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/*------------------------------------------------------------------
* test_snwprintf_s
* File 'snwprintf_s.c'
* Lines executed:81.48% of 54
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#include <stdlib.h>
#include <stdarg.h>
#define LEN (128)
static wchar_t str1[LEN];
static wchar_t str2[LEN];
int test_snwprintf_s(void);
int test_snwprintf_s(void) {
errno_t rc;
int32_t ind;
size_t len2;
size_t len3;
#ifndef __APPLE__
wchar_t *wstr3;
#endif
int errs = 0;
/*--------------------------------------------------*/
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("dest overflow")
rc = snwprintf_s(str1, RSIZE_MAX_WSTR + 1, L"%ls", str2);
NEGERR(ESLEMAX)
EXPECT_BOS("empty fmt")
rc = snwprintf_s(str1, LEN, NULL);
NEGERR(ESNULLP)
EXPECT_BOS("empty dest") EXPECT_BOS("empty dest or dmax")
rc = snwprintf_s(NULL, 0, L"%ls", str2);
NEGERR(ESNULLP)
EXPECT_BOS("empty dest or dmax")
rc = snwprintf_s(str1, 0, L"%ls", str2);
NEGERR(ESZEROL)
/* only with c99 __VA_ARGS__ we can pass destbos */
#ifdef SAFECLIB_HAVE_C99
if (_BOS_KNOWN(str1)) {
EXPECT_BOS("dest overflow")
rc = snwprintf_s(str1, LEN + 1, L"%ls", str2);
NEGERR(EOVERFLOW); /* dmax exceeds dest */
WCHECK_SLACK(str1, LEN); /* cleared */
}
#endif
#endif
/*--------------------------------------------------*/
str2[0] = '\0';
rc = snwprintf_s(str1, LEN, L"%s %n", str2, &ind);
NEGERR(EINVAL)
rc = snwprintf_s(str1, LEN, L"%s %%n", str2);
ERR(3)
rc = snwprintf_s(str1, LEN, L"%%n");
ERR(2);
/*--------------------------------------------------*/
/* TODO
rc = snwprintf_s(str1, LEN, L"%s", NULL);
NEGERR(ESNULLP)
*/
/*--------------------------------------------------*/
wcscpy(str1, L"aaaaaaaaaa");
wcscpy(str2, L"keep it simple");
len2 = wcslen(str2);
rc = snwprintf_s(str1, 50, L"%ls", str2);
ERR((errno_t)len2)
len3 = wcslen(str1);
if (len3 != len2) {
#ifdef DEBUG
size_t len1 = wcslen(str1);
debug_printf("%s %u lengths wrong: %d %d %d\n", __FUNCTION__,
__LINE__, (int)len1, (int)len2, (int)len3);
#endif
errs++;
}
/*--------------------------------------------------*/
wcscpy(str1, L"123456");
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, 1, L"%ls", str2);
NOERRNULL() /* no ENOSPC */
/* but truncated, written only 1, the \0 */
WEXPSTR(str1, L"");
if ((ind = wmemcmp(str1, L"\00023456\000", 7))) {
debug_printf("%s %u snwprintf_s truncation: %d L\"\\x%x%ls\"\n",
__FUNCTION__, __LINE__, ind, str1[0], &str1[1]);
errs++;
}
/*--------------------------------------------------*/
wcscpy(str1, L"123456");
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, 2, L"%ls", str2);
NOERRNULL() /* no ENOSPC */
/* but truncated, written only 2, k\0 */
WEXPSTR(str1, L"k");
if ((ind = wmemcmp(str1, L"k\0003456\000", 7))) {
debug_printf("%s %u snwprintf_s truncation: %d L\"\\x%x%ls\"\n",
__FUNCTION__, __LINE__, ind, str1[0], &str1[1]);
errs++;
}
/*--------------------------------------------------*/
str1[0] = '\0';
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, 1, L"%ls", str2);
NOERR() /* truncation */
WEXPNULL(str1)
str1[0] = '\0';
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, 2, L"%ls", str2);
NOERR() /* truncation */
WEXPSTR(str1, L"k");
/*--------------------------------------------------*/
str1[0] = '\0';
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, 20, L"%ls", str2);
NOERR()
WEXPSTR(str1, str2)
/*--------------------------------------------------*/
str1[0] = '\0';
str2[0] = '\0';
rc = snwprintf_s(str1, LEN, L"%ls", str2);
ERR(0)
WEXPNULL(str1)
/*--------------------------------------------------*/
str1[0] = '\0';
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, LEN, L"%ls", str2);
NOERR()
WEXPSTR(str1, str2)
/*--------------------------------------------------*/
wcscpy(str1, L"qqweqq");
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, LEN, L"%ls", str2);
NOERR()
WEXPSTR(str1, str2)
/*--------------------------------------------------*/
wcscpy(str1, L"1234");
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, 12, L"%ls", str2);
NOERR() /* truncation */
WEXPSTR(str1, L"keep it sim")
/*--------------------------------------------------*/
wcscpy(str1, L"1234");
wcscpy(str2, L"keep it simple");
rc = snwprintf_s(str1, 52, L"%ls", str2);
NOERR()
WEXPSTR(str1, str2)
/*--------------------------------------------------*/
wcscpy(str1, L"12345678901234567890");
rc = snwprintf_s(str1, 8, L"%ls", &str1[7]);
NOERR() /* truncation */
WEXPSTR(str1, L"8901234")
/*--------------------------------------------------*/
wcscpy(str1, L"123456789");
rc = snwprintf_s(str1, 9, L"%ls", &str1[8]);
ERR(1) /* overlapping allowed */
WEXPSTR(str1, L"9")
/*--------------------------------------------------*/
wcscpy(str2, L"123");
wcscpy(str1, L"keep it simple");
rc = snwprintf_s(str2, 31, L"%ls", &str1[0]);
NOERR()
WEXPSTR(str2, L"keep it simple");
/*--------------------------------------------------*/
wcscpy(str2, L"1234");
wcscpy(str1, L"56789");
rc = snwprintf_s(str2, 10, L"%ls", str1);
NOERR()
WEXPSTR(str2, L"56789")
/*--------------------------------------------------*/
#ifndef __APPLE__
/* This crashes on darwin in vswprintf_l() */
rc = snwprintf_s(str1, 10, L"%vls", str2);
#if defined(__GLIBC__) || defined(BSD_OR_WINDOWS_LIKE)
/* they print unknown formats verbatim */
NOERR();
#else /* musl and darwin disallow this */
ERR(-1);
/* darwin throws Illegal byte sequence */
WEXPNULL(str1);
#endif
/* not the fast stack-branch */
wstr3 = (wchar_t *)malloc(513 * sizeof(wchar_t));
rc = snwprintf_s(wstr3, 513, L"%vls", str1);
#if defined(__GLIBC__) || defined(BSD_OR_WINDOWS_LIKE)
/* they print unknown formats verbatim */
NOERR();
free(wstr3);
#else /* musl and darwin disallow this */
ERR(-1);
WEXPNULL(str1)
/* musl crashes on free() */
#endif
#endif
/*--------------------------------------------------*/
return (errs);
}
#ifndef __KERNEL__
/* simple hack to get this to work for both userspace and Linux kernel,
until a better solution can be created. */
int main(void) { return (test_snwprintf_s()); }
#endif
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