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Fix NimBLEUtils::dataToHexString returned string, must resize before modifying.

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thekurtovic 2024-11-14 09:56:49 -05:00 committed by h2zero
parent 84f4d4f897
commit ab43135f82
1 changed files with 1 additions and 1 deletions
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src/NimBLEUtils.cpp
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@ -500,7 +500,7 @@ const char* NimBLEUtils::gapEventToString(uint8_t eventType) {
std::string NimBLEUtils::dataToHexString(const uint8_t* source, uint8_t length) {
constexpr char hexmap[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
std::string str{};
str.reserve(length * 2 + 1);
str.resize(length * 2);
for (uint8_t i = 0; i < length; i++) {
str[2 * i] = hexmap[(source[i] & 0xF0) >> 4];