Orion Hodson | 7e438db | 2020-04-19 16:39:50 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2020 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "ExpandableString.h" |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | |
| 23 | void ExpandableStringInitialize(struct ExpandableString *s) { |
| 24 | memset(s, 0, sizeof(*s)); |
| 25 | } |
| 26 | |
| 27 | void ExpandableStringRelease(struct ExpandableString* s) { |
| 28 | free(s->data); |
| 29 | memset(s, 0, sizeof(*s)); |
| 30 | } |
| 31 | |
| 32 | bool ExpandableStringAppend(struct ExpandableString* s, const char* text) { |
| 33 | size_t textSize = strlen(text); |
| 34 | size_t requiredSize = s->dataSize + textSize + 1; |
| 35 | char* data = (char*) realloc(s->data, requiredSize); |
| 36 | if (data == NULL) { |
| 37 | return false; |
| 38 | } |
| 39 | s->data = data; |
| 40 | memcpy(s->data + s->dataSize, text, textSize + 1); |
| 41 | s->dataSize += textSize; |
| 42 | return true; |
| 43 | } |
| 44 | |
| 45 | bool ExpandableStringAssign(struct ExpandableString* s, const char* text) { |
| 46 | ExpandableStringRelease(s); |
| 47 | return ExpandableStringAppend(s, text); |
| 48 | } |