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segatools-dniel97/util/dll-bind.c
2021-06-13 11:27:00 -04:00

48 lines
892 B
C

#include <windows.h>
#include <assert.h>
#include <stdint.h>
#include "util/dll-bind.h"
#include "util/dprintf.h"
HRESULT dll_bind(
void *dest,
HINSTANCE src,
const struct dll_bind_sym **syms_pos,
size_t syms_count)
{
HRESULT hr;
void *src_result;
void **dest_field;
const struct dll_bind_sym *current_sym;
size_t i;
assert(dest != NULL);
assert(src != NULL);
assert(syms_pos != NULL);
hr = S_OK;
current_sym = *syms_pos;
assert(current_sym != NULL);
for (i = 0; i < syms_count; i++) {
src_result = GetProcAddress(src, current_sym->sym);
if (src_result == NULL) {
hr = E_NOTIMPL;
break;
}
dest_field = (void **)(((uint8_t *)dest) + current_sym->off);
*dest_field = src_result;
current_sym++;
}
*syms_pos = current_sym;
return hr;
}