_vsnprintf.c File Reference

#include <apitest.h>
#include <stdio.h>
#include <tchar.h>
#include <pseh/pseh2.h>
#include <ndk/mmfuncs.h>
#include <ndk/rtlfuncs.h>

Include dependency graph for _vsnprintf.c:

Go to the source code of this file.

Macros
#define	WIN32_NO_STATUS
#define	_vsnprintf   p_vsnprintf

Typedefs
typedef int(__cdecl *	PFN_vsnprintf) (char *buf, size_t cnt, const char *fmt, va_list args)

Functions
static BOOL	Init (void)
static void	call_varargs (char *buf, size_t buf_size, int expected_ret, LPCSTR formatString,...)
	START_TEST (_vsnprintf)

Variables
static PFN_vsnprintf	p_vsnprintf

Macro Definition Documentation

_vsnprintf

#define _vsnprintf   p_vsnprintf

Definition at line 28 of file _vsnprintf.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 9 of file _vsnprintf.c.

Typedef Documentation

PFN_vsnprintf

typedef int(__cdecl * PFN_vsnprintf) (char *buf, size_t cnt, const char *fmt, va_list args)

Definition at line 18 of file _vsnprintf.c.

Function Documentation

call_varargs()

static void call_varargs ( char *  buf, size_t  buf_size, int  expected_ret, LPCSTR  formatString,   ...  )

static

Definition at line 32 of file _vsnprintf.c.

{
    va_list args;
    int ret;
    /* Test the basic functionality */
    va_start(args, formatString);
    ret = _vsnprintf(buf, buf_size, formatString, args);
    va_end(args);
    ok(expected_ret == ret, "Test failed for `%s`: expected %i, got %i.\n", formatString, expected_ret, ret);
}

Referenced by START_TEST().

Init()

static BOOL Init ( void  )

static

Definition at line 21 of file _vsnprintf.c.

{
    HMODULE hdll = LoadLibraryA(TEST_DLL_NAME);
    p_vsnprintf = (PFN_vsnprintf)GetProcAddress(hdll, "_vsnprintf");
    ok(p_vsnprintf != NULL, "Failed to load _vsnprintf from %s\n", TEST_DLL_NAME);
    return (p_vsnprintf != NULL);
}

Referenced by START_TEST().

START_TEST()

START_TEST

(

_vsnprintf

)

Definition at line 43 of file _vsnprintf.c.

{
    char buffer[255];
 
#ifndef TEST_STATIC_CRT
    if (!Init())
    {
        skip("Skipping tests, because _vsnprintf is not available\n");
        return;
    }
#endif
 
    /* Here you can mix wide and ANSI strings */
    call_varargs(buffer, 255, 12, "%S world!", L"hello");
    call_varargs(buffer, 255, 12, "%s world!", "hello");
    call_varargs(buffer, 255, 11, "%u cookies", 100);
 
    StartSeh()
#if defined(TEST_CRTDLL)||defined(TEST_USER32)
        call_varargs(NULL, INT_MAX, -1, "%s it really work?", "does");
#else
        if (GetNTVersion() >= _WIN32_WINNT_VISTA)
            call_varargs(NULL, INT_MAX, -1, "%s it really work?", "does");
        else
            call_varargs(NULL, INT_MAX, 20, "%s it really work?", "does");
#endif
 
#if defined(TEST_CRTDLL)||defined(TEST_USER32)
    EndSeh(STATUS_ACCESS_VIOLATION);
#else
    EndSeh(STATUS_SUCCESS);
#endif
 
#if defined(TEST_USER32)
    ok_eq_uint(errno, EINVAL);
#elif defined(TEST_NTDLL) || defined(TEST_CRTDLL)
    ok_eq_uint(errno, 0);
#else
    if (GetNTVersion() >= _WIN32_WINNT_VISTA)
        ok_eq_uint(errno, ERROR_BAD_COMMAND);
    else
        ok_eq_uint(errno, 0);
#endif
 
    /* This one is no better */
    StartSeh()
#if defined(TEST_CRTDLL)||defined(TEST_USER32)
        call_varargs(NULL, 0, -1, "%s it really work?", "does");
#else
        call_varargs(NULL, 0, 20, "%s it really work?", "does");
#endif
 
#if defined(TEST_USER32)
    EndSeh(STATUS_ACCESS_VIOLATION);
#else
    EndSeh(STATUS_SUCCESS);
#endif
 
#if defined(TEST_USER32)
    ok_eq_uint(errno, EINVAL);
#elif defined(TEST_NTDLL) || defined(TEST_CRTDLL)
    ok_eq_uint(errno, 0);
#else
    if (GetNTVersion() >= _WIN32_WINNT_VISTA)
        ok_eq_uint(errno, ERROR_BAD_COMMAND);
    else
        ok_eq_uint(errno, 0);
#endif
 
    /* One more NULL checks */
    StartSeh()
        call_varargs(buffer, 255, -1, NULL);
#if defined(TEST_CRTDLL)
    EndSeh(STATUS_ACCESS_VIOLATION);
#else
    EndSeh((GetNTVersion() >= _WIN32_WINNT_VISTA) ? 0 : STATUS_ACCESS_VIOLATION);
#endif
 
#if defined(TEST_USER32)
    ok_eq_uint(errno, EINVAL);
#elif defined(TEST_NTDLL) || defined(TEST_CRTDLL)
    ok_eq_uint(errno, 0);
#else
    if (GetNTVersion() >= _WIN32_WINNT_VISTA)
        ok_eq_uint(errno, ERROR_BAD_COMMAND);
    else
        ok_eq_uint(errno, 0);
#endif
}

Variable Documentation

p_vsnprintf

PFN_vsnprintf p_vsnprintf

static

Definition at line 19 of file _vsnprintf.c.

Referenced by Init().