diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/test/util_tests.cpp | 63 | ||||
| -rw-r--r-- | src/utilstrencodings.cpp | 34 | ||||
| -rw-r--r-- | src/utilstrencodings.h | 14 |
3 files changed, 111 insertions, 0 deletions
diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp index b99f952a0d..e467a4171d 100644 --- a/src/test/util_tests.cpp +++ b/src/test/util_tests.cpp @@ -376,6 +376,69 @@ BOOST_AUTO_TEST_CASE(test_ParseInt64) BOOST_CHECK(!ParseInt64("32482348723847471234", NULL)); } +BOOST_AUTO_TEST_CASE(test_ParseUInt32) +{ + uint32_t n; + // Valid values + BOOST_CHECK(ParseUInt32("1234", NULL)); + BOOST_CHECK(ParseUInt32("0", &n) && n == 0); + BOOST_CHECK(ParseUInt32("1234", &n) && n == 1234); + BOOST_CHECK(ParseUInt32("01234", &n) && n == 1234); // no octal + BOOST_CHECK(ParseUInt32("2147483647", &n) && n == 2147483647); + BOOST_CHECK(ParseUInt32("2147483648", &n) && n == (uint32_t)2147483648); + BOOST_CHECK(ParseUInt32("4294967295", &n) && n == (uint32_t)4294967295); + // Invalid values + BOOST_CHECK(!ParseUInt32("", &n)); + BOOST_CHECK(!ParseUInt32(" 1", &n)); // no padding inside + BOOST_CHECK(!ParseUInt32(" -1", &n)); + BOOST_CHECK(!ParseUInt32("1 ", &n)); + BOOST_CHECK(!ParseUInt32("1a", &n)); + BOOST_CHECK(!ParseUInt32("aap", &n)); + BOOST_CHECK(!ParseUInt32("0x1", &n)); // no hex + BOOST_CHECK(!ParseUInt32("0x1", &n)); // no hex + const char test_bytes[] = {'1', 0, '1'}; + std::string teststr(test_bytes, sizeof(test_bytes)); + BOOST_CHECK(!ParseUInt32(teststr, &n)); // no embedded NULs + // Overflow and underflow + BOOST_CHECK(!ParseUInt32("-2147483648", &n)); + BOOST_CHECK(!ParseUInt32("4294967296", &n)); + BOOST_CHECK(!ParseUInt32("-1234", &n)); + BOOST_CHECK(!ParseUInt32("-32482348723847471234", NULL)); + BOOST_CHECK(!ParseUInt32("32482348723847471234", NULL)); +} + +BOOST_AUTO_TEST_CASE(test_ParseUInt64) +{ + uint64_t n; + // Valid values + BOOST_CHECK(ParseUInt64("1234", NULL)); + BOOST_CHECK(ParseUInt64("0", &n) && n == 0LL); + BOOST_CHECK(ParseUInt64("1234", &n) && n == 1234LL); + BOOST_CHECK(ParseUInt64("01234", &n) && n == 1234LL); // no octal + BOOST_CHECK(ParseUInt64("2147483647", &n) && n == 2147483647LL); + BOOST_CHECK(ParseUInt64("9223372036854775807", &n) && n == 9223372036854775807ULL); + BOOST_CHECK(ParseUInt64("9223372036854775808", &n) && n == 9223372036854775808ULL); + BOOST_CHECK(ParseUInt64("18446744073709551615", &n) && n == 18446744073709551615ULL); + // Invalid values + BOOST_CHECK(!ParseUInt64("", &n)); + BOOST_CHECK(!ParseUInt64(" 1", &n)); // no padding inside + BOOST_CHECK(!ParseUInt64(" -1", &n)); + BOOST_CHECK(!ParseUInt64("1 ", &n)); + BOOST_CHECK(!ParseUInt64("1a", &n)); + BOOST_CHECK(!ParseUInt64("aap", &n)); + BOOST_CHECK(!ParseUInt64("0x1", &n)); // no hex + const char test_bytes[] = {'1', 0, '1'}; + std::string teststr(test_bytes, sizeof(test_bytes)); + BOOST_CHECK(!ParseUInt64(teststr, &n)); // no embedded NULs + // Overflow and underflow + BOOST_CHECK(!ParseUInt64("-9223372036854775809", NULL)); + BOOST_CHECK(!ParseUInt64("18446744073709551616", NULL)); + BOOST_CHECK(!ParseUInt64("-32482348723847471234", NULL)); + BOOST_CHECK(!ParseUInt64("-2147483648", &n)); + BOOST_CHECK(!ParseUInt64("-9223372036854775808", &n)); + BOOST_CHECK(!ParseUInt64("-1234", &n)); +} + BOOST_AUTO_TEST_CASE(test_ParseDouble) { double n; diff --git a/src/utilstrencodings.cpp b/src/utilstrencodings.cpp index 0f9334cbe3..5ffdb3be15 100644 --- a/src/utilstrencodings.cpp +++ b/src/utilstrencodings.cpp @@ -461,6 +461,40 @@ bool ParseInt64(const std::string& str, int64_t *out) n <= std::numeric_limits<int64_t>::max(); } +bool ParseUInt32(const std::string& str, uint32_t *out) +{ + if (!ParsePrechecks(str)) + return false; + if (str.size() >= 1 && str[0] == '-') // Reject negative values, unfortunately strtoul accepts these by default if they fit in the range + return false; + char *endp = NULL; + errno = 0; // strtoul will not set errno if valid + unsigned long int n = strtoul(str.c_str(), &endp, 10); + if(out) *out = (uint32_t)n; + // Note that strtoul returns a *unsigned long int*, so even if it doesn't report a over/underflow + // we still have to check that the returned value is within the range of an *uint32_t*. On 64-bit + // platforms the size of these types may be different. + return endp && *endp == 0 && !errno && + n <= std::numeric_limits<uint32_t>::max(); +} + +bool ParseUInt64(const std::string& str, uint64_t *out) +{ + if (!ParsePrechecks(str)) + return false; + if (str.size() >= 1 && str[0] == '-') // Reject negative values, unfortunately strtoull accepts these by default if they fit in the range + return false; + char *endp = NULL; + errno = 0; // strtoull will not set errno if valid + unsigned long long int n = strtoull(str.c_str(), &endp, 10); + if(out) *out = (uint64_t)n; + // Note that strtoull returns a *unsigned long long int*, so even if it doesn't report a over/underflow + // we still have to check that the returned value is within the range of an *uint64_t*. + return endp && *endp == 0 && !errno && + n <= std::numeric_limits<uint64_t>::max(); +} + + bool ParseDouble(const std::string& str, double *out) { if (!ParsePrechecks(str)) diff --git a/src/utilstrencodings.h b/src/utilstrencodings.h index d40613cfc4..5744f78c6e 100644 --- a/src/utilstrencodings.h +++ b/src/utilstrencodings.h @@ -71,6 +71,20 @@ bool ParseInt32(const std::string& str, int32_t *out); bool ParseInt64(const std::string& str, int64_t *out); /** + * Convert decimal string to unsigned 32-bit integer with strict parse error feedback. + * @returns true if the entire string could be parsed as valid integer, + * false if not the entire string could be parsed or when overflow or underflow occurred. + */ +bool ParseUInt32(const std::string& str, uint32_t *out); + +/** + * Convert decimal string to unsigned 64-bit integer with strict parse error feedback. + * @returns true if the entire string could be parsed as valid integer, + * false if not the entire string could be parsed or when overflow or underflow occurred. + */ +bool ParseUInt64(const std::string& str, uint64_t *out); + +/** * Convert string to double with strict parse error feedback. * @returns true if the entire string could be parsed as valid double, * false if not the entire string could be parsed or when overflow or underflow occurred. |