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mark source of swap functions as const

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This commit is contained in:
matthias.ringwald@gmail.com 2014-04-11 10:25:05 +00:00
parent c032b69fa6
commit 6e3802d535
2 changed files with 10 additions and 10 deletions
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10
include/btstack/utils.h
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@ -124,11 +124,11 @@ void bt_flip_addr(bd_addr_t dest, bd_addr_t src);
void net_store_16(uint8_t *buffer, uint16_t pos, uint16_t value); void net_store_16(uint8_t *buffer, uint16_t pos, uint16_t value);
void net_store_32(uint8_t *buffer, uint16_t pos, uint32_t value); void net_store_32(uint8_t *buffer, uint16_t pos, uint32_t value);
void swapX(uint8_t *src, uint8_t *dst, int len); void swapX(const uint8_t *src, uint8_t *dst, int len);
void swap24(uint8_t src[3], uint8_t dst[3]); void swap24(const uint8_t src[3], uint8_t dst[3]);
void swap56(uint8_t src[7], uint8_t dst[7]); void swap56(const uint8_t src[7], uint8_t dst[7]);
void swap64(uint8_t src[8], uint8_t dst[8]); void swap64(const uint8_t src[8], uint8_t dst[8]);
void swap128(uint8_t src[16], uint8_t dst[16]); void swap128(const uint8_t src[16], uint8_t dst[16]);
void hexdump(void *data, int size); void hexdump(void *data, int size);
void printUUID128(uint8_t *uuid); void printUUID128(uint8_t *uuid);

10
src/utils.c
View File

@ -81,21 +81,21 @@ void bt_flip_addr(bd_addr_t dest, bd_addr_t src){
} }
// general swap/endianess utils // general swap/endianess utils
void swapX(uint8_t *src, uint8_t *dst, int len){ void swapX(const uint8_t *src, uint8_t *dst, int len){
int i; int i;
for (i = 0; i < len; i++) for (i = 0; i < len; i++)
dst[len - 1 - i] = src[i]; dst[len - 1 - i] = src[i];
} }
void swap24(uint8_t src[3], uint8_t dst[3]){ void swap24(const uint8_t src[3], uint8_t dst[3]){
swapX(src, dst, 3); swapX(src, dst, 3);
} }
void swap56(uint8_t src[7], uint8_t dst[7]){ void swap56(const uint8_t src[7], uint8_t dst[7]){
swapX(src, dst, 7); swapX(src, dst, 7);
} }
void swap64(uint8_t src[8], uint8_t dst[8]){ void swap64(const uint8_t src[8], uint8_t dst[8]){
swapX(src, dst, 8); swapX(src, dst, 8);
} }
void swap128(uint8_t src[16], uint8_t dst[16]){ void swap128(const uint8_t src[16], uint8_t dst[16]){
swapX(src, dst, 16); swapX(src, dst, 16);
} }