* Separate strings. * * @param stringp reference of the string to separate. * @param delim string containing all delimiters. * @return Token string. */
| 287 | * @return Token string. |
| 288 | */ |
| 289 | char *strsep(char **stringp, const char *delim) |
| 290 | { |
| 291 | char *walk, *token; |
| 292 | |
| 293 | if (!stringp || !*stringp) |
| 294 | return NULL; |
| 295 | |
| 296 | token = walk = *stringp; |
| 297 | |
| 298 | /* Walk, search for delimiters */ |
| 299 | while (*walk && !strchr(delim, *walk)) |
| 300 | walk++; |
| 301 | |
| 302 | if (*walk) { |
| 303 | /* NUL terminate */ |
| 304 | *walk = '\0'; |
| 305 | *stringp = walk + 1; |
| 306 | } else { |
| 307 | /* Set to NULL after last token. */ |
| 308 | *stringp = NULL; |
| 309 | } |
| 310 | |
| 311 | return token; |
| 312 | } |
| 313 | |
| 314 | /* Check that a character is in the valid range for the |
| 315 | given base |