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comparison src/share/tools/launcher/jli_util.c @ 1985:cb2d0a362639

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6981484: Update development launcher Summary: Add new development launcher called hotspot(.exe) Reviewed-by: coleenp
author sla
date Thu, 02 Dec 2010 05:45:54 -0800
parents
children aa6e219afbf1
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1984:2968675b413e 1985:cb2d0a362639
1 /*
2 * Copyright (c) 1999, 2010, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include <stdio.h>
26 #include <string.h>
27 #include "jli_util.h"
28
29 #ifdef GAMMA
30 #ifdef _WINDOWS
31 #define strdup _strdup
32 #endif
33 #endif
34
35 /*
36 * Returns a pointer to a block of at least 'size' bytes of memory.
37 * Prints error message and exits if the memory could not be allocated.
38 */
39 void *
40 JLI_MemAlloc(size_t size)
41 {
42 void *p = malloc(size);
43 if (p == 0) {
44 perror("malloc");
45 exit(1);
46 }
47 return p;
48 }
49
50 /*
51 * Equivalent to realloc(size).
52 * Prints error message and exits if the memory could not be reallocated.
53 */
54 void *
55 JLI_MemRealloc(void *ptr, size_t size)
56 {
57 void *p = realloc(ptr, size);
58 if (p == 0) {
59 perror("realloc");
60 exit(1);
61 }
62 return p;
63 }
64
65 /*
66 * Wrapper over strdup(3C) which prints an error message and exits if memory
67 * could not be allocated.
68 */
69 char *
70 JLI_StringDup(const char *s1)
71 {
72 char *s = strdup(s1);
73 if (s == NULL) {
74 perror("strdup");
75 exit(1);
76 }
77 return s;
78 }
79
80 /*
81 * Very equivalent to free(ptr).
82 * Here to maintain pairing with the above routines.
83 */
84 void
85 JLI_MemFree(void *ptr)
86 {
87 free(ptr);
88 }