gecko-dev/mozglue/android/nsGeckoUtils.cpp

54 lines
1.5 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <jni.h>
#ifdef MOZ_MEMORY
// Wrap malloc and free to use jemalloc
#define malloc __wrap_malloc
#define free __wrap_free
#endif
#include <stdlib.h>
#include <fcntl.h>
extern "C"
__attribute__ ((visibility("default")))
void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_putenv(JNIEnv *jenv, jclass, jstring map)
{
const char* str;
// XXX: java doesn't give us true UTF8, we should figure out something
// better to do here
str = jenv->GetStringUTFChars(map, NULL);
if (str == NULL)
return;
putenv(strdup(str));
jenv->ReleaseStringUTFChars(map, str);
}
extern "C"
__attribute__ ((visibility("default")))
jobject JNICALL
Java_org_mozilla_gecko_mozglue_DirectBufferAllocator_nativeAllocateDirectBuffer(JNIEnv *jenv, jclass, jlong size)
{
jobject buffer = NULL;
void* mem = malloc(size);
if (mem) {
buffer = jenv->NewDirectByteBuffer(mem, size);
if (!buffer)
free(mem);
}
return buffer;
}
extern "C"
__attribute__ ((visibility("default")))
void JNICALL
Java_org_mozilla_gecko_mozglue_DirectBufferAllocator_nativeFreeDirectBuffer(JNIEnv *jenv, jclass, jobject buf)
{
free(jenv->GetDirectBufferAddress(buf));
}