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/***************************************************************/
/* perk: PE Resource Kit */
/* Copyright (C) 2015--2016 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.PERK. */
/***************************************************************/
#include <string.h>
#include <perk/perk.h>
#include "perk_endian_impl.h"
#include "perk_reader_impl.h"
int pe_read_dos_header(const struct pe_image_dos_hdr * p, struct pe_meta_image_dos_hdr * m)
{
if ((p->dos_magic[0] != 'M') || (p->dos_magic[1] != 'Z'))
return PERK_BAD_DOS_HEADER;
if (PERK_LITTLE_ENDIAN) {
memcpy(m,p,sizeof(*p));
} else {
int i;
m->dos_magic[0] = p->dos_magic[0];
m->dos_magic[1] = p->dos_magic[1];
m->dos_cblp = pe_read_short(p->dos_cblp);
m->dos_cp = pe_read_short(p->dos_cp);
m->dos_crlc = pe_read_short(p->dos_crlc);
m->dos_cparhdr = pe_read_short(p->dos_cparhdr);
m->dos_minalloc = pe_read_short(p->dos_minalloc);
m->dos_maxalloc = pe_read_short(p->dos_maxalloc);
m->dos_ss = pe_read_short(p->dos_ss);
m->dos_sp = pe_read_short(p->dos_sp);
m->dos_csum = pe_read_short(p->dos_csum);
m->dos_ip = pe_read_short(p->dos_ip);
m->dos_cs = pe_read_short(p->dos_cs);
m->dos_lfarlc = pe_read_short(p->dos_lfarlc);
m->dos_ovno = pe_read_short(p->dos_ovno);
for (i=0; i<4; i++)
m->dos_res[i] = pe_read_short(&p->dos_res[2*i]);
m->dos_oemid = pe_read_short(p->dos_oemid);
m->dos_oeminfo = pe_read_short(p->dos_oeminfo);
for (i=0; i<10; i++)
m->dos_res2[i] = pe_read_short(&p->dos_res2[2*i]);
m->dos_lfanew = pe_read_long(p->dos_lfanew);
}
return 0;
}
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