From a1a5f8b1f76859050945823a1dd85b45cff00b23 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Tue, 28 Nov 2023 21:43:15 +0300
Subject: [PATCH] ls color output

---
 coreutils/ls.c | 50 +++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 39 insertions(+), 11 deletions(-)

diff --git a/coreutils/ls.c b/coreutils/ls.c
index 467efe7..98f533c 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -1,5 +1,3 @@
-/* Bugs: unicode strlen, -l flag col */
-
 #include <pwd.h>
 #include <grp.h>
 #include <time.h>
@@ -19,6 +17,7 @@
 unsigned int a_flag;
 unsigned int l_flag;
 unsigned int F_flag;
+unsigned int c_flag;
 unsigned int p_flag;
 
 struct d_node {
@@ -127,17 +126,39 @@ void GetPerm(struct stat sb) {
 }
 
 int print(const struct d_node *node) {
+
+	/* F_flag and c_flag Make output look pretty */
 	char suf = ' ';
-	if (F_flag) {
-		if (S_ISDIR(node->stats.st_mode))
+	char *color = "";
+	if (S_ISDIR(node->stats.st_mode)) {
+		if (F_flag)
 			suf = '/';
 
-		else if ((node->stats.st_mode & S_IXUSR) || (node->stats.st_mode & S_IXGRP) || (node->stats.st_mode & S_IXOTH))
-			suf = '*';
+		color = "\033[34m";
 	}
 
+	else if (S_ISLNK(node->stats.st_mode)) {
+		if (F_flag)
+			suf = '@';
+
+		color = "\033[35m";
+	}
+
+	else if ((node->stats.st_mode & S_IXUSR) || (node->stats.st_mode & S_IXGRP) || (node->stats.st_mode & S_IXOTH)) {
+		if (F_flag)
+			suf = '*';
+
+		color = "\033[32m";
+	}
+
+
+	/* Output */
+	if (c_flag)
+		printf("%s", color);
+
+	int ret = 0;
 	if (!l_flag)
-		return printf("%s%c ", node->name, suf);
+		ret = printf("%s%c ", node->name, suf);
 
 	if (l_flag) {
 		GetPerm(node->stats);
@@ -151,10 +172,13 @@ int print(const struct d_node *node) {
 		struct passwd *pw = getpwuid(node->stats.st_uid);
 		struct group *gr = getgrgid(node->stats.st_gid);
 
-		return printf("  %s  %s  %10jd  %s  %s%c", (pw != 0) ? pw->pw_name : "nobody", (gr != 0) ? gr->gr_name : "nobody", (uintmax_t)node->stats.st_size, date, node->name, suf);
+		ret = printf("  %s  %s  %10jd  %s  %s%c", (pw != 0) ? pw->pw_name : "nobody", (gr != 0) ? gr->gr_name : "nobody", (uintmax_t)node->stats.st_size, date, node->name, suf);
 	}
 
-	return 0;
+	if (c_flag)
+		printf("\033[0m");
+
+	return ret;
 }
 
 void col_print(struct d_node **node, size_t files, struct winsize w) {
@@ -228,7 +252,7 @@ int ls(const char *dir_name, int label, struct winsize w) {
 
 int main(int argc, char **argv) {
 	int opt;
-	while ((opt = getopt(argc, argv, "alF")) != -1) {
+	while ((opt = getopt(argc, argv, "alFc")) != -1) {
 		switch (opt) {
 			case 'a':
 				a_flag = 1;
@@ -242,8 +266,12 @@ int main(int argc, char **argv) {
 				F_flag = 1;
 				break;
 
+			case 'c':
+				c_flag = 1;
+				break;
+
 			default:
-				printf("ls [path]\n\t[-a Show hidden files]\n\t[-l Use a long listing format]\n\t[-F Append indicator to names]\n");
+				printf("ls [path]\n\t[-a Show hidden files]\n\t[-l Use a long listing format]\n\t[-F Append indicator to names]\n\t[-c color mode]\n");
 				return 0;
 		}
 	}