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utimecmp.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/utimecmp.c
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1-
2-
3-
4enum { SYSCALL_RESOLUTION = 1 };-
5struct fs_res-
6{-
7-
8 dev_t dev;-
9-
10-
11-
12-
13-
14-
15 int resolution;-
16-
17-
18-
19 -
20 _Bool -
21 exact;-
22};-
23-
24-
25static size_t-
26dev_info_hash (void const *x, size_t table_size)-
27{-
28 struct fs_res const *p = x;-
29-
30-
31 if ((
(! ((dev_t) 0 < (dev_t) -1))Description
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • cp
! ((dev_t) 0 < (dev_t) -1))
(! ((dev_t) 0 < (dev_t) -1))Description
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • cp
 && 		0-4
32 (
(1844674407370...) * 2 + 1)))))Description
TRUEnever evaluated
FALSEnever evaluated
18446744073709551615UL)
(1844674407370...) * 2 + 1)))))Description
TRUEnever evaluated
FALSEnever evaluated
0
33 < ((0x7fffffff) > (((dev_t) (! (! ((dev_t) 0 < (dev_t) -1)) ? (dev_t) -1 : ((((dev_t) 1 << ((sizeof (dev_t) * 8) - 2)) - 1) * 2 + 1)))) ? (0x7fffffff) : (((dev_t) (! (! ((dev_t) 0 < (dev_t) -1)) ? (dev_t) -1 : ((((dev_t) 1 << ((sizeof (dev_t) * 8) - 2)) - 1) * 2 + 1)))))
(1844674407370...) * 2 + 1)))))Description
TRUEnever evaluated
FALSEnever evaluated
)		0
34 {-
35 uintmax_t dev = p->dev;-
36 return
never executed: return dev % table_size;
 dev % table_size;
never executed: return dev % table_size;
0
37 }-
38-
39 return
executed 4 times by 1 test: return p->dev % table_size;
Executed by:
  • cp
 p->dev % table_size;
executed 4 times by 1 test: return p->dev % table_size;
Executed by:
  • cp
4
40}-
41-
42-
43static -
44 _Bool-
45-
46dev_info_compare (void const *x, void const *y)-
47{-
48 struct fs_res const *a = x;-
49 struct fs_res const *b = y;-
50 return
executed 2 times by 1 test: return a->dev == b->dev;
Executed by:
  • cp
 a->dev == b->dev;
executed 2 times by 1 test: return a->dev == b->dev;
Executed by:
  • cp
2
51}-
52int-
53utimecmp (char const *dst_name,-
54 struct stat const *dst_stat,-
55 struct stat const *src_stat,-
56 int options)-
57{-
58 return
executed 16 times by 2 tests: return utimecmpat ( -100 , dst_name, dst_stat, src_stat, options);
Executed by:
  • cp
  • mv
 utimecmpat (
executed 16 times by 2 tests: return utimecmpat ( -100 , dst_name, dst_stat, src_stat, options);
Executed by:
  • cp
  • mv
16
59 -100
executed 16 times by 2 tests: return utimecmpat ( -100 , dst_name, dst_stat, src_stat, options);
Executed by:
  • cp
  • mv
16
60 , dst_name, dst_stat, src_stat, options);
executed 16 times by 2 tests: return utimecmpat ( -100 , dst_name, dst_stat, src_stat, options);
Executed by:
  • cp
  • mv
16
61}-
62-
63int-
64utimecmpat (int dfd, char const *dst_name,-
65 struct stat const *dst_stat,-
66 struct stat const *src_stat,-
67 int options)-
68{-
69 _Static_assert (((time_t) 1.5 == 1), "verify (" "TYPE_IS_INTEGER (time_t)" ")");-
70-
71-
72 time_t dst_s = dst_stat->-
73 st_mtim.tv_sec-
74 ;-
75 time_t src_s = src_stat->-
76 st_mtim.tv_sec-
77 ;-
78 int dst_ns = get_stat_mtime_ns (dst_stat);-
79 int src_ns = get_stat_mtime_ns (src_stat);-
80-
81 if (options & UTIMECMP_TRUNCATE_SOURCE
options & UTIM...RUNCATE_SOURCEDescription
TRUEevaluated 8 times by 1 test
Evaluated by:
  • cp
FALSEevaluated 8 times by 2 tests
Evaluated by:
  • cp
  • mv
)		8
82 {-
83-
84-
85-
86 static Hash_table *ht;-
87-
88-
89 static struct fs_res *new_dst_res;-
90 struct fs_res *dst_res = -
91 ((void *)0)-
92 ;-
93 struct fs_res tmp_dst_res;-
94-
95-
96 int res;-
97-
98-
99-
100-
101 if (dst_s == src_s
dst_s == src_sDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • cp
FALSEevaluated 4 times by 1 test
Evaluated by:
  • cp
 && dst_ns == src_ns
dst_ns == src_nsDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • cp
)		0-4
102 return
never executed: return 0;
 0;
never executed: return 0;
0
103 if (dst_s <= src_s - 2
dst_s <= src_s - 2Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • cp
FALSEevaluated 6 times by 1 test
Evaluated by:
  • cp
)		2-6
104 return
executed 2 times by 1 test: return -1;
Executed by:
  • cp
 -1;
executed 2 times by 1 test: return -1;
Executed by:
  • cp
2
105 if (src_s <= dst_s - 2
src_s <= dst_s - 2Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • cp
FALSEevaluated 4 times by 1 test
Evaluated by:
  • cp
)		2-4
106 return
executed 2 times by 1 test: return 1;
Executed by:
  • cp
 1;
executed 2 times by 1 test: return 1;
Executed by:
  • cp
2
107-
108-
109-
110 if (! ht
! htDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • cp
FALSEevaluated 2 times by 1 test
Evaluated by:
  • cp
)		2
111 ht = hash_initialize (16,
executed 2 times by 1 test: ht = hash_initialize (16, ((void *)0) , dev_info_hash, dev_info_compare, free);
Executed by:
  • cp
2
112 ((void *)0)
executed 2 times by 1 test: ht = hash_initialize (16, ((void *)0) , dev_info_hash, dev_info_compare, free);
Executed by:
  • cp
2
113 , dev_info_hash, dev_info_compare, free);
executed 2 times by 1 test: ht = hash_initialize (16, ((void *)0) , dev_info_hash, dev_info_compare, free);
Executed by:
  • cp
2
114 if (ht
htDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • cp
FALSEnever evaluated
)		0-4
115 {-
116 if (! new_dst_res
! new_dst_resDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • cp
FALSEnever evaluated
)		0-4
117 {-
118 new_dst_res = malloc (sizeof *new_dst_res);-
119 if (!new_dst_res
!new_dst_resDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • cp
)		0-4
120 goto
never executed: goto low_memory;
 low_memory;
never executed: goto low_memory;
0
121 new_dst_res->resolution = 2 * (1000 * 1000 * 1000);-
122 new_dst_res->exact = -
123 0-
124 ;-
125 }
executed 4 times by 1 test: end of block
Executed by:
  • cp
4
126 new_dst_res->dev = dst_stat->st_dev;-
127 dst_res = hash_insert (ht, new_dst_res);-
128 if (! dst_res
! dst_resDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • cp
)		0-4
129 goto
never executed: goto low_memory;
 low_memory;
never executed: goto low_memory;
0
130-
131 if (dst_res == new_dst_res
dst_res == new_dst_resDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • cp
FALSEevaluated 2 times by 1 test
Evaluated by:
  • cp
)		2
132 {-
133-
134-
135 new_dst_res = -
136 ((void *)0)-
137 ;-
138 }
executed 2 times by 1 test: end of block
Executed by:
  • cp
2
139 }
executed 4 times by 1 test: end of block
Executed by:
  • cp
4
140 else-
141 {-
142 low_memory:-
143 if (ht
htDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
144 {-
145 tmp_dst_res.dev = dst_stat->st_dev;-
146 dst_res = hash_lookup (ht, &tmp_dst_res);-
147 }
never executed: end of block
0
148 if (!dst_res
!dst_resDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
149 {-
150 dst_res = &tmp_dst_res;-
151 dst_res->resolution = 2 * (1000 * 1000 * 1000);-
152 dst_res->exact = -
153 0-
154 ;-
155 }
never executed: end of block
0
156 }
never executed: end of block
0
157-
158 res = dst_res->resolution;-
159 if (! dst_res->exact
! dst_res->exactDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • cp
FALSEevaluated 2 times by 1 test
Evaluated by:
  • cp
)		2
160 {-
161-
162-
163-
164 time_t dst_a_s = dst_stat->-
165 st_atim.tv_sec-
166 ;-
167 time_t dst_c_s = dst_stat->-
168 st_ctim.tv_sec-
169 ;-
170 time_t dst_m_s = dst_s;-
171 int dst_a_ns = get_stat_atime_ns (dst_stat);-
172 int dst_c_ns = get_stat_ctime_ns (dst_stat);-
173 int dst_m_ns = dst_ns;-
174-
175-
176-
177-
178-
179-
180-
181 {-
182 -
183 _Bool -
184 odd_second = (dst_a_s | dst_c_s | dst_m_s) & 1;-
185-
186 if (SYSCALL_RESOLUTION == (1000 * 1000 * 1000)
SYSCALL_RESOLU...* 1000 * 1000)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • cp
)		0-2
187 {-
188 if (odd_second | dst_a_ns | dst_c_ns | dst_m_ns
odd_second | d..._ns | dst_m_nsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
189 res = (1000 * 1000 * 1000);
never executed: res = (1000 * 1000 * 1000);
0
190 }
never executed: end of block
0
191 else-
192 {-
193 int a = dst_a_ns;-
194 int c = dst_c_ns;-
195 int m = dst_m_ns;-
196-
197-
198-
199 int SR10 = SYSCALL_RESOLUTION; SR10 *= 10;-
200-
201 if ((
(a % SR10 | c ...m % SR10) != 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • cp
FALSEnever evaluated
a % SR10 | c % SR10 | m % SR10) != 0
(a % SR10 | c ...m % SR10) != 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • cp
FALSEnever evaluated
)		0-2
202 res = SYSCALL_RESOLUTION;
executed 2 times by 1 test: res = SYSCALL_RESOLUTION;
Executed by:
  • cp
2
203 else-
204 for (res = SR10, a /= SR10, c /= SR10, m /= SR10;-
205 (res < dst_res->resolution
res < dst_res->resolutionDescription
TRUEnever evaluated
FALSEnever evaluated
0
206 && (
(a % 10 | c % ...| m % 10) == 0Description
TRUEnever evaluated
FALSEnever evaluated
a % 10 | c % 10 | m % 10) == 0
(a % 10 | c % ...| m % 10) == 0Description
TRUEnever evaluated
FALSEnever evaluated
);		0
207 res *= 10, a /= 10, c /= 10, m /= 10)-
208 if (res == (1000 * 1000 * 1000)
res == (1000 * 1000 * 1000)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
209 {-
210 if (! odd_second
! odd_secondDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
211 res *= 2;
never executed: res *= 2;
0
212 break;
never executed: break;
0
213 }-
214 }
executed 2 times by 1 test: end of block
Executed by:
  • cp
2
215-
216 dst_res->resolution = res;-
217 }-
218-
219 if (SYSCALL_RESOLUTION < res
SYSCALL_RESOLUTION < resDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • cp
)		0-2
220 {-
221 struct timespec timespec[2];-
222 struct stat dst_status;-
223-
224-
225-
226 src_ns -= src_ns % SYSCALL_RESOLUTION;-
227-
228-
229-
230-
231 {-
232 time_t s = src_s & ~ (res == 2 * (1000 * 1000 * 1000) ? 1 : 0);-
233 if (src_s < dst_s
src_s < dst_sDescription
TRUEnever evaluated
FALSEnever evaluated
 || (src_s == dst_s
src_s == dst_sDescription
TRUEnever evaluated
FALSEnever evaluated
 && src_ns <= dst_ns
src_ns <= dst_nsDescription
TRUEnever evaluated
FALSEnever evaluated
))		0
234 return
never executed: return 1;
 1;
never executed: return 1;
0
235 if (dst_s < s
dst_s < sDescription
TRUEnever evaluated
FALSEnever evaluated
0
236 || (dst_s == s
dst_s == sDescription
TRUEnever evaluated
FALSEnever evaluated
 && dst_ns < src_ns - src_ns % res
dst_ns < src_ns - src_ns % resDescription
TRUEnever evaluated
FALSEnever evaluated
))		0
237 return
never executed: return -1;
 -1;
never executed: return -1;
0
238 }-
239-
240-
241-
242-
243-
244-
245-
246 timespec[0].tv_sec = dst_a_s;-
247 timespec[0].tv_nsec = dst_a_ns;-
248 timespec[1].tv_sec = dst_m_s | (res == 2 * (1000 * 1000 * 1000));-
249 timespec[1].tv_nsec = dst_m_ns + res / 9;-
250-
251 if (utimensat (dfd, dst_name, timespec,
utimensat (dfd...espec, 0x100 )Description
TRUEnever evaluated
FALSEnever evaluated
0
252 0x100
utimensat (dfd...espec, 0x100 )Description
TRUEnever evaluated
FALSEnever evaluated
0
253 )
utimensat (dfd...espec, 0x100 )Description
TRUEnever evaluated
FALSEnever evaluated
)		0
254 return
never executed: return -2;
 -2;
never executed: return -2;
0
255-
256-
257 {-
258 int stat_result-
259 = fstatat (dfd, dst_name, &dst_status, -
260 0x100-
261 );-
262-
263 if (stat_result
stat_result | ...s) ^ dst_m_ns)Description
TRUEnever evaluated
FALSEnever evaluated
0
264 | (dst_status.
stat_result | ...s) ^ dst_m_ns)Description
TRUEnever evaluated
FALSEnever evaluated
0
265 st_mtim.tv_sec
stat_result | ...s) ^ dst_m_ns)Description
TRUEnever evaluated
FALSEnever evaluated
0
266 ^ dst_m_s)
stat_result | ...s) ^ dst_m_ns)Description
TRUEnever evaluated
FALSEnever evaluated
0
267 | (get_stat_mtime_ns (&dst_status) ^ dst_m_ns)
stat_result | ...s) ^ dst_m_ns)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
268 {-
269-
270-
271 timespec[1].tv_sec = dst_m_s;-
272 timespec[1].tv_nsec = dst_m_ns;-
273 utimensat (dfd, dst_name, timespec, -
274 0x100-
275 );-
276 }
never executed: end of block
0
277-
278 if (stat_result != 0
stat_result != 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
279 return
never executed: return -2;
 -2;
never executed: return -2;
0
280 }-
281-
282-
283-
284 {-
285 int old_res = res;-
286 int a = ((1000 * 1000 * 1000) * (dst_status.-
287 st_mtim.tv_sec -
288 & 1)-
289 + get_stat_mtime_ns (&dst_status));-
290-
291 res = SYSCALL_RESOLUTION;-
292-
293 for (a /= res; a % 10 == 0
a % 10 == 0Description
TRUEnever evaluated
FALSEnever evaluated
; a /= 10)		0
294 {-
295 if (res == (1000 * 1000 * 1000)
res == (1000 * 1000 * 1000)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
296 {-
297 res *= 2;-
298 break;
never executed: break;
0
299 }-
300 res *= 10;-
301 if (res == old_res
res == old_resDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
302 break;
never executed: break;
0
303 }
never executed: end of block
0
304 }-
305 }
never executed: end of block
0
306-
307 dst_res->resolution = res;-
308 dst_res->exact = -
309 1-
310 ;-
311 }
executed 2 times by 1 test: end of block
Executed by:
  • cp
2
312-
313-
314 src_s &= ~ (res == 2 * (1000 * 1000 * 1000) ? 1 : 0);-
315 src_ns -= src_ns % res;-
316 }
executed 4 times by 1 test: end of block
Executed by:
  • cp
4
317-
318-
319 return
executed 12 times by 2 tests: return (dst_s < src_s ? -1 : dst_s > src_s ? 1 : dst_ns < src_ns ? -1 : dst_ns > src_ns);
Executed by:
  • cp
  • mv
 (dst_s < src_s ? -1
executed 12 times by 2 tests: return (dst_s < src_s ? -1 : dst_s > src_s ? 1 : dst_ns < src_ns ? -1 : dst_ns > src_ns);
Executed by:
  • cp
  • mv
12
320 : dst_s > src_s ? 1
executed 12 times by 2 tests: return (dst_s < src_s ? -1 : dst_s > src_s ? 1 : dst_ns < src_ns ? -1 : dst_ns > src_ns);
Executed by:
  • cp
  • mv
12
321 : dst_ns < src_ns ? -1
executed 12 times by 2 tests: return (dst_s < src_s ? -1 : dst_s > src_s ? 1 : dst_ns < src_ns ? -1 : dst_ns > src_ns);
Executed by:
  • cp
  • mv
12
322 : dst_ns > src_ns);
executed 12 times by 2 tests: return (dst_s < src_s ? -1 : dst_s > src_s ? 1 : dst_ns < src_ns ? -1 : dst_ns > src_ns);
Executed by:
  • cp
  • mv
12
323}-
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