From 188f3acc54bc6c072acccf858bf3c97a02547292 Mon Sep 17 00:00:00 2001
From: 8nl <8nlight@disroot.org>
Date: Fri, 12 Jan 2024 16:55:46 +0000
Subject: [PATCH] Upload files to "/"

---
 Makefile  |  2 +-
 cutecat.c | 36 ++++++++++++++++++++++++++++--------
 2 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index b139e77..6f1ae59 100644
--- a/Makefile
+++ b/Makefile
@@ -2,4 +2,4 @@ CC?=cc
 CFLAGS?=-Os -s
 
 all:
-	$(CC) $(CFLAGS) cutecat.c -o cutecat
+	$(CC) $(CFLAGS) cutecat.c -o cutecat -lm
diff --git a/cutecat.c b/cutecat.c
index 982d87d..7483a43 100644
--- a/cutecat.c
+++ b/cutecat.c
@@ -5,15 +5,18 @@
 #include <string.h>
 #include <unistd.h>
 #include <ctype.h>
+#include <math.h>
+#define FREQ 220
 
 unsigned int d_flag;
-char eyes[] = {'U', 'O'};
+unsigned int r_flag;
 
 void OwO(char *buf, off_t len) {
 	if (d_flag)
 		return;
 
-	for (int i = 0; i < len / 10; i++) {
+	char eyes[] = {'U', 'O'};
+	for (int i = 0; i < len; i++) {
 		size_t i = rand() % len;
 
 		if (i + 3 < len && !isspace(buf[i]) && !isspace(buf[i + 1]) && !isspace(buf[i + 2])) {
@@ -26,6 +29,14 @@ void OwO(char *buf, off_t len) {
 	}
 }
 
+void PrintRainbow(char c, off_t i) {
+	int red = sin(FREQ * i) * 127 + 128;
+	int blue = sin(FREQ * i + 2 * M_PI / 3) * 127 + 128;
+	int green = sin(FREQ * i + 4 * M_PI / 3) * 127 + 128;
+
+	printf("\033[38;2;%d;%d;%dm%c\033[0m", red, green, blue, c);
+}
+
 int cat(const char *path) {
 	int fd = STDIN_FILENO;
 
@@ -37,13 +48,18 @@ int cat(const char *path) {
 		return 1;
 	}
 
-	char buf[513];
+	char buf[1025];
 	off_t len = 0;
+
 	while ((len = read(fd, buf, sizeof(buf))) > 0) {
 		OwO(buf, len);
-		if (write(STDOUT_FILENO, buf, len) != len) {
-			fprintf(stderr, "cutecat: %s\n", strerror(errno));
-			return 1;
+
+		for (off_t i = 0; i < len; i++) {
+			if (!isspace(buf[i]) && !r_flag)
+				PrintRainbow(buf[i], i);
+
+			else
+				putchar(buf[i]);
 		}
 	}
 
@@ -55,14 +71,18 @@ int cat(const char *path) {
 
 int main(int argc, char **argv) {
 	int opt;
-	while ((opt = getopt(argc, argv, "d")) != -1) {
+	while ((opt = getopt(argc, argv, "dr")) != -1) {
 		switch (opt) {
 			case 'd':
 				d_flag = 1;
 				break;
 
+			case 'r':
+				r_flag = 1;
+				break;
+
 			default:
-				printf("cutecat [file1 file2...]\n\t[-d Default mode]\n");
+				printf("cutecat [file1 file2...]\n\t[-d Default mode]\n\t[-r Print without colorise text]\n");
 				return 0;
 		}
 	}