7 +4590,7 @@ string_need (string *s, int n)
 	{
 	  n = 32;
 	}
-      s->p = s->b = xmalloc (n);
+      s->p = s->b = XNEWVEC (char, n);
       s->e = s->b + n;
     }
   else if (s->e - s->p < n)
@@ -4608,7 +4598,7 @@ string_need (string *s, int n)
       tem = s->p - s->b;
       n += tem;
       n *= 2;
-      s->b = xrealloc (s->b, n);
+      s->b = XRESIZEVEC (char, s->b, n);
       s->p = s->b + tem;
       s->e = s->b + n;
     }
diff --git a/libiberty/dyn-string.c b/libiberty/dyn-string.c
index 2cfbd4b7d7..9de50eda0e 100644
--- a/libiberty/dyn-string.c
+++ b/libiberty/dyn-string.c
@@ -67,7 +67,7 @@ dyn_string_init (struct dyn_string *ds_struct_ptr, int space)
   if (ds_struct_ptr->s == NULL)
     return 0;
 #else
-  ds_struct_ptr->s = (char *) xmalloc (space);
+  ds_struct_ptr->s = XNEWVEC (char, space);
 #endif
   ds_struct_ptr->allocated = space;
   ds_struct_ptr->length = 0;
@@ -96,7 +96,7 @@ dyn_string_new (int space)
       return NULL;
     }
 #else
-  result = (dyn_string_t) xmalloc (sizeof (struct dyn_string));
+  result = XNEW (struct dyn_string);
   dyn_string_init (result, space);
 #endif
   return result;
@@ -159,7 +159,7 @@ dyn_string_resize (dyn_string_t ds, int space)
 	  return NULL;
 	}
 #else
-      ds->s = (char *) xrealloc (ds->s, ds->allocated);
+      ds->s = XRESIZEVEC (char, ds->s, ds->allocated);
 #endif
     }
 
diff --git a/libiberty/fnmatch.c b/libiberty/fnmatch.c
index 868a8806d7..fc897be2c6 100644
--- a/libiberty/fnmatch.c
+++ b/libiberty/fnmatch.c
@@ -124,7 +124,7 @@ fnmatch (const char *pattern, const char *string, int flags)
 	case '[':
 	  {
 	    /* Nonzero if the sense of the character class is inverted.  */
-	    register int not;
+	    register int negate;
 
 	    if (*n == '\0')
 	      return FNM_NOMATCH;
@@ -133,8 +133,8 @@ fnmatch (const char *pattern, const char *string, int flags)
 		(n == string || ((flags & FNM_FILE_NAME) && n[-1] == '/')))
 	      return FNM_NOMATCH;
 
-	    not = (*p == '!' || *p == '^');
-	    if (not)
+	    negate = (*p == '!' || *p == '^');
+	    if (negate)
 	      ++p;
 
 	    c = *p++;
@@ -177,7 +177,7 @@ fnmatch (const char *pattern, const char *string, int flags)
 		if (c == ']')
 		  break;
 	      }
-	    if (!not)
+	    if (!negate)
 	      return FNM_NOMATCH;
 	    break;
 
@@ -194,7 +194,7 @@ fnmatch (const char *pattern, const char *string, int flags)
 		  /* XXX 1003.2d11 is unclear if this is right.  */
 		  ++p;
 	      }
-	    if (not)
+	    if (negate)
 	      return FNM_NOMATCH;
 	  }
 	  break;
diff --git a/libiberty/getopt.c b/libiberty/getopt.c
index d09ce5a66b..0b5c2e8f6a 100644
--- a/libiberty/getopt.c
+++ b/libiberty/getopt.c
@@ -212,8 +212,16 @@ static char *posixly_correct;
 /* Avoid depending on library functions or files
    whose names are inconsistent.  */
 
-#ifndef getenv
-extern char *getenv ();
+#if HAVE_STDLIB_H && HAVE_DECL_GETENV
+#  include <stdlib.h>
+#elif !defined(getenv)
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+extern char *getenv (const char *);
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
 #endif
 
 static char *
@@ -325,7 +333,7 @@ exchange (char **argv)
     {
       /* We must extend the array.  The user plays games with us and
 	 presents new arguments.  */
-      char *new_str = malloc (top + 1);
+      char *new_str = (char *) malloc (top + 1);
       if (new_str == NULL)
 	nonoption_flags_len = nonoption_flags_max_len = 0;
       else
diff --git a/libiberty/getpwd.c b/libiberty/getpwd.c
index c7880d7044..fa5c132fd6 100644
--- a/libiberty/getpwd.c
+++ b/libiberty/getpwd.c
@@ -84,7 +84,7 @@ getpwd (void)
 	     && dotstat.st_dev == pwdstat.st_dev))
 
 	/* The shortcut didn't work.  Try the slow, ``sure'' way.  */
-	for (s = GUESSPATHLEN;  ! getcwd (p = xmalloc (s), s);  s *= 2)
+	for (s = GUESSPATHLEN;  !getcwd (p = XNEWVEC (char, s), s);  s *= 2)
 	  {
 	    int e = errno;
 	    free (p);
@@ -117,7 +117,7 @@ getpwd (void)
   static char *pwd = 0;
 
   if (!pwd)
-    pwd = getcwd (xmalloc (MAXPATHLEN + 1), MAXPATHLEN + 1
+    pwd = getcwd (XNEWVEC (char, MAXPATHLEN + 1), MAXPATHLEN + 1
 #ifdef VMS
 		  , 0
 #endif
diff --git a/libiberty/hashtab.c b/libiberty/hashtab.c
index f8a1ea738b..5557e0a968 100644
--- a/libiberty/hashtab.c
+++ b/libiberty/hashtab.c
@@ -216,20 +216,30 @@ eq_pointer (const PTR p1, const PTR p2)
   return p1 == p2;
 }
 
-/* Return the current size of given hash table. */
 
-inline size_t
-htab_size (htab_t htab)
+/* The parens around the function names in the next two definitions
+   are essential in order to prevent macro expansions of the name.
+   The bodies, however, are expanded as expected, so they are not
+   recursive definitions.  */
+
+/* Return the current size of given hash table.  */
+
+#define htab_size(htab)  ((htab)->size)
+
+size_t
+(htab_size) (htab_t htab)
 {
-  return htab->size;
+  return htab_size (htab);
 }
 
 /* Return the current number of elements in given hash table. */
 
-inline size_t
-htab_elements (htab_t htab)
+#define htab_elements(htab)  ((htab)->n_elements - (htab)->n_deleted)
+
+size_t
+(htab_elements) (htab_t htab)
 {
-  return htab->n_elements - htab->n_deleted;
+  return htab_elements (htab);
 }
 
 /* Return X % Y.  */
@@ -317,15 +327,10 @@ htab_create_alloc (size_t size, htab_hash hash_f, htab_eq eq_f,
    an extra argument.  */
 
 htab_t
-htab_create_alloc_ex (size, hash_f, eq_f, del_f, alloc_arg, alloc_f,
-		      free_f)
-     size_t size;
-     htab_hash hash_f;
-     htab_eq eq_f;
-     htab_del del_f;
-     PTR alloc_arg;
-     htab_alloc_with_arg alloc_f;
-     htab_free_with_arg free_f;
+htab_create_alloc_ex (size_t size, htab_hash hash_f, htab_eq eq_f,
+                      htab_del del_f, void *alloc_arg,
+                      htab_alloc_with_arg alloc_f,
+		      htab_free_with_arg free_f)
 {
   htab_t result;
   unsigned int size_prime_index;
diff --git a/libiberty/lrealpath.c b/libiberty/lrealpath.c
index 9a58c0b83b..b27c8de990 100644
--- a/libiberty/lrealpath.c
+++ b/libiberty/lrealpath.c
@@ -117,7 +117,7 @@ lrealpath (const char *filename)
       {
 	/* PATH_MAX is bounded.  */
 	char *buf, *rp, *ret;
-	buf = malloc (path_max);
+	buf = (char *) malloc (path_max);
 	if (buf == NULL)
 	  return NULL;
 	rp = realpath (filename, buf);
diff --git a/libiberty/make-relative-prefix.c b/libiberty/make-relative-prefix.c
index 883d92b145..66ddcaa471 100644
--- a/libiberty/make-relative-prefix.c
+++ b/libiberty/make-relative-prefix.c
@@ -102,7 +102,7 @@ static void free_split_directories (char **);
 static char *
 save_string (const char *s, int len)
 {
-  char *result = malloc (len + 1);
+  char *result = (char *) malloc (len + 1);
 
   memcpy (result, s, len);
   result[len] = 0;
diff --git a/libiberty/make-temp-file.c b/libiberty/make-temp-file.c
index 5a6d488b48..5e21414ad8 100644
--- a/libiberty/make-temp-file.c
+++ b/libiberty/make-temp-file.c
@@ -61,10 +61,10 @@ extern int mkstemps (char *, int);
    If success, DIR is returned.
    Otherwise NULL is returned.  */
 
-static inline const char *try (const char *, const char *);
+static inline const char *try_dir (const char *, const char *);
 
 static inline const char *
-try (const char *dir, const char *base)
+try_dir (const char *dir, const char *base)
 {
   if (base != 0)
     return base;
@@ -103,18 +103,18 @@ choose_tmpdir (void)
   if (memoized_tmpdir)
     return memoized_tmpdir;
 
-  base = try (getenv ("TMPDIR"), base);
-  base = try (getenv ("TMP"), base);
-  base = try (getenv ("TEMP"), base);
+  base = try_dir (getenv ("TMPDIR"), base);
+  base = try_dir (getenv ("TMP"), base);
+  base = try_dir (getenv ("TEMP"), base);
 
 #ifdef P_tmpdir
-  base = try (P_tmpdir, base);
+  base = try_dir (P_tmpdir, base);
 #endif
 
   /* Try /var/tmp, /usr/tmp, then /tmp.  */
-  base = try (vartmp, base);
-  base = try (usrtmp, base);
-  base = try (tmp, base);
+  base = try_dir (vartmp, base);
+  base = try_dir (usrtmp, base);
+  base = try_dir (tmp, base);
  
   /* If all else fails, use the current directory!  */
   if (base == 0)
@@ -123,7 +123,7 @@ choose_tmpdir (void)
   /* Append DIR_SEPARATOR to the directory we've chosen
      and return it.  */
   len = strlen (base);
-  tmpdir = xmalloc (len + 2);
+  tmpdir = XNEWVEC (char, len + 2);
   strcpy (tmpdir, base);
   tmpdir[len] = DIR_SEPARATOR;
   tmpdir[len+1] = '\0';
@@ -158,7 +158,7 @@ make_temp_file (const char *suffix)
   base_len = strlen (base);
   suffix_len = strlen (suffix);
 
-  temp_filename = xmalloc (base_len
+  temp_filename = XNEWVEC (char, base_len
 			   + TEMP_FILE_LEN
 			   + suffix_len + 1);
   strcpy (temp_filename, base);
diff --git a/libiberty/mkstemps.c b/libiberty/mkstemps.c
index 7aceb39038..89b37d9f48 100644
--- a/libiberty/mkstemps.c
+++ b/libiberty/mkstemps.c
@@ -51,17 +51,17 @@ typedef unsigned long gcc_uint64_t;
 
 /*
 
-@deftypefn Replacement int mkstemps (char *@var{template}, int @var{suffix_len})
+@deftypefn Replacement int mkstemps (char *@var{pattern}, int @var{suffix_len})
 
-Generate a unique temporary file name from @var{template}.
-@var{template} has the form:
+Generate a unique temporary file name from @var{pattern}.
+@var{pattern} has the form:
 
 @example
    @var{path}/ccXXXXXX@var{suffix}
 @end example
 
 @var{suffix_len} tells us how long @var{suffix} is (it can be zero
-length).  The last six characters of @var{template} before @var{suffix}
+length).  The last six characters of @var{pattern} before @var{suffix}
 must be @samp{XXXXXX}; they are replaced with a string that makes the
 filename unique.  Returns a file descriptor open on the file for
 reading and writing.
@@ -71,7 +71,7 @@ reading and writing.
 */
 
 int
-mkstemps (char *template, int suffix_len)
+mkstemps (char *pattern, int suffix_len)
 {
   static const char letters[]
     = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
@@ -83,15 +83,15 @@ mkstemps (char *template, int suffix_len)
   size_t len;
   int count;
 
-  len = strlen (template);
+  len = strlen (pattern);
 
   if ((int) len < 6 + suffix_len
-      || strncmp (&template[len - 6 - suffix_len], "XXXXXX", 6))
+      || strncmp (&pattern[len - 6 - suffix_len], "XXXXXX", 6))
     {
       return -1;
     }
 
-  XXXXXX = &template[len - 6 - suffix_len];
+  XXXXXX = &pattern[len - 6 - suffix_len];
 
 #ifdef HAVE_GETTIMEOFDAY
   /* Get some more or less random data.  */
@@ -119,7 +119,7 @@ mkstemps (char *template, int suffix_len)
       v /= 62;
       XXXXXX[5] = letters[v % 62];
 
-      fd = open (template, O_RDWR|O_CREAT|O_EXCL, 0600);
+      fd = open (pattern, O_RDWR|O_CREAT|O_EXCL, 0600);
       if (fd >= 0)
 	/* The file does not exist.  */
 	return fd;
@@ -131,6 +131,6 @@ mkstemps (char *template, int suffix_len)
     }
 
   /* We return the null string if we can't find a unique file name.  */
-  template[0] = '\0';
+  pattern[0] = '\0';
   return -1;
 }
diff --git a/libiberty/pex-common.c b/libiberty/pex-common.c
index 615cfbcd38..b2ca6e08ce 100644
--- a/libiberty/pex-common.c
+++ b/libiberty/pex-common.c
@@ -55,7 +55,7 @@ pex_init_common (int flags, const char *pname, const char *tempbase,
 {
   struct pex_obj *obj;
 
-  obj = xmalloc (sizeof (*obj));
+  obj = XNEW (struct pex_obj);
   obj->flags = flags;
   obj->pname = pname;
   obj->tempbase = tempbase;
@@ -83,7 +83,7 @@ pex_add_remove (struct pex_obj *obj, const char *name, int allocated)
   char *add;
 
   ++obj->remove_count;
-  obj->remove = xrealloc (obj->remove, obj->remove_count * sizeof (char *));
+  obj->remove = XRESIZEVEC (char *, obj->remove, obj->remove_count);
   if (allocated)
     add = (char *) name;
   else
@@ -280,7 +280,7 @@ pex_run (struct pex_obj *obj, int flags, const char *executable,
     goto error_exit;
 
   ++obj->count;
-  obj->children = xrealloc (obj->children, obj->count * sizeof (long));
+  obj->children = XRESIZEVEC (long, obj->children, obj->count);
   obj->children[obj->count - 1] = pid;
 
   return NULL;
@@ -352,9 +352,9 @@ pex_get_status_and_time (struct pex_obj *obj, int done, const char **errmsg,
   if (obj->number_waited == obj->count)
     return 1;
 
-  obj->status = xrealloc (obj->status, obj->count * sizeof (int));
+  obj->status = XRESIZEVEC (int, obj->status, obj->count);
   if ((obj->flags & PEX_RECORD_TIMES) != 0)
-    obj->time = xrealloc (obj->time, obj->count * sizeof (struct pex_time));
+    obj->time = XRESIZEVEC (struct pex_time, obj->time, obj->count);
 
   ret = 1;
   for (i = obj->number_waited; i < obj->count; ++i)
diff --git a/libiberty/pex-djgpp.c b/libiberty/pex-djgpp.c
index b452f46620..6e58e3fd8d 100644
--- a/libiberty/pex-djgpp.c
+++ b/libiberty/pex-djgpp.c
@@ -257,7 +257,7 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
      is the number of children which have executed before this
      one.  */
   statuses = (int *) obj->sysdep;
-  statuses = xrealloc (statuses, (obj->count + 1) * sizeof (int));
+  statuses = XRESIZEVEC (int, statuses, obj->count + 1);
   statuses[obj->count] = status;
   obj->sysdep = (void *) statuses;
 
diff --git a/libiberty/pex-msdos.c b/libiberty/pex-msdos.c
index a7cc820a82..2256117d1b 100644
--- a/libiberty/pex-msdos.c
+++ b/libiberty/pex-msdos.c
@@ -89,7 +89,7 @@ pex_init (int flags, const char *pname, const char *tempbase)
 
   ret = pex_init_common (flags, pname, tempbase, funcs);
 
-  ret->sysdep = xmalloc (sizeof (struct pex_msdos));
+  ret->sysdep = XNEW (struct pex_msdos);
   for (i = 0; i < PEX_MSDOS_FILE_COUNT; ++i)
     ret->files[i] = NULL;
   ret->statuses = NULL;
@@ -210,7 +210,7 @@ pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
       outfile = ms->files[outindex];
     }
 
-  scmd = xmalloc (strlen (program)
+  scmd = XNEWVEC (char, strlen (program)
 		  + ((flags & PEXECUTE_SEARCH) != 0 ? 4 : 0)
 		  + strlen (rf)
 		  + strlen (infile)
@@ -269,7 +269,7 @@ pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
   /* Save the exit status for later.  When we are called, obj->count
      is the number of children which have executed before this
      one.  */
-  ms->statuses = xrealloc (ms->statuses, (obj->count + 1) * sizeof (int));
+  ms->statuses = XRESIZEVEC(int, ms->statuses, obj->count + 1);
   ms->statuses[obj->count] = status;
 
   return obj->count;
diff --git a/libiberty/pex-unix.c b/libiberty/pex-unix.c
index 486221786e..35a545cb17 100644
--- a/libiberty/pex-unix.c
+++ b/libiberty/pex-unix.c
@@ -252,7 +252,7 @@ pex_wait (struct pex_obj *obj, pid_t pid, int *status, struct pex_time *time)
 	  return cpid;
 	}
 
-      psl = xmalloc (sizeof (struct status_list));
+      psl = XNEW (struct status_list);
       psl->pid = cpid;
       psl->status = *status;
       if (time != NULL)
diff --git a/libiberty/pex-win32.c b/libiberty/pex-win32.c
index 751e3e0aeb..10262fbfee 100644
--- a/libiberty/pex-win32.c
+++ b/libiberty/pex-win32.c
@@ -79,7 +79,7 @@ fix_argv (char * const *argvec)
 
   for (i = 0; argvec[i] != NULL; i++)
     ;
-  argv = xmalloc ((i + 1) * sizeof (char *));
+  argv = XNEWVEC (char *, i + 1);
   for (i = 0; argvec[i] != NULL; i++)
     argv[i] = xstrdup (argvec[i]);
   argv[i] = NULL;
@@ -105,7 +105,7 @@ fix_argv (char * const *argvec)
         {
           if (temp[j] == '"')
             {
-              newtemp = xmalloc (len + 2);
+              newtemp = XNEWVEC (char, len + 2);
               strncpy (newtemp, temp, j);
               newtemp [j] = '\\';
               strncpy (&newtemp [j+1], &temp [j], len-j);
@@ -150,7 +150,7 @@ fix_argv (char * const *argvec)
 
 	  len += 2;			/* and for the enclosing quotes. */
 
-	  temp = xmalloc (len + 1);
+	  temp = XNEWVEC (char, len + 1);
 	  temp[0] = '"';
 	  strcpy (temp + 1, argv[i]);
 	  if (trailing_backslash)
diff --git a/libiberty/pexecute.c b/libiberty/pexecute.c
index f486252bd7..60a280b8e4 100644
--- a/libiberty/pexecute.c
+++ b/libiberty/pexecute.c
@@ -99,7 +99,7 @@ pwait (int pid, int *status, int flags ATTRIBUTE_UNUSED)
     {
       int *vector;
 
-      vector = xmalloc (idx * sizeof (int));
+      vector = XNEWVEC (int, idx);
       if (!pex_get_status (pex, idx, vector))
 	return -1;
       *status = vector[pid];
diff --git a/libiberty/setenv.c b/libiberty/setenv.c
index fa702c3aad..355af5a9dd 100644
--- a/libiberty/setenv.c
+++ b/libiberty/setenv.c
@@ -115,7 +115,7 @@ setenv (const char *name, const char *value, int replace)
 	  return -1;
 	}
 
-      new_environ[size] = malloc (namelen + 1 + vallen);
+      new_environ[size] = (char *) malloc (namelen + 1 + vallen);
       if (new_environ[size] == NULL)
 	{
 	  free ((char *) new_environ);
@@ -142,13 +142,13 @@ setenv (const char *name, const char *value, int replace)
       if (len + 1 < namelen + 1 + vallen)
 	{
 	  /* The existing string is too short; malloc a new one.  */
-	  char *new = malloc (namelen + 1 + vallen);
-	  if (new == NULL)
+	  char *new_string = (char *) malloc (namelen + 1 + vallen);
+	  if (new_string == NULL)
 	    {
 	      UNLOCK;
 	      return -1;
 	    }
-	  *ep = new;
+	  *ep = new_string;
 	}
       memcpy (*ep, name, namelen);
       (*ep)[namelen] = '=';
diff --git a/libiberty/sigsetmask.c b/libiberty/sigsetmask.c
index 2df96fca94..3b708b16ad 100644
--- a/libiberty/sigsetmask.c
+++ b/libiberty/sigsetmask.c
@@ -27,14 +27,14 @@ extern void abort (void) ATTRIBUTE_NORETURN;
 int
 sigsetmask (int set)
 {
-    sigset_t new;
-    sigset_t old;
+    sigset_t new_sig;
+    sigset_t old_sig;
     
-    sigemptyset (&new);
+    sigemptyset (&new_sig);
     if (set != 0) {
       abort();	/* FIXME, we don't know how to translate old mask to new */
     }
-    sigprocmask(SIG_SETMASK, &new, &old);
+    sigprocmask(SIG_SETMASK, &new_sig, &old_sig);
     return 1;	/* FIXME, we always return 1 as old value.  */
 }
 #endif
diff --git a/libiberty/sort.c b/libiberty/sort.c
index a4fffefa34..3738dd733e 100644
--- a/libiberty/sort.c
+++ b/libiberty/sort.c
@@ -155,8 +155,8 @@ int main (int argc, char **argv)
   else
     k = 10;
 
-  pointers = xmalloc (k * sizeof (void *));
-  work = xmalloc (k * sizeof (void *));
+  pointers = XNEWVEC (void*, k);
+  work = XNEWVEC (void*, k);
 
   for (i = 0; i < k; ++i)
     {
diff --git a/libiberty/spaces.c b/libiberty/spaces.c
index 9592a03a4c..67481c9bcd 100644
--- a/libiberty/spaces.c
+++ b/libiberty/spaces.c
@@ -57,7 +57,7 @@ spaces (int count)
 	{
 	  free (buf);
 	}
-      buf = malloc (count + 1);
+      buf = (char *) malloc (count + 1);
       if (buf == (char *) 0)
 	return 0;
       for (t = buf + count ; t != buf ; )
diff --git a/libiberty/strndup.c b/libiberty/strndup.c
index 9395fc8fe6..9e9b4e2991 100644
--- a/libiberty/strndup.c
+++ b/libiberty/strndup.c
@@ -46,10 +46,10 @@ strndup (const char *s, size_t n)
   if (n < len)
     len = n;
 
-  result = malloc (len + 1);
+  result = (char *) malloc (len + 1);
   if (!result)
     return 0;
 
   result[len] = '\0';
-  return memcpy (result, s, len);
+  return (char *) memcpy (result, s, len);
 }
diff --git a/libiberty/ternary.c b/libiberty/ternary.c
index e57e94404a..8fc561a453 100644
--- a/libiberty/ternary.c
+++ b/libiberty/ternary.c
@@ -74,7 +74,7 @@ ternary_insert (ternary_tree *root, const char *s, PTR data, int replace)
   for (;;)
     {
       /* Allocate the memory for the node, and fill it in */
-      *pcurr = (ternary_tree) xmalloc (sizeof (ternary_node));
+      *pcurr = XNEW (ternary_node);
       curr = *pcurr;
       curr->splitchar = *s;
       curr->lokid = curr->hikid = curr->eqkid = 0;
diff --git a/libiberty/xmalloc.c b/libiberty/xmalloc.c
index adba5188df..3e97aab563 100644
--- a/libiberty/xmalloc.c
+++ b/libiberty/xmalloc.c
@@ -75,11 +75,23 @@ function will be called to print an error message and terminate execution.
 #include <unixlib.h>
 #else
 /* For systems with larger pointers than ints, these must be declared.  */
-PTR malloc (size_t);
-PTR realloc (PTR, size_t);
-PTR calloc (size_t, size_t);
-PTR sbrk (ptrdiff_t);
-#endif
+#  if HAVE_STDLIB_H && HAVE_UNISTD_H && HAVE_DECL_MALLOC \
+      && HAVE_DECL_REALLOC && HAVE_DECL_CALLOC && HAVE_DECL_SBRK
+#    include <stdlib.h>
+#    include <unistd.h>
+#  else
+#    ifdef __cplusplus
+extern "C" {
+#    endif /* __cplusplus */
+void *malloc (size_t);
+void *realloc (void *, size_t);
+void *calloc (size_t, size_t);
+void *sbrk (ptrdiff_t);
+#    ifdef __cplusplus
+}
+#    endif /* __cplusplus */
+#  endif /* HAVE_STDLIB_H ...  */
+#endif /* VMS */
 
 /* The program name if set.  */
 static const char *name = "";
diff --git a/libiberty/xstrdup.c b/libiberty/xstrdup.c
index c04623d98e..9ac2ea038f 100644
--- a/libiberty/xstrdup.c
+++ b/libiberty/xstrdup.c
@@ -31,6 +31,6 @@ char *
 xstrdup (const char *s)
 {
   register size_t len = strlen (s) + 1;
-  register char *ret = xmalloc (len);
+  register char *ret = XNEWVEC (char, len);
   return (char *) memcpy (ret, s, len);
 }
diff --git a/libiberty/xstrerror.c b/libiberty/xstrerror.c
index 01f3a7b961..2ea2200e9f 100644
--- a/libiberty/xstrerror.c
+++ b/libiberty/xstrerror.c
@@ -19,15 +19,28 @@ will never return a @code{NULL} pointer.
 #include "libiberty.h"
 
 #ifdef VMS
-#include <errno.h>
-#if !defined (__STRICT_ANSI__) && !defined (__HIDE_FORBIDDEN_NAMES)
+#  include <errno.h>
+#  if !defined (__STRICT_ANSI__) && !defined (__HIDE_FORBIDDEN_NAMES)
+#    ifdef __cplusplus
+extern "C" {
+#    endif /* __cplusplus */
 extern char *strerror (int,...);
-#define DONT_DECLARE_STRERROR
-#endif
-#endif	/* VMS */
+#    define DONT_DECLARE_STRERROR
+#    ifdef __cplusplus
+}
+#    endif /* __cplusplus */
+#  endif
+#endif  /* VMS */
+
 
 #ifndef DONT_DECLARE_STRERROR
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
 extern char *strerror (int);
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
 #endif
 
 /* If strerror returns NULL, we'll format the number into a static buffer.  */
diff --git a/libiberty/xstrndup.c b/libiberty/xstrndup.c
index 68c5f453c7..0a41f608ec 100644
--- a/libiberty/xstrndup.c
+++ b/libiberty/xstrndup.c
@@ -53,8 +53,8 @@ xstrndup (const char *s, size_t n)
   if (n < len)
     len = n;
 
-  result = xmalloc (len + 1);
+  result = XNEWVEC (char, len + 1);
 
   result[len] = '\0';
-  return memcpy (result, s, len);
+  return (char *) memcpy (result, s, len);
 }