9  *  Usage: valid-adjtimex
12  *	$ gcc valid-adjtimex.c -o valid-adjtimex -lrt
26 #include <time.h>
27 #include <sys/time.h>
63 	 -499 * SHIFTED_PPM,
64 	 -450 * SHIFTED_PPM,
65 	 -400 * SHIFTED_PPM,
66 	 -350 * SHIFTED_PPM,
67 	 -300 * SHIFTED_PPM,
68 	 -250 * SHIFTED_PPM,
69 	 -200 * SHIFTED_PPM,
70 	 -150 * SHIFTED_PPM,
71 	 -100 * SHIFTED_PPM,
72 	  -75 * SHIFTED_PPM,
73 	  -50 * SHIFTED_PPM,
74 	  -25 * SHIFTED_PPM,
75 	  -10 * SHIFTED_PPM,
76 	   -5 * SHIFTED_PPM,
77 	   -1 * SHIFTED_PPM,
78 	-1000,
97 	-1000 * SHIFTED_PPM,
98 	 -550 * SHIFTED_PPM,
104 #define LONG_MIN (-LONG_MAX - 1)
131 			printf("Error: adjtimex(ADJ_FREQ, %ld - %ld ppm\n",  in validate_freq()
133 			pass = -1;  in validate_freq()
150 			printf("Error: adjtimex(ADJ_FREQ, %ld - %ld ppm\n",  in validate_freq()
152 			pass = -1;  in validate_freq()
161 			pass = -1;  in validate_freq()
176 				pass = -1;  in validate_freq()
184 	/* reset freq to zero */  in validate_freq()
202 		tmx.time.tv_sec = offset / NSEC_PER_SEC;  in set_offset()
203 		tmx.time.tv_usec = offset % NSEC_PER_SEC;  in set_offset()
205 		if (offset < 0 && tmx.time.tv_usec) {  in set_offset()
206 			tmx.time.tv_sec -= 1;  in set_offset()
207 			tmx.time.tv_usec += NSEC_PER_SEC;  in set_offset()
210 		tmx.time.tv_sec = offset / USEC_PER_SEC;  in set_offset()
211 		tmx.time.tv_usec = offset % USEC_PER_SEC;  in set_offset()
213 		if (offset < 0 && tmx.time.tv_usec) {  in set_offset()
214 			tmx.time.tv_sec -= 1;  in set_offset()
215 			tmx.time.tv_usec += USEC_PER_SEC;  in set_offset()
221 		printf("(sec: %ld  usec: %ld) ", tmx.time.tv_sec, tmx.time.tv_usec);  in set_offset()
223 		return -1;  in set_offset()
228 int set_bad_offset(long sec, long usec, int use_nano)  in set_bad_offset()  argument
237 	tmx.time.tv_sec = sec;  in set_bad_offset()
238 	tmx.time.tv_usec = usec;  in set_bad_offset()
241 		printf("Invalid (sec: %ld  usec: %ld) did not fail! ", tmx.time.tv_sec, tmx.time.tv_usec);  in set_bad_offset()
243 		return -1;  in set_bad_offset()
254 	if (set_offset(NSEC_PER_SEC - 1, 1))  in validate_set_offset()
255 		return -1;  in validate_set_offset()
257 	if (set_offset(-NSEC_PER_SEC + 1, 1))  in validate_set_offset()
258 		return -1;  in validate_set_offset()
260 	if (set_offset(-NSEC_PER_SEC - 1, 1))  in validate_set_offset()
261 		return -1;  in validate_set_offset()
264 		return -1;  in validate_set_offset()
266 	if (set_offset(-5 * NSEC_PER_SEC, 1))  in validate_set_offset()
267 		return -1;  in validate_set_offset()
270 		return -1;  in validate_set_offset()
272 	if (set_offset(-5 * NSEC_PER_SEC - NSEC_PER_SEC / 2, 1))  in validate_set_offset()
273 		return -1;  in validate_set_offset()
275 	if (set_offset(USEC_PER_SEC - 1, 0))  in validate_set_offset()
276 		return -1;  in validate_set_offset()
278 	if (set_offset(-USEC_PER_SEC + 1, 0))  in validate_set_offset()
279 		return -1;  in validate_set_offset()
281 	if (set_offset(-USEC_PER_SEC - 1, 0))  in validate_set_offset()
282 		return -1;  in validate_set_offset()
285 		return -1;  in validate_set_offset()
287 	if (set_offset(-5 * USEC_PER_SEC, 0))  in validate_set_offset()
288 		return -1;  in validate_set_offset()
291 		return -1;  in validate_set_offset()
293 	if (set_offset(-5 * USEC_PER_SEC - USEC_PER_SEC / 2, 0))  in validate_set_offset()
294 		return -1;  in validate_set_offset()
297 	if (set_bad_offset(0, -1, 1))  in validate_set_offset()
298 		return -1;  in validate_set_offset()
299 	if (set_bad_offset(0, -1, 0))  in validate_set_offset()
300 		return -1;  in validate_set_offset()
302 		return -1;  in validate_set_offset()
304 		return -1;  in validate_set_offset()
306 		return -1;  in validate_set_offset()
308 		return -1;  in validate_set_offset()
309 	if (set_bad_offset(0, -NSEC_PER_SEC, 1))  in validate_set_offset()
310 		return -1;  in validate_set_offset()
311 	if (set_bad_offset(0, -USEC_PER_SEC, 0))  in validate_set_offset()
312 		return -1;  in validate_set_offset()