Android/frameworks_base
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Merge change 2843 into donut

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* changes:
  Use JNI region calls in MemoryFile read and write.
This commit is contained in:
Android (Google) Code Review
2009-06-02 01:25:24 -07:00
parent c665349543 ad984f1933
commit 4ff42ad6d7
1 changed files with 2 additions and 6 deletions
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8
core/jni/android_os_MemoryFile.cpp
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@@ -82,9 +82,7 @@ static jint android_os_MemoryFile_read(JNIEnv* env, jobject clazz,
return -1; return -1;
} }
jbyte* bytes = env->GetByteArrayElements(buffer, 0); env->SetByteArrayRegion(buffer, destOffset, count, (const jbyte *)address + srcOffset);
memcpy(bytes + destOffset, (const char *)address + srcOffset, count);
env->ReleaseByteArrayElements(buffer, bytes, 0);
if (unpinned) { if (unpinned) {
ashmem_unpin_region(fd, 0, 0); ashmem_unpin_region(fd, 0, 0);
@@ -103,9 +101,7 @@ static jint android_os_MemoryFile_write(JNIEnv* env, jobject clazz,
return -1; return -1;
} }
jbyte* bytes = env->GetByteArrayElements(buffer, 0); env->GetByteArrayRegion(buffer, srcOffset, count, (jbyte *)address + destOffset);
memcpy((char *)address + destOffset, bytes + srcOffset, count);
env->ReleaseByteArrayElements(buffer, bytes, 0);
if (unpinned) { if (unpinned) {
ashmem_unpin_region(fd, 0, 0); ashmem_unpin_region(fd, 0, 0);