From 607b468be2faf8e325f2021ee2cbf1718d7ee589 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Wed, 8 Jun 2022 23:10:52 +0200
Subject: Added optionless ls utility

---
 .gitignore |  1 +
 Makefile   |  2 +-
 ls.c       | 30 ++++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 ls.c

diff --git a/.gitignore b/.gitignore
index 765f41a..f2bfd53 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 cat
 fallocate
 false
+ls
 true
diff --git a/Makefile b/Makefile
index 69667b9..8694215 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CFLAGS+=-std=c11 -Wall -Wextra -Wpedantic -D_POSIX_C_SOURCE=200809L
-UTILS=cat fallocate false true
+UTILS=cat fallocate false ls true
 
 all: ${UTILS}
 
diff --git a/ls.c b/ls.c
new file mode 100644
index 0000000..c507523
--- /dev/null
+++ b/ls.c
@@ -0,0 +1,30 @@
+#include <dirent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+int ls(const char * path)
+{
+	DIR * dir;
+	if (NULL == (dir = opendir(path))) {
+		perror(path);
+		return 1;
+	}
+	struct dirent * entry;
+	while (NULL != (entry = readdir(dir)))
+		printf("%s\n", entry->d_name);
+	closedir(dir);
+	return 0;
+}
+
+
+int main(int argc, char * argv[])
+{
+	int res = 0;
+	if (argc == 1)
+		res |= ls(".");
+	for (int i = 1; i < argc; ++i)
+		res |= ls(argv[i]);
+	return res;
+}
-- 
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