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bss_file.c: refine UTF8 logic.

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PR: 2382
This commit is contained in:
Andy Polyakov 2010-12-11 14:53:14 +00:00
parent ef3026a325
commit 05e4fbf801
1 changed files with 9 additions and 3 deletions
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12
crypto/bio/bss_file.c
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@ -123,6 +123,7 @@ BIO *BIO_new_file(const char *filename, const char *mode)
#if defined(_WIN32) && defined(CP_UTF8)
int sz, len_0 = (int)strlen(filename)+1;
DWORD flags;
/*
* Basically there are three cases to cover: a) filename is
@ -136,17 +137,22 @@ BIO *BIO_new_file(const char *filename, const char *mode)
* ERROR_NO_UNICODE_TRANSLATION, in which case we fall
* back to fopen...
*/
if ((sz=MultiByteToWideChar(CP_UTF8,MB_ERR_INVALID_CHARS,
if ((sz=MultiByteToWideChar(CP_UTF8,(flags=MB_ERR_INVALID_CHARS),
filename,len_0,NULL,0))>0 ||
(GetLastError()==ERROR_INVALID_FLAGS &&
(sz=MultiByteToWideChar(CP_UTF8,(flags=0),
filename,len_0,NULL,0))>0)
)
{
WCHAR wmode[8];
WCHAR *wfilename = _alloca(sz*sizeof(WCHAR));
if (MultiByteToWideChar(CP_UTF8,MB_ERR_INVALID_CHARS,
if (MultiByteToWideChar(CP_UTF8,flags,
filename,len_0,wfilename,sz) &&
MultiByteToWideChar(CP_UTF8,0,mode,strlen(mode)+1,
wmode,sizeof(wmode)/sizeof(wmode[0])) &&
(file=_wfopen(wfilename,wmode))==NULL && errno==ENOENT
(file=_wfopen(wfilename,wmode))==NULL &&
(errno==ENOENT || errno==EBADF)
) /* UTF-8 decode succeeded, but no file, filename
* could still have been locale-ized... */
file = fopen(filename,mode);