| /* |
| * bytearray.c |
| * simple byte array implementation |
| * |
| * Copyright (c) 2011 Nikias Bassen, All Rights Reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #include <string.h> |
| #include "bytearray.h" |
| |
| bytearray_t *byte_array_new() |
| { |
| bytearray_t *a = (bytearray_t*)malloc(sizeof(bytearray_t)); |
| a->data = malloc(256); |
| a->len = 0; |
| a->capacity = 256; |
| return a; |
| } |
| |
| void byte_array_free(bytearray_t *ba) |
| { |
| if (!ba) return; |
| if (ba->data) { |
| free(ba->data); |
| } |
| free(ba); |
| } |
| |
| void byte_array_append(bytearray_t *ba, void *buf, size_t len) |
| { |
| if (!ba || !ba->data || (len <= 0)) return; |
| size_t remaining = ba->capacity-ba->len; |
| if (len > remaining) { |
| ba->data = realloc(ba->data, ba->capacity + (len - remaining)); |
| ba->capacity += (len - remaining); |
| } |
| memcpy(ba->data+ba->len, buf, len); |
| ba->len += len; |
| } |