xref: /linux/lib/test-kstrtox.c (revision 861e10be08c69808065d755d3e3cab5d520a2d32)
1 #include <linux/init.h>
2 #include <linux/kernel.h>
3 #include <linux/module.h>
4 
5 #define for_each_test(i, test)	\
6 	for (i = 0; i < sizeof(test) / sizeof(test[0]); i++)
7 
8 struct test_fail {
9 	const char *str;
10 	unsigned int base;
11 };
12 
13 #define DEFINE_TEST_FAIL(test)	\
14 	const struct test_fail test[] __initconst
15 
16 #define DECLARE_TEST_OK(type, test_type)	\
17 	test_type {				\
18 		const char *str;		\
19 		unsigned int base;		\
20 		type expected_res;		\
21 	}
22 
23 #define DEFINE_TEST_OK(type, test)	\
24 	const type test[] __initconst
25 
26 #define TEST_FAIL(fn, type, fmt, test)					\
27 {									\
28 	unsigned int i;							\
29 									\
30 	for_each_test(i, test) {					\
31 		const struct test_fail *t = &test[i];			\
32 		type tmp;						\
33 		int rv;							\
34 									\
35 		tmp = 0;						\
36 		rv = fn(t->str, t->base, &tmp);				\
37 		if (rv >= 0) {						\
38 			WARN(1, "str '%s', base %u, expected -E, got %d/" fmt "\n",	\
39 				t->str, t->base, rv, tmp);		\
40 			continue;					\
41 		}							\
42 	}								\
43 }
44 
45 #define TEST_OK(fn, type, fmt, test)					\
46 {									\
47 	unsigned int i;							\
48 									\
49 	for_each_test(i, test) {					\
50 		const typeof(test[0]) *t = &test[i];			\
51 		type res;						\
52 		int rv;							\
53 									\
54 		rv = fn(t->str, t->base, &res);				\
55 		if (rv != 0) {						\
56 			WARN(1, "str '%s', base %u, expected 0/" fmt ", got %d\n",	\
57 				t->str, t->base, t->expected_res, rv);	\
58 			continue;					\
59 		}							\
60 		if (res != t->expected_res) {				\
61 			WARN(1, "str '%s', base %u, expected " fmt ", got " fmt "\n",	\
62 				t->str, t->base, t->expected_res, res);	\
63 			continue;					\
64 		}							\
65 	}								\
66 }
67 
68 static void __init test_kstrtoull_ok(void)
69 {
70 	DECLARE_TEST_OK(unsigned long long, struct test_ull);
71 	static DEFINE_TEST_OK(struct test_ull, test_ull_ok) = {
72 		{"0",	10,	0ULL},
73 		{"1",	10,	1ULL},
74 		{"127",	10,	127ULL},
75 		{"128",	10,	128ULL},
76 		{"129",	10,	129ULL},
77 		{"255",	10,	255ULL},
78 		{"256",	10,	256ULL},
79 		{"257",	10,	257ULL},
80 		{"32767",	10,	32767ULL},
81 		{"32768",	10,	32768ULL},
82 		{"32769",	10,	32769ULL},
83 		{"65535",	10,	65535ULL},
84 		{"65536",	10,	65536ULL},
85 		{"65537",	10,	65537ULL},
86 		{"2147483647",	10,	2147483647ULL},
87 		{"2147483648",	10,	2147483648ULL},
88 		{"2147483649",	10,	2147483649ULL},
89 		{"4294967295",	10,	4294967295ULL},
90 		{"4294967296",	10,	4294967296ULL},
91 		{"4294967297",	10,	4294967297ULL},
92 		{"9223372036854775807",	10,	9223372036854775807ULL},
93 		{"9223372036854775808",	10,	9223372036854775808ULL},
94 		{"9223372036854775809",	10,	9223372036854775809ULL},
95 		{"18446744073709551614",	10,	18446744073709551614ULL},
96 		{"18446744073709551615",	10,	18446744073709551615ULL},
97 
98 		{"00",		8,	00ULL},
99 		{"01",		8,	01ULL},
100 		{"0177",	8,	0177ULL},
101 		{"0200",	8,	0200ULL},
102 		{"0201",	8,	0201ULL},
103 		{"0377",	8,	0377ULL},
104 		{"0400",	8,	0400ULL},
105 		{"0401",	8,	0401ULL},
106 		{"077777",	8,	077777ULL},
107 		{"0100000",	8,	0100000ULL},
108 		{"0100001",	8,	0100001ULL},
109 		{"0177777",	8,	0177777ULL},
110 		{"0200000",	8,	0200000ULL},
111 		{"0200001",	8,	0200001ULL},
112 		{"017777777777",	8,	017777777777ULL},
113 		{"020000000000",	8,	020000000000ULL},
114 		{"020000000001",	8,	020000000001ULL},
115 		{"037777777777",	8,	037777777777ULL},
116 		{"040000000000",	8,	040000000000ULL},
117 		{"040000000001",	8,	040000000001ULL},
118 		{"0777777777777777777777",	8,	0777777777777777777777ULL},
119 		{"01000000000000000000000",	8,	01000000000000000000000ULL},
120 		{"01000000000000000000001",	8,	01000000000000000000001ULL},
121 		{"01777777777777777777776",	8,	01777777777777777777776ULL},
122 		{"01777777777777777777777",	8,	01777777777777777777777ULL},
123 
124 		{"0x0",		16,	0x0ULL},
125 		{"0x1",		16,	0x1ULL},
126 		{"0x7f",	16,	0x7fULL},
127 		{"0x80",	16,	0x80ULL},
128 		{"0x81",	16,	0x81ULL},
129 		{"0xff",	16,	0xffULL},
130 		{"0x100",	16,	0x100ULL},
131 		{"0x101",	16,	0x101ULL},
132 		{"0x7fff",	16,	0x7fffULL},
133 		{"0x8000",	16,	0x8000ULL},
134 		{"0x8001",	16,	0x8001ULL},
135 		{"0xffff",	16,	0xffffULL},
136 		{"0x10000",	16,	0x10000ULL},
137 		{"0x10001",	16,	0x10001ULL},
138 		{"0x7fffffff",	16,	0x7fffffffULL},
139 		{"0x80000000",	16,	0x80000000ULL},
140 		{"0x80000001",	16,	0x80000001ULL},
141 		{"0xffffffff",	16,	0xffffffffULL},
142 		{"0x100000000",	16,	0x100000000ULL},
143 		{"0x100000001",	16,	0x100000001ULL},
144 		{"0x7fffffffffffffff",	16,	0x7fffffffffffffffULL},
145 		{"0x8000000000000000",	16,	0x8000000000000000ULL},
146 		{"0x8000000000000001",	16,	0x8000000000000001ULL},
147 		{"0xfffffffffffffffe",	16,	0xfffffffffffffffeULL},
148 		{"0xffffffffffffffff",	16,	0xffffffffffffffffULL},
149 
150 		{"0\n",	0,	0ULL},
151 	};
152 	TEST_OK(kstrtoull, unsigned long long, "%llu", test_ull_ok);
153 }
154 
155 static void __init test_kstrtoull_fail(void)
156 {
157 	static DEFINE_TEST_FAIL(test_ull_fail) = {
158 		{"",	0},
159 		{"",	8},
160 		{"",	10},
161 		{"",	16},
162 		{"\n",	0},
163 		{"\n",	8},
164 		{"\n",	10},
165 		{"\n",	16},
166 		{"\n0",	0},
167 		{"\n0",	8},
168 		{"\n0",	10},
169 		{"\n0",	16},
170 		{"+",	0},
171 		{"+",	8},
172 		{"+",	10},
173 		{"+",	16},
174 		{"-",	0},
175 		{"-",	8},
176 		{"-",	10},
177 		{"-",	16},
178 		{"0x",	0},
179 		{"0x",	16},
180 		{"0X",	0},
181 		{"0X",	16},
182 		{"0 ",	0},
183 		{"1+",	0},
184 		{"1-",	0},
185 		{" 2",	0},
186 		/* base autodetection */
187 		{"0x0z",	0},
188 		{"0z",		0},
189 		{"a",		0},
190 		/* digit >= base */
191 		{"2",	2},
192 		{"8",	8},
193 		{"a",	10},
194 		{"A",	10},
195 		{"g",	16},
196 		{"G",	16},
197 		/* overflow */
198 		{"10000000000000000000000000000000000000000000000000000000000000000",	2},
199 		{"2000000000000000000000",	8},
200 		{"18446744073709551616",	10},
201 		{"10000000000000000",	16},
202 		/* negative */
203 		{"-0", 0},
204 		{"-0", 8},
205 		{"-0", 10},
206 		{"-0", 16},
207 		{"-1", 0},
208 		{"-1", 8},
209 		{"-1", 10},
210 		{"-1", 16},
211 		/* sign is first character if any */
212 		{"-+1", 0},
213 		{"-+1", 8},
214 		{"-+1", 10},
215 		{"-+1", 16},
216 		/* nothing after \n */
217 		{"0\n0", 0},
218 		{"0\n0", 8},
219 		{"0\n0", 10},
220 		{"0\n0", 16},
221 		{"0\n+", 0},
222 		{"0\n+", 8},
223 		{"0\n+", 10},
224 		{"0\n+", 16},
225 		{"0\n-", 0},
226 		{"0\n-", 8},
227 		{"0\n-", 10},
228 		{"0\n-", 16},
229 		{"0\n ", 0},
230 		{"0\n ", 8},
231 		{"0\n ", 10},
232 		{"0\n ", 16},
233 	};
234 	TEST_FAIL(kstrtoull, unsigned long long, "%llu", test_ull_fail);
235 }
236 
237 static void __init test_kstrtoll_ok(void)
238 {
239 	DECLARE_TEST_OK(long long, struct test_ll);
240 	static DEFINE_TEST_OK(struct test_ll, test_ll_ok) = {
241 		{"0",	10,	0LL},
242 		{"1",	10,	1LL},
243 		{"127",	10,	127LL},
244 		{"128",	10,	128LL},
245 		{"129",	10,	129LL},
246 		{"255",	10,	255LL},
247 		{"256",	10,	256LL},
248 		{"257",	10,	257LL},
249 		{"32767",	10,	32767LL},
250 		{"32768",	10,	32768LL},
251 		{"32769",	10,	32769LL},
252 		{"65535",	10,	65535LL},
253 		{"65536",	10,	65536LL},
254 		{"65537",	10,	65537LL},
255 		{"2147483647",	10,	2147483647LL},
256 		{"2147483648",	10,	2147483648LL},
257 		{"2147483649",	10,	2147483649LL},
258 		{"4294967295",	10,	4294967295LL},
259 		{"4294967296",	10,	4294967296LL},
260 		{"4294967297",	10,	4294967297LL},
261 		{"9223372036854775807",	10,	9223372036854775807LL},
262 
263 		{"-1",	10,	-1LL},
264 		{"-2",	10,	-2LL},
265 		{"-9223372036854775808",	10,	LLONG_MIN},
266 	};
267 	TEST_OK(kstrtoll, long long, "%lld", test_ll_ok);
268 }
269 
270 static void __init test_kstrtoll_fail(void)
271 {
272 	static DEFINE_TEST_FAIL(test_ll_fail) = {
273 		{"9223372036854775808",	10},
274 		{"9223372036854775809",	10},
275 		{"18446744073709551614",	10},
276 		{"18446744073709551615",	10},
277 		{"-9223372036854775809",	10},
278 		{"-18446744073709551614",	10},
279 		{"-18446744073709551615",	10},
280 		/* negative zero isn't an integer in Linux */
281 		{"-0",	0},
282 		{"-0",	8},
283 		{"-0",	10},
284 		{"-0",	16},
285 		/* sign is first character if any */
286 		{"-+1", 0},
287 		{"-+1", 8},
288 		{"-+1", 10},
289 		{"-+1", 16},
290 	};
291 	TEST_FAIL(kstrtoll, long long, "%lld", test_ll_fail);
292 }
293 
294 static void __init test_kstrtou64_ok(void)
295 {
296 	DECLARE_TEST_OK(u64, struct test_u64);
297 	static DEFINE_TEST_OK(struct test_u64, test_u64_ok) = {
298 		{"0",	10,	0},
299 		{"1",	10,	1},
300 		{"126",	10,	126},
301 		{"127",	10,	127},
302 		{"128",	10,	128},
303 		{"129",	10,	129},
304 		{"254",	10,	254},
305 		{"255",	10,	255},
306 		{"256",	10,	256},
307 		{"257",	10,	257},
308 		{"32766",	10,	32766},
309 		{"32767",	10,	32767},
310 		{"32768",	10,	32768},
311 		{"32769",	10,	32769},
312 		{"65534",	10,	65534},
313 		{"65535",	10,	65535},
314 		{"65536",	10,	65536},
315 		{"65537",	10,	65537},
316 		{"2147483646",	10,	2147483646},
317 		{"2147483647",	10,	2147483647},
318 		{"2147483648",	10,	2147483648ULL},
319 		{"2147483649",	10,	2147483649ULL},
320 		{"4294967294",	10,	4294967294ULL},
321 		{"4294967295",	10,	4294967295ULL},
322 		{"4294967296",	10,	4294967296ULL},
323 		{"4294967297",	10,	4294967297ULL},
324 		{"9223372036854775806",	10,	9223372036854775806ULL},
325 		{"9223372036854775807",	10,	9223372036854775807ULL},
326 		{"9223372036854775808",	10,	9223372036854775808ULL},
327 		{"9223372036854775809",	10,	9223372036854775809ULL},
328 		{"18446744073709551614",	10,	18446744073709551614ULL},
329 		{"18446744073709551615",	10,	18446744073709551615ULL},
330 	};
331 	TEST_OK(kstrtou64, u64, "%llu", test_u64_ok);
332 }
333 
334 static void __init test_kstrtou64_fail(void)
335 {
336 	static DEFINE_TEST_FAIL(test_u64_fail) = {
337 		{"-2",	10},
338 		{"-1",	10},
339 		{"18446744073709551616",	10},
340 		{"18446744073709551617",	10},
341 	};
342 	TEST_FAIL(kstrtou64, u64, "%llu", test_u64_fail);
343 }
344 
345 static void __init test_kstrtos64_ok(void)
346 {
347 	DECLARE_TEST_OK(s64, struct test_s64);
348 	static DEFINE_TEST_OK(struct test_s64, test_s64_ok) = {
349 		{"-128",	10,	-128},
350 		{"-127",	10,	-127},
351 		{"-1",	10,	-1},
352 		{"0",	10,	0},
353 		{"1",	10,	1},
354 		{"126",	10,	126},
355 		{"127",	10,	127},
356 		{"128",	10,	128},
357 		{"129",	10,	129},
358 		{"254",	10,	254},
359 		{"255",	10,	255},
360 		{"256",	10,	256},
361 		{"257",	10,	257},
362 		{"32766",	10,	32766},
363 		{"32767",	10,	32767},
364 		{"32768",	10,	32768},
365 		{"32769",	10,	32769},
366 		{"65534",	10,	65534},
367 		{"65535",	10,	65535},
368 		{"65536",	10,	65536},
369 		{"65537",	10,	65537},
370 		{"2147483646",	10,	2147483646},
371 		{"2147483647",	10,	2147483647},
372 		{"2147483648",	10,	2147483648LL},
373 		{"2147483649",	10,	2147483649LL},
374 		{"4294967294",	10,	4294967294LL},
375 		{"4294967295",	10,	4294967295LL},
376 		{"4294967296",	10,	4294967296LL},
377 		{"4294967297",	10,	4294967297LL},
378 		{"9223372036854775806",	10,	9223372036854775806LL},
379 		{"9223372036854775807",	10,	9223372036854775807LL},
380 	};
381 	TEST_OK(kstrtos64, s64, "%lld", test_s64_ok);
382 }
383 
384 static void __init test_kstrtos64_fail(void)
385 {
386 	static DEFINE_TEST_FAIL(test_s64_fail) = {
387 		{"9223372036854775808",	10},
388 		{"9223372036854775809",	10},
389 		{"18446744073709551614",	10},
390 		{"18446744073709551615",	10},
391 		{"18446744073709551616",	10},
392 		{"18446744073709551617",	10},
393 	};
394 	TEST_FAIL(kstrtos64, s64, "%lld", test_s64_fail);
395 }
396 
397 static void __init test_kstrtou32_ok(void)
398 {
399 	DECLARE_TEST_OK(u32, struct test_u32);
400 	static DEFINE_TEST_OK(struct test_u32, test_u32_ok) = {
401 		{"0",	10,	0},
402 		{"1",	10,	1},
403 		{"126",	10,	126},
404 		{"127",	10,	127},
405 		{"128",	10,	128},
406 		{"129",	10,	129},
407 		{"254",	10,	254},
408 		{"255",	10,	255},
409 		{"256",	10,	256},
410 		{"257",	10,	257},
411 		{"32766",	10,	32766},
412 		{"32767",	10,	32767},
413 		{"32768",	10,	32768},
414 		{"32769",	10,	32769},
415 		{"65534",	10,	65534},
416 		{"65535",	10,	65535},
417 		{"65536",	10,	65536},
418 		{"65537",	10,	65537},
419 		{"2147483646",	10,	2147483646},
420 		{"2147483647",	10,	2147483647},
421 		{"2147483648",	10,	2147483648U},
422 		{"2147483649",	10,	2147483649U},
423 		{"4294967294",	10,	4294967294U},
424 		{"4294967295",	10,	4294967295U},
425 	};
426 	TEST_OK(kstrtou32, u32, "%u", test_u32_ok);
427 }
428 
429 static void __init test_kstrtou32_fail(void)
430 {
431 	static DEFINE_TEST_FAIL(test_u32_fail) = {
432 		{"-2",	10},
433 		{"-1",	10},
434 		{"4294967296",	10},
435 		{"4294967297",	10},
436 		{"9223372036854775806",	10},
437 		{"9223372036854775807",	10},
438 		{"9223372036854775808",	10},
439 		{"9223372036854775809",	10},
440 		{"18446744073709551614",	10},
441 		{"18446744073709551615",	10},
442 		{"18446744073709551616",	10},
443 		{"18446744073709551617",	10},
444 	};
445 	TEST_FAIL(kstrtou32, u32, "%u", test_u32_fail);
446 }
447 
448 static void __init test_kstrtos32_ok(void)
449 {
450 	DECLARE_TEST_OK(s32, struct test_s32);
451 	static DEFINE_TEST_OK(struct test_s32, test_s32_ok) = {
452 		{"-128",	10,	-128},
453 		{"-127",	10,	-127},
454 		{"-1",	10,	-1},
455 		{"0",	10,	0},
456 		{"1",	10,	1},
457 		{"126",	10,	126},
458 		{"127",	10,	127},
459 		{"128",	10,	128},
460 		{"129",	10,	129},
461 		{"254",	10,	254},
462 		{"255",	10,	255},
463 		{"256",	10,	256},
464 		{"257",	10,	257},
465 		{"32766",	10,	32766},
466 		{"32767",	10,	32767},
467 		{"32768",	10,	32768},
468 		{"32769",	10,	32769},
469 		{"65534",	10,	65534},
470 		{"65535",	10,	65535},
471 		{"65536",	10,	65536},
472 		{"65537",	10,	65537},
473 		{"2147483646",	10,	2147483646},
474 		{"2147483647",	10,	2147483647},
475 	};
476 	TEST_OK(kstrtos32, s32, "%d", test_s32_ok);
477 }
478 
479 static void __init test_kstrtos32_fail(void)
480 {
481 	static DEFINE_TEST_FAIL(test_s32_fail) = {
482 		{"2147483648",	10},
483 		{"2147483649",	10},
484 		{"4294967294",	10},
485 		{"4294967295",	10},
486 		{"4294967296",	10},
487 		{"4294967297",	10},
488 		{"9223372036854775806",	10},
489 		{"9223372036854775807",	10},
490 		{"9223372036854775808",	10},
491 		{"9223372036854775809",	10},
492 		{"18446744073709551614",	10},
493 		{"18446744073709551615",	10},
494 		{"18446744073709551616",	10},
495 		{"18446744073709551617",	10},
496 	};
497 	TEST_FAIL(kstrtos32, s32, "%d", test_s32_fail);
498 }
499 
500 static void __init test_kstrtou16_ok(void)
501 {
502 	DECLARE_TEST_OK(u16, struct test_u16);
503 	static DEFINE_TEST_OK(struct test_u16, test_u16_ok) = {
504 		{"0",	10,	0},
505 		{"1",	10,	1},
506 		{"126",	10,	126},
507 		{"127",	10,	127},
508 		{"128",	10,	128},
509 		{"129",	10,	129},
510 		{"254",	10,	254},
511 		{"255",	10,	255},
512 		{"256",	10,	256},
513 		{"257",	10,	257},
514 		{"32766",	10,	32766},
515 		{"32767",	10,	32767},
516 		{"32768",	10,	32768},
517 		{"32769",	10,	32769},
518 		{"65534",	10,	65534},
519 		{"65535",	10,	65535},
520 	};
521 	TEST_OK(kstrtou16, u16, "%hu", test_u16_ok);
522 }
523 
524 static void __init test_kstrtou16_fail(void)
525 {
526 	static DEFINE_TEST_FAIL(test_u16_fail) = {
527 		{"-2",	10},
528 		{"-1",	10},
529 		{"65536",	10},
530 		{"65537",	10},
531 		{"2147483646",	10},
532 		{"2147483647",	10},
533 		{"2147483648",	10},
534 		{"2147483649",	10},
535 		{"4294967294",	10},
536 		{"4294967295",	10},
537 		{"4294967296",	10},
538 		{"4294967297",	10},
539 		{"9223372036854775806",	10},
540 		{"9223372036854775807",	10},
541 		{"9223372036854775808",	10},
542 		{"9223372036854775809",	10},
543 		{"18446744073709551614",	10},
544 		{"18446744073709551615",	10},
545 		{"18446744073709551616",	10},
546 		{"18446744073709551617",	10},
547 	};
548 	TEST_FAIL(kstrtou16, u16, "%hu", test_u16_fail);
549 }
550 
551 static void __init test_kstrtos16_ok(void)
552 {
553 	DECLARE_TEST_OK(s16, struct test_s16);
554 	static DEFINE_TEST_OK(struct test_s16, test_s16_ok) = {
555 		{"-130",	10,	-130},
556 		{"-129",	10,	-129},
557 		{"-128",	10,	-128},
558 		{"-127",	10,	-127},
559 		{"-1",	10,	-1},
560 		{"0",	10,	0},
561 		{"1",	10,	1},
562 		{"126",	10,	126},
563 		{"127",	10,	127},
564 		{"128",	10,	128},
565 		{"129",	10,	129},
566 		{"254",	10,	254},
567 		{"255",	10,	255},
568 		{"256",	10,	256},
569 		{"257",	10,	257},
570 		{"32766",	10,	32766},
571 		{"32767",	10,	32767},
572 	};
573 	TEST_OK(kstrtos16, s16, "%hd", test_s16_ok);
574 }
575 
576 static void __init test_kstrtos16_fail(void)
577 {
578 	static DEFINE_TEST_FAIL(test_s16_fail) = {
579 		{"32768",	10},
580 		{"32769",	10},
581 		{"65534",	10},
582 		{"65535",	10},
583 		{"65536",	10},
584 		{"65537",	10},
585 		{"2147483646",	10},
586 		{"2147483647",	10},
587 		{"2147483648",	10},
588 		{"2147483649",	10},
589 		{"4294967294",	10},
590 		{"4294967295",	10},
591 		{"4294967296",	10},
592 		{"4294967297",	10},
593 		{"9223372036854775806",	10},
594 		{"9223372036854775807",	10},
595 		{"9223372036854775808",	10},
596 		{"9223372036854775809",	10},
597 		{"18446744073709551614",	10},
598 		{"18446744073709551615",	10},
599 		{"18446744073709551616",	10},
600 		{"18446744073709551617",	10},
601 	};
602 	TEST_FAIL(kstrtos16, s16, "%hd", test_s16_fail);
603 }
604 
605 static void __init test_kstrtou8_ok(void)
606 {
607 	DECLARE_TEST_OK(u8, struct test_u8);
608 	static DEFINE_TEST_OK(struct test_u8, test_u8_ok) = {
609 		{"0",	10,	0},
610 		{"1",	10,	1},
611 		{"126",	10,	126},
612 		{"127",	10,	127},
613 		{"128",	10,	128},
614 		{"129",	10,	129},
615 		{"254",	10,	254},
616 		{"255",	10,	255},
617 	};
618 	TEST_OK(kstrtou8, u8, "%hhu", test_u8_ok);
619 }
620 
621 static void __init test_kstrtou8_fail(void)
622 {
623 	static DEFINE_TEST_FAIL(test_u8_fail) = {
624 		{"-2",	10},
625 		{"-1",	10},
626 		{"256",	10},
627 		{"257",	10},
628 		{"32766",	10},
629 		{"32767",	10},
630 		{"32768",	10},
631 		{"32769",	10},
632 		{"65534",	10},
633 		{"65535",	10},
634 		{"65536",	10},
635 		{"65537",	10},
636 		{"2147483646",	10},
637 		{"2147483647",	10},
638 		{"2147483648",	10},
639 		{"2147483649",	10},
640 		{"4294967294",	10},
641 		{"4294967295",	10},
642 		{"4294967296",	10},
643 		{"4294967297",	10},
644 		{"9223372036854775806",	10},
645 		{"9223372036854775807",	10},
646 		{"9223372036854775808",	10},
647 		{"9223372036854775809",	10},
648 		{"18446744073709551614",	10},
649 		{"18446744073709551615",	10},
650 		{"18446744073709551616",	10},
651 		{"18446744073709551617",	10},
652 	};
653 	TEST_FAIL(kstrtou8, u8, "%hhu", test_u8_fail);
654 }
655 
656 static void __init test_kstrtos8_ok(void)
657 {
658 	DECLARE_TEST_OK(s8, struct test_s8);
659 	static DEFINE_TEST_OK(struct test_s8, test_s8_ok) = {
660 		{"-128",	10,	-128},
661 		{"-127",	10,	-127},
662 		{"-1",	10,	-1},
663 		{"0",	10,	0},
664 		{"1",	10,	1},
665 		{"126",	10,	126},
666 		{"127",	10,	127},
667 	};
668 	TEST_OK(kstrtos8, s8, "%hhd", test_s8_ok);
669 }
670 
671 static void __init test_kstrtos8_fail(void)
672 {
673 	static DEFINE_TEST_FAIL(test_s8_fail) = {
674 		{"-130",	10},
675 		{"-129",	10},
676 		{"128",	10},
677 		{"129",	10},
678 		{"254",	10},
679 		{"255",	10},
680 		{"256",	10},
681 		{"257",	10},
682 		{"32766",	10},
683 		{"32767",	10},
684 		{"32768",	10},
685 		{"32769",	10},
686 		{"65534",	10},
687 		{"65535",	10},
688 		{"65536",	10},
689 		{"65537",	10},
690 		{"2147483646",	10},
691 		{"2147483647",	10},
692 		{"2147483648",	10},
693 		{"2147483649",	10},
694 		{"4294967294",	10},
695 		{"4294967295",	10},
696 		{"4294967296",	10},
697 		{"4294967297",	10},
698 		{"9223372036854775806",	10},
699 		{"9223372036854775807",	10},
700 		{"9223372036854775808",	10},
701 		{"9223372036854775809",	10},
702 		{"18446744073709551614",	10},
703 		{"18446744073709551615",	10},
704 		{"18446744073709551616",	10},
705 		{"18446744073709551617",	10},
706 	};
707 	TEST_FAIL(kstrtos8, s8, "%hhd", test_s8_fail);
708 }
709 
710 static int __init test_kstrtox_init(void)
711 {
712 	test_kstrtoull_ok();
713 	test_kstrtoull_fail();
714 	test_kstrtoll_ok();
715 	test_kstrtoll_fail();
716 
717 	test_kstrtou64_ok();
718 	test_kstrtou64_fail();
719 	test_kstrtos64_ok();
720 	test_kstrtos64_fail();
721 
722 	test_kstrtou32_ok();
723 	test_kstrtou32_fail();
724 	test_kstrtos32_ok();
725 	test_kstrtos32_fail();
726 
727 	test_kstrtou16_ok();
728 	test_kstrtou16_fail();
729 	test_kstrtos16_ok();
730 	test_kstrtos16_fail();
731 
732 	test_kstrtou8_ok();
733 	test_kstrtou8_fail();
734 	test_kstrtos8_ok();
735 	test_kstrtos8_fail();
736 	return -EINVAL;
737 }
738 module_init(test_kstrtox_init);
739 MODULE_LICENSE("Dual BSD/GPL");
740