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randfile.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/rand/randfile.c
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LineSourceCount
1-
2-
3-
4-
5-
6-
7-
8-
9-
10-
11int-
12RAND_load_file(const char *file, long bytes)-
13{-
14-
15 if (bytes == -1
bytes == -1Description
TRUEnever evaluated
FALSEnever evaluated
)		0
16 return
never executed: return 123456;
 123456;
never executed: return 123456;
0
17 else-
18 return
never executed: return bytes;
 bytes;
never executed: return bytes;
0
19}-
20-
21int-
22RAND_write_file(const char *file)-
23{-
24 unsigned char buf[1024];-
25 int i, ret = 0;-
26 FILE *out = -
27 ((void *)0)-
28 ;-
29 int n, fd;-
30 struct stat sb;-
31-
32-
33-
34-
35-
36 if (stat(file, &sb) != -1
stat(file, &sb) != -1Description
TRUEnever evaluated
FALSEnever evaluated
 &&		0
37 (-
38 ((((
(((( sb.st_mod... == (0060000))Description
TRUEnever evaluated
FALSEnever evaluated
0
39 sb.st_mode
(((( sb.st_mod... == (0060000))Description
TRUEnever evaluated
FALSEnever evaluated
0
40 )) & 0170000) == (0060000))
(((( sb.st_mod... == (0060000))Description
TRUEnever evaluated
FALSEnever evaluated
 		0
41 || -
42 ((((
(((( sb.st_mod... == (0020000))Description
TRUEnever evaluated
FALSEnever evaluated
0
43 sb.st_mode
(((( sb.st_mod... == (0020000))Description
TRUEnever evaluated
FALSEnever evaluated
0
44 )) & 0170000) == (0020000))
(((( sb.st_mod... == (0020000))Description
TRUEnever evaluated
FALSEnever evaluated
0
45 )) {-
46 return
never executed: return (1);
 (1);
never executed: return (1);
0
47 }-
48-
49 fd = open(file, -
50 01-
51 |-
52 0100-
53 , 0600);-
54 if (fd == -1
fd == -1Description
TRUEnever evaluated
FALSEnever evaluated
)		0
55 return
never executed: return (1);
 (1);
never executed: return (1);
0
56 out = fdopen(fd, "wb");-
57-
58 if (out ==
out == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
59 ((void *)0)
out == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
60 ) {-
61 close(fd);-
62 return
never executed: return (1);
 (1);
never executed: return (1);
0
63 }-
64-
65 n = 1024;-
66 for (;;) {-
67 i = (
(n > 1024)Description
TRUEnever evaluated
FALSEnever evaluated
n > 1024)
(n > 1024)Description
TRUEnever evaluated
FALSEnever evaluated
 ? 1024 : n;		0
68 n -= 1024;-
69 arc4random_buf(buf, i);-
70 i = fwrite(buf, 1, i, out);-
71 if (i <= 0
i <= 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
72 ret = 0;-
73 break;
never executed: break;
0
74 }-
75 ret += i;-
76 if (n <= 0
n <= 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
77 break;
never executed: break;
0
78 }
never executed: end of block
0
79-
80 fclose(out);-
81 explicit_bzero(buf, 1024);-
82 return
never executed: return ret;
 ret;
never executed: return ret;
0
83}-
84-
85const char *-
86RAND_file_name(char * buf, size_t size)-
87{-
88 if (strlcpy(buf, "/dev/urandom", size) >= size
strlcpy(buf, "... size) >= sizeDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
89 return
never executed: return ( ((void *)0) );
 (
never executed: return ( ((void *)0) );
0
90 ((void *)0)
never executed: return ( ((void *)0) );
0
91 );
never executed: return ( ((void *)0) );
0
92 return
never executed: return buf;
 buf;
never executed: return buf;
0
93}-
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