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src/java.smartcardio/share/native/libj2pcsc/pcsc.c

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rev 50999 : 8207233: Minor improvements of jdk C-coding
   1 /*
   2  * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 175     free(tab);
 176     return result;
 177 }
 178 
 179 JNIEXPORT jobjectArray JNICALL Java_sun_security_smartcardio_PCSC_SCardListReaders
 180     (JNIEnv *env, jclass thisClass, jlong jContext)
 181 {
 182     SCARDCONTEXT context = (SCARDCONTEXT)jContext;
 183     LONG rv;
 184     LPTSTR mszReaders = NULL;
 185     DWORD size = 0;
 186     jobjectArray result;
 187 
 188     dprintf1("-context: %x\n", context);
 189     rv = CALL_SCardListReaders(context, NULL, NULL, &size);
 190     if (handleRV(env, rv)) {
 191         return NULL;
 192     }
 193     dprintf1("-size: %d\n", size);
 194 
 195     if (size) {
 196         mszReaders = malloc(size);
 197         if (mszReaders == NULL) {
 198             throwOutOfMemoryError(env, NULL);
 199             return NULL;
 200         }
 201 
 202         rv = CALL_SCardListReaders(context, NULL, mszReaders, &size);
 203         if (handleRV(env, rv)) {
 204             free(mszReaders);
 205             return NULL;
 206         }
 207         dprintf1("-String: %s\n", mszReaders);


 208     }
 209 
 210     result = pcsc_multi2jstring(env, mszReaders);
 211     free(mszReaders);
 212     return result;
 213 }
 214 
 215 JNIEXPORT jlong JNICALL Java_sun_security_smartcardio_PCSC_SCardConnect
 216     (JNIEnv *env, jclass thisClass, jlong jContext, jstring jReaderName,
 217     jint jShareMode, jint jPreferredProtocols)
 218 {
 219     SCARDCONTEXT context = (SCARDCONTEXT)jContext;
 220     LONG rv;
 221     LPCTSTR readerName;
 222     SCARDHANDLE card = 0;
 223     DWORD proto = 0;
 224 
 225     readerName = (*env)->GetStringUTFChars(env, jReaderName, NULL);
 226     if (readerName == NULL) {
 227         return 0;


   1 /*
   2  * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 175     free(tab);
 176     return result;
 177 }
 178 
 179 JNIEXPORT jobjectArray JNICALL Java_sun_security_smartcardio_PCSC_SCardListReaders
 180     (JNIEnv *env, jclass thisClass, jlong jContext)
 181 {
 182     SCARDCONTEXT context = (SCARDCONTEXT)jContext;
 183     LONG rv;
 184     LPTSTR mszReaders = NULL;
 185     DWORD size = 0;
 186     jobjectArray result;
 187 
 188     dprintf1("-context: %x\n", context);
 189     rv = CALL_SCardListReaders(context, NULL, NULL, &size);
 190     if (handleRV(env, rv)) {
 191         return NULL;
 192     }
 193     dprintf1("-size: %d\n", size);
 194 
 195     if (size != 0) {
 196         mszReaders = malloc(size);
 197         if (mszReaders == NULL) {
 198             throwOutOfMemoryError(env, NULL);
 199             return NULL;
 200         }
 201 
 202         rv = CALL_SCardListReaders(context, NULL, mszReaders, &size);
 203         if (handleRV(env, rv)) {
 204             free(mszReaders);
 205             return NULL;
 206         }
 207         dprintf1("-String: %s\n", mszReaders);
 208     } else {
 209       return NULL;
 210     }
 211 
 212     result = pcsc_multi2jstring(env, mszReaders);
 213     free(mszReaders);
 214     return result;
 215 }
 216 
 217 JNIEXPORT jlong JNICALL Java_sun_security_smartcardio_PCSC_SCardConnect
 218     (JNIEnv *env, jclass thisClass, jlong jContext, jstring jReaderName,
 219     jint jShareMode, jint jPreferredProtocols)
 220 {
 221     SCARDCONTEXT context = (SCARDCONTEXT)jContext;
 222     LONG rv;
 223     LPCTSTR readerName;
 224     SCARDHANDLE card = 0;
 225     DWORD proto = 0;
 226 
 227     readerName = (*env)->GetStringUTFChars(env, jReaderName, NULL);
 228     if (readerName == NULL) {
 229         return 0;


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