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Annotation of linux/fs/stat.c, revision 1.1

1.1     ! root        1: #include <errno.h>
        !             2: #include <sys/stat.h>
        !             3: 
        !             4: #include <linux/fs.h>
        !             5: #include <linux/sched.h>
        !             6: #include <linux/kernel.h>
        !             7: #include <asm/segment.h>
        !             8: 
        !             9: static int cp_stat(struct m_inode * inode, struct stat * statbuf)
        !            10: {
        !            11:        struct stat tmp;
        !            12:        int i;
        !            13: 
        !            14:        verify_area(statbuf,sizeof (* statbuf));
        !            15:        tmp.st_dev = inode->i_dev;
        !            16:        tmp.st_ino = inode->i_num;
        !            17:        tmp.st_mode = inode->i_mode;
        !            18:        tmp.st_nlink = inode->i_nlinks;
        !            19:        tmp.st_uid = inode->i_uid;
        !            20:        tmp.st_gid = inode->i_gid;
        !            21:        tmp.st_rdev = inode->i_zone[0];
        !            22:        tmp.st_size = inode->i_size;
        !            23:        tmp.st_atime = inode->i_atime;
        !            24:        tmp.st_mtime = inode->i_mtime;
        !            25:        tmp.st_ctime = inode->i_ctime;
        !            26:        for (i=0 ; i<sizeof (tmp) ; i++)
        !            27:                put_fs_byte(((char *) &tmp)[i],&((char *) statbuf)[i]);
        !            28:        return (0);
        !            29: }
        !            30: 
        !            31: int sys_stat(char * filename, struct stat * statbuf)
        !            32: {
        !            33:        int i;
        !            34:        struct m_inode * inode;
        !            35: 
        !            36:        if (!(inode=namei(filename)))
        !            37:                return -ENOENT;
        !            38:        i=cp_stat(inode,statbuf);
        !            39:        iput(inode);
        !            40:        return i;
        !            41: }
        !            42: 
        !            43: int sys_fstat(unsigned int fd, struct stat * statbuf)
        !            44: {
        !            45:        struct file * f;
        !            46:        struct m_inode * inode;
        !            47: 
        !            48:        if (fd >= NR_OPEN || !(f=current->filp[fd]) || !(inode=f->f_inode))
        !            49:                return -ENOENT;
        !            50:        return cp_stat(inode,statbuf);
        !            51: }

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