File: main.c

package info (click to toggle)
cbmc 6.6.0-4
  • links: PTS
  • area: main
  • in suites: forky, sid, trixie
  • size: 153,852 kB
  • sloc: cpp: 386,459; ansic: 114,466; java: 28,405; python: 6,003; yacc: 4,552; makefile: 4,041; lex: 2,487; xml: 2,388; sh: 2,050; perl: 557; pascal: 184; javascript: 163; ada: 36
file content (40 lines) | stat: -rw-r--r-- 655 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
#ifdef _WIN32
#include <fcntl.h>
#include <io.h>
#else
#include <unistd.h>
#endif

#include <assert.h>
#include <errno.h>

int main()
{
  int filedesc[2];

  errno = 0;
#ifdef _WIN32
  int ret = _pipe(filedesc, 1000, O_BINARY);
#else
  int ret = pipe(filedesc);
#endif

  __CPROVER_assert(errno != EMFILE, "EMFILE");
  __CPROVER_assert(errno != ENFILE, "ENFILE");

  __CPROVER_assume(ret == 0);

  char data[2] = {7, 42};
  ret = write(filedesc[1], data, 2);
  assert(ret == 2);

  data[0] = 0;
  data[1] = 0;
  ret = read(filedesc[0], data, 2);
  assert(ret == 2);
  assert(data[0] == 7);
  assert(data[1] == 31);
  assert(data[1] == 42);

  return 0;
}