Mercurial > hg > graal-jvmci-8
comparison src/share/vm/utilities/stringUtils.cpp @ 20375:6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung
author | iklam |
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date | Thu, 21 Aug 2014 13:57:51 -0700 |
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20374:999824269b71 | 20375:6e0cb14ce59b |
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1 /* | |
2 * Copyright (c) 2014, 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 "precompiled.hpp" | |
26 #include "utilities/stringUtils.hpp" | |
27 | |
28 int StringUtils::replace_no_expand(char* string, const char* from, const char* to) { | |
29 int replace_count = 0; | |
30 size_t from_len = strlen(from); | |
31 size_t to_len = strlen(to); | |
32 assert(from_len >= to_len, "must not expand input"); | |
33 | |
34 for (char* dst = string; *dst && (dst = strstr(dst, from)) != NULL;) { | |
35 char* left_over = dst + from_len; | |
36 memmove(dst, to, to_len); // does not copy trailing 0 of <to> | |
37 dst += to_len; // skip over the replacement. | |
38 memmove(dst, left_over, strlen(left_over) + 1); // copies the trailing 0 of <left_over> | |
39 ++ replace_count; | |
40 } | |
41 | |
42 return replace_count; | |
43 } |