#define STATE_2ND_HALF 2
/* Parse a chmod-style argument, and break it down into one or more AND/OR
- * pairs in a linked list. We use a state machine to walk through the
- * options. */
-int parse_chmod(const char *modestr, struct chmod_mode_struct **root_mode_ptr)
+ * pairs in a linked list. We return a pointer to new items on succcess
+ * (appending the items to the specified list), or NULL on error. */
+struct chmod_mode_struct *parse_chmod(const char *modestr,
+ struct chmod_mode_struct **root_mode_ptr)
{
int state = STATE_1ST_HALF;
int where = 0, what = 0, op = 0, topbits = 0, topoct = 0, flags = 0;
if (state == STATE_ERROR) {
free_chmod_mode(first_mode);
- return 0;
+ return NULL;
}
if (!(curr_mode = *root_mode_ptr))
curr_mode->next = first_mode;
}
- return 1;
+ return first_mode;
}