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src/string/printing.c

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+// this code is licenced under Wrathmark licence
+// © 2026 wullie wulliestudio.com 
+// please see attached licence for full usage and rights
+
+#include "LocalHeader.h"
+#include "stdWullie/definitions/typeNull.h"
+#include "stdWullie/String/colours.h"
+#include "stdWullie/exit.h"
+long unsigned lengthStr(char *string){
+
+	if(string == NULL){
+		safeError("a string was passed with a lenght of 0");
+	} 
+
+	char *cursor = string;
+	while(*cursor){
+		cursor++;
+	}
+	long unsigned result = cursor - string;
+	return result;
+}
+
+// its print what did you expect? for it to read?
+void printText(char *string){
+	syscall3(SYS_write, 1, (long)string, lengthStr(string));
+}
+
+void printReturn(char *string){
+	syscall3(SYS_write, 1, (long)string, lengthStr(string));
+	syscall3(SYS_write, 1, (long)"\n", 8);
+}
+
+// it can do everything that print can but better
+void ColourPrint(char *string, char *colour){
+	syscall3(SYS_write, 1, (long)colour, lengthStr(colour));
+	syscall3(SYS_write, 1, (long)string, lengthStr(string));
+	syscall3(SYS_write, 1, (long)NORMAL, sizeof(NORMAL)-1);
+}
+
+// changes background instead of foreground
+void BackgroundPrint(char *string, char *Bcolour){
+	syscall3(SYS_write, 1, (long)Bcolour, lengthStr(Bcolour));
+	syscall3(SYS_write, 1, (long)string, lengthStr(string));
+	syscall3(SYS_write, 1, (long)NORMAL, sizeof(NORMAL)-1);
+}
+
+// changes all letters to upper or lower depending on whats called
+void upper(char string[]){
+	int i = 0;
+	while(string[i] != '\0'){
+		if(string[i] >= 'a' && string[i] <= 'z'){
+			string[i] = string[i] - 32;
+		}
+		i++;
+	}
+}
+
+void lower(char string[]){
+	int i = 0;
+	while(string[i] != '\0'){
+		if(string[i] >= 'A' && string[i] <= 'Z'){
+			string[i] = string[i] + 32;
+		}
+		i++;
+	}
+}