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src/java.desktop/unix/native/libawt_xawt/awt/swing_GTKEngine.c

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   1 /*
   2  * Copyright (c) 2005, 2019, 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
  23  * questions.
  24  */




  25 
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include "gtk_interface.h"
  29 #include "com_sun_java_swing_plaf_gtk_GTKEngine.h"
  30 
  31 /* Static buffer for conversion from java.lang.String to UTF-8 */
  32 static char conversionBuffer[(CONV_BUFFER_SIZE - 1) * 3 + 1];
  33 
  34 const char *getStrFor(JNIEnv *env, jstring val)
  35 {
  36     int length = (*env)->GetStringLength(env, val);
  37     if (length > CONV_BUFFER_SIZE-1)
  38     {
  39         length = CONV_BUFFER_SIZE-1;
  40     }
  41 
  42     memset(conversionBuffer, 0, sizeof(conversionBuffer));
  43     (*env)->GetStringUTFRegion(env, val, 0, length, conversionBuffer);
  44     return conversionBuffer;


   1 /*
   2  * Copyright (c) 2005, 2020, 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
  23  * questions.
  24  */
  25 
  26 #ifdef HEADLESS
  27     #error This file should not be included in headless library
  28 #endif
  29 
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include "gtk_interface.h"
  33 #include "com_sun_java_swing_plaf_gtk_GTKEngine.h"
  34 
  35 /* Static buffer for conversion from java.lang.String to UTF-8 */
  36 static char conversionBuffer[(CONV_BUFFER_SIZE - 1) * 3 + 1];
  37 
  38 const char *getStrFor(JNIEnv *env, jstring val)
  39 {
  40     int length = (*env)->GetStringLength(env, val);
  41     if (length > CONV_BUFFER_SIZE-1)
  42     {
  43         length = CONV_BUFFER_SIZE-1;
  44     }
  45 
  46     memset(conversionBuffer, 0, sizeof(conversionBuffer));
  47     (*env)->GetStringUTFRegion(env, val, 0, length, conversionBuffer);
  48     return conversionBuffer;


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