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Make image list resize use realloc.

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Much simpler than allocating, copying and freeing the arrays manually.
This commit is contained in:
Arttu Ylä-Outinen 2015-06-17 10:08:45 +03:00
parent fe3b629905
commit cec9b937dc
1 changed files with 5 additions and 38 deletions
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43
src/imagelist.c
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@ -60,44 +60,11 @@ image_list_t * image_list_alloc(int size)
*/
int image_list_resize(image_list_t *list, unsigned size)
{
unsigned int i;
image_t** old_images = NULL;
cu_array_t** old_cu_arrays = NULL;
int32_t* old_pocs = NULL;
//FIXME This could be done in a simple way using realloc...
// No need to do anything when resizing to same size
if (size == list->size) {
return 1;
}
// Save the old list
if (list->used_size > 0) {
old_images = list->images;
old_cu_arrays = list->cu_arrays;
old_pocs = list->pocs;
}
// allocate space for the new list
list->images = (image_t**)malloc(sizeof(image_t*)*size);
list->cu_arrays = (cu_array_t**)malloc(sizeof(cu_array_t*)*size);
list->pocs = (int32_t*)malloc(sizeof(int32_t*)*size);
// Copy everything from the old list to the new if needed.
if (old_images != NULL) {
for (i = 0; i < list->used_size; ++i) {
list->images[i] = old_images[i];
list->cu_arrays[i] = old_cu_arrays[i];
list->pocs[i] = old_pocs[i];
}
free(old_images);
free(old_cu_arrays);
free(old_pocs);
}
return 1;
list->images = (image_t**)realloc(list->images, sizeof(image_t*) * size);
list->cu_arrays = (cu_array_t**)realloc(list->cu_arrays, sizeof(cu_array_t*) * size);
list->pocs = (int32_t*)realloc(list->pocs, sizeof(int32_t*) * size);
list->size = size;
return size == 0 || (list->images && list->cu_arrays && list->pocs);
}
/**