diff options
Diffstat (limited to 'qemu/roms/openbios/fs/ext2/ext2_open.c')
-rw-r--r-- | qemu/roms/openbios/fs/ext2/ext2_open.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/qemu/roms/openbios/fs/ext2/ext2_open.c b/qemu/roms/openbios/fs/ext2/ext2_open.c new file mode 100644 index 000000000..03a89bbd0 --- /dev/null +++ b/qemu/roms/openbios/fs/ext2/ext2_open.c @@ -0,0 +1,65 @@ +/* + * + * (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; +} |