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-rw-r--r--support/lib/Support/CommandLine.cpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/support/lib/Support/CommandLine.cpp b/support/lib/Support/CommandLine.cpp
index a0eca7a8ed..bbf996af7b 100644
--- a/support/lib/Support/CommandLine.cpp
+++ b/support/lib/Support/CommandLine.cpp
@@ -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) {