feat(atoi_base): O(n) yay

Makefile

@@ -11,6 +11,7 @@ SRC = \
 	ft_list_push_front.s \
 	ft_list_sort.s \
 	ft_list_remove_if.s \
+	ft_atoi_base.s \
 
 OBJ = $(SRC:.s=.o)
 

ft_atoi_base.s

@@ -0,0 +1,123 @@
+global ft_atoi_base
+extern malloc ; for LUT
+extern free ; for LUT
+
+ft_atoi_base:
+	push rsp
+	push rbx
+	push r12 ; sign
+	push r13 ; base
+	push r14 ; return value
+	push r15 ; base LUT
+	push rdi
+	push rsi
+	mov rdi, 128
+	call malloc WRT ..plt
+	mov r15, rax
+	pop rsi
+	pop rdi
+	push rdi
+	push rsi
+
+	xor rcx, rcx
+.init_lut_loop: ; sets LUT to 0
+	cmp rcx, 128 
+	je .set_base
+	mov byte [r15 + rcx], 0
+	inc rcx
+	jmp .init_lut_loop
+
+.set_base:
+	xor rcx, rcx ; rcx is base length/count
+.set_base_loop:
+	cmp byte [rsi + rcx], 0
+	je .check_base_len
+	cmp byte [rsi + rcx], 43
+	je .error
+	cmp byte [rsi + rcx], 45
+	je .error
+	cmp byte [rsi + rcx], 126
+	jg .error
+	cmp byte [rsi + rcx], 33
+	jl .error
+	xor rbx, rbx
+	mov bl, byte [rsi + rcx]
+	cmp byte [r15 + rbx], 0
+	jne .error
+	mov rdx, rcx
+	inc rdx
+	mov byte [r15 + rbx], dl
+	inc rcx
+	jmp .set_base_loop
+
+.check_base_len:
+	cmp rcx, 2
+	jl .error
+	mov r13, rcx
+
+	xor rcx, rcx ; index = 0
+	xor r14, r14 ; number = 0
+	mov r12, 1 ; sign = 0
+.skip_white_spaces:
+	cmp byte [rdi + rcx], 33
+	jle .skip_once
+	cmp byte [rdi + rcx], 126
+	jg .skip_once
+	jmp .get_sign_loop
+
+.skip_once:
+	inc rcx
+	jmp .skip_white_spaces
+
+.get_sign_loop:
+	cmp byte [rdi + rcx], 43
+	je .pos_once
+	cmp byte [rdi + rcx], 45
+	je .neg_once
+	jmp .get_number_loop
+
+.pos_once:
+	inc rcx
+	jmp .get_sign_loop
+
+.neg_once:
+	neg r12
+	inc rcx
+	jmp .get_sign_loop
+
+.get_number_loop:
+	xor rbx, rbx
+	mov bl, byte [rdi + rcx]
+	cmp bl, 0
+	je .done
+	mov bl, byte [r15 + rbx] ; set bl to base index
+	cmp bl, 0
+	je .done
+	mov rax, r14
+	mul r13
+	mov r14, rax
+	dec rbx
+	add r14, rbx
+	inc rcx
+	jmp .get_number_loop
+
+.error:
+	mov r14, 0
+
+.done:
+	mov rdi, r15
+	call free WRT ..plt
+	mov rax, r14
+	cmp r12, 1
+	je .exit
+	neg rax	
+.exit:
+	pop rsi
+	pop rdi
+	pop r15
+	pop r14
+	pop r13
+	pop r12
+	pop rbx
+	pop rsp
+	ret

libasm.h

@@ -21,6 +21,7 @@ void ft_list_push_front(t_list **, void *);
 int ft_list_size(t_list *);
 void ft_list_sort(t_list **, int (*)());
 void ft_list_remove_if(t_list **, void *, int (*)(), void (*)(void *));
+int ft_atoi_base(char *, char *);
 
 void ft_list_print(t_list *begin_list);
 

main.c

@@ -17,98 +17,11 @@ int ft_strcmp(const char *s1, const char *s2) {
 }
 
 int main(void) {
-	/*
+	t_list *l = NULL;
-	t_list *list;
+	ft_list_push_front(&l, "Salut\n");
-
+	ft_list_print(l);
-	list = NULL;
+	int test = ft_atoi_base("700chmod", "01234567");
-
+	printf("%d\n", test);
-	ft_list_push_front(&list, "toto\n");
-	ft_list_push_front(&list, "tutu\n");
-	ft_list_push_front(&list, "zaza\n");
-	ft_list_push_front(&list, "bobo\n");
-	ft_list_push_front(&list, "tata\n");
-	ft_list_push_front(&list, "babar\n");
-	ft_list_push_front(&list, "zoro\n");
-
-	ft_list_print(list);
-
-	printf("%lu\n", sizeof(t_list));
-	printf("%d\n", ft_list_size(list));
-
-	ft_list_sort(&list, &ft_strcmp);
-
-	ft_list_print(list);
-
-	t_list *a;
-
-	a = NULL;
-	ft_list_push_front(&a, "d\n");
-	ft_list_push_front(&a, "c\n");
-	ft_list_push_front(&a, "b\n");
-	ft_list_push_front(&a, "a\n");
-
-	ft_list_print(a);
-
-	ft_list_sort(&a, &ft_strcmp);
-
-	printf("On est sorti.e.s de cet enfer\n");
-	ft_list_print(a);
-
-	t_list *b;
-
-	b = NULL;
-	ft_list_push_front(&b, "ziziron\n");
-	ft_list_push_front(&b, "abalon\n");
-	ft_list_push_front(&b, "zebulon\n");
-	ft_list_print(b);
-	ft_list_sort(&b, &ft_strcmp);
-	ft_list_print(b);
-
-	t_list *null = NULL;
-
-	ft_list_sort(&null, &ft_strcmp);
-
-	t_list *begin_ok = NULL;
-
-	ft_list_push_front(&begin_ok, "c");
-	ft_list_push_front(&begin_ok, "f");
-	ft_list_push_front(&begin_ok, "b");
-	ft_list_push_front(&begin_ok, "h");
-	ft_list_push_front(&begin_ok, "e");
-	ft_list_push_front(&begin_ok, "l");
-	ft_list_push_front(&begin_ok, "d");
-	ft_list_push_front(&begin_ok, "i");
-	ft_list_push_front(&begin_ok, "j");
-	ft_list_push_front(&begin_ok, "k");
-	ft_list_push_front(&begin_ok, "g");
-	ft_list_push_front(&begin_ok, "a");
-
-	ft_list_print(begin_ok);
-	printf("\n");
-	ft_list_sort(&begin_ok, &ft_strcmp);
-
-	printf("\n");
-	printf("\n");
-	ft_list_print(begin_ok);
-	printf("\n");
-*/
-	t_list *c = NULL;
-	ft_list_push_front(&c, "b\n");
-	ft_list_push_front(&c, "c\n");
-	ft_list_push_front(&c, "a\n");
-	ft_list_push_front(&c, "c\n");
-	ft_list_push_front(&c, "a\n");
-	ft_list_push_front(&c, "b\n");
-	ft_list_push_front(&c, "c\n");
-	ft_list_push_front(&c, "c\n");
-	ft_list_push_front(&c, "b\n");
-	ft_list_push_front(&c, "a\n");
-	ft_list_push_front(&c, "b\n");
-	ft_list_print(c);
-//	ft_list_sort(&c, *ft_strcmp);
-	ft_list_print(c);
-	ft_list_remove_if(&c, "b\n", &ft_strcmp, &do_nothing);
-	ft_list_print(c);
 
 	return 0;
 }