root/Whitix/trunk/lib/cbuffer.c

#include <cbuffer.h>

int CircBufferInit(struct CircBuffer* buffer, int maxSize)
{
        buffer->lock = 0;
        INIT_WAITQUEUE_HEAD(&buffer->waitQueue);
        buffer->base = (char*)malloc(maxSize);
        
        if (!buffer->base)
                return -ENOMEM;
                
        buffer->start = 0;
        buffer->size = 0;
        buffer->maxSize = maxSize;
        
        return 0;
}