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btstack_util: avoid signed/unsigned mix

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This commit is contained in:
Matthias Ringwald 2020-07-15 20:50:09 +02:00
parent 50d5c6caab
commit 5ebc82273f
1 changed files with 3 additions and 3 deletions
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6
src/btstack_util.h
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@ -141,7 +141,7 @@ void big_endian_store_32(uint8_t *buffer, uint16_t pos, uint32_t value);
* @brief Swap bytes in 16 bit integer * @brief Swap bytes in 16 bit integer
*/ */
static inline uint16_t btstack_flip_16(uint16_t value){ static inline uint16_t btstack_flip_16(uint16_t value){
return (uint16_t)((value & 0xff) << 8) | (value >> 8); return (uint16_t)((value & 0xffu) << 8) | (value >> 8);
} }
/** /**
@ -150,7 +150,7 @@ static inline uint16_t btstack_flip_16(uint16_t value){
*/ */
static inline int btstack_is_big_endian(void){ static inline int btstack_is_big_endian(void){
uint16_t sample = 0x0100; uint16_t sample = 0x0100;
return *(uint8_t*) &sample; return (int) *(uint8_t*) &sample;
} }
/** /**
@ -159,7 +159,7 @@ static inline int btstack_is_big_endian(void){
*/ */
static inline int btstack_is_little_endian(void){ static inline int btstack_is_little_endian(void){
uint16_t sample = 0x0001; uint16_t sample = 0x0001;
return *(uint8_t*) &sample; return (int) *(uint8_t*) &sample;
} }
/** /**