| 15260 | JSON_HEDLEY_NON_NULL(1) |
| 15261 | JSON_HEDLEY_RETURNS_NON_NULL |
| 15262 | inline char* append_exponent(char* buf, int e) |
| 15263 | { |
| 15264 | JSON_ASSERT(e > -1000); |
| 15265 | JSON_ASSERT(e < 1000); |
| 15266 | |
| 15267 | if (e < 0) |
| 15268 | { |
| 15269 | e = -e; |
| 15270 | *buf++ = '-'; |
| 15271 | } |
| 15272 | else |
| 15273 | { |
| 15274 | *buf++ = '+'; |
| 15275 | } |
| 15276 | |
| 15277 | auto k = static_cast<std::uint32_t>(e); |
| 15278 | if (k < 10) |
| 15279 | { |
| 15280 | // Always print at least two digits in the exponent. |
| 15281 | // This is for compatibility with printf("%g"). |
| 15282 | *buf++ = '0'; |
| 15283 | *buf++ = static_cast<char>('0' + k); |
| 15284 | } |
| 15285 | else if (k < 100) |
| 15286 | { |
| 15287 | *buf++ = static_cast<char>('0' + k / 10); |
| 15288 | k %= 10; |
| 15289 | *buf++ = static_cast<char>('0' + k); |
| 15290 | } |
| 15291 | else |
| 15292 | { |
| 15293 | *buf++ = static_cast<char>('0' + k / 100); |
| 15294 | k %= 100; |
| 15295 | *buf++ = static_cast<char>('0' + k / 10); |
| 15296 | k %= 10; |
| 15297 | *buf++ = static_cast<char>('0' + k); |
| 15298 | } |
| 15299 | |
| 15300 | return buf; |
| 15301 | } |
| 15302 | |
| 15303 | /*! |
| 15304 | @brief prettify v = buf * 10^decimal_exponent |