1 /* 2 * Copyright (C) 2014 Steve Harris et al. (see AUTHORS) 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License as 6 * published by the Free Software Foundation; either version 2.1 of the 7 * License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU Lesser General Public License for more details. 13 * 14 * $Id$ 15 */ 16 17 #include <stdlib.h> 18 #include <string.h> 19 20 #include "lo_types_internal.h" 21 #include "lo/lo.h" 22 lo_blob_new(int32_t size,const void * data)23lo_blob lo_blob_new(int32_t size, const void *data) 24 { 25 lo_blob b; 26 27 if (size < 1) { 28 return NULL; 29 } 30 31 b = (lo_blob) malloc(sizeof(size) + size); 32 33 b->size = size; 34 35 if (data) { 36 memcpy((char*) b + sizeof(uint32_t), data, size); 37 } 38 39 return b; 40 } 41 lo_blob_free(lo_blob b)42void lo_blob_free(lo_blob b) 43 { 44 free(b); 45 } 46 lo_blob_datasize(lo_blob b)47uint32_t lo_blob_datasize(lo_blob b) 48 { 49 return b->size; 50 } 51 lo_blob_dataptr(lo_blob b)52void *lo_blob_dataptr(lo_blob b) 53 { 54 return (char*) b + sizeof(uint32_t); 55 } 56 lo_blobsize(lo_blob b)57uint32_t lo_blobsize(lo_blob b) 58 { 59 const uint32_t len = sizeof(uint32_t) + b->size; 60 61 return 4 * ((len + 3) / 4); 62 } 63 64 /* vi:set ts=8 sts=4 sw=4: */ 65