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Some improvements, being upstreamed. (must_use_null_useddefaultchar): New

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2007-11-27  Tor Lillqvist  <tml@novell.com>

	* glib/win_iconv.c: Some improvements, being upstreamed.
	(must_use_null_useddefaultchar): New function, checks for those
	codepages for which one must pass a NULL lpUsedDefaultChar pointer
	to WideCharToMultiByte().
	(kernel_wctomb): Use it.
	(kernel_wctomb): Return with E2BIG immediately if bufsize is zero.


svn path=/trunk/; revision=5945
This commit is contained in:
Tor Lillqvist 2007-11-26 22:49:43 +00:00 committed by Tor Lillqvist
parent 007d3ad28a
commit 37f2dc3555
2 changed files with 25 additions and 1 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2007-11-27 Tor Lillqvist <tml@novell.com>
* glib/win_iconv.c: Some improvements, being upstreamed.
(must_use_null_useddefaultchar): New function, checks for those
codepages for which one must pass a NULL lpUsedDefaultChar pointer
to WideCharToMultiByte().
(kernel_wctomb): Use it.
(kernel_wctomb): Return with E2BIG immediately if bufsize is zero.
2007-11-27 Tor Lillqvist <tml@novell.com>
* glib/gutils.c (_glib_get_locale_dir) [Win32]: Use either

17
glib/win_iconv.c
View File

@ -137,6 +137,7 @@ static int name_to_codepage(const char *name);
static uint utf16_to_ucs4(const ushort *wbuf);
static void ucs4_to_utf16(uint wc, ushort *wbuf, int *wbufsize);
static int is_unicode(int codepage);
static int must_use_null_useddefaultchar(int codepage);
static void check_utf_bom(rec_iconv_t *cd, ushort *wbuf, int *wbufsize);
static char *strrstr(const char *str, const char *token);
@ -1001,6 +1002,18 @@ is_unicode(int codepage)
codepage == 65000 || codepage == 65001);
}
static int
must_use_null_useddefaultchar(int codepage)
{
return (codepage == 65000 || codepage == 65001 ||
codepage == 50220 || codepage == 50221 ||
codepage == 50222 || codepage == 50225 ||
codepage == 50227 || codepage == 50229 ||
codepage == 52936 || codepage == 54936 ||
(codepage >= 57002 && codepage <= 57011) ||
codepage == 42);
}
static void
check_utf_bom(rec_iconv_t *cd, ushort *wbuf, int *wbufsize)
{
@ -1269,9 +1282,11 @@ kernel_wctomb(csconv_t *cv, ushort *wbuf, int wbufsize, uchar *buf, int bufsize)
BOOL usedDefaultChar = 0;
int len;
if (bufsize == 0)
return_error(E2BIG);
len = WideCharToMultiByte(cv->codepage, 0,
(const wchar_t *)wbuf, wbufsize, (char *)buf, bufsize, NULL,
(cv->codepage == 65000 || cv->codepage == 65001) ? NULL : &usedDefaultChar);
must_use_null_useddefaultchar(cv->codepage) ? NULL : &usedDefaultChar);
if (len == 0)
{
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)