Make sure Perl_mem_log_(?:alloc|realloc|free) have C linkage,

so modules like Digest::MD5, that are including perl.h from
within an 'extern "C"' block, will actually see them when
building with a C++ compiler.

Also make sure that Perl_mem_log_(?:new|del)_sv are only seen
by sv.c.

p4raw-id: //depot/perl@34598

diff --git a/handy.h b/handy.h
index ca80375..d51b75d 100644 (file)
--- a/handy.h
+++ b/handy.h
@@ -762,11 +762,11 @@ PoisonWith(0xEF) for catching access to freed memory.
  *   any News() happening...?
  */
 
-Malloc_t Perl_mem_log_alloc(const UV n, const UV typesize, const char *type_name, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname);
+PERL_EXPORT_C Malloc_t Perl_mem_log_alloc(const UV n, const UV typesize, const char *type_name, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname);
 
-Malloc_t Perl_mem_log_realloc(const UV n, const UV typesize, const char *type_name, Malloc_t oldalloc, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname);
+PERL_EXPORT_C Malloc_t Perl_mem_log_realloc(const UV n, const UV typesize, const char *type_name, Malloc_t oldalloc, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname);
 
-Malloc_t Perl_mem_log_free(Malloc_t oldalloc, const char *filename, const int linenumber, const char *funcname);
+PERL_EXPORT_C Malloc_t Perl_mem_log_free(Malloc_t oldalloc, const char *filename, const int linenumber, const char *funcname);
 
 # ifdef PERL_CORE
 #  ifdef PERL_MEM_LOG_STDERR
@@ -778,9 +778,10 @@ enum mem_log_type {
   MLT_DEL_SV
 };
 #  endif
-/* those are only used in sv.c */
+#  if defined(PERL_IN_SV_C)  /* those are only used in sv.c */
 void Perl_mem_log_new_sv(const SV *sv, const char *filename, const int linenumber, const char *funcname);
 void Perl_mem_log_del_sv(const SV *sv, const char *filename, const int linenumber, const char *funcname);
+#  endif
 # endif
 
 #endif