From 78d2870f638221e075bcb0fbaf1e9f0a2b98c6b0 Mon Sep 17 00:00:00 2001
From: otto <>
Date: Sun, 2 Nov 2008 08:50:41 +0000
Subject: remove distinction between warnings and errors, ok deraadt@ djm@

---
 src/lib/libc/stdlib/malloc.3 | 44 ++++++++++++++++++--------------------------
 1 file changed, 18 insertions(+), 26 deletions(-)

(limited to 'src/lib/libc/stdlib/malloc.3')

diff --git a/src/lib/libc/stdlib/malloc.3 b/src/lib/libc/stdlib/malloc.3
index b9d62d04d0..8da3a299e1 100644
--- a/src/lib/libc/stdlib/malloc.3
+++ b/src/lib/libc/stdlib/malloc.3
@@ -30,9 +30,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: malloc.3,v 1.54 2008/08/07 18:41:47 otto Exp $
+.\"	$OpenBSD: malloc.3,v 1.55 2008/11/02 08:50:41 otto Exp $
 .\"
-.Dd $Mdocdate: August 7 2008 $
+.Dd $Mdocdate: November 2 2008 $
 .Dt MALLOC 3
 .Os
 .Sh NAME
@@ -215,9 +215,11 @@ Flags are single letters, uppercase means on, lowercase means off.
 .It Cm A
 .Dq Abort .
 .Fn malloc
-will coredump the process, rather than tolerate failure.
-This is a very handy debugging aid, since the core file will represent the
-time of failure, rather than when the null pointer was accessed.
+will coredump the process, rather than tolerate internal
+inconsistencies or incorrect usage.
+This is the default and a very handy debugging aid,
+since the core file represents the time of failure,
+rather than when the bogus pointer was used.
 .It Cm D
 .Dq Dump .
 .Fn malloc
@@ -248,9 +250,6 @@ Currently junk is bytes of 0xd0 when allocating; this is pronounced
 .Dq Duh .
 \&:-)
 Freed chunks are filled with 0xdf.
-.It Cm N
-Do not output warning messages when encountering possible corruption
-or bad pointers.
 .It Cm P
 .Dq Move allocations within a page.
 Allocations larger than half a page but smaller that a page
@@ -297,7 +296,7 @@ Increase the size of the free page cache by a factor of two.
 .El
 .Pp
 So to set a systemwide reduction of cache size and coredumps on problems:
-.Li ln -s 'A<' /etc/malloc.conf
+.Li ln -s 'G<' /etc/malloc.conf
 .Pp
 The
 .Cm J
@@ -349,22 +348,19 @@ If
 .Fn realloc ,
 or
 .Fn free
-detect an error or warning condition,
+detect an error condition,
 a message will be printed to file descriptor
 2 (not using stdio).
-Errors will always result in the process being
-.Xr abort 3 'ed.
-If the
-.Cm A
-option has been specified, warnings will also
-.Xr abort 3
-the process.
+Errors will result in the process being aborted,
+unless the
+.Cm a
+option has been specified.
 .Pp
 Here is a brief description of the error messages and what they mean:
 .Bl -tag -width Ds
 .It Dq out of memory
 If the
-.Cm A
+.Cm X
 option is specified it is an error for
 .Fn malloc ,
 .Fn calloc ,
@@ -375,14 +371,6 @@ to return
 .It Dq malloc init mmap failed
 This is a rather weird condition that is most likely to indicate a
 seriously overloaded system or a ulimit restriction.
-.It any other error
-.Fn malloc
-detected an internal error;
-consult sources and/or wizards.
-.El
-.Pp
-Here is a brief description of the warning messages and what they mean:
-.Bl -tag -width Ds
 .It Dq bogus pointer (double free?)
 An attempt to
 .Fn free
@@ -418,6 +406,10 @@ The internal malloc page cache has been corrupted.
 The internal malloc page cache has been corrupted.
 .It Dq guard size
 An inconsistent guard size was detected.
+.It any other error
+.Fn malloc
+detected an internal error;
+consult sources and/or wizards.
 .El
 .Sh SEE ALSO
 .Xr brk 2 ,
-- 
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