| 143 | // postcondition: *ptr != '\\' |
| 144 | template <typename T> |
| 145 | static int next_dir(T*& ptr) { |
| 146 | int has_blank = 0; |
| 147 | int has_dot = 0; |
| 148 | int has_letter = 0; |
| 149 | int has_ctrl = 0; |
| 150 | |
| 151 | while (*ptr && *ptr != '\\') { |
| 152 | int c = (unsigned char)*ptr++; |
| 153 | switch (c) { |
| 154 | case ' ': |
| 155 | ++has_blank; |
| 156 | break; |
| 157 | case '.': |
| 158 | ++has_dot; |
| 159 | break; |
| 160 | case '/': |
| 161 | case ':': |
| 162 | case '*': |
| 163 | case '?': |
| 164 | case '"': |
| 165 | case '<': |
| 166 | case '>': |
| 167 | case '|': |
| 168 | ++has_ctrl; |
| 169 | break; |
| 170 | default: |
| 171 | if (c == 127 || c < ' ') { |
| 172 | ++has_ctrl; |
| 173 | } else { |
| 174 | ++has_letter; |
| 175 | } |
| 176 | } |
| 177 | } |
| 178 | if (*ptr) { |
| 179 | ++ptr; |
| 180 | } |
| 181 | if (has_ctrl) { |
| 182 | return dt_error; |
| 183 | } |
| 184 | if (has_letter) { |
| 185 | return dt_dir; |
| 186 | } |
| 187 | if (has_dot && has_blank) { |
| 188 | return dt_error; |
| 189 | } |
| 190 | if (has_dot == 1) { |
| 191 | return dt_empty; |
| 192 | } |
| 193 | if (has_dot == 2) { |
| 194 | return dt_up; |
| 195 | } |
| 196 | return dt_error; |
| 197 | } |
| 198 | |
| 199 | using disk_type = enum { |
| 200 | dk_noflags = 0, |
no outgoing calls
no test coverage detected