| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "ExpandableString.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| void ExpandableStringInitialize(struct ExpandableString *s) { |
| memset(s, 0, sizeof(*s)); |
| } |
| |
| void ExpandableStringRelease(struct ExpandableString* s) { |
| free(s->data); |
| memset(s, 0, sizeof(*s)); |
| } |
| |
| bool ExpandableStringAppend(struct ExpandableString* s, const char* text) { |
| size_t textSize = strlen(text); |
| size_t requiredSize = s->dataSize + textSize + 1; |
| char* data = (char*) realloc(s->data, requiredSize); |
| if (data == NULL) { |
| return false; |
| } |
| s->data = data; |
| memcpy(s->data + s->dataSize, text, textSize + 1); |
| s->dataSize += textSize; |
| return true; |
| } |
| |
| bool ExpandableStringAssign(struct ExpandableString* s, const char* text) { |
| ExpandableStringRelease(s); |
| return ExpandableStringAppend(s, text); |
| } |