From b701e39fbbbf571671b0fa3b184d4e040f646f7c Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Wed, 18 Oct 2023 21:44:56 +0300
Subject: [PATCH] .

---
 coreutils/chroot.c |  6 ++++--
 coreutils/cp.c     | 13 +++++++++++--
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/coreutils/chroot.c b/coreutils/chroot.c
index 9d25aae..7f3268e 100644
--- a/coreutils/chroot.c
+++ b/coreutils/chroot.c
@@ -5,7 +5,7 @@
 #include <errno.h>
 
 int main(const int argc, const char **argv) {
-	if (argc <= 2) {
+	if (argc < 3) {
 		printf("chroot [dir] [\"command arg\"]\n");
 		return 0;
 	}
@@ -16,6 +16,8 @@ int main(const int argc, const char **argv) {
 	}
 
 	chdir("/");
-	for (int i = 2; i < argc; i++)
+	for (int i = 1; i < argc; i++)
 		system(argv[i]);
+
+	return 0;
 }
diff --git a/coreutils/cp.c b/coreutils/cp.c
index c863630..dafca31 100644
--- a/coreutils/cp.c
+++ b/coreutils/cp.c
@@ -21,11 +21,20 @@ char *make_path(const char *src, const char *dst) {
 	return full_path;
 }
 
-int write_buffer(int ifd, int ofd) {
+int write_buffer(int ifd, int ofd, const char *dst) {
 	off_t len = lseek(ifd, 0, SEEK_END);
 	if (len < 0)
 		return 1;
 
+	else if (len == 0) {
+		int fd = open(dst, O_CREAT | O_RDONLY, 0666);
+		if (fd < 0)
+			return 1;
+
+		close(fd);
+		return 0;
+	}
+
 	if (ftruncate(ofd, len) < 0)
 		return 1;
 
@@ -57,7 +66,7 @@ int copy(const char *src, const char *dst) {
 		return 1;
 	}
 
-	if (write_buffer(ifd, ofd))
+	if (write_buffer(ifd, ofd, dst))
 		fprintf(stderr, "cp: (%s %s) %s\n", src, dst, strerror(errno));
 
 	close(ifd);