OpenCoverage

mgetgroups.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/mgetgroups.c
Switch to Source codePreprocessed file
LineSourceCount
1-
2-
3-
4-
5-
6-
7-
8-
9-
10-
11-
12static gid_t *-
13realloc_groupbuf (gid_t *g, size_t num)-
14{-
15 if ((__builtin_constant_p (num) && __builtin_constant_p (sizeof *g) ? ((size_t) (-
16 (9223372036854775807L)
223372036854775807L)Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
17 <
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
18 (18446744073709551615UL)
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
19 ?
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
20 (9223372036854775807L)
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
21 :
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
22 (18446744073709551615UL)
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
23 - 1) / (sizeof *g) < (num)) : ({ __xalloc_count_type __xalloc_count; __builtin_mul_overflow (num, sizeof *g, &__xalloc_count); })))
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
24 {
92233720368547...count); }))) {Description
TRUEnever evaluated
FALSEevaluated 115 times by 1 test
Evaluated by:
  • id
0-115
25 -
26 (*__errno_location ()) -
27 = -
28 12-
29 ;-
30 return -
31 ((void *)0)
never executed: ((void *)0) ; }
0
32 ;
never executed: ((void *)0) ; }
0
33 }
never executed: ((void *)0) ; }
0
34-
35 return realloc (g, num * sizeof *g);-
36}115
37int-
38mgetgroups (char const *username, gid_t gid, gid_t **groups)-
39{-
40 int max_n_groups;-
41 int ng;-
42 gid_t *g;-
43 if (username)-
44 {16-42
45 enum { N_GROUPS_INIT = 10 };-
46 max_n_groups = N_GROUPS_INIT;-
47-
48 g = realloc_groupbuf (-
49 ((void *)0)-
50 , max_n_groups);-
51 if (g == -
52 ((void *)0)
((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 42 times by 1 test
Evaluated by:
  • id
0-42
53 )
((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 42 times by 1 test
Evaluated by:
  • id
0-42
54 return -1;-
550
56 while (1)-
57 {-
58 gid_t *h;-
59 int last_n_groups = max_n_groups;-
60-
61-
62 ng = getgrouplist (username, gid, g, &max_n_groups);-
63-
64-
65-
66 if (ng < 0 && last_n_groups == max_n_groups)-
67 max_n_gr
x_n_grDescription
TRUEevaluated 15 times by 1 test
Evaluated by:
  • id
FALSEevaluated 42 times by 1 test
Evaluated by:
  • id
oups *= 2;
*= 2;Description
TRUEnever evaluated
FALSEevaluated 15 times by 1 test
Evaluated by:
  • id
0-42
680
69 if ((h = realloc_groupbuf (g, max_n_groups)) == -
70 ((void *)0)
((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 57 times by 1 test
Evaluated by:
  • id
0-57
71 )
((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 57 times by 1 test
Evaluated by:
  • id
0-57
72 {-
73 int saved_errno = -
74 (*__errno_location ())-
75 ;-
76 free (g);-
77 -
78 (*__errno_location ()) -
79 = saved_errno;-
80 return -1;-
81 }0
82 g = h;-
83-
84 if (0 <= ng)-
85 {15-42
86 *groups = g;-
87-
88-
89 return max_n_groups;-
90 }42
91 }-
92 }15
930
94-
95-
96 max_n_groups = (username-
97 ? getugr
? getugrDescription
TRUEnever evaluated
FALSEevaluated 16 times by 1 test
Evaluated by:
  • id
oups (0, 		0-16
98 ((void *)0)-
99 , username, gid)-
100 : getgroups (0, -
101 ((void *)0)-
102 ));-
103-
104-
105-
106-
107 if (max_n_groups < 0)-
108 {0-16
109 if (-
110 (*__errno_location ()) -
111 ==
== 38Description
TRUEnever evaluated
FALSEnever evaluated
0
112 38
== 38Description
TRUEnever evaluated
FALSEnever evaluated
0
113
== 38Description
TRUEnever evaluated
FALSEnever evaluated
 && (g = realloc_groupbuf (		0
114 ((void *)0)
((void *)0) , 1))) {Description
TRUEnever evaluated
FALSEnever evaluated
0
115 , 1)))
((void *)0) , 1))) {Description
TRUEnever evaluated
FALSEnever evaluated
0
116 {
((void *)0) , 1))) {Description
TRUEnever evaluated
FALSEnever evaluated
0
117 *groups = g;-
118 *g = gid;-
119 return gid != (gid_t) -1;-
120 }0
121 return -1;-
122 }0
123-
124 if (max_n_groups == 0 || (!username && gid != (gid_t) -1))-
125 max_n_groups++;
x_n_groups++;Description
TRUEnever evaluated
FALSEevaluated 16 times by 1 test
Evaluated by:
  • id
0-16
126 g =
executed 16 times by 1 test: = realloc_group
Executed by:
  • id
 realloc_group
executed 16 times by 1 test: = realloc_group
Executed by:
  • id
buf (		16
127 ((void *)0)-
128 , max_n_groups);-
129 if (g == -
130 ((void *)0)
((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 16 times by 1 test
Evaluated by:
  • id
0-16
131 )
((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 16 times by 1 test
Evaluated by:
  • id
0-16
132 return -1;-
1330
134 ng = (username-
135 ? getugr
? getugrDescription
TRUEnever evaluated
FALSEevaluated 16 times by 1 test
Evaluated by:
  • id
oups (max_n_groups, g, username, gid)		0-16
136 : getgroups (max_n_groups - (gid != (gid_t) -1),-
137 g + (gid != (gid_t) -1)));-
138-
139 if (ng < 0)-
140 {0-16
141-
142 int saved_errno = -
143 (*__errno_location ())-
144 ;-
145 free (g);-
146 -
147 (*__errno_location ()) -
148 = saved_errno;-
149 return -1;-
150 }0
151-
152 if (!username && gid != (gid_t) -1)-
153 {0-16
154 *g = gid;-
155 ng++;-
156 }-
157 *gr
executed 16 times by 1 test: r
Executed by:
  • id
oups = g;		16
158 if (1 < ng)-
159 {0-16
160 gid_t first = *g;-
161 gid_t *next;-
162 gid_t *groups_end = g + ng;-
163-
164 for (next = g + 1; next < groups_end; next++)-
165 {16-176
166 if (*next == first || *next == *g)-
167 ng--
--;Description
TRUEevaluated 16 times by 1 test
Evaluated by:
  • id
FALSEevaluated 160 times by 1 test
Evaluated by:
  • id
;
--;Description
TRUEevaluated 16 times by 1 test
Evaluated by:
  • id
FALSEevaluated 160 times by 1 test
Evaluated by:
  • id
0-160
168 else
executed 16 times by 1 test: se
Executed by:
  • id
16
169 *++g = *next;-
170 }160
171 }-
17216
173 return ng;-
174}16
Switch to Source codePreprocessed file
Generated by Squish Coco 4.1.2