utils.h: fix name collisions in __u_bswap16 with using "val" both inside the macro and as argument

Reported-by: Markus Stenberg <markus.stenberg@iki.fi>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
Felix Fietkau 2013-10-24 11:33:22 +02:00
parent 13a9b7c709
commit a2453456f2

View file

@ -100,7 +100,10 @@ void clock_gettime(int type, struct timespec *tv);
#define __LITTLE_ENDIAN LITTLE_ENDIAN
#endif
#define __u_bswap16(x) ({ uint16_t val = (x); ((uint16_t)(((val >> 8) & 0xffu) | ((val & 0xffu) << 8))); })
static inline uint16_t __u_bswap16(uint16_t val)
{
return ((val >> 8) & 0xffu) | ((val & 0xffu) << 8);
}
#if _GNUC_MIN_VER(4, 2)
#define __u_bswap32(x) __builtin_bswap32(x)