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prepare

#include "global.h"
#include "ub_env.h"


env_t *env;


static int
ub_flash_io(const char *csSec, int mode)
{
	int f, ret = 0;
	const char *str;

	FTRACE(4);

	str = cfg_getAttribute(&cfg, csSec, "drive");
	if (!str) {
		printf("Error:: drive not found!\n");
		return -1;
	}

	f = open(str, mode);
	if (f == -1) {
		printf("Error:: Can't access u-boot-env device %s\n", str);
		return -1;
	}

	if (mode & O_RDWR) {
	} else {
	}

	close(f);
	return ret;
}

int
ub_load(const char *csSec)
{
	const char *str;
	size_t siz;

	FTRACE(4);

	str = cfg_getAttribute(&cfg, csSec, "size");
	siz = strtol(str, NULL, 0);
	if (!siz)
		return -1;

	env = e_malloc(siz);
	if (!env) {
		ELIBERR(elwix);
		return -1;
	}

	return 0;
}

void
ub_unload()
{
	FTRACE(4);

	if (env)
		e_free(env);
}

const char*
ub_getenv(const char *csSec, const char *csName)
{
	const char *str = NULL;

	FTRACE(3);

	return str;
}

int
ub_setenv(const char *csSec, const char *csName, const char *csValue)
{
	FTRACE(3);

	return 0;
}