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Annotation of qemu/roms/openbios/fs/ext2/ext2_opendir.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *
        !             3:  * (c) 2008-2009 Laurent Vivier <[email protected]>
        !             4:  *
        !             5:  * This file has been copied from EMILE, http://emile.sf.net
        !             6:  *
        !             7:  */
        !             8: 
        !             9: #include "libext2.h"
        !            10: #include "ext2.h"
        !            11: #include "ext2_utils.h"
        !            12: 
        !            13: ext2_DIR* ext2_opendir(ext2_VOLUME *volume, const char *name)
        !            14: {
        !            15:        ext2_DIR* dir;
        !            16:        int ino;
        !            17:        struct ext2_inode *inode;
        !            18:        int ret;
        !            19: 
        !            20:        ino = ext2_seek_name(volume, name);
        !            21:        if (ino == 0)
        !            22:                return NULL;
        !            23: 
        !            24:        inode = (struct ext2_inode*)malloc(sizeof(struct ext2_inode));
        !            25:        if (inode == NULL)
        !            26:                return NULL;
        !            27: 
        !            28:        ret = ext2_get_inode(volume, ino, inode);
        !            29:        if (ret == -1) {
        !            30:                free(inode);
        !            31:                return NULL;
        !            32:        }
        !            33: 
        !            34:        if (!S_ISDIR(inode->i_mode)) {
        !            35:                free(inode);
        !            36:                return NULL;
        !            37:        }
        !            38: 
        !            39:        dir = (ext2_DIR*)malloc(sizeof(ext2_DIR));
        !            40:        if (dir == NULL) {
        !            41:                free(inode);
        !            42:                return NULL;
        !            43:        }
        !            44:        dir->volume = (ext2_VOLUME*)volume;
        !            45:        dir->inode = inode;
        !            46:        dir->index = 0;
        !            47: 
        !            48:        return dir;
        !            49: }

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