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-rw-r--r--sys/x86/include/endian.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/x86/include/endian.h b/sys/x86/include/endian.h
index ba101fa..2f95320 100644
--- a/sys/x86/include/endian.h
+++ b/sys/x86/include/endian.h
@@ -71,8 +71,8 @@
#ifdef __GNUCLIKE_BUILTIN_CONSTANT_P
#define __bswap16(x) \
- (__uint16_t)(__builtin_constant_p(x) ? \
- __bswap16_gen((__uint16_t)(x)) : __bswap16_var(x))
+ ((__uint16_t)(__builtin_constant_p(x) ? \
+ __bswap16_gen((__uint16_t)(x)) : __bswap16_var(x)))
#define __bswap32(x) \
(__builtin_constant_p(x) ? \
__bswap32_gen((__uint32_t)(x)) : __bswap32_var(x))
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