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byteorder: Explicitly check for htoXeXX macros

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Some platforms have XetohXX macros instead of XeXXtoh macros, in which
case we'd redefine the htoXeXX macros.
This commit is contained in:
Tobias Brunner
2016-03-31 19:47:31 +02:00
parent be41d5cba2
commit 90c8cf6819
1 changed files with 18 additions and 3 deletions
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src/libstrongswan/utils/utils/byteorder.h
+18 -3
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@@ -47,9 +47,14 @@
#ifndef le32toh #ifndef le32toh
# if BYTE_ORDER == BIG_ENDIAN # if BYTE_ORDER == BIG_ENDIAN
# define le32toh(x) __builtin_bswap32(x) # define le32toh(x) __builtin_bswap32(x)
# define htole32(x) __builtin_bswap32(x)
# else # else
# define le32toh(x) (x) # define le32toh(x) (x)
# endif
#endif
#ifndef htole32
# if BYTE_ORDER == BIG_ENDIAN
# define htole32(x) __builtin_bswap32(x)
# else
# define htole32(x) (x) # define htole32(x) (x)
# endif # endif
#endif #endif
@@ -57,9 +62,14 @@
#ifndef le64toh #ifndef le64toh
# if BYTE_ORDER == BIG_ENDIAN # if BYTE_ORDER == BIG_ENDIAN
# define le64toh(x) __builtin_bswap64(x) # define le64toh(x) __builtin_bswap64(x)
# define htole64(x) __builtin_bswap64(x)
# else # else
# define le64toh(x) (x) # define le64toh(x) (x)
# endif
#endif
#ifndef htole64
# if BYTE_ORDER == BIG_ENDIAN
# define htole64(x) __builtin_bswap64(x)
# else
# define htole64(x) (x) # define htole64(x) (x)
# endif # endif
#endif #endif
@@ -67,9 +77,14 @@
#ifndef be64toh #ifndef be64toh
# if BYTE_ORDER == BIG_ENDIAN # if BYTE_ORDER == BIG_ENDIAN
# define be64toh(x) (x) # define be64toh(x) (x)
# define htobe64(x) (x)
# else # else
# define be64toh(x) __builtin_bswap64(x) # define be64toh(x) __builtin_bswap64(x)
# endif
#endif
#ifndef htobe64
# if BYTE_ORDER == BIG_ENDIAN
# define htobe64(x) (x)
# else
# define htobe64(x) __builtin_bswap64(x) # define htobe64(x) __builtin_bswap64(x)
# endif # endif
#endif #endif