(root)/
gcc-13.2.0/
libffi/
testsuite/
libffi.call/
strlen.c
       1  /* Area:	ffi_call
       2     Purpose:	Check strlen function call.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	From the original ffitest.c  */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  
      10  static size_t ABI_ATTR my_strlen(char *s)
      11  {
      12    return (strlen(s));
      13  }
      14  
      15  int main (void)
      16  {
      17    ffi_cif cif;
      18    ffi_type *args[MAX_ARGS];
      19    void *values[MAX_ARGS];
      20    ffi_arg rint;
      21    char *s;
      22  
      23    args[0] = &ffi_type_pointer;
      24    values[0] = (void*) &s;
      25    
      26    /* Initialize the cif */
      27    CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
      28  		     &ffi_type_sint, args) == FFI_OK);
      29    
      30    s = "a";
      31    ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
      32    CHECK(rint == 1);
      33    
      34    s = "1234567";
      35    ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
      36    CHECK(rint == 7);
      37    
      38    s = "1234567890123456789012345";
      39    ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
      40    CHECK(rint == 25);
      41    
      42    exit (0);
      43  }
      44