102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/*
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* $Id: array.c,v 1.11 2006-10-24 04:22:39 bacon Exp $
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*/
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#include <ase/lsp/lsp_i.h>
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ase_lsp_array_t* ase_lsp_array_new (ase_size_t capacity)
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{
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ase_lsp_array_t* array;
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ase_assert (capacity > 0);
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array = (ase_lsp_array_t*) ase_malloc (sizeof(ase_lsp_array_t));
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if (array == ASE_NULL) return ASE_NULL;
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array->buffer = (void**) ase_malloc (capacity + 1);
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if (array->buffer == ASE_NULL) {
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free (array);
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return ASE_NULL;
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}
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array->size = 0;
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array->capacity = capacity;
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array->buffer[0] = ASE_NULL;
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return array;
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}
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void ase_lsp_array_free (ase_lsp_array_t* array)
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{
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while (array->size > 0)
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free (array->buffer[--array->size]);
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ase_assert (array->size == 0);
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free (array->buffer);
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free (array);
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}
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int ase_lsp_array_add_item (ase_lsp_array_t* array, void* item)
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{
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if (array->size >= array->capacity) {
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void* new_buffer = (void**)realloc (
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array->buffer, array->capacity * 2 + 1);
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if (new_buffer == ASE_NULL) return -1;
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array->buffer = new_buffer;
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array->capacity = array->capacity * 2;
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}
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array->buffer[array->size++] = item;
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array->buffer[array->size] = ASE_NULL;
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return 0;
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}
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int ase_lsp_array_insert (ase_lsp_array_t* array, ase_size_t index, void* value)
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{
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ase_size_t i;
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if (index >= array->capacity) {
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void* new_buffer = (void**)realloc (
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array->buffer, array->capacity * 2 + 1);
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if (new_buffer == ASE_NULL) return -1;
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array->buffer = new_buffer;
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array->capacity = array->capacity * 2;
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}
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for (i = array->size; i > index; i--) {
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array->buffer[i] = array->buffer[i - 1];
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}
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array->buffer[index] = value;
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array->size = (index > array->size)? index + 1: array->size + 1;
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return 0;
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}
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void ase_lsp_array_delete (ase_lsp_array_t* array, ase_size_t index)
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{
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ase_assert (index < array->size);
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}
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void ase_lsp_array_clear (ase_lsp_array_t* array)
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{
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while (array->size > 0)
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free (array->buffer[--array->size]);
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ase_assert (array->size == 0);
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array->buffer[0] = ASE_NULL;
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}
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void** ase_lsp_array_yield (ase_lsp_array_t* array, ase_size_t capacity)
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{
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void** old_buffer, ** new_buffer;
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new_buffer = (void**) ase_malloc (capacity + 1);
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if (new_buffer == ASE_NULL) return ASE_NULL;
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old_buffer = array->buffer;
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array->buffer = new_buffer;
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array->size = 0;
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array->capacity = capacity;
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array->buffer[0] = ASE_NULL;
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return old_buffer;
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}
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