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/*
* Copyright (c) International Business Machines Corp., 2006
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include "peb.h"
int
peb_cmp(peb_t eb_1, peb_t eb_2)
{
assert(eb_1);
assert(eb_2);
return eb_1->num == eb_2->num ? 0
: eb_1->num > eb_2->num ? 1 : -1;
}
int
peb_new(uint32_t eb_num, uint32_t eb_size, peb_t *peb)
{
int rc = 0;
peb_t res = (peb_t) malloc(sizeof(struct peb));
if (!res) {
rc = -ENOMEM;
goto err;
}
res->num = eb_num;
res->size = eb_size;
res->data = (uint8_t*) malloc(res->size * sizeof(uint8_t));
if (!res->data) {
rc = -ENOMEM;
goto err;
}
memset(res->data, 0xff, res->size);
*peb = res;
return 0;
err:
if (res) {
if (res->data)
free(res->data);
free(res);
}
*peb = NULL;
return rc;
}
int
peb_fill(peb_t peb, uint8_t* buf, size_t buf_size)
{
if (!peb)
return -EINVAL;
if (buf_size > peb->size)
return -EINVAL;
memcpy(peb->data, buf, buf_size);
return 0;
}
int
peb_write(FILE* fp_out, peb_t peb)
{
size_t written = 0;
if (peb == NULL)
return -EINVAL;
written = fwrite(peb->data, 1, peb->size, fp_out);
if (written != peb->size)
return -EIO;
return 0;
}
int
peb_free(peb_t* peb)
{
peb_t tmp = *peb;
if (tmp) {
if (tmp->data)
free(tmp->data);
free(tmp);
}
*peb = NULL;
return 0;
}
void peb_dump(FILE* fp_out, peb_t peb)
{
fprintf(fp_out, "num: %08d\tsize: 0x%08x\n", peb->num, peb->size);
}
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