- while (arg <= argc) {
- idx = 0;
- while ((idx = hstrstr_r(argv[arg], idx, &match, &env_htab))) {
- if (!(matched[idx / 8] & (1 << (idx & 7)))) {
- puts(match->key);
- puts("=");
- puts(match->data);
- puts("\n");
+ while (argc > 1 && **(argv + 1) == '-') {
+ char *arg = *++argv;
+
+ --argc;
+ while (*++arg) {
+ switch (*arg) {
+#ifdef CONFIG_REGEX
+ case 'e': /* use regex matching */
+ grep_how = H_MATCH_REGEX;
+ break;
+#endif
+ case 'n': /* grep for name */
+ grep_what = H_MATCH_KEY;
+ break;
+ case 'v': /* grep for value */
+ grep_what = H_MATCH_DATA;
+ break;
+ case 'b': /* grep for both */
+ grep_what = H_MATCH_BOTH;
+ break;
+ case '-':
+ goto DONE;
+ default:
+ return CMD_RET_USAGE;