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fix tyops

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This commit is contained in:
christos 2007-05-23 15:00:39 +00:00
parent 410727fbc5
commit 35b6e48aee
1 changed files with 7 additions and 7 deletions
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14
lib/libssp/ssp.3
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@ -1,4 +1,4 @@
.\" $NetBSD: ssp.3,v 1.1 2007/05/23 14:41:02 christos Exp $
.\" $NetBSD: ssp.3,v 1.2 2007/05/23 15:00:39 christos Exp $
.\"
.\" Copyright (c) 2007 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -74,26 +74,26 @@
.Fn strncat "char *str" "const char *ptr" "size_t len"
.In ssp/unistd.h
.Ft ssize_t
.Fn read "int fd", "void *str" "size_t len"
.Fn read "int fd" "void *str" "size_t len"
.Ft int
.Fn readlink "const char * restrict path", "char * restrict str" "size_t len"
.Fn readlink "const char * restrict path" "char * restrict str" "size_t len"
.Ft int
.Fn getcwd "char *str" "size_t len"
.Sh DESCRIPTION
When
.Dv _FORTIFY_SOURCE
bounds checking is enabled as described below, the functions get overwriten
to utilize the
bounds checking is enabled as described below, the above functions get
overwriten to utilize the
.Xr gcc 1
.Xr __builtin_object_size 3
function to compute the size of
.Fa str
if known at compile time and perform bounds check on it in order
to avoid data buffer or stack buffer overflows.
If such overflow is detected the routines will call
If an overflow is detected the routines will call
.Xr abort 3 .
.Pp
To enable these functions the following should be added to the
To enable these function overrides the following should be added to the
.Xr gcc 1
command line:
.Dq \-I/usr/include/ssp