1 /*
2 * Copyright (c) 2001, 2008, 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 <stdarg.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <limits.h>
31 #include <assert.h>
32 #include <stdint.h>
33
34 #include <sys/stat.h>
35
36 #ifdef _MSC_VER
37 #include <direct.h>
38 #include <io.h>
39 #include <process.h>
40 #else
41 #include <unistd.h>
42 #endif
43
44 #include "constants.h"
45 #include "defines.h"
46 #include "bytes.h"
47 #include "utils.h"
48
49 #include "unpack.h"
50
must_malloc(size_t size)51 void *must_malloc(size_t size)
52 {
53 size_t msize = size;
54 void *ptr = (msize > PSIZE_MAX) ? nullptr : malloc(msize);
55 if (ptr != nullptr)
56 {
57 memset(ptr, 0, size);
58 }
59 else
60 {
61 throw std::runtime_error(ERROR_ENOMEM);
62 }
63 return ptr;
64 }
65
unpack_abort(const char * msg)66 void unpack_abort(const char *msg)
67 {
68 if (msg == nullptr)
69 msg = "corrupt pack file or internal error";
70 throw std::runtime_error(msg);
71 }
72