1 files changed, 0 insertions, 112 deletions
diff --git a/4rc/4rc.c b/4rc/4rc.c
deleted file mode 100644
index 35a85d3..0000000
--- a/4rc/4rc.c
+++ /dev/null
@@ -1,112 +0,0 @@
-#define _DEFAULT_SOURCE
-#define _POSIX_C_SOURCE 200809L
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-void create_vfs(void) {
-	if (mkdir("/proc", 0755) != 0 && errno != EEXIST) {
-		perror("proc");
-	}
-	if (mkdir("/sys", 0755) != 0 && errno != EEXIST) {
-		perror("sys");
-	}
-	if (mkdir("/dev", 0755) != 0 && errno != EEXIST) {
-		perror("dev");
-	}
-	if (mkdir("/run", 0755) != 0 && errno != EEXIST) {
-		perror("run");
-	}
-}
-
-void mount_vfs(void) {
-	if (mount("proc", "/proc", "proc",
-			  MS_NOSUID | MS_NODEV | MS_NOEXEC | MS_RELATIME, NULL) != 0 &&
-		errno != EBUSY) {
-		perror("mount /proc");
-	}
-
-	if (mount("sys", "/sys", "sysfs",
-			  MS_NOSUID | MS_NODEV | MS_NOEXEC | MS_RELATIME, NULL) != 0 &&
-		errno != EBUSY) {
-		perror("mount /sys");
-	}
-
-	if (mount("dev", "/dev", "devtmpfs", MS_NOSUID | MS_RELATIME, "mode=755") !=
-			0 &&
-		errno != EBUSY) {
-		perror("mount /dev");
-	}
-
-	if (mount("run", "/run", "tmpfs", MS_NOSUID | MS_NODEV | MS_RELATIME,
-			  "mode=755") != 0 &&
-		errno != EBUSY) {
-		perror("mount /run");
-	}
-
-	mkdir("/dev/pts", 0755);
-	mkdir("/dev/shm", 1777);
-
-	if (mount("devpts", "/dev/pts", "devpts",
-			  MS_NOSUID | MS_NOEXEC | MS_RELATIME, "gid=5,mode=620") != 0 &&
-		errno != EBUSY) {
-		perror("mount /dev/pts");
-	}
-
-	if (mount("shm", "/dev/shm", "tmpfs", MS_NOSUID | MS_NODEV | MS_RELATIME,
-			  "mode=1777") != 0 &&
-		errno != EBUSY) {
-		perror("mount /dev/shm");
-	}
-}
-
-void set_hostname(void) {
-	char buf[256];
-	int fd = open("/etc/hostname", O_RDONLY);
-
-	if (fd < 0) {
-		perror("open /etc/hostname");
-		return;
-	}
-
-	ssize_t bytes_read = read(fd, buf, sizeof(buf) - 1);
-	close(fd);
-
-	if (bytes_read > 0) {
-		buf[bytes_read] = '\0';
-		size_t len = strcspn(buf, "\r\n ");
-		buf[len] = '\0';
-
-		if (sethostname(buf, len) != 0) {
-			perror("sethostname");
-		}
-	}
-}
-
-int main(void) {
-	create_vfs();
-	mount_vfs();
-
-	int fd = open("/dev/console", O_RDWR);
-
-	if (fd >= 0) {
-		dup2(fd, 0);
-		dup2(fd, 1);
-		dup2(fd, 2);
-		if (fd > 2) {
-			close(fd);
-		}
-	} else {
-		perror("console");
-	}
-
-	set_hostname();
-
-	return 0;
-}