diff options
Diffstat (limited to 'src/bytearray.c')
-rw-r--r-- | src/bytearray.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/bytearray.c b/src/bytearray.c new file mode 100644 index 0000000..0abfe49 --- /dev/null +++ b/src/bytearray.c @@ -0,0 +1,52 @@ +/* + * 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; +} |