summaryrefslogtreecommitdiff
path: root/ext/ffi_c/libffi/testsuite/libffi.call/strlen.c
blob: 3de45de7aaac6ffdce3c806132ac1a7bccfe4b09 (plain)
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
41
42
43
44
/* Area:	ffi_call
   Purpose:	Check strlen function call.
   Limitations:	none.
   PR:		none.
   Originator:	From the original ffitest.c  */

/* { dg-do run } */
#include "ffitest.h"

static size_t my_strlen(char *s)
{
  return (strlen(s));
}

int main (void)
{
  ffi_cif cif;
  ffi_type *args[MAX_ARGS];
  void *values[MAX_ARGS];
  ffi_arg rint;
  char *s;

  args[0] = &ffi_type_pointer;
  values[0] = (void*) &s;
  
  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
		     &ffi_type_sint, args) == FFI_OK);
  
  s = "a";
  ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
  CHECK(rint == 1);
  
  s = "1234567";
  ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
  CHECK(rint == 7);
  
  s = "1234567890123456789012345";
  ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
  CHECK(rint == 25);
  
  exit (0);
}