printf(): Add %c, add test for %c and args on stack

src/tests.asm

@@ -16,11 +16,11 @@ extern	strclr
 section .rodata
 	TEST_print		equ	0
 	TEST_puts		equ	0
-	TEST_printf		equ	0
+	TEST_printf		equ	1
 	TEST_strlen		equ	0
 	TEST_strcpy		equ	0
 	TEST_strcat		equ	0
-	TEST_strclr		equ	1
+	TEST_strclr		equ	0
 
 	str1			db	"Hello, world!",EOS
 	str2			db	"Hello, World!",EOS
@@ -42,6 +42,17 @@ section .rodata
 	printf2Str		db	"Are %s doing %s?",NL,EOS
 	printf2Str1		db	"you",EOS
 	printf2Str2		db	"okay",EOS
+	printf3			db	TAB,"printf(",DQUO,"%c%c%c%c%c there %c%c %s%c\n",DQUO,"): ",NL,TAB,TAB,EOS
+	printf3Str		db	"%c%c%c%c%c there %c%c %s%c",NL,EOS
+	printf3C1		equ	'H'
+	printf3C2		equ	'e'
+	printf3C3		equ	'l'
+	printf3C4		equ	'l'
+	printf3C5		equ	'o'
+	printf3C6		equ	'm'
+	printf3C7		equ	'y'
+	printf3Str1		db	"friend",EOS
+	printf3C8		equ	'!'
 
 	; strlen()
 	strlenStr1		db	"Hello",EOS
@@ -114,6 +125,22 @@ _start:
 	lea	rsi, [rel printf2Str1]
 	lea	rdx, [rel printf2Str2]
 	call	printf
+
+	; TEST 3
+	lea	rdi, [rel printf3]
+	call	print
+	lea	rdi, [rel printf3Str]
+	mov	rsi, printf3C1
+	mov	rdx, printf3C2
+	mov	rcx, printf3C3
+	mov	r8, printf3C4
+	mov	r9, printf3C5
+	push	printf3C8
+	push	printf3Str1
+	push	printf3C7
+	push	printf3C6
+	call	printf
+	add	rsp, SIZE_QWORD * 4
 %endif
 
 ;---