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Corrected a potential invalid memory access

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This commit is contained in:
John Wiegley 2009-02-28 04:36:48 -04:00
parent 56693fab9b
commit fb129fa7a1
1 changed files with 7 additions and 4 deletions
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11
src/amount.cc
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@ -675,10 +675,13 @@ bool amount_t::is_zero() const
std::ostringstream out; std::ostringstream out;
stream_out_mpq(out, MP(quantity), commodity().precision()); stream_out_mpq(out, MP(quantity), commodity().precision());
for (const char * p = out.str().c_str(); *p; p++) string output = out.str();
if (*p != '0' && *p != '.' && *p != '-') if (! output.empty()) {
return false; for (const char * p = output.c_str(); *p; p++)
if (*p != '0' && *p != '.' && *p != '-')
return false;
}
return true; return true;
} }
} }