[uclibc-ng-devel] [PATCH] bits/byteswap-common.h: import recent headers from glibc

Waldemar Brodkorb wbx at uclibc-ng.org
Fri Apr 1 17:46:37 CEST 2016


Hi Anthony,
Anthony G. Basile wrote,

> From: "Anthony G. Basile" <blueness at gentoo.org>
> 
> On systems where uClibc doesn't provide an arch specific byteswap.h,
> we fall back on bits/byteswap-common.h.  However, there is a bug
> in this header in the __bswap_constant_64(x) macro.  If, for example,
> a double is passed, we get 'invalid operands to binary &' in which we
> mismatch a 'double' and 'long long unsigned int'.  The newer glibc
> headers fix this and so we import them.  Also, since the inclusion of
> byteswap.h is not appropriate for assembly code, we guard a portion
> of endian.h which uses byteswap.h from inclusion in any assembly.
> 
> This is needed, for example, for f2fs-tools 1.6.0 on 32-bit big
> endian PowerPC.

Applied and pushed,
Thanks 
 Waldemar


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