__INTERNAL_fmt: write_format_data writes to array directly; do not strcat __fmt_Buff to array

src/console.asm

@@ -524,14 +524,6 @@ __INTERNAL_fmt:
 	test	rbx, rbx
 	jz	.wrapup_print
 	mov	byte [r15+r10+1], EOS
-	lea	rdi, [r15]
-	lea	rsi, [rel __fmt_Buff]
-	mov	rdx, rbx
-	sub	rsp, SIZE_QWORD
-	push	r11
-	call	strcat
-	pop	rax
-	add	rsp, SIZE_QWORD
 	jmp	.quit
 	.wrapup_print:
 	mov	rax, NR_write

src/tests.asm

@@ -85,6 +85,7 @@ extern	strcat
 extern	strclr
 extern	strcmp
 extern	strfind
+extern	format
 ;convert.asm
 extern	atoi
 extern	itoa
@@ -421,7 +422,11 @@ section .rodata
 	addTest(fgetmod2, "fgetmod(statbuff2)")
 	fgetmodStr	db	"\t- File permissions of file '%s': %04o\n",EOS
 
+	fmt_str		db	"%s",EOS
+
 section .bss
+	fmt_out		resb	5
+	fmt_over	resb	64
 	inputBuffer_4	resb	4
 	inputBuffer_32	resb	32
 	strBuff1	resb	64
@@ -1660,6 +1665,16 @@ _start:
 	sub	rcx, r14
 	call	printf
 
+	lea	rdi, [rel fmt_out]
+	mov	rsi, 5
+	lea	rdx, [rel fmt_str]
+	xor	rcx, rcx
+	call	format
+	lea	rdi, [rel fmt_out]
+	call	puts
+	lea	rdi, [rel fmt_over]
+	call	puts
+
 ;--- exit()
 	xor	rdi, rdi
 	call	exit