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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
commit | d83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /core/jni/android_os_StatFs.cpp | |
parent | 076357b8567458d4b6dfdcf839ef751634cd2bfb (diff) | |
download | frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.zip frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.gz frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'core/jni/android_os_StatFs.cpp')
-rw-r--r-- | core/jni/android_os_StatFs.cpp | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/core/jni/android_os_StatFs.cpp b/core/jni/android_os_StatFs.cpp deleted file mode 100644 index c658aa5..0000000 --- a/core/jni/android_os_StatFs.cpp +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Copyright 2007, The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#if INCLUDE_SYS_MOUNT_FOR_STATFS -#include <sys/mount.h> -#else -#include <sys/statfs.h> -#endif - -#include <errno.h> - -#include "jni.h" -#include "JNIHelp.h" -#include "android_runtime/AndroidRuntime.h" - - -namespace android -{ - -// ---------------------------------------------------------------------------- - -struct fields_t { - jfieldID context; -}; -static fields_t fields; - -// ---------------------------------------------------------------------------- - -static jint -android_os_StatFs_getBlockSize(JNIEnv *env, jobject thiz) -{ - struct statfs *stat = (struct statfs *)env->GetIntField(thiz, fields.context); - return stat->f_bsize; -} - -static jint -android_os_StatFs_getBlockCount(JNIEnv *env, jobject thiz) -{ - struct statfs *stat = (struct statfs *)env->GetIntField(thiz, fields.context); - return stat->f_blocks; -} - -static jint -android_os_StatFs_getFreeBlocks(JNIEnv *env, jobject thiz) -{ - struct statfs *stat = (struct statfs *)env->GetIntField(thiz, fields.context); - return stat->f_bfree; -} - -static jint -android_os_StatFs_getAvailableBlocks(JNIEnv *env, jobject thiz) -{ - struct statfs *stat = (struct statfs *)env->GetIntField(thiz, fields.context); - return stat->f_bavail; -} - -static void -android_os_StatFs_native_restat(JNIEnv *env, jobject thiz, jstring path) -{ - if (path == NULL) { - jniThrowException(env, "java/lang/IllegalArgumentException", NULL); - return; - } - - // get the object handle - struct statfs *stat = (struct statfs *)env->GetIntField(thiz, fields.context); - if (stat == NULL) { - jniThrowException(env, "java/lang/NoSuchFieldException", NULL); - return; - } - - const char* pathstr = env->GetStringUTFChars(path, NULL); - if (pathstr == NULL) { - jniThrowException(env, "java/lang/RuntimeException", "Out of memory"); - return; - } - - // note that stat will contain the new file data corresponding to - // pathstr - if (statfs(pathstr, stat) != 0) { - LOGE("statfs %s failed, errno: %d", pathstr, errno); - delete stat; - env->SetIntField(thiz, fields.context, 0); - jniThrowException(env, "java/lang/IllegalArgumentException", NULL); - } - // Release pathstr - env->ReleaseStringUTFChars(path, pathstr); -} - -static void -android_os_StatFs_native_setup(JNIEnv *env, jobject thiz, jstring path) -{ - if (path == NULL) { - jniThrowException(env, "java/lang/IllegalArgumentException", NULL); - return; - } - - struct statfs* stat = new struct statfs; - if (stat == NULL) { - jniThrowException(env, "java/lang/RuntimeException", "Out of memory"); - return; - } - env->SetIntField(thiz, fields.context, (int)stat); - android_os_StatFs_native_restat(env, thiz, path); -} - -static void -android_os_StatFs_native_finalize(JNIEnv *env, jobject thiz) -{ - struct statfs *stat = (struct statfs *)env->GetIntField(thiz, fields.context); - if (stat != NULL) { - delete stat; - env->SetIntField(thiz, fields.context, 0); - } -} - -// ---------------------------------------------------------------------------- - -static JNINativeMethod gMethods[] = { - {"getBlockSize", "()I", (void *)android_os_StatFs_getBlockSize}, - {"getBlockCount", "()I", (void *)android_os_StatFs_getBlockCount}, - {"getFreeBlocks", "()I", (void *)android_os_StatFs_getFreeBlocks}, - {"getAvailableBlocks", "()I", (void *)android_os_StatFs_getAvailableBlocks}, - {"native_setup", "(Ljava/lang/String;)V", (void *)android_os_StatFs_native_setup}, - {"native_finalize", "()V", (void *)android_os_StatFs_native_finalize}, - {"native_restat", "(Ljava/lang/String;)V", (void *)android_os_StatFs_native_restat}, -}; - - -int register_android_os_StatFs(JNIEnv *env) -{ - jclass clazz; - - clazz = env->FindClass("android/os/StatFs"); - if (clazz == NULL) { - LOGE("Can't find android/os/StatFs"); - return -1; - } - - fields.context = env->GetFieldID(clazz, "mNativeContext", "I"); - if (fields.context == NULL) { - LOGE("Can't find StatFs.mNativeContext"); - return -1; - } - - return AndroidRuntime::registerNativeMethods(env, - "android/os/StatFs", gMethods, NELEM(gMethods)); -} - -} // namespace android |