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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2018-10-09 15:21:27 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-10-09 15:21:27 +0200 |
| commit | d65817ce05c874617e12e7c0bccc9ed39dcd9202 (patch) | |
| tree | 0176071871ce44d7a2569412c9f211d5c827f0d4 /src/tools | |
| parent | global: give if statements brackets and other cleanups (diff) | |
| download | wireguard-monolithic-historical-d65817ce05c874617e12e7c0bccc9ed39dcd9202.tar.xz wireguard-monolithic-historical-d65817ce05c874617e12e7c0bccc9ed39dcd9202.zip | |
tools: use libc's endianness macro if no compiler macro
This lets us be compiled with ancient gcc.
Reported-by: Jeff Brandt <jeff@jeffcolo.net>
Diffstat (limited to 'src/tools')
| -rw-r--r-- | src/tools/curve25519.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/tools/curve25519.c b/src/tools/curve25519.c index 1852df5..c65b2ca 100644 --- a/src/tools/curve25519.c +++ b/src/tools/curve25519.c @@ -8,6 +8,16 @@ #include <stdint.h> #include <string.h> +#ifndef __BYTE_ORDER__ +#include <sys/param.h> +#if !defined(BYTE_ORDER) || !defined(BIG_ENDIAN) || !defined(LITTLE_ENDIAN) +#error "Unable to determine endianness." +#endif +#define __BYTE_ORDER__ BYTE_ORDER +#define __ORDER_BIG_ENDIAN__ BIG_ENDIAN +#define __ORDER_LITTLE_ENDIAN__ LITTLE_ENDIAN +#endif + #ifdef __linux__ #include <linux/types.h> typedef __u64 u64; |