void __mkdir(const char* pathname)
{
/* make a new directory */
if (dfile_raw_open(&fd, pathname, DFS_O_DIRECTORY | DFS_O_CREAT) == 0)
{
dfile_raw_close(&fd);
}
else rt_kprintf("Can't mkdir %s\n", pathname);
}
void __ls(const char* pathname)
{
struct dfs_stat stat;
int length;
/* list directory */
if ( dfile_raw_open(&fd, pathname, DFS_O_DIRECTORY) == 0 )
{
rt_kprintf("Directory %s:\n", pathname);
do
{
rt_memset(&dirent, 0, sizeof(struct dfs_dirent));
length = dfile_raw_getdents(&fd, &dirent, sizeof(struct dfs_dirent));
if ( length > 0 )
{
rt_memset(&stat, 0, sizeof(struct dfs_stat));
/* build full path for each file */
strncpy(fullpath, pathname, 256);
strcat(fullpath, "/");
strcat(fullpath, dirent.d_name);
dfile_raw_stat(fullpath, &stat);
if ( stat.st_mode & DFS_S_IFDIR )
{
rt_kprintf("%s\t\t<DIR>\n", dirent.d_name);
}
else
{
rt_kprintf("%s\t\t%lu\n", dirent.d_name, stat.st_size);
}
}
}while(length > 0);
dfile_raw_close(&fd);
}
else
{
rt_kprintf("No such directory\n");
}
}
void __cat(const char* filename)
{
rt_uint32_t length;
char buffer[81];
if (dfile_raw_open(&fd, filename, DFS_O_RDONLY) < 0)
{
rt_kprintf("Open %s failed\n", filename);
return;
}
do
{
rt_memset(buffer, 0, sizeof(buffer));
length = dfile_raw_read(&fd, buffer, 81);
if (length > 0)
{
rt_kprintf("%s", buffer);
}
}while (length > 0);
dfile_raw_close(&fd);
}
/*
+------------------------------------------------------------------------------
| Function : open
+------------------------------------------------------------------------------
| Description :
|
| Parameters :
| Returns :
|
+------------------------------------------------------------------------------
*/
int open(const char *file, int flags, int mode)
{
int fd, result;
struct dfs_fd* d;
/* allocate a fd */
fd = fd_new();
if (fd < 0) return -1;
d = fd_get(fd);
result = dfile_raw_open(d, file, flags);
if (result < 0)
{
rt_set_errno(result);
fd_put(d);
fd_put(d);
return -1;
}
/* release the ref-count of fd */
fd_put(d);
return fd;
}
