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portable_endian.h: A more uniform fix for the various BSD flavours

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See pull requests #59 and #83.

It looks like various BSD derivates have adopted the more common naming
conventions for the endian conversion macros, which means that we would
attempt to redefine them without need (potentially even to 'historic'
names that no longer exist).

Try to avoid this by properly checking for existing functions first.

Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>
This commit is contained in:
Bernhard Nortmann 2016-11-28 19:14:35 +01:00
parent 4c4111034f
commit 384ff64734
1 changed files with 14 additions and 7 deletions
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21
include/portable_endian.h
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@ -41,22 +41,29 @@
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __PDP_ENDIAN PDP_ENDIAN
#elif defined(__OpenBSD__) || defined(__FreeBSD__)
# include <sys/endian.h>
#elif defined(__NetBSD__) || defined(__DragonFly__)
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
# include <sys/endian.h>
/* For functions still missing, try to substitute 'historic' OpenBSD names */
#ifndef be16toh
# define be16toh(x) betoh16(x)
#endif
#ifndef le16toh
# define le16toh(x) letoh16(x)
#endif
#ifndef be32toh
# define be32toh(x) betoh32(x)
#endif
#ifndef le32toh
# define le32toh(x) letoh32(x)
#endif
#ifndef be64toh
# define be64toh(x) betoh64(x)
#endif
#ifndef le64toh
# define le64toh(x) letoh64(x)
#endif
#elif defined(__WINDOWS__)