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55 lines
1.2 KiB
55 lines
1.2 KiB
3 years ago
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <a.out.h>
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#include <linux/fs.h>
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#include <linux/sched.h>
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <asm/segment.h>
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struct linux_dirent {
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long d_ino;
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off_t d_off;
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unsigned short d_reclen;
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char d_name[14];
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};
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int sys_getdents(unsigned int fd, struct linux_dirent *d, unsigned int count)
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{
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struct file *f;
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struct m_inode * m;
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struct buffer_head * b;
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struct dir_entry * dir;
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int i,j,k,res;
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struct linux_dirent usrd;
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i=0;
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res=0;
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f=current->filp[fd];
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m=f->f_inode;
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b=bread(m->i_dev,m->i_zone[0]);
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dir=(struct dir_entry*)b->b_data;
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while(dir[i].inode>0)
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{
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if(res+sizeof(struct linux_dirent)>count)
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break;
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usrd.d_ino=dir[i].inode;
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usrd.d_off=0;
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usrd.d_reclen=sizeof(struct linux_dirent);
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for(j=0;j<14;j++)
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usrd.d_name[j]=dir[i].name[j];
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for(k=0;k<sizeof(struct linux_dirent);k++)
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{
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put_fs_byte(((char*)(&usrd))[k],(char*)d+res);
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res++;
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}
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i++;
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}
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if(count<=512)
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return res;
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else
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return 0;
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}
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