Update sys.c_1.1

master
pt3oyfief 3 years ago
parent 6cb306445d
commit 566bd9b504

@ -326,7 +326,9 @@ int sys_sleep(unsigned int seconds){
#define NAME_MAX 255
#define NAME_MAX 14
/////////////////////////sys_getdents//////////////////////////
struct linux_dirent { //专为输出的目录项结构
long d_ino;
off_t d_off;
@ -366,7 +368,7 @@ int sys_getdents(unsigned int fd, struct dirent *dirp, unsigned int count)
for( ; d < inode->i_size ; d += dir_entry_size)
{
//printk("***\n");
if(l >= count - linux_dirent_size) break;//dirp已经满了返回读取的字节数 //buggy
if (l >= count - linux_dirent_size) break;//dirp已经满了返回读取的字节数 //buggy
//bufhd->b_data 是char*类型的指针(char为一字节),因此+d可以到这个目录项
d_entry = (struct dir_entry *)(bufhd->b_data + d);
@ -394,8 +396,8 @@ int sys_getdents(unsigned int fd, struct dirent *dirp, unsigned int count)
char * sys_getcwd(char * buf, size_t size){
}

Loading…
Cancel
Save