1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
58 		*uidp = pwd->pw_uid;  in parse_user()
69 	if ((size_t)(end - s) != strlen(s)) {  in parse_user()
71 		    "after numerical id", unexpanded_rule);  in parse_user()
86 		*gidp = grp->gr_gid;  in parse_group()
97 	if ((size_t)(end - s) != strlen(s)) {  in parse_group()
99 		    "after numerical id", unexpanded_rule);  in parse_group()
107  * Replace human-readable number with its expanded form.
113 	const char *subject, *subject_id, *resource, *action, *amount, *per;  in expand_amount()  local
125 	resource = strsep(&copy, ":");  in expand_amount()
145 	assert(resource != NULL);  in expand_amount()
157 		    subject, subject_id, resource, action, (uintmax_t)num);  in expand_amount()
160 		    subject, subject_id, resource, action, (uintmax_t)num, per);  in expand_amount()
177 	id_t id;  in expand_rule()  local
214 		error = parse_user(textid, &id, rule);  in expand_rule()
219 		ret = asprintf(&resolved, "%s:%d:%s", subject, (int)id, rest);  in expand_rule()
222 		error = parse_group(textid, &id, rule);  in expand_rule()
227 		ret = asprintf(&resolved, "%s:%d:%s", subject, (int)id, rest);  in expand_rule()
249 	id_t id;  in humanize_ids()  local
267 		id = strtod(textid, &end);  in humanize_ids()
268 		if ((size_t)(end - textid) != strlen(textid))  in humanize_ids()
270 		pwd = getpwuid(id);  in humanize_ids()
272 			textid = pwd->pw_name;  in humanize_ids()
274 		id = strtod(textid, &end);  in humanize_ids()
275 		if ((size_t)(end - textid) != strlen(textid))  in humanize_ids()
277 		grp = getgrgid(id);  in humanize_ids()
279 			textid = grp->gr_name;  in humanize_ids()
298 	if ((size_t)(end - str) != strlen(str))  in str2int64()
308 	const char *subject, *subject_id, *resource, *action, *amount, *per;  in humanize_amount()  local
318 	resource = strsep(&copy, ":");  in humanize_amount()
331 	assert(resource != NULL);  in humanize_amount()
335 	    HN_DECIMAL | HN_NOSPACE) == -1)  in humanize_amount()
340 		    subject, subject_id, resource, action, buf);  in humanize_amount()
343 		    subject, subject_id, resource, action, buf, per);  in humanize_amount()
461 	const char *resource, *amount;  in humanize_usage_amount()  local
469 	resource = strsep(&copy, "=");  in humanize_usage_amount()
472 	assert(resource != NULL);  in humanize_usage_amount()
477 	    HN_DECIMAL | HN_NOSPACE) == -1) {  in humanize_usage_amount()
482 	ret = asprintf(&humanized, "%s=%s", resource, buf);  in humanize_usage_amount()
491  * Query the kernel about a resource usage and print it out.
513 		warn("failed to show resource consumption for '%s'",  in show_usage()
537  * Query the kernel about resource limit rules and print them out.
580 	fprintf(stderr, "usage: rctl [ -h ] [-a rule | -l filter | -r filter "  in usage()
581 	    "| -u filter | filter]\n");  in usage()
593 	while ((ch = getopt(argc, argv, "ahlnru")) != -1) {  in main()
620 	argc -= optind;  in main()
624 		errx(1, "at most one of -a, -l, -r, or -u may be specified");  in main()
643 		 * Skip resolving if passed -n _and_ -a.  Ignore -n otherwise,  in main()
644 		 * so we can still do "rctl -n u:root" and see the rules without  in main()