rev 11339 : 8072611: (process) ProcessBuilder redirecting output to file should work with long file names (win)
Reviewed-by: rriggs, simonis
Contributed-by: johannes.scheerer@sap.com, stuefe
1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include "jni.h"
27 #include "jni_util.h"
28
29 /*
30 * Macros to use the right data type for file descriptors
31 */
32 #define FD jlong
33
34 /*
35 * Prototypes for functions in io_util_md.c called from io_util.c,
36 * FileDescriptor.c, FileInputStream.c, FileOutputStream.c
37 */
38 WCHAR* pathToNTPath(JNIEnv *env, jstring path, jboolean throwFNFE);
39 WCHAR* fileToNTPath(JNIEnv *env, jobject file, jfieldID id);
40 WCHAR* getPrefixed(const WCHAR* path, int pathlen);
41 WCHAR* currentDir(int di);
42 int currentDirLength(const WCHAR* path, int pathlen);
43 int handleAvailable(FD fd, jlong *pbytes);
44 int handleSync(FD fd);
45 int handleSetLength(FD fd, jlong length);
46 JNIEXPORT jint handleRead(FD fd, void *buf, jint len);
47 jint handleWrite(FD fd, const void *buf, jint len);
48 jint handleAppend(FD fd, const void *buf, jint len);
49 jint handleClose(JNIEnv *env, jobject this, jfieldID fid);
50 jlong handleLseek(FD fd, jlong offset, jint whence);
51
52 /*
53 * Returns an opaque handle to file named by "path". If an error occurs,
54 * returns -1 and an exception is pending.
55 */
56 FD winFileHandleOpen(JNIEnv *env, jstring path, int flags);
57
58 /*
59 * Macros to set/get fd from the java.io.FileDescriptor.
60 * If GetObjectField returns null, SET_FD will stop and GET_FD
61 * will simply return -1 to avoid crashing VM.
62 */
63 #define SET_FD(this, fd, fid) \
64 if ((*env)->GetObjectField(env, (this), (fid)) != NULL) \
65 (*env)->SetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID, (fd))
66
67 #define GET_FD(this, fid) \
68 ((*env)->GetObjectField(env, (this), (fid)) == NULL) ? \
69 -1 : (*env)->GetLongField(env, (*env)->GetObjectField(env, (this), (fid)), IO_handle_fdID)
70
71 /*
72 * Macros to set/get fd when inside java.io.FileDescriptor
73 */
74 #define THIS_FD(obj) (*env)->GetLongField(env, obj, IO_handle_fdID)
75
76 /*
77 * Route the routines away from VM
78 */
79 #define IO_Append handleAppend
80 #define IO_Write handleWrite
81 #define IO_Sync handleSync
82 #define IO_Read handleRead
83 #define IO_Lseek handleLseek
84 #define IO_Available handleAvailable
85 #define IO_SetLength handleSetLength
86
87 /*
88 * Setting the handle field in Java_java_io_FileDescriptor_set for
89 * standard handles stdIn, stdOut, stdErr
90 */
91 #define SET_HANDLE(fd) \
92 if (fd == 0) { \
93 return (jlong)GetStdHandle(STD_INPUT_HANDLE); \
94 } else if (fd == 1) { \
95 return (jlong)GetStdHandle(STD_OUTPUT_HANDLE); \
96 } else if (fd == 2) { \
97 return (jlong)GetStdHandle(STD_ERROR_HANDLE); \
98 } else { \
99 return (jlong)-1; \
100 } \
101
102 /* INVALID_FILE_ATTRIBUTES is not defined in VC++6.0's header files but
103 * in later release. Keep here just in case someone is still using VC++6.0
104 */
105 #ifndef INVALID_FILE_ATTRIBUTES
106 #define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
107 #endif
--- EOF ---