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use std::reverse_copy to switch byte-order

master
Rohit Grover 2015-12-07 15:44:28 +00:00
parent 9ba091134d
commit 694130ff18
1 changed files with 3 additions and 4 deletions
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7
ble/UUID.h
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@ -19,6 +19,7 @@
#include <stdint.h>
#include <string.h>
#include <algorithm>
#include "blecommon.h"
@ -177,11 +178,9 @@ public:
type = UUID_TYPE_LONG;
if (order == UUID::MSB) {
// Switch endian. Input is big-endian, internal representation is little endian.
for (size_t index = 0; index < LENGTH_OF_LONG_UUID; index++) {
baseUUID[LENGTH_OF_LONG_UUID - 1 - index] = longUUID[index];
}
std::reverse_copy(longUUID, longUUID + LENGTH_OF_LONG_UUID, baseUUID);
} else {
memcpy(baseUUID, longUUID, LENGTH_OF_LONG_UUID);
std::copy(longUUID, longUUID + LENGTH_OF_LONG_UUID, baseUUID);
}
shortUUID = (uint16_t)((baseUUID[13] << 8) | (baseUUID[12]));
}