| 99 | } |
| 100 | |
| 101 | static std::pair<uint32_t, const char *> parse_hex(const char * src, int size) { |
| 102 | const char * pos = src; |
| 103 | const char * end = src + size; |
| 104 | uint32_t value = 0; |
| 105 | for ( ; pos < end && *pos; pos++) { |
| 106 | value <<= 4; |
| 107 | char c = *pos; |
| 108 | if ('a' <= c && c <= 'f') { |
| 109 | value += c - 'a' + 10; |
| 110 | } else if ('A' <= c && c <= 'F') { |
| 111 | value += c - 'A' + 10; |
| 112 | } else if ('0' <= c && c <= '9') { |
| 113 | value += c - '0'; |
| 114 | } else { |
| 115 | break; |
| 116 | } |
| 117 | } |
| 118 | if (pos != end) { |
| 119 | throw std::runtime_error("expecting " + std::to_string(size) + " hex chars at " + src); |
| 120 | } |
| 121 | return std::make_pair(value, pos); |
| 122 | } |
| 123 | |
| 124 | static const char * parse_space(const char * src, bool newline_ok) { |
| 125 | const char * pos = src; |
no test coverage detected