cpython/Modules/_ctypes/_ctypes_test.c at 3.5 · python/cpython · GitHub

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#include <Python.h>

#ifdef MS_WIN32

#include <windows.h>

#endif

#if defined(MS_WIN32) || defined(__CYGWIN__)

#define EXPORT(x) __declspec(dllexport) x

#else

#define EXPORT(x) x

#endif

/* some functions handy for testing */

EXPORT(int)

_testfunc_cbk_reg_int(int a, int b, int c, int d, int e,

int (*func)(int, int, int, int, int))

{

return func(a*a, b*b, c*c, d*d, e*e);

}

EXPORT(double)

_testfunc_cbk_reg_double(double a, double b, double c, double d, double e,

double (*func)(double, double, double, double, double))

{

return func(a*a, b*b, c*c, d*d, e*e);

}

* This structure should be the same as in test_callbacks.py and the

* method test_callback_large_struct. See issues 17310 and 20160: the

* structure must be larger than 8 bytes long.

typedef struct {

unsigned long first;

unsigned long second;

unsigned long third;

} Test;

EXPORT(void)

_testfunc_cbk_large_struct(Test in, void (*func)(Test))

{

func(in);

}

* See issue 29565. Update a structure passed by value;

* the caller should not see any change.

EXPORT(void)

_testfunc_large_struct_update_value(Test in)

{

((volatile Test *)&in)->first = 0x0badf00d;

((volatile Test *)&in)->second = 0x0badf00d;

((volatile Test *)&in)->third = 0x0badf00d;

}

EXPORT(void)testfunc_array(int values[4])

{

printf("testfunc_array %d %d %d %d\n",

values[0],

values[1],

values[2],

values[3]);

}

EXPORT(long double)testfunc_Ddd(double a, double b)

{

long double result = (long double)(a * b);

printf("testfunc_Ddd(%p, %p)\n", &a, &b);

printf("testfunc_Ddd(%g, %g)\n", a, b);

return result;

}

EXPORT(long double)testfunc_DDD(long double a, long double b)

{

long double result = a * b;

printf("testfunc_DDD(%p, %p)\n", &a, &b);

printf("testfunc_DDD(%Lg, %Lg)\n", a, b);

return result;

}

EXPORT(int)testfunc_iii(int a, int b)

{

int result = a * b;

printf("testfunc_iii(%p, %p)\n", &a, &b);

return result;

}

EXPORT(int)myprintf(char *fmt, ...)

{

int result;

va_list argptr;

va_start(argptr, fmt);

result = vprintf(fmt, argptr);

va_end(argptr);

return result;

}

EXPORT(char *)my_strtok(char *token, const char *delim)

{

return strtok(token, delim);

}

EXPORT(char *)my_strchr(const char *s, int c)

{

return strchr(s, c);

}

EXPORT(double) my_sqrt(double a)

{

return sqrt(a);

}

EXPORT(void) my_qsort(void *base, size_t num, size_t width, int(*compare)(const void*, const void*))

{

qsort(base, num, width, compare);

}

EXPORT(int *) _testfunc_ai8(int a[8])

{

return a;

}

EXPORT(void) _testfunc_v(int a, int b, int *presult)

{

*presult = a + b;

}

EXPORT(int) _testfunc_i_bhilfd(signed char b, short h, int i, long l, float f, double d)

{

/* printf("_testfunc_i_bhilfd got %d %d %d %ld %f %f\n",

b, h, i, l, f, d);

return (int)(b + h + i + l + f + d);

}

EXPORT(float) _testfunc_f_bhilfd(signed char b, short h, int i, long l, float f, double d)

{

/* printf("_testfunc_f_bhilfd got %d %d %d %ld %f %f\n",

b, h, i, l, f, d);

return (float)(b + h + i + l + f + d);

}

EXPORT(double) _testfunc_d_bhilfd(signed char b, short h, int i, long l, float f, double d)

{

/* printf("_testfunc_d_bhilfd got %d %d %d %ld %f %f\n",

b, h, i, l, f, d);

return (double)(b + h + i + l + f + d);

}

EXPORT(long double) _testfunc_D_bhilfD(signed char b, short h, int i, long l, float f, long double d)

{

/* printf("_testfunc_d_bhilfd got %d %d %d %ld %f %f\n",

b, h, i, l, f, d);

return (long double)(b + h + i + l + f + d);

}

EXPORT(char *) _testfunc_p_p(void *s)

{

return (char *)s;

}

EXPORT(void *) _testfunc_c_p_p(int *argcp, char **argv)

{

return argv[(*argcp)-1];

}

EXPORT(void *) get_strchr(void)

{

return (void *)strchr;

}

EXPORT(char *) my_strdup(char *src)

{

char *dst = (char *)malloc(strlen(src)+1);

if (!dst)

return NULL;

strcpy(dst, src);

return dst;

}

EXPORT(void)my_free(void *ptr)

{

free(ptr);

}

#ifdef HAVE_WCHAR_H

EXPORT(wchar_t *) my_wcsdup(wchar_t *src)

{

size_t len = wcslen(src);

wchar_t *ptr = (wchar_t *)malloc((len + 1) * sizeof(wchar_t));

if (ptr == NULL)

return NULL;

memcpy(ptr, src, (len+1) * sizeof(wchar_t));

return ptr;

}

EXPORT(size_t) my_wcslen(wchar_t *src)

{

return wcslen(src);

}

#endif

#ifndef MS_WIN32

# ifndef __stdcall

# define __stdcall /* */

# endif

#endif

typedef struct {

int (*c)(int, int);

int (__stdcall *s)(int, int);

} FUNCS;

EXPORT(int) _testfunc_callfuncp(FUNCS *fp)

{

fp->c(1, 2);

fp->s(3, 4);

return 0;

}

EXPORT(int) _testfunc_deref_pointer(int *pi)

{

return *pi;

}

#ifdef MS_WIN32

EXPORT(int) _testfunc_piunk(IUnknown FAR *piunk)

{

piunk->lpVtbl->AddRef(piunk);

return piunk->lpVtbl->Release(piunk);

}

#endif

EXPORT(int) _testfunc_callback_with_pointer(int (*func)(int *))

{

int table[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

return (*func)(table);

}

#ifdef HAVE_LONG_LONG

EXPORT(PY_LONG_LONG) _testfunc_q_bhilfdq(signed char b, short h, int i, long l, float f,

double d, PY_LONG_LONG q)

{

return (PY_LONG_LONG)(b + h + i + l + f + d + q);

}

EXPORT(PY_LONG_LONG) _testfunc_q_bhilfd(signed char b, short h, int i, long l, float f, double d)

{

return (PY_LONG_LONG)(b + h + i + l + f + d);

}

EXPORT(int) _testfunc_callback_i_if(int value, int (*func)(int))

{

int sum = 0;

while (value != 0) {

sum += func(value);

value /= 2;

}

return sum;

}

EXPORT(PY_LONG_LONG) _testfunc_callback_q_qf(PY_LONG_LONG value,

PY_LONG_LONG (*func)(PY_LONG_LONG))

{

PY_LONG_LONG sum = 0;

while (value != 0) {

sum += func(value);

value /= 2;

}

return sum;

}

#endif

typedef struct {

char *name;

char *value;

} SPAM;

typedef struct {

char *name;

int num_spams;

SPAM *spams;

} EGG;

SPAM my_spams[2] = {

{ "name1", "value1" },

{ "name2", "value2" },

};

EGG my_eggs[1] = {

{ "first egg", 1, my_spams }

};

EXPORT(int) getSPAMANDEGGS(EGG **eggs)

{

*eggs = my_eggs;

return 1;

}

typedef struct tagpoint {

int x;

int y;

} point;

EXPORT(int) _testfunc_byval(point in, point *pout)

{

if (pout) {

pout->x = in.x;

pout->y = in.y;

}

return in.x + in.y;

}

EXPORT (int) an_integer = 42;

EXPORT(int) get_an_integer(void)

{

return an_integer;

}

EXPORT(double)

integrate(double a, double b, double (*f)(double), long nstep)

{

double x, sum=0.0, dx=(b-a)/(double)nstep;

for(x=a+0.5*dx; (b-x)*(x-a)>0.0; x+=dx)

sum += f(x);

return sum/(double)nstep;

}

typedef struct {

void (*initialize)(void *(*)(int), void(*)(void *));

} xxx_library;

static void _xxx_init(void *(*Xalloc)(int), void (*Xfree)(void *))

{

void *ptr;

printf("_xxx_init got %p %p\n", Xalloc, Xfree);

printf("calling\n");

ptr = Xalloc(32);

Xfree(ptr);

printf("calls done, ptr was %p\n", ptr);

}

xxx_library _xxx_lib = {

_xxx_init

};

EXPORT(xxx_library) *library_get(void)

{

return &_xxx_lib;

}

#ifdef MS_WIN32

/* See Don Box (german), pp 79ff. */

EXPORT(void) GetString(BSTR *pbstr)

{

*pbstr = SysAllocString(L"Goodbye!");

}

#endif

* Some do-nothing functions, for speed tests

PyObject *py_func_si(PyObject *self, PyObject *args)

{

char *name;

int i;

if (!PyArg_ParseTuple(args, "si", &name, &i))

return NULL;

Py_INCREF(Py_None);

return Py_None;

}

EXPORT(void) _py_func_si(char *s, int i)

{

}

PyObject *py_func(PyObject *self, PyObject *args)

{

Py_INCREF(Py_None);

return Py_None;

}

EXPORT(void) _py_func(void)

{

}

EXPORT(PY_LONG_LONG) last_tf_arg_s;

EXPORT(unsigned PY_LONG_LONG) last_tf_arg_u;

struct BITS {

int A: 1, B:2, C:3, D:4, E: 5, F: 6, G: 7, H: 8, I: 9;

short M: 1, N: 2, O: 3, P: 4, Q: 5, R: 6, S: 7;

};

EXPORT(void) set_bitfields(struct BITS *bits, char name, int value)

{

switch (name) {

case 'A': bits->A = value; break;

case 'B': bits->B = value; break;

case 'C': bits->C = value; break;

case 'D': bits->D = value; break;

case 'E': bits->E = value; break;

case 'F': bits->F = value; break;

case 'G': bits->G = value; break;

case 'H': bits->H = value; break;

case 'I': bits->I = value; break;

case 'M': bits->M = value; break;

case 'N': bits->N = value; break;

case 'O': bits->O = value; break;

case 'P': bits->P = value; break;

case 'Q': bits->Q = value; break;

case 'R': bits->R = value; break;

case 'S': bits->S = value; break;

}

EXPORT(int) unpack_bitfields(struct BITS *bits, char name)

{

switch (name) {

case 'A': return bits->A;

case 'B': return bits->B;

case 'C': return bits->C;

case 'D': return bits->D;

case 'E': return bits->E;

case 'F': return bits->F;

case 'G': return bits->G;

case 'H': return bits->H;

case 'I': return bits->I;

case 'M': return bits->M;

case 'N': return bits->N;

case 'O': return bits->O;

case 'P': return bits->P;

case 'Q': return bits->Q;

case 'R': return bits->R;

case 'S': return bits->S;

}

return 0;

}

static PyMethodDef module_methods[] = {

/* {"get_last_tf_arg_s", get_last_tf_arg_s, METH_NOARGS},

{"get_last_tf_arg_u", get_last_tf_arg_u, METH_NOARGS},

{"func_si", py_func_si, METH_VARARGS},

{"func", py_func, METH_NOARGS},

{ NULL, NULL, 0, NULL},

};

#define S last_tf_arg_s = (PY_LONG_LONG)c

#define U last_tf_arg_u = (unsigned PY_LONG_LONG)c

EXPORT(signed char) tf_b(signed char c) { S; return c/3; }

EXPORT(unsigned char) tf_B(unsigned char c) { U; return c/3; }

EXPORT(short) tf_h(short c) { S; return c/3; }

EXPORT(unsigned short) tf_H(unsigned short c) { U; return c/3; }

EXPORT(int) tf_i(int c) { S; return c/3; }

EXPORT(unsigned int) tf_I(unsigned int c) { U; return c/3; }

EXPORT(long) tf_l(long c) { S; return c/3; }

EXPORT(unsigned long) tf_L(unsigned long c) { U; return c/3; }

EXPORT(PY_LONG_LONG) tf_q(PY_LONG_LONG c) { S; return c/3; }

EXPORT(unsigned PY_LONG_LONG) tf_Q(unsigned PY_LONG_LONG c) { U; return c/3; }

EXPORT(float) tf_f(float c) { S; return c/3; }

EXPORT(double) tf_d(double c) { S; return c/3; }

EXPORT(long double) tf_D(long double c) { S; return c/3; }

#ifdef MS_WIN32

EXPORT(signed char) __stdcall s_tf_b(signed char c) { S; return c/3; }

EXPORT(unsigned char) __stdcall s_tf_B(unsigned char c) { U; return c/3; }

EXPORT(short) __stdcall s_tf_h(short c) { S; return c/3; }

EXPORT(unsigned short) __stdcall s_tf_H(unsigned short c) { U; return c/3; }

EXPORT(int) __stdcall s_tf_i(int c) { S; return c/3; }

EXPORT(unsigned int) __stdcall s_tf_I(unsigned int c) { U; return c/3; }

EXPORT(long) __stdcall s_tf_l(long c) { S; return c/3; }

EXPORT(unsigned long) __stdcall s_tf_L(unsigned long c) { U; return c/3; }

EXPORT(PY_LONG_LONG) __stdcall s_tf_q(PY_LONG_LONG c) { S; return c/3; }

EXPORT(unsigned PY_LONG_LONG) __stdcall s_tf_Q(unsigned PY_LONG_LONG c) { U; return c/3; }

EXPORT(float) __stdcall s_tf_f(float c) { S; return c/3; }

EXPORT(double) __stdcall s_tf_d(double c) { S; return c/3; }

EXPORT(long double) __stdcall s_tf_D(long double c) { S; return c/3; }

#endif

/*******/

EXPORT(signed char) tf_bb(signed char x, signed char c) { S; return c/3; }

EXPORT(unsigned char) tf_bB(signed char x, unsigned char c) { U; return c/3; }

EXPORT(short) tf_bh(signed char x, short c) { S; return c/3; }

EXPORT(unsigned short) tf_bH(signed char x, unsigned short c) { U; return c/3; }

EXPORT(int) tf_bi(signed char x, int c) { S; return c/3; }

EXPORT(unsigned int) tf_bI(signed char x, unsigned int c) { U; return c/3; }

EXPORT(long) tf_bl(signed char x, long c) { S; return c/3; }

EXPORT(unsigned long) tf_bL(signed char x, unsigned long c) { U; return c/3; }

EXPORT(PY_LONG_LONG) tf_bq(signed char x, PY_LONG_LONG c) { S; return c/3; }

EXPORT(unsigned PY_LONG_LONG) tf_bQ(signed char x, unsigned PY_LONG_LONG c) { U; return c/3; }

EXPORT(float) tf_bf(signed char x, float c) { S; return c/3; }

EXPORT(double) tf_bd(signed char x, double c) { S; return c/3; }

EXPORT(long double) tf_bD(signed char x, long double c) { S; return c/3; }

EXPORT(void) tv_i(int c) { S; return; }

#ifdef MS_WIN32

EXPORT(signed char) __stdcall s_tf_bb(signed char x, signed char c) { S; return c/3; }

EXPORT(unsigned char) __stdcall s_tf_bB(signed char x, unsigned char c) { U; return c/3; }

EXPORT(short) __stdcall s_tf_bh(signed char x, short c) { S; return c/3; }

EXPORT(unsigned short) __stdcall s_tf_bH(signed char x, unsigned short c) { U; return c/3; }

EXPORT(int) __stdcall s_tf_bi(signed char x, int c) { S; return c/3; }

EXPORT(unsigned int) __stdcall s_tf_bI(signed char x, unsigned int c) { U; return c/3; }

EXPORT(long) __stdcall s_tf_bl(signed char x, long c) { S; return c/3; }

EXPORT(unsigned long) __stdcall s_tf_bL(signed char x, unsigned long c) { U; return c/3; }

EXPORT(PY_LONG_LONG) __stdcall s_tf_bq(signed char x, PY_LONG_LONG c) { S; return c/3; }

EXPORT(unsigned PY_LONG_LONG) __stdcall s_tf_bQ(signed char x, unsigned PY_LONG_LONG c) { U; return c/3; }

EXPORT(float) __stdcall s_tf_bf(signed char x, float c) { S; return c/3; }

EXPORT(double) __stdcall s_tf_bd(signed char x, double c) { S; return c/3; }

EXPORT(long double) __stdcall s_tf_bD(signed char x, long double c) { S; return c/3; }

EXPORT(void) __stdcall s_tv_i(int c) { S; return; }

#endif

/********/

#ifndef MS_WIN32

typedef struct {

long x;

long y;

} POINT;

typedef struct {

long left;

long top;

long right;

long bottom;

} RECT;

#endif

EXPORT(int) PointInRect(RECT *prc, POINT pt)

{

if (pt.x < prc->left)

return 0;

if (pt.x > prc->right)

return 0;

if (pt.y < prc->top)

return 0;

if (pt.y > prc->bottom)

return 0;

return 1;

}

EXPORT(long left = 10);

EXPORT(long top = 20);

EXPORT(long right = 30);

EXPORT(long bottom = 40);

EXPORT(RECT) ReturnRect(int i, RECT ar, RECT* br, POINT cp, RECT dr,

RECT *er, POINT fp, RECT gr)

{

/*Check input */

if (ar.left + br->left + dr.left + er->left + gr.left != left * 5)

{

ar.left = 100;

return ar;

}

if (ar.right + br->right + dr.right + er->right + gr.right != right * 5)

{

ar.right = 100;

return ar;

}

if (cp.x != fp.x)

{

ar.left = -100;

}

if (cp.y != fp.y)

{

ar.left = -200;

}

switch(i)

{

case 0:

return ar;

break;

case 1:

return dr;

break;

case 2:

return gr;

break;

}

return ar;

}

typedef struct {

short x;

short y;

} S2H;

EXPORT(S2H) ret_2h_func(S2H inp)

{

inp.x *= 2;

inp.y *= 3;

return inp;

}

typedef struct {

int a, b, c, d, e, f, g, h;

} S8I;

EXPORT(S8I) ret_8i_func(S8I inp)

{

inp.a *= 2;

inp.b *= 3;

inp.c *= 4;

inp.d *= 5;

inp.e *= 6;

inp.f *= 7;

inp.g *= 8;

inp.h *= 9;

return inp;

}

EXPORT(int) GetRectangle(int flag, RECT *prect)

{

if (flag == 0)

return 0;

prect->left = (int)flag;

prect->top = (int)flag + 1;

prect->right = (int)flag + 2;

prect->bottom = (int)flag + 3;

return 1;

}

EXPORT(void) TwoOutArgs(int a, int *pi, int b, int *pj)

{

*pi += a;

*pj += b;

}

#ifdef MS_WIN32

EXPORT(S2H) __stdcall s_ret_2h_func(S2H inp) { return ret_2h_func(inp); }

EXPORT(S8I) __stdcall s_ret_8i_func(S8I inp) { return ret_8i_func(inp); }

#endif

#ifdef MS_WIN32

/* Should port this */

#include <stdlib.h>

#include <search.h>

EXPORT (HRESULT) KeepObject(IUnknown *punk)

{

static IUnknown *pobj;

if (punk)

punk->lpVtbl->AddRef(punk);

if (pobj)

pobj->lpVtbl->Release(pobj);

pobj = punk;

return S_OK;

}

#endif

static struct PyModuleDef _ctypes_testmodule = {

PyModuleDef_HEAD_INIT,

"_ctypes_test",

NULL,

-1,

module_methods,

NULL,

NULL

};

PyMODINIT_FUNC

PyInit__ctypes_test(void)

{

return PyModule_Create(&_ctypes_testmodule);

}

cpython/Modules/_ctypes/_ctypes_test.c at 3.5 · python/cpython · GitHub

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