'

simple_ls/simple_ls.c

@@ -0,0 +1,37 @@
+#include <dirent.h>
+#include <err.h>
+#include <stdio.h>
+
+static void simple_ls(char *path)
+{
+    if (path == NULL)
+        errx(1, "Internal error: Passed NULL path");
+
+    DIR *dir = opendir(path);
+    if (dir == NULL)
+        errx(1, "Internal error: cannot open directory");
+
+    struct dirent *element;
+    while ((element = readdir(dir)))
+    {
+        puts(element->d_name);
+    }
+
+    int res = closedir(dir);
+    if (res == -1)
+        errx(1, "Could not close dir");
+}
+
+int main(int argc, char **argv)
+{
+    if (argc < 2)
+        simple_ls(".");
+    else
+    {
+        for (int i = 1; i < argc; i++)
+        {
+            simple_ls(argv[i]);
+        }
+    }
+    return 0;
+}