EMILE/libext2/ext2_open.c

45 lines
785 B
C

/*
*
* (c) 2008 Laurent Vivier <Laurent@lvivier.info>
*
*/
#include <stdlib.h>
#include "libext2.h"
#include "ext2.h"
#include "ext2_utils.h"
stream_FILE* ext2_open(stream_VOLUME *volume, char* pathname)
{
ext2_FILE *file;
struct ext2_inode *inode;
int ino;
int ret;
ino = ext2_seek_name((ext2_VOLUME*)volume, pathname);
if (ino == 0)
return NULL;
inode = (struct ext2_inode*)malloc(sizeof(struct ext2_inode));
if (inode == NULL)
return NULL;
ret = ext2_get_inode((ext2_VOLUME*)volume, ino, inode);
if (ret == -1) {
free(inode);
return NULL;
}
file = (ext2_FILE*)malloc(sizeof(ext2_FILE));
if (file == NULL) {
free(inode);
return NULL;
}
file->volume = (ext2_VOLUME*)volume;
file->inode = inode;
file->offset = 0;
return (stream_FILE*)file;
}