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ntdll: Implement RtlUnicodeToUTF8N. 

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2019-09-12 18:09:59 +08:00 committed by Alexandre Julliard
parent 65e1ed3480
commit 3b2937f7c7
4 changed files with 67 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
dlls/ntdll/ntdll.spec
View File

@ -980,6 +980,7 @@
@ stdcall RtlUnicodeToMultiByteN(ptr long ptr ptr long)
@ stdcall RtlUnicodeToMultiByteSize(ptr ptr long)
@ stdcall RtlUnicodeToOemN(ptr long ptr ptr long)
@ stdcall RtlUnicodeToUTF8N(ptr long ptr ptr long)
@ stdcall RtlUniform(ptr)
# @ stub RtlUnlockBootStatusData
@ stdcall RtlUnlockHeap(long)

33
dlls/ntdll/rtlstr.c
View File

@ -908,6 +908,39 @@ NTSTATUS WINAPI RtlUnicodeToOemN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
}
/**************************************************************************
* RtlUnicodeToUTF8N (NTDLL.@)
*
* Converts a Unicode string to a UTF-8 string.
*
* RETURNS
* NTSTATUS code
*/
NTSTATUS WINAPI RtlUnicodeToUTF8N( LPSTR dst, DWORD dstlen, LPDWORD reslen,
LPCWSTR src, DWORD srclen)
{
int ret;
if (!src) return STATUS_INVALID_PARAMETER_4;
if (!reslen) return STATUS_INVALID_PARAMETER;
if (dst && (srclen & 1)) return STATUS_INVALID_PARAMETER_5;
if (!dstlen && dst)
{
char c;
dst = &c;
ret = wine_utf8_wcstombs( 0, src, srclen / sizeof(WCHAR), dst, 1 );
if (ret > 0) ret--;
}
else
ret = wine_utf8_wcstombs( 0, src, srclen / sizeof(WCHAR), dst, dstlen );
if (reslen)
*reslen = (ret >= 0) ? ret : dstlen; /* overflow -> we filled up to dstlen */
if (ret < 0) return STATUS_BUFFER_TOO_SMALL;
return STATUS_SUCCESS;
}
/*
CASE CONVERSIONS
*/

48
dlls/ntdll/tests/rtlstr.c
View File

@ -2055,8 +2055,8 @@ static void utf8_expect_(const unsigned char *out_string, ULONG buflen, ULONG ou
status = pRtlUnicodeToUTF8N(
out_string ? buffer : NULL, buflen, &bytes_out,
in_string, in_bytes);
ok_(__FILE__, line)(status == expect_status, "status = 0x%x\n", status);
ok_(__FILE__, line)(bytes_out == out_bytes, "bytes_out = %u\n", bytes_out);
ok_(__FILE__, line)(status == expect_status, "status 0x%x, expected 0x%x\n", status, expect_status);
ok_(__FILE__, line)(bytes_out == out_bytes, "bytes_out = %u, expected %u\n", bytes_out, out_bytes);
if (out_string)
{
for (i = 0; i < bytes_out; i++)
@ -2082,6 +2082,7 @@ static void test_RtlUnicodeToUTF8N(void)
const WCHAR empty_string[] = { 0 };
const WCHAR test_string[] = { 'A',0,'a','b','c','d','e','f','g',0 };
const WCHAR special_string[] = { 'X',0x80,0xd800,0 };
const ULONG special_string_len[] = { 0, 1, 1, 3, 3, 3, 6, 7 };
const unsigned char special_expected[] = { 'X',0xc2,0x80,0xef,0xbf,0xbd,0 };
unsigned int input_len;
const unsigned int test_count = ARRAY_SIZE(unicode_to_utf8);
@ -2151,25 +2152,33 @@ static void test_RtlUnicodeToUTF8N(void)
length_expect(0, 0, STATUS_SUCCESS);
length_expect(1, 1, STATUS_SUCCESS);
length_expect(2, 3, STATUS_SUCCESS);
todo_wine
{
length_expect(3, 6, STATUS_SOME_NOT_MAPPED);
length_expect(4, 7, STATUS_SOME_NOT_MAPPED);
}
#undef length_expect
/* output truncation */
#define truncate_expect(buflen, out_bytes, expect_status) \
utf8_expect_(special_expected, buflen, out_bytes, \
special_string, sizeof(special_string), \
expect_status, __LINE__)
for (i = 0; i <= 6; i++)
{
memset(buffer, 0x55, sizeof(buffer));
bytes_out = 0xdeadbeef;
status = pRtlUnicodeToUTF8N(buffer, i, &bytes_out, special_string, sizeof(special_string));
todo_wine_if (i == 4 || i == 5 || i == 6)
ok(status == STATUS_BUFFER_TOO_SMALL, "%d: status = 0x%x\n", i, status);
todo_wine_if (bytes_out != special_string_len[i])
ok(bytes_out == special_string_len[i], "%d: expected %u, got %u\n", i, special_string_len[i], bytes_out);
todo_wine_if (i == 6)
ok(memcmp(buffer, special_expected, special_string_len[i]) == 0, "%d: bad conversion\n", i);
}
truncate_expect(0, 0, STATUS_BUFFER_TOO_SMALL);
truncate_expect(1, 1, STATUS_BUFFER_TOO_SMALL);
truncate_expect(2, 1, STATUS_BUFFER_TOO_SMALL);
truncate_expect(3, 3, STATUS_BUFFER_TOO_SMALL);
truncate_expect(4, 3, STATUS_BUFFER_TOO_SMALL);
truncate_expect(5, 3, STATUS_BUFFER_TOO_SMALL);
truncate_expect(6, 6, STATUS_BUFFER_TOO_SMALL);
truncate_expect(7, 7, STATUS_SOME_NOT_MAPPED);
#undef truncate_expect
status = pRtlUnicodeToUTF8N(buffer, 7, &bytes_out, special_string, sizeof(special_string));
todo_wine
ok(status == STATUS_SOME_NOT_MAPPED, "status = 0x%x\n", status);
todo_wine
ok(bytes_out == special_string_len[7], "expected %u, got %u\n", special_string_len[7], bytes_out);
todo_wine
ok(memcmp(buffer, special_expected, 7) == 0, "bad conversion\n");
/* conversion behavior with varying input length */
for (input_len = 0; input_len <= sizeof(test_string); input_len++) {
@ -2216,15 +2225,19 @@ static void test_RtlUnicodeToUTF8N(void)
status = pRtlUnicodeToUTF8N(
buffer, sizeof(buffer), &bytes_out,
unicode_to_utf8[i].unicode, lstrlenW(unicode_to_utf8[i].unicode) * sizeof(WCHAR));
todo_wine_if(unicode_to_utf8[i].status == STATUS_SOME_NOT_MAPPED)
ok(status == unicode_to_utf8[i].status,
"(test %d): status is 0x%x, expected 0x%x\n",
i, status, unicode_to_utf8[i].status);
todo_wine_if(i == 9 || i == 10 || i == 11)
{
ok(bytes_out == strlen(unicode_to_utf8[i].expected),
"(test %d): bytes_out is %u, expected %u\n",
i, bytes_out, lstrlenA(unicode_to_utf8[i].expected));
ok(!memcmp(buffer, unicode_to_utf8[i].expected, bytes_out),
"(test %d): got \"%.*s\", expected \"%s\"\n",
i, bytes_out, buffer, unicode_to_utf8[i].expected);
}
ok(buffer[bytes_out] == 0x55,
"(test %d): behind string: 0x%x\n", i, buffer[bytes_out]);
@ -2234,6 +2247,8 @@ static void test_RtlUnicodeToUTF8N(void)
status = pRtlUnicodeToUTF8N(
buffer, sizeof(buffer), &bytes_out,
unicode_to_utf8[i].unicode, (lstrlenW(unicode_to_utf8[i].unicode) + 1) * sizeof(WCHAR));
todo_wine_if(i == 9 || i == 10 || i == 11)
{
ok(status == unicode_to_utf8[i].status,
"(test %d): status is 0x%x, expected 0x%x\n",
i, status, unicode_to_utf8[i].status);
@ -2243,6 +2258,7 @@ static void test_RtlUnicodeToUTF8N(void)
ok(!memcmp(buffer, unicode_to_utf8[i].expected, bytes_out),
"(test %d): got \"%.*s\", expected \"%s\"\n",
i, bytes_out, buffer, unicode_to_utf8[i].expected);
}
ok(buffer[bytes_out] == 0x55,
"(test %d): behind string: 0x%x\n", i, buffer[bytes_out]);
}

1
include/winternl.h
View File

@ -2863,6 +2863,7 @@ NTSYSAPI NTSTATUS WINAPI RtlUnicodeStringToOemString(POEM_STRING,PCUNICODE_STRI
NTSYSAPI NTSTATUS WINAPI RtlUnicodeToMultiByteN(LPSTR,DWORD,LPDWORD,LPCWSTR,DWORD);
NTSYSAPI NTSTATUS WINAPI RtlUnicodeToMultiByteSize(PULONG,PCWSTR,ULONG);
NTSYSAPI NTSTATUS WINAPI RtlUnicodeToOemN(LPSTR,DWORD,LPDWORD,LPCWSTR,DWORD);
NTSYSAPI NTSTATUS WINAPI RtlUnicodeToUTF8N(LPSTR,DWORD,LPDWORD,LPCWSTR,DWORD);
NTSYSAPI ULONG WINAPI RtlUniform(PULONG);
NTSYSAPI BOOLEAN WINAPI RtlUnlockHeap(HANDLE);
NTSYSAPI void WINAPI RtlUnwind(PVOID,PVOID,PEXCEPTION_RECORD,PVOID);