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;
+ DWORD flags;
- if ((file=fopen(filename,mode)) == NULL)
+ /*
+ * 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,(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,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 || errno==EBADF)
+ ) /* 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,"')");
BIO_clear_flags(b,BIO_FLAGS_UPLINK);
#endif
#endif
-#ifdef UP_fsetmode
+#ifdef UP_fsetmod
if (b->flags&BIO_FLAGS_UPLINK)
- UP_fsetmode(b->ptr,num&BIO_FP_TEXT?'t':'b');
+ UP_fsetmod(b->ptr,(char)((num&BIO_FP_TEXT)?'t':'b'));
else
#endif
{
#if defined(OPENSSL_SYS_WINDOWS)
- int fd = fileno((FILE*)ptr);
+ int fd = _fileno((FILE*)ptr);
if (num & BIO_FP_TEXT)
_setmode(fd,_O_TEXT);
else
buf[0]='\0';
if (bp->flags&BIO_FLAGS_UPLINK)
- UP_fgets(buf,size,bp->ptr);
+ {
+ if (!UP_fgets(buf,size,bp->ptr))
+ goto err;
+ }
else
- fgets(buf,size,(FILE *)bp->ptr);
+ {
+ if (!fgets(buf,size,(FILE *)bp->ptr))
+ goto err;
+ }
if (buf[0] != '\0')
ret=strlen(buf);
+ err:
return(ret);
}