diff options
Diffstat (limited to 'src/common.h')
| -rw-r--r-- | src/common.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/common.h b/src/common.h new file mode 100644 index 0000000..c1d21c8 --- /dev/null +++ b/src/common.h @@ -0,0 +1,27 @@ +#ifndef TOTP_COMMON_H +#define TOTP_COMMON_H + +#if !__GNUC__ +# define __attribute__(x) +#endif + +/* TODO: Is this endian stuff potentially useful? */ + +/* If C23 or newer include this to get byte-order macros */ +#if __STDC_VERSION__ >= 202311L +# include <stdbit.h> +#endif + +#if (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ + || (defined(__STDC_ENDIAN_NATIVE__) \ + && __STDC_ENDIAN_NATIVE__ == __STDC_ENDIAN_BIG__) +# define ENDIAN_BIG 1 +#elif (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ + || (defined(__STDC_ENDIAN_NATIVE__) \ + && __STDC_ENDIAN_NATIVE__ == __STDC_ENDIAN_LITTLE__) +# define ENDIAN_LITTLE 1 +#else +# define ENDIAN_UNKNOWN 1 +#endif + +#endif /* !TOTP_COMMON_H */ |