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#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include "xg_private.h"
#include "xc_dom_decompress_unsafe.h"
static struct xc_dom_image *unsafe_dom;
static unsigned char *output_blob;
static unsigned int output_size;
static void unsafe_error(const char *msg)
{
xc_dom_panic(unsafe_dom->xch, XC_INVALID_KERNEL, "%s", msg);
}
static int unsafe_flush(void *src, unsigned int size)
{
void *n = realloc(output_blob, output_size + size);
if (!n)
return -1;
output_blob = n;
memcpy(&output_blob[output_size], src, size);
output_size += size;
return size;
}
int xc_dom_decompress_unsafe(
decompress_fn fn, struct xc_dom_image *dom, void **blob, size_t *size)
{
int ret;
unsafe_dom = dom;
output_blob = NULL;
output_size = 0;
ret = fn(dom->kernel_blob, dom->kernel_size, NULL, unsafe_flush, NULL, NULL, unsafe_error);
if (ret)
free(output_blob);
else {
*blob = output_blob;
*size = output_size;
}
return ret;
}
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