Don’t ref past end of string

fixes #830
This commit is contained in:
Phil Nash 2017-03-13 10:22:02 +00:00
parent 4101ff314a
commit db9866677e

View File

@ -554,12 +554,13 @@ namespace Clara {
}
void parseIntoTokens( std::string const& arg, std::vector<Token>& tokens ) {
for( std::size_t i = 0; i <= arg.size(); ++i ) {
for( std::size_t i = 0; i < arg.size(); ++i ) {
char c = arg[i];
if( c == '"' )
inQuotes = !inQuotes;
mode = handleMode( i, c, arg, tokens );
}
mode = handleMode( arg.size(), '\0', arg, tokens );
}
Mode handleMode( std::size_t i, char c, std::string const& arg, std::vector<Token>& tokens ) {
switch( mode ) {
@ -592,6 +593,7 @@ namespace Clara {
default: from = i; return ShortOpt;
}
}
Mode handleOpt( std::size_t i, char c, std::string const& arg, std::vector<Token>& tokens ) {
if( std::string( ":=\0", 3 ).find( c ) == std::string::npos )
return mode;