| /* |
| * |
| * (c) 2008-2009 Laurent Vivier <Laurent@lvivier.info> |
| * |
| * This file has been copied from EMILE, http://emile.sf.net |
| * |
| */ |
| |
| #include "libext2.h" |
| #include "ext2.h" |
| #include "ext2_utils.h" |
| |
| ext2_FILE* ext2_open(ext2_VOLUME *volume, const char* pathname) |
| { |
| ext2_FILE *file; |
| struct ext2_inode *inode; |
| int ino; |
| int ret; |
| |
| ino = ext2_seek_name(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(volume, ino, inode); |
| if (ret == -1) { |
| free(inode); |
| return NULL; |
| } |
| if (S_ISLNK(inode->i_mode)) { |
| static char buffer[1024]; |
| int i, last = 0; |
| strcpy(buffer, pathname); |
| for (i = 0; buffer[i]; i++) |
| if (buffer[i] == '\\') |
| last = i; |
| buffer[last] = '\\'; |
| strcpy(buffer + last + 1, (char*)inode->i_block); |
| ino = ext2_seek_name((ext2_VOLUME*)volume, buffer); |
| if (ino == 0) { |
| free(inode); |
| 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 = volume; |
| file->inode = inode; |
| file->offset = 0; |
| file->path = strdup(pathname); |
| |
| return file; |
| } |