diff options
Diffstat (limited to 'src/utilstrencodings.cpp')
| -rw-r--r-- | src/utilstrencodings.cpp | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/src/utilstrencodings.cpp b/src/utilstrencodings.cpp index 9ee14070a2..d90713ed6a 100644 --- a/src/utilstrencodings.cpp +++ b/src/utilstrencodings.cpp @@ -3,9 +3,9 @@ // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. -#include "utilstrencodings.h" +#include <utilstrencodings.h> -#include "tinyformat.h" +#include <tinyformat.h> #include <cstdlib> #include <cstring> @@ -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 @@ -452,7 +465,7 @@ 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; @@ -468,7 +481,7 @@ 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; @@ -485,7 +498,7 @@ 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; @@ -502,7 +515,7 @@ 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; @@ -583,7 +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 } @@ -592,7 +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 } |