| 29 | } |
| 30 | |
| 31 | bool ParseInt32(const std::string& str, int32_t *out) |
| 32 | { |
| 33 | if (!ParsePrechecks(str)) |
| 34 | return false; |
| 35 | char *endp = nullptr; |
| 36 | errno = 0; // strtol will not set errno if valid |
| 37 | long int n = strtol(str.c_str(), &endp, 10); |
| 38 | if(out) *out = (int32_t)n; |
| 39 | // Note that strtol returns a *long int*, so even if strtol doesn't report an over/underflow |
| 40 | // we still have to check that the returned value is within the range of an *int32_t*. On 64-bit |
| 41 | // platforms the size of these types may be different. |
| 42 | return endp && *endp == 0 && !errno && |
| 43 | n >= std::numeric_limits<int32_t>::min() && |
| 44 | n <= std::numeric_limits<int32_t>::max(); |
| 45 | } |
| 46 | |
| 47 | bool ParseInt64(const std::string& str, int64_t *out) |
| 48 | { |
no test coverage detected