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ntdll: Implement checking for control characters in RtlIsTextUnicode.

This commit is contained in:
Zac Brown 2008-06-30 09:46:38 -07:00 committed by Alexandre Julliard
parent 456326281d
commit 8f3ae2011c
2 changed files with 31 additions and 16 deletions
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26
dlls/ntdll/rtlstr.c
View File

@ -1592,6 +1592,8 @@ NTSTATUS WINAPI RtlFindCharInUnicodeString(
*/
BOOLEAN WINAPI RtlIsTextUnicode( LPCVOID buf, INT len, INT *pf )
{
static const WCHAR std_control_chars[] = {'\r','\n','\t',' ',0x3000,0};
static const WCHAR byterev_control_chars[] = {0x0d00,0x0a00,0x0900,0x2000,0x0030,0};
const WCHAR *s = buf;
int i;
unsigned int flags = ~0U, out_flags = 0;
@ -1651,6 +1653,30 @@ BOOLEAN WINAPI RtlIsTextUnicode( LPCVOID buf, INT len, INT *pf )
}
}
if (flags & IS_TEXT_UNICODE_CONTROLS)
{
for (i = 0; i < len; i++)
{
if (strchrW(std_control_chars, s[i]))
{
out_flags |= IS_TEXT_UNICODE_CONTROLS;
break;
}
}
}
if (flags & IS_TEXT_UNICODE_REVERSE_CONTROLS)
{
for (i = 0; i < len; i++)
{
if (strchrW(byterev_control_chars, s[i]))
{
out_flags |= IS_TEXT_UNICODE_REVERSE_CONTROLS;
break;
}
}
}
if (pf)
{
out_flags &= *pf;

13
dlls/ntdll/tests/rtlstr.c
View File

@ -1693,7 +1693,6 @@ static void test_RtlIsTextUnicode(void)
flags = IS_TEXT_UNICODE_UNICODE_MASK;
ok(pRtlIsTextUnicode(unicode, sizeof(unicode), &flags), "Text should not pass a Unicode\n");
todo_wine
ok(flags == (IS_TEXT_UNICODE_STATISTICS | IS_TEXT_UNICODE_CONTROLS),
"Expected flags 0x6, obtained %x\n", flags);
@ -1712,7 +1711,7 @@ static void test_RtlIsTextUnicode(void)
be_unicode[i + 1] = (unicode[i] >> 8) | ((unicode[i] & 0xff) << 8);
}
ok(!pRtlIsTextUnicode(be_unicode, sizeof(unicode) + 2, NULL), "Reverse endian should not be Unicode\n");
todo_wine ok(!pRtlIsTextUnicode(&be_unicode[1], sizeof(unicode), NULL), "Reverse endian should not be Unicode\n");
ok(!pRtlIsTextUnicode(&be_unicode[1], sizeof(unicode), NULL), "Reverse endian should not be Unicode\n");
flags = IS_TEXT_UNICODE_REVERSE_MASK;
ok(!pRtlIsTextUnicode(&be_unicode[1], sizeof(unicode), &flags), "Reverse endian should be Unicode\n");
@ -1722,7 +1721,6 @@ static void test_RtlIsTextUnicode(void)
flags = IS_TEXT_UNICODE_REVERSE_MASK;
ok(!pRtlIsTextUnicode(be_unicode, sizeof(unicode) + 2, &flags), "Reverse endian should be Unicode\n");
todo_wine
ok(flags == (IS_TEXT_UNICODE_REVERSE_CONTROLS | IS_TEXT_UNICODE_REVERSE_SIGNATURE),
"Expected flags 0xc0, obtained %x\n", flags);
@ -1750,11 +1748,8 @@ static void test_RtlIsTextUnicode(void)
ok(flags == 0, "Expected flags 0x0, obtained %x\n", flags);
flags = IS_TEXT_UNICODE_CONTROLS;
todo_wine
{
ok(pRtlIsTextUnicode(unicode, sizeof(unicode), &flags), "Test should pass on Unicode string lacking control characters.\n");
ok(flags == IS_TEXT_UNICODE_CONTROLS, "Expected flags 0x04, obtained %x\n", flags);
}
flags = IS_TEXT_UNICODE_CONTROLS;
ok(!pRtlIsTextUnicode(be_unicode_no_controls, sizeof(unicode_no_controls) + 2, &flags),
@ -1762,11 +1757,8 @@ static void test_RtlIsTextUnicode(void)
ok(flags == 0, "Expected flags 0x0, obtained %x\n", flags);
flags = IS_TEXT_UNICODE_CONTROLS;
todo_wine
{
ok(pRtlIsTextUnicode(mixed_controls, sizeof(mixed_controls), &flags), "Test should pass on a string containing control characters.\n");
ok(flags == IS_TEXT_UNICODE_CONTROLS, "Expected flags 0x04, obtained %x\n", flags);
}
/* Test IS_TEXT_UNICODE_REVERSE_CONTROLS flag */
flags = IS_TEXT_UNICODE_REVERSE_CONTROLS;
@ -1784,18 +1776,15 @@ static void test_RtlIsTextUnicode(void)
flags = IS_TEXT_UNICODE_REVERSE_CONTROLS;
ok(!pRtlIsTextUnicode(be_unicode, sizeof(unicode) + 2, &flags),
"Test should pass with byte-reversed Unicode string containing control characters.\n");
todo_wine
ok(flags == IS_TEXT_UNICODE_REVERSE_CONTROLS, "Expected flags 0x40, obtained %x\n", flags);
flags = IS_TEXT_UNICODE_REVERSE_CONTROLS;
ok(!pRtlIsTextUnicode(mixed_controls, sizeof(mixed_controls), &flags), "Test should pass on a string containing byte-reversed control characters.\n");
todo_wine
ok(flags == IS_TEXT_UNICODE_REVERSE_CONTROLS, "Expected flags 0x40, obtained %x\n", flags);
/* Test with flags for both byte-reverse and standard Unicode characters */
flags = IS_TEXT_UNICODE_CONTROLS | IS_TEXT_UNICODE_REVERSE_CONTROLS;
ok(!pRtlIsTextUnicode(mixed_controls, sizeof(mixed_controls), &flags), "Test should pass on string containing both byte-reversed and standard control characters.\n");
todo_wine
ok(flags == (IS_TEXT_UNICODE_CONTROLS | IS_TEXT_UNICODE_REVERSE_CONTROLS), "Expected flags 0x44, obtained %x\n", flags);
HeapFree(GetProcessHeap(), 0, be_unicode);