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| author |   Mike Frysinger <vapier@gentoo.org> | 2010-01-15 12:06:37 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-01-15 12:06:37 +0000 |
| commit | 984a714e1459f8fdfa3c162a609397be66460176 (patch) | |
| tree | d93b2eeadff6534b16d1d900160f71885cdf8781 /porting.h | |
| parent | check return value of lseek for errors (diff) | |
| download | pax-utils-984a714e1459f8fdfa3c162a609397be66460176.tar.gz pax-utils-984a714e1459f8fdfa3c162a609397be66460176.tar.bz2 pax-utils-984a714e1459f8fdfa3c162a609397be66460176.zip | |
make sure the maps we scan are aligned when needed (which often does not happen when reading static library archives *.a)
Diffstat (limited to 'porting.h')
| -rw-r--r-- | porting.h | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -1,7 +1,7 @@ /* * Copyright 2005-2007 Gentoo Foundation * Distributed under the terms of the GNU General Public License v2 - * $Header: /var/cvsroot/gentoo-projects/pax-utils/porting.h,v 1.38 2009/12/01 10:19:42 vapier Exp $ + * $Header: /var/cvsroot/gentoo-projects/pax-utils/porting.h,v 1.39 2010/01/15 12:06:37 vapier Exp $ * * Copyright 2005-2007 Ned Ludd - <solar@gentoo.org> * Copyright 2005-2007 Mike Frysinger - <vapier@gentoo.org> @@ -71,6 +71,17 @@ # define __PAX_UTILS_CLEANUP #endif +/* Few arches can safely do unaligned accesses */ +#if defined(__cris__) || \ + defined(__i386__) || \ + defined(__powerpc__) || \ + defined(__s390__) || \ + defined(__x86_64__) +# define __PAX_UNALIGNED_OK 1 +#else +# define __PAX_UNALIGNED_OK 0 +#endif + #if !defined(bswap_16) # if defined(bswap16) # define bswap_16 bswap16 |