From 2cc6f50e5b04b903ca97d8a5479c95ca72b52547 Mon Sep 17 00:00:00 2001
From: JozanLeClerc <bousset.rudy@gmail.com>
Date: Sun, 26 Apr 2020 20:07:03 +0200
Subject: substsubtsubst

---
 libft/Makefile          |  1 +
 libft/inc/libft.h       |  3 +++
 libft/src/ft_strsubst.c | 36 ++++++++++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+)
 create mode 100644 libft/src/ft_strsubst.c

(limited to 'libft')

diff --git a/libft/Makefile b/libft/Makefile
index a5fabcb..858e90b 100644
--- a/libft/Makefile
+++ b/libft/Makefile
@@ -106,6 +106,7 @@ SRCS_NAME	+= ft_printf_get_s_putlen.c
 SRCS_NAME	+= ft_printf_process.c
 SRCS_NAME	+= ft_printf_cat_output.c
 SRCS_NAME	+= ft_printf_flag_to_atoi.c
+SRCS_NAME	+= ft_strsubst.c
 #------------------------------------------------------------------------------#
 SRCS		= $(addprefix ${SRCS_DIR},${SRCS_NAME})
 #------------------------------------------------------------------------------#
diff --git a/libft/inc/libft.h b/libft/inc/libft.h
index f85f4b3..5ddb471 100644
--- a/libft/inc/libft.h
+++ b/libft/inc/libft.h
@@ -106,6 +106,9 @@ char					*ft_uitoa_base(unsigned long n, char *base);
 char					*ft_strmapi(const char *s,
 								char (*f)(unsigned int, char));
 char					*ft_nstr(size_t size);
+char					*ft_strsubst(char *str,
+									const char *pattern,
+									const char *subst);
 char					**ft_split(const char *s, char c);
 
 /*
diff --git a/libft/src/ft_strsubst.c b/libft/src/ft_strsubst.c
new file mode 100644
index 0000000..dd89917
--- /dev/null
+++ b/libft/src/ft_strsubst.c
@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strsubst.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <libft.h>
+#include <stdlib.h>
+
+char
+	*ft_strsubst(char *str, const char *pattern, const char *subst)
+{
+	size_t	nlen;
+	char	*nstr;
+	char	*ptr;
+
+	if (!(ptr = ft_strnstr(str, pattern, ft_strlen(str))))
+		return (NULL);
+	nlen = ft_strlen(str) - ft_strlen(pattern) + ft_strlen(subst);
+	if (!(nstr = (char*)malloc((nlen + 1) * sizeof(char))))
+		return (NULL);
+	ft_memcpy(nstr, str, ptr - str);
+	ft_memcpy(nstr + (ptr - str), subst, ft_strlen(subst));
+	ft_memcpy(nstr + (ptr - str + ft_strlen(subst)),
+		str + (ptr - str + ft_strlen(pattern)),
+		ft_strlen(str + (ptr - str + ft_strlen(pattern))));
+	nstr[nlen + 1] = '\0';
+	ft_memdel((void*)&str);
+	return (nstr);
+}
-- 
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