diff options
Diffstat (limited to 'openssl/crypto/bio/bss_file.c')
| -rw-r--r-- | openssl/crypto/bio/bss_file.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/openssl/crypto/bio/bss_file.c b/openssl/crypto/bio/bss_file.c index ba4f8e994..8bfa0bcd9 100644 --- a/openssl/crypto/bio/bss_file.c +++ b/openssl/crypto/bio/bss_file.c @@ -118,10 +118,47 @@ static BIO_METHOD methods_filep= BIO *BIO_new_file(const char *filename, const char *mode) { - BIO *ret; - FILE *file; + BIO *ret; + FILE *file=NULL; + +#if defined(_WIN32) && defined(CP_UTF8) + int sz, len_0 = (int)strlen(filename)+1; + + /* + * Basically there are three cases to cover: a) filename is + * pure ASCII string; b) actual UTF-8 encoded string and + * c) locale-ized string, i.e. one containing 8-bit + * characters that are meaningful in current system locale. + * If filename is pure ASCII or real UTF-8 encoded string, + * MultiByteToWideChar succeeds and _wfopen works. If + * filename is locale-ized string, chances are that + * MultiByteToWideChar fails reporting + * ERROR_NO_UNICODE_TRANSLATION, in which case we fall + * back to fopen... + */ + if ((sz=MultiByteToWideChar(CP_UTF8,MB_ERR_INVALID_CHARS, + filename,len_0,NULL,0))>0) + { + WCHAR wmode[8]; + WCHAR *wfilename = _alloca(sz*sizeof(WCHAR)); - if ((file=fopen(filename,mode)) == NULL) + if (MultiByteToWideChar(CP_UTF8,MB_ERR_INVALID_CHARS, + 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 + ) /* UTF-8 decode succeeded, but no file, filename + * could still have been locale-ized... */ + file = fopen(filename,mode); + } + else if (GetLastError()==ERROR_NO_UNICODE_TRANSLATION) + { + file = fopen(filename,mode); + } +#else + file=fopen(filename,mode); +#endif + if (file == NULL) { SYSerr(SYS_F_FOPEN,get_last_sys_error()); ERR_add_error_data(5,"fopen('",filename,"','",mode,"')"); |