Newxz() can use calloc() rather than malloc(), as the implementation

of calloc() may know that it has fresh pages from the OS, and so
doesn't need to zero them itself. Plus our object code should be
slightly smaller.

p4raw-id: //depot/perl@27774

diff --git a/handy.h b/handy.h
index 010cd9a..db9e006 100644 (file)
--- a/handy.h
+++ b/handy.h
@@ -717,8 +717,7 @@ Malloc_t Perl_mem_log_free(Malloc_t oldalloc, const char *filename, const int li
 
 #define Newx(v,n,t)    (v = (MEM_WRAP_CHECK_(n,t) MEM_LOG_ALLOC(n,t,(t*)safemalloc((MEM_SIZE)((n)*sizeof(t))))))
 #define Newxc(v,n,t,c) (v = (MEM_WRAP_CHECK_(n,t) MEM_LOG_ALLOC(n,t,(c*)safemalloc((MEM_SIZE)((n)*sizeof(t))))))
-#define Newxz(v,n,t)   (v = (MEM_WRAP_CHECK_(n,t) MEM_LOG_ALLOC(n,t,(t*)safemalloc((MEM_SIZE)((n)*sizeof(t)))))), \
-                       memzero((char*)(v), (n)*sizeof(t))
+#define Newxz(v,n,t)   (v = (MEM_WRAP_CHECK_(n,t) MEM_LOG_ALLOC(n,t,(t*)safecalloc((n),sizeof(t)))))
 
 #ifndef PERL_CORE
 /* pre 5.9.x compatibility */