diff options
Diffstat (limited to 'internal.h')
-rw-r--r-- | internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/internal.h b/internal.h index 464266ffbb..963192d27b 100644 --- a/internal.h +++ b/internal.h @@ -70,6 +70,12 @@ extern "C" { #define MUL_OVERFLOW_INT_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, INT_MIN, INT_MAX) #ifndef swap16 +# ifdef HAVE_BUILTIN___BUILTIN_BSWAP16 +# define swap16(x) __builtin_bswap16(x) +# endif +#endif + +#ifndef swap16 # define swap16(x) ((uint16_t)((((x)&0xFF)<<8) | (((x)>>8)&0xFF))) #endif |