From a5a33449fb4b947c681968834b380cbc374018bb Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 8 Mar 2005 00:44:05 +0000 Subject: (ptmalloc_init): Recognize MALLOC_PERTURB_ and call mallopt appropriately. --- malloc/arena.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'malloc') 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_"))) -- cgit v1.2.1