1 /*
2 * Copyright (c) 2008, 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 #include <errno.h>
27 #include <string.h>
28
29 #include "jvm.h"
30 #include "jni.h"
31 #include "jni_util.h"
32
nativeNewStringPlatform(JNIEnv * env,const char * str)33 jstring nativeNewStringPlatform(JNIEnv *env, const char *str) {
34 return (*env)->NewStringUTF(env, str);
35 }
36
nativeGetStringPlatformChars(JNIEnv * env,jstring jstr,jboolean * isCopy)37 const char* nativeGetStringPlatformChars(JNIEnv *env, jstring jstr, jboolean *isCopy) {
38 return (*env)->GetStringUTFChars(env, jstr, isCopy);
39 }
40
nativeReleaseStringPlatformChars(JNIEnv * env,jstring jstr,const char * chars)41 void nativeReleaseStringPlatformChars(JNIEnv* env, jstring jstr, const char* chars) {
42 (*env)->ReleaseStringUTFChars(env, jstr, chars);
43 }
44
45 #if defined(LINUX) && (defined(_GNU_SOURCE) || \
46 (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE < 200112L \
47 && defined(_XOPEN_SOURCE) && _XOPEN_SOURCE < 600))
48 extern int __xpg_strerror_r(int, char *, size_t);
49 #define strerror_r(a, b, c) __xpg_strerror_r((a), (b), (c))
50 #endif
51
52 JNIEXPORT size_t JNICALL
getLastErrorString(char * buf,size_t len)53 getLastErrorString(char *buf, size_t len)
54 {
55 if (errno == 0 || len < 1) return 0;
56 getErrorString(errno, buf, len);
57 return strlen(buf);
58 }
59
60 JNIEXPORT int JNICALL
getErrorString(int err,char * buf,size_t len)61 getErrorString(int err, char *buf, size_t len)
62 {
63 if (err == 0 || len < 1) return 0;
64 return strerror_r(err, buf, len);
65 }
66