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fixed dereferencing type-punned pointer

This commit is contained in:
Frank Morgner 2017-10-28 23:29:50 +02:00
parent 7d0f05b247
commit 10101984da
1 changed files with 3 additions and 4 deletions
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7
src/libopensc/reader-pcsc.c
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@ -1219,11 +1219,10 @@ static void detect_reader_features(sc_reader_t *reader, SCARDHANDLE card_handle)
reader->vendor = strdup((char *) rbuf);
}
rcount = sizeof rbuf;
rcount = sizeof i;
if(gpriv->SCardGetAttrib(card_handle, SCARD_ATTR_VENDOR_IFD_VERSION,
rbuf, &rcount) == SCARD_S_SUCCESS
&& rcount == 4) {
i = *(DWORD *) rbuf;
(u8 *) &i, &rcount) == SCARD_S_SUCCESS
&& rcount == sizeof i) {
reader->version_major = (i >> 24) & 0xFF;
reader->version_minor = (i >> 16) & 0xFF;
}