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ParseMoney: allow full precision

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This commit is contained in:
Gavin Andresen 2011-02-23 16:26:15 -05:00
parent 87504abb07
commit b0ad55a08a
1 changed files with 8 additions and 12 deletions
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20
util.cpp
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@ -343,7 +343,7 @@ bool ParseMoney(const string& str, int64& nRet)
bool ParseMoney(const char* pszIn, int64& nRet) bool ParseMoney(const char* pszIn, int64& nRet)
{ {
string strWhole; string strWhole;
int64 nCents = 0; int64 nUnits = 0;
const char* p = pszIn; const char* p = pszIn;
while (isspace(*p)) while (isspace(*p))
p++; p++;
@ -354,11 +354,11 @@ bool ParseMoney(const char* pszIn, int64& nRet)
if (*p == '.') if (*p == '.')
{ {
p++; p++;
if (isdigit(*p)) int64 nMult = CENT*10;
while (isdigit(*p) && (nMult > 0))
{ {
nCents = 10 * (*p++ - '0'); nUnits += nMult * (*p++ - '0');
if (isdigit(*p)) nMult /= 10;
nCents += (*p++ - '0');
} }
break; break;
} }
@ -373,15 +373,11 @@ bool ParseMoney(const char* pszIn, int64& nRet)
return false; return false;
if (strWhole.size() > 14) if (strWhole.size() > 14)
return false; return false;
if (nCents < 0 || nCents > 99) if (nUnits < 0 || nUnits > COIN)
return false; return false;
int64 nWhole = atoi64(strWhole); int64 nWhole = atoi64(strWhole);
int64 nPreValue = nWhole * 100 + nCents; int64 nValue = nWhole*COIN + nUnits;
int64 nValue = nPreValue * CENT;
if (nValue / CENT != nPreValue)
return false;
if (nValue / COIN != nWhole)
return false;
nRet = nValue; nRet = nValue;
return true; return true;
} }