95 int dfs_ramfs_read(struct dfs_fd *file, void *buf, size_t count)  in dfs_ramfs_read()  argument
103     if (count < file->size - file->pos)  in dfs_ramfs_read()
104         length = count;  in dfs_ramfs_read()
117 int dfs_ramfs_write(struct dfs_fd *fd, const void *buf, size_t count)  in dfs_ramfs_write()  argument
128     if (count + fd->pos > fd->size)  in dfs_ramfs_write()
131         ptr = rt_memheap_realloc(&(ramfs->memheap), dirent->data, fd->pos + count);  in dfs_ramfs_write()
141         dirent->size = fd->pos + count;  in dfs_ramfs_write()
145     if (count > 0)  in dfs_ramfs_write()
146         memcpy(dirent->data + fd->pos, buf, count);  in dfs_ramfs_write()
149     fd->pos += count;  in dfs_ramfs_write()
151     return count;  in dfs_ramfs_write()
295                        uint32_t    count)  in dfs_ramfs_getdents()  argument
310     /* make integer count */  in dfs_ramfs_getdents()
311     count = (count / sizeof(struct dirent));  in dfs_ramfs_getdents()
312     if (count == 0)  in dfs_ramfs_getdents()
315     end = file->pos + count;  in dfs_ramfs_getdents()
317     count = 0;  in dfs_ramfs_getdents()
324             d = dirp + count;  in dfs_ramfs_getdents()
330             count += 1;  in dfs_ramfs_getdents()
336     return count * sizeof(struct dirent);  in dfs_ramfs_getdents()