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Add support for 'unsigned' command line arguments

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6928 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-06-28 15:47:20 +00:00
parent 3a56364f00
commit d2a6fc397e
4 changed files with 56 additions and 4 deletions
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15
support/lib/Support/CommandLine.cpp
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@ -575,14 +575,25 @@ bool parser<bool>::parse(Option &O, const char *ArgName,
//
bool parser<int>::parse(Option &O, const char *ArgName,
const std::string &Arg, int &Value) {
const char *ArgStart = Arg.c_str();
char *End;
Value = (int)strtol(ArgStart, &End, 0);
Value = (int)strtol(Arg.c_str(), &End, 0);
if (*End != 0)
return O.error(": '" + Arg + "' value invalid for integer argument!");
return false;
}
// parser<unsigned> implementation
//
bool parser<unsigned>::parse(Option &O, const char *ArgName,
const std::string &Arg, unsigned &Value) {
char *End;
long long int V = strtoll(Arg.c_str(), &End, 0);
Value = (unsigned)V;
if (*End != 0 || V < 0 || Value != V)
return O.error(": '" + Arg + "' value invalid for uint argument!");
return false;
}
// parser<double>/parser<float> implementation
//
static bool parseDouble(Option &O, const std::string &Arg, double &Value) {