「🔨」 fix(test/main.c): improving the tests readability

Makefile

@@ -33,12 +33,15 @@ clean:
 
 
 fclean: clean
-	rm $(NAME)
+	rm -f $(NAME)
+	rm -f $(t_NAME)
 
 re: fclean
 	$(MAKE) -s all
 
 test: $(OBJ)
+	rm -f out_libasm
+	rm -f out_libc
 	$(t_CC) $(OBJ) $(t_SRC) $(t_CFLAGS) -o $(t_NAME)
 
 .PHONY: clean fclean all re

src/mem/ft_strdup.s

@@ -0,0 +1,31 @@
+section .text
+global ft_strdup
+
+extern malloc
+extern ft_strlen
+extern ft_strcpy
+
+; char	*ft_strdup(const char *str)
+ft_strdup:
+	cmp rdi, 0
+	je .endz
+
+	push rdi
+	call ft_strlen
+	dec rax
+
+	mov rdi, rax
+	call malloc
+
+	mov rdx, rdi
+	mov rdi, rax
+	pop rsi
+	call ft_strcpy
+
+	jmp .end
+
+.endz:
+	mov rax, 0
+
+.end:
+	ret

src/sys/ft_read.s

@@ -0,0 +1,22 @@
+extern __errno_location
+
+section .text
+global ft_read
+
+; ssize_t ft_read(int fd, void *buf, size_t count);
+ft_read:
+	mov		eax, 0
+	syscall
+
+	cmp		rax, 0
+	jle		.error
+
+.ret:
+	ret
+
+.error:
+	mov		r10, rax
+	call	__errno_location wrt ..plt
+	mov		[rax], r10
+	mov		rax, -1
+	jmp		.ret

src/sys/ft_write.s

@@ -3,7 +3,7 @@ extern __errno_location
 section .text
 global ft_write
 
-; ssize_t write(int fd, const void *buf, size_t count);
+; ssize_t ft_write(int fd, const void *buf, size_t count);
 ft_write:
 	mov		eax, 1
 	syscall

src/tests/main.c

@@ -1,41 +1,66 @@
-int		ft_strlen(char *str);
-char	*ft_strcpy(char *dest, const char *src);
-int		ft_strcmp(const char *s1, const char *s2);
-int		ft_write(int fd, const char *buf, unsigned int count);
-
 #include <stdio.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
+
+ssize_t	ft_strlen(char *str);
+char	*ft_strcpy(char *dest, const char *src);
+int		ft_strcmp(const char *s1, const char *s2);
+ssize_t		ft_write(int fd, const char *buf, unsigned int count);
+ssize_t		ft_read(int fd, char *buf, unsigned int count);
+char	*ft_strdup(const char *str);
 
 int	main(void)
 {
 	printf("\n--- ft_strlen ---\n");
-	printf("arg : \"i love kissing girls\" | result : %d\n", ft_strlen("i love kissing girls"));
+	printf("arg: \"i love kissing girls\" | result: %ld (expected: %ld)\n", ft_strlen("i love kissing girls"), strlen("i love kissing girls"));
-	printf("arg : NULL | result : %d\n", ft_strlen(NULL));
+	printf("arg: \"\" | result: %ld (expected: %ld)\n", ft_strlen(""), strlen(""));
-	printf("arg : \"\" | result : %d\n", ft_strlen(""));
+	printf("EXCPETION: arg: NULL | result: %ld\n", ft_strlen(NULL));
 
 	printf("\n--- ft_strcpy ---\n");
 	char *a1 = calloc(sizeof(char), 10);
 	char *a2 = calloc(sizeof(char), 10);
-	printf("arg : \"abcdefgh\" | result : %s\n", ft_strcpy(a1, "abcdefgh"));
+	printf("arg: \"abcdefgh\" | result: %s ", ft_strcpy(a1, "abcdefgh"));
-	printf("arg : \"abcdefgh\" | result : %s\n", strcpy(a2, "abcdefgh"));
+	printf("(expected: %s)\n", strcpy(a2, "abcdefgh"));
-	printf("arg : \"67\" | result : %s\n", ft_strcpy(a1, "67"));
+	printf("arg: \"67\" | result: %s ", ft_strcpy(a1, "67"));
-	printf("arg : \"67\" | result : %s\n", strcpy(a2, "67"));
+	printf("(expected: %s)\n", strcpy(a2, "67"));
-	printf("EXCEPTION : dest : NULL | result : %s\n", ft_strcpy(NULL, "67"));
+	printf("EXCEPTION: dest: NULL | result: %s\n", ft_strcpy(NULL, "67"));
-	printf("EXCEPTION : src : NULL | result : %s\n", ft_strcpy(a2, NULL));
+	printf("EXCEPTION: src: NULL | result: %s\n", ft_strcpy(a2, NULL));
 
 
 	printf("\n--- ft_strcmp ---\n");
-	printf("arg : \"aaaaaa\" \"aaaa\" | result : %d (expected : %d)\n", ft_strcmp("aaaaaa", "aaaa"), strcmp("aaaaaa", "aaaa"));
+	printf("arg: \"aaaaaa\" \"aaaa\" | result: %d (expected: %d)\n", ft_strcmp("aaaaaa", "aaaa"), strcmp("aaaaaa", "aaaa"));
-	printf("arg : \"aaaa\" \"bb\" | result : %d (expected : %d)\n", ft_strcmp("aaaa", "bb"), strcmp("aaaa", "bb"));
+	printf("arg: \"aaaa\" \"bb\" | result: %d (expected: %d)\n", ft_strcmp("aaaa", "bb"), strcmp("aaaa", "bb"));
-	printf("arg : \"i love nixos !!\" \"i love nixos !!\" | result : %d (expected : %d)\n", ft_strcmp("i love nixos !!", "i love nixos !!"), strcmp("i love nixos !!", "i love nixos !!"));
+	printf("arg: \"i love nixos !!\" \"i love nixos !!\" | result: %d (expected: %d)\n", ft_strcmp("i love nixos !!", "i love nixos !!"), strcmp("i love nixos !!", "i love nixos !!"));
-	printf("EXCEPTION : s1 : NULL | result : %d \n", ft_strcmp(NULL, "hiiiii :D"));
+	printf("EXCEPTION: s1: NULL | result: %d \n", ft_strcmp(NULL, "hiiiii :D"));
-	printf("EXCEPTION : s2 : NULL | result : %d \n", ft_strcmp("hihi :3", NULL));
+	printf("EXCEPTION: s2: NULL | result: %d \n", ft_strcmp("hihi :3", NULL));
 
 	printf("\n--- ft_write ---\n");
-	printf("| 1 \"xd\" 2 | %d\n", ft_write(1, "xd", 2));
+	printf("arg: 1 \"xd\" 2 | result: %ld ", ft_write(1, "xd", 2));
-	printf("| 200 \"xd\" 2 | %d\n", ft_write(200, "xd", 2));
+	printf("(expected: %ld)\n", write(1, "xd", 2));
-	int fd = open("out", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+	printf("arg: 200 \"xd\" 2 | result: %ld ", ft_write(200, "xd", 2));
-	printf("| %d \"[...]\" 42 | %d\n", fd, ft_write(fd, "wizard money gang, we love casting spells\n", 42));
+	printf("(expected: %ld)\n", write(200, "xd", 2));
+	int fd = open("out_libasm", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+	int fd2 = open("out_libc", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+	printf("arg: %d \"[...]\" 42 | result: %ld ", fd, ft_write(fd, "wizard money gang, we love casting spells", 41));
+	printf("(expected: %ld)\n", write(fd2, "wizard money gang, we love casting spells", 41));
+	close(fd);
+
+	printf("\n--- ft_read ---\n");
+	char *xd = calloc(sizeof(char), 43);
+	printf("arg: 200 (buffer) 2 | result: %ld : \"%s\" ", ft_read(200, xd, 6), xd);
+	printf("(expected: %ld : \"%s\")\n", read(200, xd, 6), xd);
+	fd = open("out_libasm", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+	fd2 = open("out_libc", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+	printf("arg: %d (buffer) 42 | result: %ld : \"%s\" ", fd, ft_read(fd, xd, 41), xd);
+	printf("(expected: %ld : \"%s\")\n", read(fd2, xd, 41), xd);
+
+	printf("\n--- ft_strdup ---\n");
+	printf("%s\n", ft_strdup("this is a very cool test yayy"));
+	printf("%s\n", ft_strdup("hi"));
+	if (ft_strdup(NULL) == NULL)
+		printf("arg: NULL | %s\n", "(null)"); // because printf's behavior on NULL is unexpected, i will not try it (it segfaults on my computer :c)
+	else
+		printf("arg: NULL | %s\n (this should never happen)", ft_strdup(NULL));
 }