From d8f2c10b7108fff6b7e437291093a1cadc15ab9f Mon Sep 17 00:00:00 2001
From: Tyler Murphy <tylerm@tylerm.dev>
Date: Sat, 6 May 2023 00:39:44 -0400
Subject: refactor

---
 command/whoami.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 command/whoami.c

(limited to 'command/whoami.c')

diff --git a/command/whoami.c b/command/whoami.c
new file mode 100644
index 0000000..5823b8f
--- /dev/null
+++ b/command/whoami.c
@@ -0,0 +1,30 @@
+#include "command.h"
+#include "lslib.h"
+
+#include <pwd.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static void help(void) {
+    printf("Usage: whoami\n\n");
+    printf("Print the username associated with the current effective user id\n");
+    exit(EXIT_SUCCESS);
+}
+
+COMMAND(whoami) {
+
+    uid_t usr;
+    struct passwd* passwd;
+
+    parse_help(argc, argv, help);
+
+    usr = getuid();
+    passwd = getpwuid(usr);
+    
+    if (passwd == NULL) {
+        printf("\x1b[1;91myou do not exist.\n");
+    } else {
+        printf("%s\n", passwd->pw_name);
+    }
+    return EXIT_SUCCESS;
+}
-- 
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