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#include "kitchensink/internal/kitbuffer.h"
#include <stdlib.h>
#include <assert.h>
Kit_Buffer* Kit_CreateBuffer(unsigned int size) {
Kit_Buffer *b = calloc(1, sizeof(Kit_Buffer));
b->size = size;
b->data = calloc(size, sizeof(void*));
return b;
}
void Kit_DestroyBuffer(Kit_Buffer *buffer) {
assert(buffer != NULL);
}
void* Kit_ReadBuffer(Kit_Buffer *buffer) {
assert(buffer != NULL);
if(buffer->read_p < buffer->write_p) {
void *out = buffer->data[buffer->read_p];
buffer->data[buffer->read_p] = NULL;
buffer->read_p++;
if(buffer->read_p >= buffer->size) {
buffer->read_p -= buffer->size;
buffer->write_p -= buffer->size;
}
return out;
}
return NULL;
}
int Kit_WriteBuffer(Kit_Buffer *buffer, void *ptr) {
assert(buffer != NULL);
assert(ptr != NULL);
if(!Kit_IsBufferFull(buffer)) {
buffer->data[buffer->write_p] = ptr;
buffer->write_p++;
return 0;
}
return 1;
}
int Kit_IsBufferFull(const Kit_Buffer *buffer) {
return (buffer->write_p - buffer->read_p >= buffer->size);
}
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