| 35 | |
| 36 | template <unsigned int BITS> |
| 37 | void base_blob<BITS>::SetHex(const char* psz) |
| 38 | { |
| 39 | memset(m_data, 0, sizeof(m_data)); |
| 40 | |
| 41 | // skip leading spaces |
| 42 | while (IsSpace(*psz)) |
| 43 | psz++; |
| 44 | |
| 45 | // skip 0x |
| 46 | if (psz[0] == '0' && ToLower(psz[1]) == 'x') |
| 47 | psz += 2; |
| 48 | |
| 49 | // hex string to uint |
| 50 | size_t digits = 0; |
| 51 | while (::HexDigit(psz[digits]) != -1) |
| 52 | digits++; |
| 53 | unsigned char* p1 = (unsigned char*)m_data; |
| 54 | unsigned char* pend = p1 + WIDTH; |
| 55 | while (digits > 0 && p1 < pend) { |
| 56 | *p1 = ::HexDigit(psz[--digits]); |
| 57 | if (digits > 0) { |
| 58 | *p1 |= ((unsigned char)::HexDigit(psz[--digits]) << 4); |
| 59 | p1++; |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | template <unsigned int BITS> |
| 65 | void base_blob<BITS>::SetHex(const std::string& str) |