OpenCoverage

zread.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/bash/src/lib/sh/zread.c
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1-
2-
3-
4-
5-
6-
7extern int executing_builtin;-
8-
9extern void check_signals_and_traps (void);-
10extern void check_signals (void);-
11extern int signal_is_trapped (int);-
12-
13-
14-
15ssize_t-
16zread (fd, buf, len)-
17 int fd;-
18 char *buf;-
19 size_t len;-
20{-
21 ssize_t r;-
22-
23 check_signals ();-
24 while ((
(r = read (fd, buf, len)) < 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 8538293 times by 1 test
Evaluated by:
  • Self test
r = read (fd, buf, len)) < 0
(r = read (fd, buf, len)) < 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 8538293 times by 1 test
Evaluated by:
  • Self test
 && 		2-8538293
25 (*
(*__errno_location ()) == 4Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • Self test
FALSEevaluated 1 time by 1 test
Evaluated by:
  • Self test
__errno_location ())
(*__errno_location ()) == 4Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • Self test
FALSEevaluated 1 time by 1 test
Evaluated by:
  • Self test
1
26 ==
(*__errno_location ()) == 4Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • Self test
FALSEevaluated 1 time by 1 test
Evaluated by:
  • Self test
1
27 4
(*__errno_location ()) == 4Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • Self test
FALSEevaluated 1 time by 1 test
Evaluated by:
  • Self test
1
28 )-
29-
30-
31 if (executing_builtin
executing_builtinDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • Self test
FALSEnever evaluated
)		0-1
32 check_signals_and_traps ();
executed 1 time by 1 test: check_signals_and_traps ();
Executed by:
  • Self test
1
33 else-
34 check_signals ();
never executed: check_signals ();
0
35-
36 return
executed 8538294 times by 1 test: return r;
Executed by:
  • Self test
 r;
executed 8538294 times by 1 test: return r;
Executed by:
  • Self test
8538294
37}-
38ssize_t-
39zreadretry (fd, buf, len)-
40 int fd;-
41 char *buf;-
42 size_t len;-
43{-
44 ssize_t r;-
45 int nintr;-
46-
47 for (nintr = 0; ; )-
48 {-
49 r = read (fd, buf, len);-
50 if (r >= 0
r >= 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
51 return
never executed: return r;
 r;
never executed: return r;
0
52 if (r == -1
r == -1Description
TRUEnever evaluated
FALSEnever evaluated
 && 		0
53 (*
(*__errno_location ()) == 4Description
TRUEnever evaluated
FALSEnever evaluated
__errno_location ())
(*__errno_location ()) == 4Description
TRUEnever evaluated
FALSEnever evaluated
0
54 ==
(*__errno_location ()) == 4Description
TRUEnever evaluated
FALSEnever evaluated
0
55 4
(*__errno_location ()) == 4Description
TRUEnever evaluated
FALSEnever evaluated
0
56 )-
57 {-
58 if (++
++nintr >= 3Description
TRUEnever evaluated
FALSEnever evaluated
nintr >= 3
++nintr >= 3Description
TRUEnever evaluated
FALSEnever evaluated
)		0
59 return
never executed: return -1;
 -1;
never executed: return -1;
0
60 continue;
never executed: continue;
0
61 }-
62 return
never executed: return r;
 r;
never executed: return r;
0
63 }-
64}
never executed: end of block
0
65-
66-
67ssize_t-
68zreadintr (fd, buf, len)-
69 int fd;-
70 char *buf;-
71 size_t len;-
72{-
73 check_signals ();-
74 return
never executed: return (read (fd, buf, len));
 (read (fd, buf, len));
never executed: return (read (fd, buf, len));
0
75}-
76-
77-
78-
79-
80-
81static char lbuf[128];-
82static size_t lind, lused;-
83-
84ssize_t-
85zreadc (fd, cp)-
86 int fd;-
87 char *cp;-
88{-
89 ssize_t nr;-
90-
91 if (lind == lused
lind == lusedDescription
TRUEevaluated 546 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 6514 times by 1 test
Evaluated by:
  • Self test
 || lused == 0
lused == 0Description
TRUEnever evaluated
FALSEevaluated 6514 times by 1 test
Evaluated by:
  • Self test
)		0-6514
92 {-
93 nr = zread (fd, lbuf, sizeof (lbuf));-
94 lind = 0;-
95 if (nr <= 0
nr <= 0Description
TRUEevaluated 39 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 507 times by 1 test
Evaluated by:
  • Self test
)		39-507
96 {-
97 lused = 0;-
98 return
executed 39 times by 1 test: return nr;
Executed by:
  • Self test
 nr;
executed 39 times by 1 test: return nr;
Executed by:
  • Self test
39
99 }-
100 lused = nr;-
101 }
executed 507 times by 1 test: end of block
Executed by:
  • Self test
507
102 if (cp
cpDescription
TRUEevaluated 7021 times by 1 test
Evaluated by:
  • Self test
FALSEnever evaluated
)		0-7021
103 *
executed 7021 times by 1 test: *cp = lbuf[lind++];
Executed by:
  • Self test
cp = lbuf[lind++];
executed 7021 times by 1 test: *cp = lbuf[lind++];
Executed by:
  • Self test
7021
104 return
executed 7021 times by 1 test: return 1;
Executed by:
  • Self test
 1;
executed 7021 times by 1 test: return 1;
Executed by:
  • Self test
7021
105}-
106-
107-
108-
109ssize_t-
110zreadcintr (fd, cp)-
111 int fd;-
112 char *cp;-
113{-
114 ssize_t nr;-
115-
116 if (lind == lused
lind == lusedDescription
TRUEnever evaluated
FALSEnever evaluated
 || lused == 0
lused == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
117 {-
118 nr = zreadintr (fd, lbuf, sizeof (lbuf));-
119 lind = 0;-
120 if (nr <= 0
nr <= 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
121 {-
122 lused = 0;-
123 return
never executed: return nr;
 nr;
never executed: return nr;
0
124 }-
125 lused = nr;-
126 }
never executed: end of block
0
127 if (cp
cpDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
128 *
never executed: *cp = lbuf[lind++];
cp = lbuf[lind++];
never executed: *cp = lbuf[lind++];
0
129 return
never executed: return 1;
 1;
never executed: return 1;
0
130}-
131-
132-
133-
134ssize_t-
135zreadn (fd, cp, len)-
136 int fd;-
137 char *cp;-
138 size_t len;-
139{-
140 ssize_t nr;-
141-
142 if (lind == lused
lind == lusedDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • Self test
FALSEevaluated 3 times by 1 test
Evaluated by:
  • Self test
 || lused == 0
lused == 0Description
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • Self test
)		0-3
143 {-
144 if (len > sizeof (lbuf)
len > sizeof (lbuf)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • Self test
)		0-1
145 len = sizeof (lbuf);
never executed: len = sizeof (lbuf);
0
146 nr = zread (fd, lbuf, len);-
147 lind = 0;-
148 if (nr <= 0
nr <= 0Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • Self test
)		0-1
149 {-
150 lused = 0;-
151 return
never executed: return nr;
 nr;
never executed: return nr;
0
152 }-
153 lused = nr;-
154 }
executed 1 time by 1 test: end of block
Executed by:
  • Self test
1
155 if (cp
cpDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • Self test
FALSEnever evaluated
)		0-4
156 *
executed 4 times by 1 test: *cp = lbuf[lind++];
Executed by:
  • Self test
cp = lbuf[lind++];
executed 4 times by 1 test: *cp = lbuf[lind++];
Executed by:
  • Self test
4
157 return
executed 4 times by 1 test: return 1;
Executed by:
  • Self test
 1;
executed 4 times by 1 test: return 1;
Executed by:
  • Self test
4
158}-
159-
160void-
161zreset ()-
162{-
163 lind = lused = 0;-
164}
executed 23 times by 1 test: end of block
Executed by:
  • Self test
23
165-
166-
167-
168void-
169zsyncfd (fd)-
170 int fd;-
171{-
172 off_t off, r;-
173-
174 off = lused - lind;-
175 r = 0;-
176 if (off > 0
off > 0Description
TRUEevaluated 352 times by 1 test
Evaluated by:
  • Self test
FALSEevaluated 171 times by 1 test
Evaluated by:
  • Self test
)		171-352
177 r = lseek (fd, -off,
executed 352 times by 1 test: r = lseek (fd, -off, 1 );
Executed by:
  • Self test
352
178 1
executed 352 times by 1 test: r = lseek (fd, -off, 1 );
Executed by:
  • Self test
352
179 );
executed 352 times by 1 test: r = lseek (fd, -off, 1 );
Executed by:
  • Self test
352
180-
181 if (r != -1
r != -1Description
TRUEevaluated 523 times by 1 test
Evaluated by:
  • Self test
FALSEnever evaluated
)		0-523
182 lused = lind = 0;
executed 523 times by 1 test: lused = lind = 0;
Executed by:
  • Self test
523
183}
executed 523 times by 1 test: end of block
Executed by:
  • Self test
523
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