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authorUlrich Drepper <drepper@redhat.com>2005-03-08 00:44:05 +0000
committerUlrich Drepper <drepper@redhat.com>2005-03-08 00:44:05 +0000
commita5a33449fb4b947c681968834b380cbc374018bb (patch)
tree16dac25d1ad7ef11a0828ce241f2da553c89841a
parent7511232436f31d007797c7d7bd4950e1d14842d2 (diff)
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(ptmalloc_init): Recognize MALLOC_PERTURB_ and call mallopt appropriately.
-rw-r--r--malloc/arena.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/malloc/arena.c b/malloc/arena.c
index 8202aaf01b..8db255966d 100644
--- a/malloc/arena.c
+++ b/malloc/arena.c
@@ -482,8 +482,13 @@ ptmalloc_init (void)
 		s = &envline[7];
 	      break;
 	    case 8:
-	      if (! secure && memcmp (envline, "TOP_PAD_", 8) == 0)
-		mALLOPt(M_TOP_PAD, atoi(&envline[9]));
+	      if (! secure)
+		{
+		  if (memcmp (envline, "TOP_PAD_", 8) == 0)
+		    mALLOPt(M_TOP_PAD, atoi(&envline[9]));
+		  else if (memcmp (envline, "PERTURB_", 8) == 0)
+		    mALLOPt(M_PERTURB, atoi(&envline[9]));
+		}
 	      break;
 	    case 9:
 	      if (! secure && memcmp (envline, "MMAP_MAX_", 9) == 0)
@@ -510,6 +515,8 @@ ptmalloc_init (void)
 	mALLOPt(M_TRIM_THRESHOLD, atoi(s));
       if((s = getenv("MALLOC_TOP_PAD_")))
 	mALLOPt(M_TOP_PAD, atoi(s));
+      if((s = getenv("MALLOC_PERTURB_")))
+	mALLOPt(M_PERTURB, atoi(s));
       if((s = getenv("MALLOC_MMAP_THRESHOLD_")))
 	mALLOPt(M_MMAP_THRESHOLD, atoi(s));
       if((s = getenv("MALLOC_MMAP_MAX_")))