Fixing ft_strcmp, Added ft_strcasecmp, ft_strncasecmp

6 files changed, 112 insertions, 4 deletions

diff --git a/src/str/ft_strcasecmp.c b/src/str/ft_strcasecmp.c
new file mode 100644
index 0000000..45ba592
--- /dev/null
+++ b/src/str/ft_strcasecmp.c
@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strcasecmp.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/10 04:08:38 by cacharle          #+#    #+#             */
+/*   Updated: 2020/02/10 04:22:56 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft_str.h"
+#include "libft_types.h"
+
+int	strcasecmp(const char *s1, const char *s2)
+{
+	while (*s1 && *s2 && ft_tolower(*s1) == ft_tolower(*s2))
+	{
+		s1++;
+		s2++;
+	}
+	return ((t_ftuchar)ft_tolower(*s1) - (t_ftuchar)ft_tolower(*s2));
+}
diff --git a/src/str/ft_strcmp.c b/src/str/ft_strcmp.c
index 1978286..aced711 100644
--- a/src/str/ft_strcmp.c
+++ b/src/str/ft_strcmp.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:16:07 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/21 01:58:27 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/02/10 04:18:11 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,5 +14,10 @@
 
 int	ft_strcmp(const char *s1, const char *s2)
 {
-	return (ft_memcmp(s1, s2, ft_strlen(s1) + 1));
+	while (*s1 && *s2 && *s1 == *s2)
+	{
+		s1++;
+		s2++;
+	}
+	return (*s1 - *s2);
 }
diff --git a/src/str/ft_strncasecmp.c b/src/str/ft_strncasecmp.c
new file mode 100644
index 0000000..1b6308d
--- /dev/null
+++ b/src/str/ft_strncasecmp.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strncasecmp.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/10 04:18:36 by cacharle          #+#    #+#             */
+/*   Updated: 2020/02/10 04:21:10 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+#include "libft_types.h"
+
+int	strncasecmp(const char *s1, const char *s2, size_t n)
+{
+	size_t	i;
+
+	if (n == 0)
+		return (0);
+	i = 0;
+	while (i + 1 < n && s1[i] && ft_tolower(s1[i]) == ft_tolower(s2[i]))
+		i++;
+	return ((t_ftuchar)ft_tolower(s1[i]) - (t_ftuchar)ft_tolower(s2[i]));
+}
diff --git a/src/str/ft_strncmp.c b/src/str/ft_strncmp.c
index cd303fc..caa052b 100644
--- a/src/str/ft_strncmp.c
+++ b/src/str/ft_strncmp.c
@@ -6,11 +6,12 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:27:34 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/21 01:56:32 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/02/10 04:17:50 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
+#include "libft_types.h"
 
 int	ft_strncmp(const char *s1, const char *s2, size_t n)
 {
@@ -21,5 +22,5 @@ int	ft_strncmp(const char *s1, const char *s2, size_t n)
 	i = 0;
 	while (i + 1 < n && s1[i] == s2[i] && s1[i])
 		i++;
-	return ((unsigned char)s1[i] - (unsigned char)s2[i]);
+	return ((t_ftuchar)s1[i] - (t_ftuchar)s2[i]);
 }
diff --git a/src/str/ft_strtolower.c b/src/str/ft_strtolower.c
new file mode 100644
index 0000000..2eb34c2
--- /dev/null
+++ b/src/str/ft_strtolower.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strtolower.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/10 04:10:01 by cacharle          #+#    #+#             */
+/*   Updated: 2020/02/10 04:12:21 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft_str.h"
+#include "libft_ctype.h"
+
+char	*ft_strtolower(char *s)
+{
+	int	i;
+
+	if (s == NULL)
+		return (NULL);
+	i = -1;
+	while (s[i])
+		s[i] = ft_tolower(s[i]);
+	return (s);
+}
diff --git a/src/str/ft_strtoupper.c b/src/str/ft_strtoupper.c
new file mode 100644
index 0000000..d4c49d5
--- /dev/null
+++ b/src/str/ft_strtoupper.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strtoupper.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/10 04:12:04 by cacharle          #+#    #+#             */
+/*   Updated: 2020/02/10 04:12:17 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft_str.h"
+#include "libft_ctype.h"
+
+char	*ft_strtolower(char *s)
+{
+	int	i;
+
+	if (s == NULL)
+		return (NULL);
+	i = -1;
+	while (s[i])
+		s[i] = ft_tolower(s[i]);
+	return (s);
+}