84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/*
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* Copyright 2012 Adam Murdoch
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* POSIX platform functions.
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*/
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#ifndef WIN32
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#include "native.h"
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#include "generic.h"
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <wchar.h>
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void mark_failed_with_errno(JNIEnv *env, const char* message, jobject result) {
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const char * errno_message = NULL;
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switch(errno) {
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case ENOENT:
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errno_message = "ENOENT";
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break;
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}
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mark_failed_with_code(env, message, errno, errno_message, result);
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}
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char* java_to_char(JNIEnv *env, jstring string, jobject result) {
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size_t stringLen = env->GetStringLength(string);
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wchar_t* wideString = (wchar_t*)malloc(sizeof(wchar_t) * (stringLen+1));
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const jchar* javaString = env->GetStringChars(string, NULL);
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for (size_t i = 0; i < stringLen; i++) {
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wideString[i] = javaString[i];
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}
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wideString[stringLen] = L'\0';
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env->ReleaseStringChars(string, javaString);
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size_t bytes = wcstombs(NULL, wideString, 0);
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if (bytes < 0) {
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mark_failed_with_message(env, "could not convert string to current locale", result);
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free(wideString);
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return NULL;
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}
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char* chars = (char*)malloc(bytes + 1);
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wcstombs(chars, wideString, bytes+1);
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free(wideString);
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return chars;
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}
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jstring char_to_java(JNIEnv* env, const char* chars, jobject result) {
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size_t bytes = strlen(chars);
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wchar_t* wideString = (wchar_t*)malloc(sizeof(wchar_t) * (bytes+1));
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if (mbstowcs(wideString, chars, bytes+1) < 0) {
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mark_failed_with_message(env, "could not convert string from current locale", result);
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free(wideString);
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return NULL;
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}
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size_t stringLen = wcslen(wideString);
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jchar* javaString = (jchar*)malloc(sizeof(jchar) * stringLen);
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for (int i =0; i < stringLen; i++) {
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javaString[i] = (jchar)wideString[i];
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}
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jstring string = env->NewString(javaString, stringLen);
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free(wideString);
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free(javaString);
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return string;
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}
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#endif
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