diff options
Diffstat (limited to 'src/utilstrencodings.cpp')
| -rw-r--r-- | src/utilstrencodings.cpp | 56 |
1 files changed, 44 insertions, 12 deletions
diff --git a/src/utilstrencodings.cpp b/src/utilstrencodings.cpp index 74bf66fbf6..741680e93f 100644 --- a/src/utilstrencodings.cpp +++ b/src/utilstrencodings.cpp @@ -65,6 +65,19 @@ bool IsHex(const std::string& str) return (str.size() > 0) && (str.size()%2 == 0); } +bool IsHexNumber(const std::string& str) +{ + size_t starting_location = 0; + if (str.size() > 2 && *str.begin() == '0' && *(str.begin()+1) == 'x') { + starting_location = 2; + } + for (auto c : str.substr(starting_location)) { + if (HexDigit(c) < 0) return false; + } + // Return false for empty string or "0x". + return (str.size() > starting_location); +} + std::vector<unsigned char> ParseHex(const char* psz) { // convert hex dump to vector @@ -91,6 +104,25 @@ std::vector<unsigned char> ParseHex(const std::string& str) return ParseHex(str.c_str()); } +void SplitHostPort(std::string in, int &portOut, std::string &hostOut) { + size_t colon = in.find_last_of(':'); + // if a : is found, and it either follows a [...], or no other : is in the string, treat it as port separator + bool fHaveColon = colon != in.npos; + bool fBracketed = fHaveColon && (in[0]=='[' && in[colon-1]==']'); // if there is a colon, and in[0]=='[', colon is not 0, so in[colon-1] is safe + bool fMultiColon = fHaveColon && (in.find_last_of(':',colon-1) != in.npos); + if (fHaveColon && (colon==0 || fBracketed || !fMultiColon)) { + int32_t n; + if (ParseInt32(in.substr(colon + 1), &n) && n > 0 && n < 0x10000) { + in = in.substr(0, colon); + portOut = n; + } + } + if (in.size()>0 && in[0] == '[' && in[in.size()-1] == ']') + hostOut = in.substr(1, in.size()-2); + else + hostOut = in; +} + std::string EncodeBase64(const unsigned char* pch, size_t len) { static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; @@ -228,7 +260,7 @@ std::vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid) std::string DecodeBase64(const std::string& str) { std::vector<unsigned char> vchRet = DecodeBase64(str.c_str()); - return (vchRet.size() == 0) ? std::string() : std::string((const char*)&vchRet[0], vchRet.size()); + return std::string((const char*)vchRet.data(), vchRet.size()); } std::string EncodeBase32(const unsigned char* pch, size_t len) @@ -415,7 +447,7 @@ std::vector<unsigned char> DecodeBase32(const char* p, bool* pfInvalid) std::string DecodeBase32(const std::string& str) { std::vector<unsigned char> vchRet = DecodeBase32(str.c_str()); - return (vchRet.size() == 0) ? std::string() : std::string((const char*)&vchRet[0], vchRet.size()); + return std::string((const char*)vchRet.data(), vchRet.size()); } static bool ParsePrechecks(const std::string& str) @@ -433,11 +465,11 @@ bool ParseInt32(const std::string& str, int32_t *out) { if (!ParsePrechecks(str)) return false; - char *endp = NULL; + char *endp = nullptr; errno = 0; // strtol will not set errno if valid long int n = strtol(str.c_str(), &endp, 10); if(out) *out = (int32_t)n; - // Note that strtol returns a *long int*, so even if strtol doesn't report a over/underflow + // Note that strtol returns a *long int*, so even if strtol doesn't report an over/underflow // we still have to check that the returned value is within the range of an *int32_t*. On 64-bit // platforms the size of these types may be different. return endp && *endp == 0 && !errno && @@ -449,11 +481,11 @@ bool ParseInt64(const std::string& str, int64_t *out) { if (!ParsePrechecks(str)) return false; - char *endp = NULL; + char *endp = nullptr; errno = 0; // strtoll will not set errno if valid long long int n = strtoll(str.c_str(), &endp, 10); if(out) *out = (int64_t)n; - // Note that strtoll returns a *long long int*, so even if strtol doesn't report a over/underflow + // Note that strtoll returns a *long long int*, so even if strtol doesn't report an over/underflow // we still have to check that the returned value is within the range of an *int64_t*. return endp && *endp == 0 && !errno && n >= std::numeric_limits<int64_t>::min() && @@ -466,11 +498,11 @@ bool ParseUInt32(const std::string& str, uint32_t *out) 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; + char *endp = nullptr; 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 + // Note that strtoul returns a *unsigned long int*, so even if it doesn't report an 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 && @@ -483,11 +515,11 @@ bool ParseUInt64(const std::string& str, uint64_t *out) 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; + char *endp = nullptr; 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 + // Note that strtoull returns a *unsigned long long int*, so even if it doesn't report an 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(); @@ -564,7 +596,7 @@ int64_t atoi64(const char* psz) #ifdef _MSC_VER return _atoi64(psz); #else - return strtoll(psz, NULL, 10); + return strtoll(psz, nullptr, 10); #endif } @@ -573,7 +605,7 @@ int64_t atoi64(const std::string& str) #ifdef _MSC_VER return _atoi64(str.c_str()); #else - return strtoll(str.c_str(), NULL, 10); + return strtoll(str.c_str(), nullptr, 10); #endif } |