diff options
Diffstat (limited to 'src/core/dsp/ocl_load/DLOAD/ArrayList.c')
| -rw-r--r-- | src/core/dsp/ocl_load/DLOAD/ArrayList.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/core/dsp/ocl_load/DLOAD/ArrayList.c b/src/core/dsp/ocl_load/DLOAD/ArrayList.c new file mode 100644 index 0000000..4452bfc --- /dev/null +++ b/src/core/dsp/ocl_load/DLOAD/ArrayList.c @@ -0,0 +1,122 @@ +/* +* ArrayList.c +* +* Array_List is a C implementation of a C++ vector class. +* +* This class emulates a resizable array along the lines of a C++ +* vector or Java ArrayList class in C, and uses the convention +* of passing a pointer to the current "object" as the first +* argument. +* +* Usage is defined as follows: +* +* Array_List obj; +* AL_initialize(&obj, sizeof(type_name)); +* +* ... +* +* type_name *ptr = (type_name*)(obj.buf); +* for(i = 0; i < AL_size(&obj); i++) +* do_something_to(ptr[i]); +* type_name to_append = ...; +* AL_append(&obj, &to_append); +* +* ... +* +* AL_destroy(&obj); +* +* +* Copyright (C) 2009-2014 Texas Instruments Incorporated - http://www.ti.com/ +* +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions +* are met: +* +* Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* +* Redistributions in binary form must reproduce the above copyright +* notice, this list of conditions and the following disclaimer in the +* documentation and/or other materials provided with the +* distribution. +* +* Neither the name of Texas Instruments Incorporated nor the names of +* its contributors may be used to endorse or promote products derived +* from this software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +*/ + +#include <inttypes.h> +#include <string.h> +#include "ArrayList.h" +#include "dload_api.h" + +/*****************************************************************************/ +/* AL_INITIALIZE() - Initialize a newly created Array_List object. */ +/*****************************************************************************/ +void AL_initialize(Array_List* obj, int32_t type_size, int32_t num_elem) +{ + if (num_elem == 0) num_elem = 1; + obj->buf = DLIF_malloc(type_size * num_elem); + obj->type_size = type_size; + obj->size = 0; + obj->buffer_size = num_elem; +} + +/*****************************************************************************/ +/* AL_APPEND() - Append an element to the end of an Array_List. */ +/*****************************************************************************/ +void AL_append(Array_List* obj, void* to_append) +{ + /*------------------------------------------------------------------------*/ + /* If there is already space in the specified buffer for the new data, */ + /* just append it to the end of the data that is already in the buffer. */ + /*------------------------------------------------------------------------*/ + if (obj->size < obj->buffer_size) + memcpy(((uint8_t*)obj->buf) + obj->type_size * ((obj->size)++), to_append, + obj->type_size); + + /*------------------------------------------------------------------------*/ + /* Grow the buffer if we need more space to add the new data to it. */ + /*------------------------------------------------------------------------*/ + else + { + void* old_buffer = obj->buf; + obj->buffer_size *= 2; + obj->buf = DLIF_malloc(obj->buffer_size*obj->type_size); + memcpy(obj->buf,old_buffer,obj->size*obj->type_size); + DLIF_free(old_buffer); + memcpy(((uint8_t*)obj->buf) + obj->type_size *((obj->size)++), to_append, + obj->type_size); + } +} + +/*****************************************************************************/ +/* AL_SIZE() - Get the number of elements in an Array_List. */ +/*****************************************************************************/ +int32_t AL_size(Array_List* obj) +{ + return obj->size; +} + +/*****************************************************************************/ +/* AL_DESTROY() - Free up memory associated with an Array_List that is no */ +/* longer in use. */ +/*****************************************************************************/ +void AL_destroy(Array_List* obj) +{ + DLIF_free(obj->buf); +} |