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Update RtlIsTextUnicode, ntdll rtlstr winetest failure down by 10, one remaining

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svn path=/trunk/; revision=38051
This commit is contained in:
Gregor Schneider 2008-12-13 21:22:07 +00:00
parent 681e0e0b24
commit d7b72f79a2
1 changed files with 36 additions and 8 deletions
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44
reactos/lib/rtl/unicode.c
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@ -15,6 +15,8 @@
#define NDEBUG
#include <debug.h>
#include <wine/unicode.h>
/* GLOBALS *******************************************************************/
extern BOOLEAN NlsMbCodePageTag;
@ -1059,10 +1061,12 @@ BOOLEAN
NTAPI
RtlIsTextUnicode( PVOID buf, INT len, INT *pf )
{
static const WCHAR std_control_chars[] = {'\r','\n','\t',' ',0x3000,0};
static const WCHAR byterev_control_chars[] = {0x0d00,0x0a00,0x0900,0x2000,0};
const WCHAR *s = buf;
int i;
unsigned int flags = ~0U, out_flags = 0;
if (len < sizeof(WCHAR))
{
/* FIXME: MSDN documents IS_TEXT_UNICODE_BUFFER_TOO_SMALL but there is no such thing... */
@ -1077,21 +1081,21 @@ RtlIsTextUnicode( PVOID buf, INT len, INT *pf )
* the output flags. But some of the tests are mutually
* exclusive, so I don't see how you could pass all tests ...
*/
/* Check for an odd length ... pass if even. */
if (len & 1) out_flags |= IS_TEXT_UNICODE_ODD_LENGTH;
if (((char *)buf)[len - 1] == 0)
len--; /* Windows seems to do something like that to avoid e.g. false IS_TEXT_UNICODE_NULL_BYTES */
len /= sizeof(WCHAR);
/* Windows only checks the first 256 characters */
if (len > 256) len = 256;
/* Check for the special byte order unicode marks. */
if (*s == 0xFEFF) out_flags |= IS_TEXT_UNICODE_SIGNATURE;
if (*s == 0xFFFE) out_flags |= IS_TEXT_UNICODE_REVERSE_SIGNATURE;
/* apply some statistical analysis */
if (flags & IS_TEXT_UNICODE_STATISTICS)
{
@ -1104,7 +1108,7 @@ RtlIsTextUnicode( PVOID buf, INT len, INT *pf )
if (stats > len / 2)
out_flags |= IS_TEXT_UNICODE_STATISTICS;
}
/* Check for unicode NULL chars */
if (flags & IS_TEXT_UNICODE_NULL_BYTES)
{
@ -1117,7 +1121,31 @@ RtlIsTextUnicode( PVOID 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;