-static ssize_t unescape_str(const string& s, ssize_t ofs, char esc_char, char special_char, string *dest)
-{
- const char *src = s.c_str();
- char dest_buf[s.size() + 1];
- char *destp = dest_buf;
- bool esc = false;
-
- dest_buf[0] = '\0';
-
- for (size_t i = ofs; i < s.size(); i++) {
- char c = src[i];
- if (!esc && c == esc_char) {
- esc = true;
- continue;
- }
- if (!esc && c == special_char) {
- *destp = '\0';
- *dest = dest_buf;
- return (ssize_t)i + 1;
- }
- *destp++ = c;
- esc = false;
- }
- *destp = '\0';
- *dest = dest_buf;
- return string::npos;
-}
-
-static void escape_str(const string& s, char esc_char, char special_char, string *dest)
-{
- const char *src = s.c_str();
- char dest_buf[s.size() * 2 + 1];
- char *destp = dest_buf;
-
- for (size_t i = 0; i < s.size(); i++) {
- char c = src[i];
- if (c == esc_char || c == special_char) {
- *destp++ = esc_char;
- }
- *destp++ = c;
- }
- *destp++ = '\0';
- *dest = dest_buf;
-}
-