Merge pull request #1807 from laanwj/2012_09_printf_warnings
Add printf-style warnings to strprintf() and OutputDebugStringF()
This commit is contained in:
Wladimir J. van der Laan
commit
5a1a362215
@ -305,7 +305,7 @@ public:
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psz++;
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// hex string to bignum
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static signed char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
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static const signed char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
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*this = 0;
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while (isxdigit(*psz))
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{
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@ -306,7 +306,7 @@ public:
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psz += 2;
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// hex string to uint
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static unsigned char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
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static const unsigned char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
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const char* pbegin = psz;
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while (phexdigit[(unsigned char)*psz] || *psz == '0')
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psz++;
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21
src/util.cpp
21
src/util.cpp
@ -274,7 +274,7 @@ inline int OutputDebugStringF(const char* pszFormat, ...)
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return ret;
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}
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string vstrprintf(const std::string &format, va_list ap)
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string vstrprintf(const char *format, va_list ap)
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{
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char buffer[50000];
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char* p = buffer;
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@ -284,7 +284,11 @@ string vstrprintf(const std::string &format, va_list ap)
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{
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va_list arg_ptr;
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va_copy(arg_ptr, ap);
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ret = _vsnprintf(p, limit, format.c_str(), arg_ptr);
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#ifdef WIN32
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ret = _vsnprintf(p, limit, format, arg_ptr);
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#else
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ret = vsnprintf(p, limit, format, arg_ptr);
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#endif
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va_end(arg_ptr);
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if (ret >= 0 && ret < limit)
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break;
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@ -301,7 +305,7 @@ string vstrprintf(const std::string &format, va_list ap)
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return str;
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}
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string real_strprintf(const std::string &format, int dummy, ...)
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string real_strprintf(const char *format, int dummy, ...)
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{
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va_list arg_ptr;
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va_start(arg_ptr, dummy);
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@ -310,6 +314,15 @@ string real_strprintf(const std::string &format, int dummy, ...)
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return str;
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}
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string real_strprintf(const std::string &format, int dummy, ...)
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{
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va_list arg_ptr;
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va_start(arg_ptr, dummy);
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string str = vstrprintf(format.c_str(), arg_ptr);
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va_end(arg_ptr);
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return str;
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}
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bool error(const char *format, ...)
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{
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va_list arg_ptr;
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@ -411,7 +424,7 @@ bool ParseMoney(const char* pszIn, int64& nRet)
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}
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static signed char phexdigit[256] =
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static const signed char phexdigit[256] =
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{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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60
src/util.h
60
src/util.h
@ -41,7 +41,6 @@ static const int64 CENT = 1000000;
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#define UBEGIN(a) ((unsigned char*)&(a))
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#define UEND(a) ((unsigned char*)&((&(a))[1]))
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#define ARRAYLEN(array) (sizeof(array)/sizeof((array)[0]))
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#define printf OutputDebugStringF
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#ifndef PRI64d
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#if defined(_MSC_VER) || defined(__MSVCRT__)
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@ -55,6 +54,17 @@ static const int64 CENT = 1000000;
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#endif
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#endif
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/* Format characters for (s)size_t and ptrdiff_t */
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#if defined(_MSC_VER) || defined(__MSVCRT__)
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#define PRIszx "%Ix"
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#define PRIszu "%Iu"
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#define PRIszd "%Id"
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#else
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#define PRIszx "%zx"
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#define PRIszu "%zu"
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#define PRIszd "%zd"
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#endif
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// This is needed because the foreach macro can't get over the comma in pair<t1, t2>
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#define PAIRTYPE(t1, t2) std::pair<t1, t2>
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@ -80,11 +90,7 @@ T* alignup(T* p)
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#define S_IRUSR 0400
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#define S_IWUSR 0200
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#endif
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#define unlink _unlink
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#else
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#define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d)
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#define strlwr(psz) to_lower(psz)
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#define _strlwr(psz) to_lower(psz)
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#define MAX_PATH 1024
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inline void Sleep(int64 n)
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{
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@ -94,6 +100,15 @@ inline void Sleep(int64 n)
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}
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#endif
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/* This GNU C extension enables the compiler to check the format string against the parameters provided.
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* X is the number of the "format string" parameter, and Y is the number of the first variadic parameter.
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* Parameters count from 1.
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*/
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#ifdef __GNUC__
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#define ATTR_WARN_PRINTF(X,Y) __attribute__((format(printf,X,Y)))
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#else
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#define ATTR_WARN_PRINTF(X,Y)
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#endif
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@ -121,16 +136,31 @@ extern bool fReopenDebugLog;
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void RandAddSeed();
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void RandAddSeedPerfmon();
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int OutputDebugStringF(const char* pszFormat, ...);
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int my_snprintf(char* buffer, size_t limit, const char* format, ...);
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int ATTR_WARN_PRINTF(1,2) OutputDebugStringF(const char* pszFormat, ...);
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/* It is not allowed to use va_start with a pass-by-reference argument.
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(C++ standard, 18.7, paragraph 3). Use a dummy argument to work around this, and use a
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macro to keep similar semantics.
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/*
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Rationale for the real_strprintf / strprintf construction:
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It is not allowed to use va_start with a pass-by-reference argument.
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(C++ standard, 18.7, paragraph 3). Use a dummy argument to work around this, and use a
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macro to keep similar semantics.
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*/
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/** Overload strprintf for char*, so that GCC format type warnings can be given */
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std::string ATTR_WARN_PRINTF(1,3) real_strprintf(const char *format, int dummy, ...);
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/** Overload strprintf for std::string, to be able to use it with _ (translation).
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* This will not support GCC format type warnings (-Wformat) so be careful.
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*/
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std::string real_strprintf(const std::string &format, int dummy, ...);
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#define strprintf(format, ...) real_strprintf(format, 0, __VA_ARGS__)
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std::string vstrprintf(const std::string &format, va_list ap);
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std::string vstrprintf(const char *format, va_list ap);
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/* Redefine printf so that it directs output to debug.log
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*
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* Do this *after* defining the other printf-like functions, because otherwise the
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* __attribute__((format(printf,X,Y))) gets expanded to __attribute__((format(OutputDebugStringF,X,Y)))
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* which confuses gcc.
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*/
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#define printf OutputDebugStringF
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bool error(const char *format, ...);
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void LogException(std::exception* pex, const char* pszThread);
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@ -237,9 +267,9 @@ inline int64 abs64(int64 n)
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template<typename T>
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std::string HexStr(const T itbegin, const T itend, bool fSpaces=false)
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{
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std::vector<char> rv;
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static char hexmap[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
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std::string rv;
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static const char hexmap[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
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rv.reserve((itend-itbegin)*3);
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for(T it = itbegin; it < itend; ++it)
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{
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@ -250,7 +280,7 @@ std::string HexStr(const T itbegin, const T itend, bool fSpaces=false)
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rv.push_back(hexmap[val&15]);
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}
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return std::string(rv.begin(), rv.end());
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return rv;
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}
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inline std::string HexStr(const std::vector<unsigned char>& vch, bool fSpaces=false)
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