148 escape_quotes(const char* str)  in escape_quotes()  argument
151     while (*str) {  in escape_quotes()
152         if (*str == '"') {  in escape_quotes()
156             result += *str;  in escape_quotes()
163 escape_for_commandline(const char* str)  in escape_for_commandline()  argument
165     if (strchr(str, '"') != NULL || strchr(str, ' ') != NULL  in escape_for_commandline()
166             || strchr(str, '\t') != NULL) {  in escape_for_commandline()
167         return escape_quotes(str);  in escape_for_commandline()
169         return str;  in escape_for_commandline()
180 trim(const string& str)  in trim()  argument
182     const ssize_t N = (ssize_t)str.size();  in trim()
184     while (begin < N && spacechr(str[begin])) {  in trim()
188     while (end >= begin && spacechr(str[end])) {  in trim()
191     return string(str, begin, end-begin+1);  in trim()
195 starts_with(const string& str, const string& prefix)  in starts_with()  argument
197     return str.compare(0, prefix.length(), prefix) == 0;  in starts_with()
201 ends_with(const string& str, const string& suffix)  in ends_with()  argument
203     if (str.length() < suffix.length()) {  in ends_with()
206         return str.compare(str.length()-suffix.length(), suffix.length(), suffix) == 0;  in ends_with()
211 split_lines(vector<string>* result, const string& str)  in split_lines()  argument
213     const int N = str.length();  in split_lines()
217         const char c = str[end];  in split_lines()
220                 result->push_back(string(str, begin, end-begin));  in split_lines()
226         result->push_back(string(str, begin, end-begin));  in split_lines()