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freopen.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/freopen.c
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7static FILE *-
8orig_freopen (const char *filename, const char *mode, FILE *stream)-
9{-
10 return
executed 182 times by 5 tests: return freopen (filename, mode, stream);
Executed by:
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 freopen (filename, mode, stream);
executed 182 times by 5 tests: return freopen (filename, mode, stream);
Executed by:
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182
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19FILE *-
20rpl_freopen (const char *filename, const char *mode, FILE *stream)-
21{-
22 FILE *result;-
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28 char const *null_device = "/dev/null";-
29-
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35 result = orig_freopen (filename, mode, stream);-
36-
37 if (!result
!resultDescription
TRUEevaluated 2 times by 2 tests
Evaluated by:
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FALSEevaluated 179 times by 5 tests
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)		2-179
38 {-
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45 }
executed 2 times by 2 tests: end of block
Executed by:
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2
46 else if (filename
filenameDescription
TRUEevaluated 179 times by 5 tests
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FALSEnever evaluated
)		0-179
47 {-
48 int fd = fileno (result);-
49 if (dup2 (fd, fd) < 0
dup2 (fd, fd) < 0Description
TRUEevaluated 1 time by 1 test
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FALSEevaluated 178 times by 5 tests
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 && 		1-178
50 (*
(*__errno_location ()) == 9Description
TRUEevaluated 1 time by 1 test
Evaluated by:
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FALSEnever evaluated
__errno_location ())
(*__errno_location ()) == 9Description
TRUEevaluated 1 time by 1 test
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FALSEnever evaluated
0-1
51 ==
(*__errno_location ()) == 9Description
TRUEevaluated 1 time by 1 test
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FALSEnever evaluated
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52 9
(*__errno_location ()) == 9Description
TRUEevaluated 1 time by 1 test
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FALSEnever evaluated
0-1
53 )-
54 {-
55 int nullfd = open (null_device, -
56 00 -
57 | -
58 02000000-
59 );-
60 int err = 0;-
61 if (nullfd != fd
nullfd != fdDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
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)		0-1
62 {-
63 if (dup2 (nullfd, fd) < 0
dup2 (nullfd, fd) < 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
64 err = 1;
never executed: err = 1;
0
65 close (nullfd);-
66 }
never executed: end of block
0
67 if (!err
!errDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
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FALSEnever evaluated
)		0-1
68 result = orig_freopen (filename, mode, result);
executed 1 time by 1 test: result = orig_freopen (filename, mode, result);
Executed by:
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1
69 }
executed 1 time by 1 test: end of block
Executed by:
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1
70 }
executed 179 times by 5 tests: end of block
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179
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72 return
executed 181 times by 5 tests: return result;
Executed by:
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 result;
executed 181 times by 5 tests: return result;
Executed by:
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181
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