diff options
Diffstat (limited to 'libjava/classpath/native/jni/java-io/javaio.c')
| -rw-r--r-- | libjava/classpath/native/jni/java-io/javaio.c | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/libjava/classpath/native/jni/java-io/javaio.c b/libjava/classpath/native/jni/java-io/javaio.c deleted file mode 100644 index 6dc3de8f041..00000000000 --- a/libjava/classpath/native/jni/java-io/javaio.c +++ /dev/null @@ -1,363 +0,0 @@ -/* javaio.c - Common java.io native functions - Copyright (C) 1998, 2002, 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -/* do not move; needed here because of some macro definitions */ -#include <config.h> - -#include <stdio.h> -#include <stdlib.h> - -#include <jni.h> -#include <jcl.h> - -#include "target_native.h" -#ifndef WITHOUT_FILESYSTEM -#include "target_native_file.h" -#endif -#include "target_native_math_int.h" - -#include "javaio.h" - -/* - * Function to open a file - */ - -jint -_javaio_open_read (JNIEnv * env, jstring name) -{ -#ifndef WITHOUT_FILESYSTEM - const char *filename; - int fd; - int result; - - filename = JCL_jstring_to_cstring (env, name); - if (filename == NULL) - return (-1); - - TARGET_NATIVE_FILE_OPEN_READ (filename, fd, result); - (*env)->ReleaseStringUTFChars (env, name, filename); - if (result != TARGET_NATIVE_OK) - { - if (TARGET_NATIVE_LAST_ERROR () == TARGET_NATIVE_ERROR_NO_SUCH_FILE) - JCL_ThrowException (env, - "java/io/FileNotFoundException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - else - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - } - - JCL_free_cstring (env, name, filename); - return (fd); -#else /* not WITHOUT_FILESYSTEM */ - return (-1); -#endif /* not WITHOUT_FILESYSTEM */ -} - -/* - * Function to open a file for reading/writing - */ - -jint -_javaio_open_readwrite (JNIEnv * env, jstring name) -{ -#ifndef WITHOUT_FILESYSTEM - const char *filename; - int fd; - int result; - - filename = JCL_jstring_to_cstring (env, name); - if (filename == NULL) - return (-1); - - TARGET_NATIVE_FILE_OPEN_READWRITE (filename, fd, result); - (*env)->ReleaseStringUTFChars (env, name, filename); - if (result != TARGET_NATIVE_OK) - { - if (TARGET_NATIVE_LAST_ERROR () == TARGET_NATIVE_ERROR_NO_SUCH_FILE) - JCL_ThrowException (env, - "java/io/FileNotFoundException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - else - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - } - - JCL_free_cstring (env, name, filename); - return (fd); -#else /* not WITHOUT_FILESYSTEM */ - return (-1); -#endif /* not WITHOUT_FILESYSTEM */ -} - -/*************************************************************************/ - -/* - * Function to close a file - */ - -void -_javaio_close (JNIEnv * env, jint fd) -{ -#ifndef WITHOUT_FILESYSTEM - int result; - - if (fd != -1) - { - TARGET_NATIVE_FILE_CLOSE (fd, result); - if (result != TARGET_NATIVE_OK) - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - } -#else /* not WITHOUT_FILESYSTEM */ -#endif /* not WITHOUT_FILESYSTEM */ -} - -/*************************************************************************/ - -/* - * Skips bytes in a file - */ - -jlong -_javaio_skip_bytes (JNIEnv * env, jint fd, jlong num_bytes) -{ -#ifndef WITHOUT_FILESYSTEM - jlong current_offset, new_offset; - int result; - - TARGET_NATIVE_FILE_SEEK_CURRENT (fd, TARGET_NATIVE_MATH_INT_INT64_CONST_0, - current_offset, result); - if (result != TARGET_NATIVE_OK) - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - - TARGET_NATIVE_FILE_SEEK_CURRENT (fd, num_bytes, new_offset, result); - if (result != TARGET_NATIVE_OK) - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - - return (TARGET_NATIVE_MATH_INT_INT64_SUB (new_offset, current_offset)); -#else /* not WITHOUT_FILESYSTEM */ - return (TARGET_NATIVE_MATH_INT_INT64_CONST_0); -#endif /* not WITHOUT_FILESYSTEM */ -} - -/*************************************************************************/ - -/* - * Gets the size of the file - */ - -jlong -_javaio_get_file_length (JNIEnv * env, jint fd) -{ -#ifndef WITHOUT_FILESYSTEM - jlong length; - int result; - - TARGET_NATIVE_FILE_SIZE (fd, length, result); - if (result != TARGET_NATIVE_OK) - { - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - return (TARGET_NATIVE_MATH_INT_INT64_CONST_MINUS_1); - } - - return (length); -#else /* not WITHOUT_FILESYSTEM */ - return (TARGET_NATIVE_MATH_INT_INT64_CONST_0); -#endif /* not WITHOUT_FILESYSTEM */ -} - -/*************************************************************************/ - -/* - * Reads data from a file - */ - -jint -_javaio_read (JNIEnv * env, jint fd, jarray buf, jint offset, jint len) -{ -#ifndef WITHOUT_FILESYSTEM - jbyte *bufptr; - int bytesRead; - int result; - - assert (offset >= 0); - assert (len >= 0); - - if (len == 0) - return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */ - - bufptr = (*env)->GetByteArrayElements (env, buf, JNI_FALSE); - if (bufptr == NULL) - { - JCL_ThrowException (env, "java/io/IOException", - "Internal Error: get byte array fail"); - return (-1); - } - - TARGET_NATIVE_FILE_READ (fd, (bufptr + offset), len, bytesRead, result); - (*env)->ReleaseByteArrayElements (env, buf, bufptr, 0); - if (result != TARGET_NATIVE_OK) - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - - if (bytesRead == 0) - return (-1); - - return (bytesRead); -#else /* not WITHOUT_FILESYSTEM */ - jbyte *bufptr; - int bytesRead; - - assert (offset >= 0); - assert (len >= 0); - - if ((fd == 0) || (fd == 1) || (fd == 2)) - { - if (len == 0) - return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */ - - bufptr = (*env)->GetByteArrayElements (env, buf, JNI_FALSE); - if (bufptr == NULL) - { - JCL_ThrowException (env, "java/io/IOException", - "Internal Error: get byte array"); - return (-1); - } - - TARGET_NATIVE_FILE_READ (fd, (bufptr + offset), len, bytesRead, result); - (*env)->ReleaseByteArrayElements (env, buf, bufptr, 0); - if (result != TARGET_NATIVE_OK) - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - - if (bytesRead == 0) - return (-1); - - return (bytesRead); - } - else - { - return (-1); - } -#endif /* not WITHOUT_FILESYSTEM */ -} - -/*************************************************************************/ - -/* - * Writes data to a file - */ - -jint -_javaio_write (JNIEnv * env, jint fd, jarray buf, jint offset, jint len) -{ -#ifndef WITHOUT_FILESYSTEM - jbyte *bufptr; - int bytes_written; - int result; - - if (len == 0) - return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */ - - bufptr = (*env)->GetByteArrayElements (env, buf, 0); - if (bufptr == NULL) - { - JCL_ThrowException (env, "java/io/IOException", - "Internal Error: get byte array"); - return (-1); - } - - TARGET_NATIVE_FILE_WRITE (fd, (bufptr + offset), len, bytes_written, - result); - (*env)->ReleaseByteArrayElements (env, buf, bufptr, 0); - if (result != TARGET_NATIVE_OK) - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - - if (bytes_written == 0) - return (-1); - - return (bytes_written); -#else /* not WITHOUT_FILESYSTEM */ - jbyte *bufptr; - int bytesWritten; - - if ((fd == 0) || (fd == 1) || (fd == 2)) - { - if (len == 0) - return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */ - - bufptr = (*env)->GetByteArrayElements (env, buf, 0); - if (bufptr == NULL) - { - JCL_ThrowException (env, "java/io/IOException", "Internal Error"); - return (-1); - } - - TARGET_NATIVE_FILE_WRITE (fd, (bufptr + offset), len, bytes_written, - result); - (*env)->ReleaseByteArrayElements (env, buf, bufptr, 0); - - if (bytes_written == -1) - JCL_ThrowException (env, - "java/io/IOException", - TARGET_NATIVE_LAST_ERROR_STRING ()); - - if (bytes_written == 0) - return (-1); - - return (bytes_written); - } - else - { - return (-1); - } -#endif /* not WITHOUT_FILESYSTEM */ -} |
