* Helper function to match a single command. */
| 268 | * Helper function to match a single command. |
| 269 | */ |
| 270 | static void |
| 271 | db_cmd_match(char *name, struct command *cmd, struct command **cmdp, |
| 272 | int *resultp) |
| 273 | { |
| 274 | char *lp, *rp; |
| 275 | int c; |
| 276 | |
| 277 | lp = name; |
| 278 | rp = cmd->name; |
| 279 | while ((c = *lp) == *rp) { |
| 280 | if (c == 0) { |
| 281 | /* complete match */ |
| 282 | *cmdp = cmd; |
| 283 | *resultp = CMD_UNIQUE; |
| 284 | return; |
| 285 | } |
| 286 | lp++; |
| 287 | rp++; |
| 288 | } |
| 289 | if (c == 0) { |
| 290 | /* end of name, not end of command - |
| 291 | partial match */ |
| 292 | if (*resultp == CMD_FOUND) { |
| 293 | *resultp = CMD_AMBIGUOUS; |
| 294 | /* but keep looking for a full match - |
| 295 | this lets us match single letters */ |
| 296 | } else { |
| 297 | *cmdp = cmd; |
| 298 | *resultp = CMD_FOUND; |
| 299 | } |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | /* |
| 304 | * Search for command prefix. |