Add Perl_malloc_good_size to malloc.c. (A routine that rounds up the

[p5sagit/p5-mst-13.2.git] / malloc.c

diff --git a/malloc.c b/malloc.c
index 46a80a4..682eeb6 100644 (file)
--- a/malloc.c
+++ b/malloc.c
@@ -1404,23 +1404,12 @@ cmp_pat_4bytes(unsigned char *s, size_t nbytes, const unsigned char *fill)
 #  define FILLCHECK_DEADBEEF(s, n)     ((void)0)
 #endif
 
-Malloc_t
-Perl_malloc(register size_t nbytes)
+int
+S_ajust_size_and_find_bucket(size_t *nbytes_p)
 {
-        dVAR;
-       register union overhead *p;
-       register int bucket;
-       register MEM_SIZE shiftr;
-
-#if defined(DEBUGGING) || defined(RCHECK)
-       MEM_SIZE size = nbytes;
-#endif
-
-       BARK_64K_LIMIT("Allocation",nbytes,nbytes);
-#ifdef DEBUGGING
-       if ((long)nbytes < 0)
-           croak("%s", "panic: malloc");
-#endif
+       MEM_SIZE shiftr;
+       int bucket;
+       size_t nbytes = *nbytes_p;
 
        /*
         * Convert amount of memory requested into
@@ -1455,6 +1444,28 @@ Perl_malloc(register size_t nbytes)
            while (shiftr >>= 1)
                bucket += BUCKETS_PER_POW2;
        }
+       *nbytes_p = nbytes;
+       return bucket;
+}
+
+Malloc_t
+Perl_malloc(size_t nbytes)
+{
+        dVAR;
+       register union overhead *p;
+       register int bucket;
+
+#if defined(DEBUGGING) || defined(RCHECK)
+       MEM_SIZE size = nbytes;
+#endif
+
+       BARK_64K_LIMIT("Allocation",nbytes,nbytes);
+#ifdef DEBUGGING
+       if ((long)nbytes < 0)
+           croak("%s", "panic: malloc");
+#endif
+
+       bucket = S_ajust_size_and_find_bucket(&nbytes);
        MALLOC_LOCK;
        /*
         * If nothing in hash bucket right now,
@@ -2376,6 +2387,13 @@ Perl_malloced_size(void *p)
     return BUCKET_SIZE_REAL(bucket);
 }
 
+
+MEM_SIZE
+Perl_malloc_good_size(size_t wanted)
+{
+    return BUCKET_SIZE_REAL(S_ajust_size_and_find_bucket(&wanted));
+}
+
 #  ifdef BUCKETS_ROOT2
 #    define MIN_EVEN_REPORT 6
 #  else