| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "utilities/stringUtils.hpp" |
| |
| int StringUtils::replace_no_expand(char* string, const char* from, const char* to) { |
| int replace_count = 0; |
| size_t from_len = strlen(from); |
| size_t to_len = strlen(to); |
| assert(from_len >= to_len, "must not expand input"); |
| |
| for (char* dst = string; *dst && (dst = strstr(dst, from)) != NULL;) { |
| char* left_over = dst + from_len; |
| memmove(dst, to, to_len); // does not copy trailing 0 of <to> |
| dst += to_len; // skip over the replacement. |
| memmove(dst, left_over, strlen(left_over) + 1); // copies the trailing 0 of <left_over> |
| ++ replace_count; |
| } |
| |
| return replace_count; |
| } |