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riscv-pke/user/app_directory.c

61 lines
1.4 KiB

#include "user_lib.h"
#include "util/string.h"
#include "util/types.h"
void ls(char *path) {
int dir_fd = opendir_u(path);
printu("------------------------------\n");
printu("ls \"%s\":\n", path);
printu("[name] [inode_num]\n");
struct dir dir;
int width = 20;
while(readdir_u(dir_fd, &dir) == 0) {
// we do not have %ms :(
char name[width + 1];
memset(name, ' ', width + 1);
name[width] = '\0';
if (strlen(dir.name) < width) {
strcpy(name, dir.name);
name[strlen(dir.name)] = ' ';
printu("%s %d\n", name, dir.inum);
}
else
printu("%s %d\n", dir.name, dir.inum);
}
printu("------------------------------\n");
closedir_u(dir_fd);
}
int main(int argc, char *argv[]) {
char str[] = "hello world";
int fd;
printu("\n======== Test 1: open and read dir ========\n");
ls("/RAMDISK0");
printu("\n======== Test 2: make dir ========\n");
mkdir_u("/RAMDISK0/sub_dir");
printu("make: /RAMDISK0/sub_dir\n");
ls("/RAMDISK0");
// try to write a file in the new dir
printu("write: /RAMDISK0/sub_dir/ramfile\n");
fd = open("/RAMDISK0/sub_dir/ramfile", O_RDWR | O_CREAT);
printu("file descriptor fd: %d\n", fd);
write_u(fd, str, strlen(str));
printu("write content: \n%s\n", str);
close(fd);
ls("/RAMDISK0/sub_dir");
printu("\nAll tests passed!\n\n");
exit(0);
return 0;
}