X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=malloc.c;h=e5f58e46110d7c8cda6661d95f93ed13981df8eb;hb=04ab2c8763f1a01bee803d3ef65890b775f28c21;hp=456bed8282758f735feacd75453f074321dfcb8a;hpb=67920cb215a6d139ad318fbf8eb54903e101dde5;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/malloc.c b/malloc.c
index 456bed8..e5f58e4 100644
--- a/malloc.c
+++ b/malloc.c
@@ -357,6 +357,7 @@
 #      define Free_t void
 #    endif
 #    define Copy(s,d,n,t) (void)memcpy((char*)(d),(char*)(s), (n) * sizeof(t))
+#    define CopyD(s,d,n,t) memcpy((char*)(d),(char*)(s), (n) * sizeof(t))
 #    define PerlEnv_getenv getenv
 #    define PerlIO_printf fprintf
 #    define PerlIO_stderr() stderr
@@ -566,6 +567,9 @@ union	overhead {
 	union	overhead *ov_next;	/* when free */
 #if MEM_ALIGNBYTES > 4
 	double	strut;			/* alignment problems */
+#  if MEM_ALIGNBYTES > 8
+	char	sstrut[MEM_ALIGNBYTES]; /* for the sizing */
+#  endif
 #endif
 	struct {
 /*
@@ -1065,6 +1069,12 @@ static IV MallocCfg[MallocCfg_last] = {
 };
 IV *MallocCfg_ptr = MallocCfg;
 
+static char* MallocCfgP[MallocCfg_last] = {
+  0,			/* MallocCfgP_emergency_buffer */
+  0,			/* MallocCfgP_emergency_buffer_prepared */
+};
+char **MallocCfgP_ptr = MallocCfgP;
+
 #  undef MIN_SBRK
 #  undef FIRST_SBRK
 #  undef MIN_SBRK_FRAC1000
@@ -1087,6 +1097,9 @@ IV *MallocCfg_ptr = MallocCfg;
 #  define FILL_CHECK_CFG	MallocCfg[MallocCfg_fillcheck]
 #  define FILL_CHECK		(FILL_DEAD && FILL_CHECK_CFG)
 
+#  define emergency_buffer	MallocCfgP[MallocCfgP_emergency_buffer]
+#  define emergency_buffer_prepared	MallocCfgP[MallocCfgP_emergency_buffer_prepared]
+
 #else	/* defined(NO_MALLOC_DYNAMIC_CFG) */
 
 #  define FILL_DEAD	1
@@ -1118,14 +1131,13 @@ static	u_int goodsbrk;
 #    define BIG_SIZE (1<<16)		/* 64K */
 #  endif
 
-static char *emergency_buffer;
-static char *emergency_buffer_prepared;
-
 #  ifdef NO_MALLOC_DYNAMIC_CFG
 static MEM_SIZE emergency_buffer_size;
 	/* 0 if the last request for more memory succeeded.
 	   Otherwise the size of the failing request. */
 static MEM_SIZE emergency_buffer_last_req;
+static char *emergency_buffer;
+static char *emergency_buffer_prepared;
 #  endif
 
 #  ifndef emergency_sbrk_croak
@@ -2300,8 +2312,7 @@ Perl_strdup(const char *s)
     MEM_SIZE l = strlen(s);
     char *s1 = (char *)Perl_malloc(l+1);
 
-    Copy(s, s1, (MEM_SIZE)(l+1), char);
-    return s1;
+    return CopyD(s, s1, (MEM_SIZE)(l+1), char);
 }
 
 #ifdef PERL_CORE