EMILE/libemile/emile_map_open.c

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static __attribute__((used)) char* rcsid = "$CVSHeader$";
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/*
*
* (c) 2004 Laurent Vivier <Laurent@lvivier.info>
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*
*/
#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include "partition.h"
#include "libemile.h"
emile_map_t* emile_map_open(char *dev, int flags)
{
emile_map_t *map;
int ret;
ASSERT_DD(printf("INTERNAL ERROR: Bad Block 0 size structure\n");
return NULL;)
ASSERT_P(printf("INTERNAL ERROR: Bad Partition size structure\n");
return NULL;)
map = (emile_map_t*)malloc(sizeof(emile_map_t));
if (map == NULL)
return NULL;
map->fd = open(dev, flags);
if (map->fd == -1)
{
free(map);
return NULL;
}
strncpy(map->name, dev, MAP_NAME_LEN);
map->name[MAP_NAME_LEN - 1] = 0;
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ret = read(map->fd, &map->drivers, sizeof(map->drivers));
if (ret == -1)
{
free(map);
return NULL;
}
ret = read(map->fd, &map->partition, sizeof(map->partition));
if (ret == -1)
{
free(map);
return NULL;
}
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map->current = 0;
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return map;
}