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msvcrt: Fix error handling in _mbslwr_s_l.

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This commit is contained in:
Piotr Caban 2022-10-19 13:44:53 +02:00 committed by Alexandre Julliard
parent 25bbc7e996
commit c54e0d93d9
2 changed files with 7 additions and 10 deletions
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15
dlls/msvcrt/mbcs.c
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@ -2114,15 +2114,12 @@ unsigned char* CDECL _mbslwr(unsigned char* s)
*/
int CDECL _mbslwr_s_l(unsigned char* s, size_t len, _locale_t locale)
{
unsigned char *p = s;
if (!s && !len)
{
return 0;
}
else if (!s || !len)
{
*_errno() = EINVAL;
if (!MSVCRT_CHECK_PMT(s && len))
return EINVAL;
}
if (get_mbcinfo()->ismbcodepage)
{
@ -2145,12 +2142,12 @@ int CDECL _mbslwr_s_l(unsigned char* s, size_t len, _locale_t locale)
*s = _tolower_l(*s, locale);
}
if (*s)
if (!MSVCRT_CHECK_PMT(len))
{
*s = '\0';
*_errno() = EINVAL;
*p = 0;
return EINVAL;
}
*s = 0;
return 0;
}

2
dlls/msvcrt/tests/string.c
View file

@ -2944,7 +2944,7 @@ static void test__mbslwr_s(void)
memcpy(buffer, "ABCDEFGH", sizeof("ABCDEFGH"));
errno = EBADF;
ret = p_mbslwr_s(buffer, 4);
ret = p_mbslwr_s(buffer, sizeof("ABCDEFGH") - 1);
ok(ret == EINVAL, "Expected _mbslwr_s to return EINVAL, got %d\n", ret);
ok(errno == EINVAL, "Expected errno to be EINVAL, got %d\n", errno);