OpenCoverage

freadseek.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/freadseek.c
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LineSourceCount
1-
2-
3-
4-
5-
6-
7-
8-
9-
10-
11static void-
12freadptrinc (FILE *fp, size_t increment)-
13{-
14-
15-
16-
17-
18 fp->_IO_read_ptr += increment;-
19}
executed 110 times by 1 test: end of block
Executed by:
  • cut
110
20-
21int-
22freadseek (FILE *fp, size_t offset)-
23{-
24 size_t total_buffered;-
25 int fd;-
26-
27 if (offset == 0
offset == 0Description
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • cut
)		0-110
28 return
never executed: return 0;
 0;
never executed: return 0;
0
29-
30-
31-
32 total_buffered = freadahead (fp);-
33-
34-
35 while (total_buffered > 0
total_buffered > 0Description
TRUEevaluated 110 times by 1 test
Evaluated by:
  • cut
FALSEnever evaluated
)		0-110
36 {-
37 size_t buffered;-
38-
39 if (freadptr (fp, &buffered) !=
freadptr (fp, ...!= ((void *)0)Description
TRUEevaluated 110 times by 1 test
Evaluated by:
  • cut
FALSEnever evaluated
0-110
40 ((void *)0)
freadptr (fp, ...!= ((void *)0)Description
TRUEevaluated 110 times by 1 test
Evaluated by:
  • cut
FALSEnever evaluated
 		0-110
41 && buffered > 0
buffered > 0Description
TRUEevaluated 110 times by 1 test
Evaluated by:
  • cut
FALSEnever evaluated
)		0-110
42 {-
43 size_t increment = (buffered < offset
buffered < offsetDescription
TRUEnever evaluated
FALSEevaluated 110 times by 1 test
Evaluated by:
  • cut
 ? buffered : offset);		0-110
44-
45 freadptrinc (fp, increment);-
46 offset -= increment;-
47 if (offset == 0
offset == 0Description
TRUEevaluated 110 times by 1 test
Evaluated by:
  • cut
FALSEnever evaluated
)		0-110
48 return
executed 110 times by 1 test: return 0;
Executed by:
  • cut
 0;
executed 110 times by 1 test: return 0;
Executed by:
  • cut
110
49 total_buffered -= increment;-
50 if (total_buffered == 0
total_buffered == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
51 break;
never executed: break;
0
52 }
never executed: end of block
0
53-
54-
55 if (fgetc (fp) ==
fgetc (fp) == (-1)Description
TRUEnever evaluated
FALSEnever evaluated
0
56 (-1)
fgetc (fp) == (-1)Description
TRUEnever evaluated
FALSEnever evaluated
0
57 )-
58 goto
never executed: goto eof;
 eof;
never executed: goto eof;
0
59 offset--;-
60 if (offset == 0
offset == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
61 return
never executed: return 0;
 0;
never executed: return 0;
0
62 total_buffered--;-
63 }
never executed: end of block
0
64-
65-
66 fd = fileno (fp);-
67 if (fd >= 0
fd >= 0Description
TRUEnever evaluated
FALSEnever evaluated
 && lseek (fd, 0,
lseek (fd, 0, 1 ) >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
68 1
lseek (fd, 0, 1 ) >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
69 ) >= 0
lseek (fd, 0, 1 ) >= 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
70 {-
71-
72 return
never executed: return rpl_fseeko (fp, offset, 1 );
never executed: return rpl_fseeko (fp, offset, 1 );
0
73 rpl_fseeko
never executed: return rpl_fseeko (fp, offset, 1 );
0
74 (fp, offset,
never executed: return rpl_fseeko (fp, offset, 1 );
0
75 1
never executed: return rpl_fseeko (fp, offset, 1 );
0
76 );
never executed: return rpl_fseeko (fp, offset, 1 );
0
77 }-
78 else-
79 {-
80-
81-
82 char buf[4096];-
83-
84 do-
85 {-
86 size_t count = (sizeof (buf) < offset
sizeof (buf) < offsetDescription
TRUEnever evaluated
FALSEnever evaluated
 ? sizeof (buf) : offset);		0
87 if (fread (buf, 1, count, fp) < count
fread (buf, 1,...t, fp) < countDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
88 goto
never executed: goto eof;
 eof;
never executed: goto eof;
0
89 offset -= count;-
90 }
never executed: end of block
0
91 while (offset > 0
offset > 0Description
TRUEnever evaluated
FALSEnever evaluated
);		0
92-
93 return
never executed: return 0;
 0;
never executed: return 0;
0
94 }-
95-
96 eof:-
97-
98 if (ferror (fp)
ferror (fp)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
99 return
never executed: return (-1) ;
never executed: return (-1) ;
0
100 (-1)
never executed: return (-1) ;
0
101 ;
never executed: return (-1) ;
0
102 else-
103-
104 return
never executed: return 0;
 0;
never executed: return 0;
0
105}-
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