mem functions finished

Author: Petr Helebrant

Makefile

@@ -6,7 +6,7 @@
 #    By: phelebra <xhelp00@gmail.com>               +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2023/01/13 09:54:20 by phelebra          #+#    #+#              #
-#    Updated: 2023/01/13 14:20:36 by phelebra         ###   ########.fr        #
+#    Updated: 2023/01/13 16:18:59 by phelebra         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -16,12 +16,12 @@ RM		:=	rm -f
 
 NAME	:=	libft.a
 
-SRCS	:= 	ft_isascii.c ft_isprint.c ft_isalpha.c ft_isdigit.c ft_isalnum.c \
-			ft_tolower.c ft_toupper.c ft_strlen.c ft_memset.c ft_memchr.c \
-			ft_atoi.c ft_memcmp.c ft_strncmp.c \
+SRCS	:= 	ft_isascii.c ft_isprint.c ft_isalpha.c ft_isdigit.c ft_isalnum.c 	\
+			ft_tolower.c ft_toupper.c ft_strlen.c ft_memset.c ft_memchr.c 		\
+			ft_atoi.c ft_memcmp.c ft_strncmp.c ft_memcpy.c	ft_memmove.c		\
 			# ft_strlcpy.c ft_strlcat.c  \
 			ft_strnstr.c ft_strchr.c ft_strrchr.c 	 \
-			ft_bzero.c ft_memcpy.c ft_memmove.c  	 \
+			ft_bzero.c   	 \
 			ft_calloc.c ft_strdup.c ft_substr.c ft_strjoin.c 	 \
 			ft_strtrim.c ft_split.c ft_itoa.c ft_strmapi.c ft_striteri.c 	 \
 			ft_putchar_fd.c ft_putstr_fd.c ft_putendl_fd.c ft_putnbr_fd.c 	 \

README.md

@@ -1,13 +1,8 @@
 • bzero
-• memcpy
-• memmove
 • strlcpy
 • strlcat
 • strchr
 • strrchr
-• strncmp
-• memchr - to be tested
-• memcmp
 • strnstr
 • calloc
 • strdup

ft_memcpy.c

@@ -6,8 +6,23 @@
 /*   By: phelebra <xhelp00@gmail.com>               +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/10 17:03:08 by phelebra          #+#    #+#             */
-/*   Updated: 2023/01/13 10:31:48 by phelebra         ###   ########.fr       */
+/*   Updated: 2023/01/13 15:42:56 by phelebra         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
+
+void	*ft_memcpy(void *dest, const void *src, size_t n)
+{
+	size_t	i;
+
+	i = 0;
+	if (!dest & !src)
+		return (0);
+	while (i < n)
+	{
+		((unsigned char *)dest)[i] = ((unsigned char *)src)[i];
+		i++;
+	}
+	return (dest);
+}

ft_memmove.c

@@ -6,8 +6,35 @@
 /*   By: phelebra <xhelp00@gmail.com>               +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/10 17:03:38 by phelebra          #+#    #+#             */
-/*   Updated: 2023/01/13 10:31:45 by phelebra         ###   ########.fr       */
+/*   Updated: 2023/01/13 16:32:57 by phelebra         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
+
+void	*ft_memmove(void *dest, const void *src, size_t n)
+{
+	size_t			i;
+
+	if (!dest && !src)
+		return (0);
+	i = 0;
+	if ((size_t)dest - (size_t)src < n)
+	{
+		i = n - 1;
+		while (i < n)
+		{
+			((unsigned char *)dest)[i] = ((unsigned char *)src)[i];
+			i--;
+		}
+	}
+	else
+	{
+		while (i < n)
+		{
+			((unsigned char *)dest)[i] = ((unsigned char *)src)[i];
+			i++;
+		}
+	}
+	return (dest);
+}

libft.h

@@ -6,27 +6,29 @@
 /*   By: phelebra <xhelp00@gmail.com>               +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/01/13 10:17:52 by phelebra          #+#    #+#             */
-/*   Updated: 2023/01/13 14:19:01 by phelebra         ###   ########.fr       */
+/*   Updated: 2023/01/13 16:21:26 by phelebra         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef LIBFT_H
 # define LIBFT_H
 
-#include <unistd.h>
+# include <unistd.h>
 
-int	ft_isalpha(int c);
-int	ft_isdigit(int c);
-int	ft_isalnum(int c);
-int	ft_isascii(int c);
-int	ft_isprint(int c);
-int	ft_tolower(int c);
-int	ft_toupper(int c);
-int	ft_atoi(const char *s);
+int		ft_isalpha(int c);
+int		ft_isdigit(int c);
+int		ft_isalnum(int c);
+int		ft_isascii(int c);
+int		ft_isprint(int c);
+int		ft_tolower(int c);
+int		ft_toupper(int c);
+int		ft_atoi(const char *s);
 size_t	ft_strlen(char *s);
 void	*ft_memset(void *p, int c, size_t n);
 void	*ft_memchr(const void *s, int c, size_t n);
-int	ft_memcmp(const void *s1, const void *s2, size_t n);
-int	ft_strncmp(const char *s1, const char *s2, size_t n);
+int		ft_memcmp(const void *s1, const void *s2, size_t n);
+int		ft_strncmp(const char *s1, const char *s2, size_t n);
+void	*ft_memcpy(void *dest, const void *src, size_t n);
+void	*ft_memmove(void *dest, const void *src, size_t n);
 
 #endif