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added ft_strnchr & ft_strrnchr

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Tanguy MAZE 2018-05-16 12:42:37 +02:00
parent 0ea4e74d77
commit c5a13918c2
4 changed files with 63 additions and 4 deletions
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4
Makefile
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@ -6,7 +6,7 @@
# By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2018/04/07 12:47:06 by tmaze #+# #+# #
# Updated: 2018/05/05 16:46:31 by tmaze ### ########.fr #
# Updated: 2018/05/16 12:22:34 by tmaze ### ########.fr #
# #
#******************************************************************************#
@ -19,7 +19,7 @@ NAME = libft.a
SRCS = ft_memset.c ft_bzero.c ft_memcpy.c ft_memccpy.c ft_memmove.c ft_memchr.c ft_memcmp.c ft_strlen.c ft_strdup.c ft_strcpy.c ft_strncpy.c ft_strcat.c ft_strncat.c ft_strlcat.c ft_strchr.c ft_strrchr.c ft_strstr.c ft_strnstr.c ft_strcmp.c ft_strncmp.c ft_atoi.c ft_isalpha.c ft_isdigit.c ft_isalnum.c ft_isascii.c ft_isprint.c ft_toupper.c ft_tolower.c \
ft_memalloc.c ft_memdel.c ft_strnew.c ft_strdel.c ft_strclr.c ft_striter.c ft_striteri.c ft_strmap.c ft_strmapi.c ft_strequ.c ft_strnequ.c ft_strsub.c ft_strjoin.c ft_strtrim.c ft_strsplit.c ft_itoa.c ft_putchar.c ft_putstr.c ft_putendl.c ft_putnbr.c ft_putchar_fd.c ft_putstr_fd.c ft_putendl_fd.c ft_putnbr_fd.c\
ft_lstnew.c ft_lstdelone.c ft_lstdel.c ft_lstadd.c ft_lstiter.c ft_lstmap.c \
ft_isupper.c ft_islower.c ft_str_is_alpha.c ft_str_is_lowercase.c ft_str_is_numeric.c ft_str_is_printable.c ft_str_is_uppercase.c ft_strcapitalize.c ft_strlcpy.c ft_strlowcase.c ft_strupcase.c ft_lstsize.c ft_lstgetat.c ft_lstgetlast.c ft_sort_params.c ft_print_words_tables.c ft_lstaddend.c ft_strndup.c ft_abs.c
ft_isupper.c ft_islower.c ft_str_is_alpha.c ft_str_is_lowercase.c ft_str_is_numeric.c ft_str_is_printable.c ft_str_is_uppercase.c ft_strcapitalize.c ft_strlcpy.c ft_strlowcase.c ft_strupcase.c ft_lstsize.c ft_lstgetat.c ft_lstgetlast.c ft_sort_params.c ft_print_words_tables.c ft_lstaddend.c ft_strndup.c ft_abs.c ft_strnchr.c ft_strrnchr.c
OBJS = $(SRCS:.c=.o)
INCLS = -I.

30
ft_strnchr.c Normal file
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@ -0,0 +1,30 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnchr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/05/16 11:41:02 by tmaze #+# #+# */
/* Updated: 2018/05/16 11:56:15 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include "libft.h"
char *ft_strnchr(const char *s, int c, int n)
{
int i;
char *tmp;
i = -1;
tmp = (char*)s;
while ((++i == 0 || tmp[i - 1]) && n > 0 && i < n)
{
printf("loop %d\nc: %c\ntmp[i]: %c\n", i, c, tmp[i]);
if (tmp[i] == c)
return (&tmp[i]);
}
return (NULL);
}

28
ft_strrnchr.c Normal file
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@ -0,0 +1,28 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strrnchr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/05/16 12:05:03 by tmaze #+# #+# */
/* Updated: 2018/05/16 12:32:26 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strrnchr(const char *s, int c, int n)
{
int s_len;
char *tmp;
s_len = ft_strlen(s);
tmp = (char*)s;
n = (s_len < n) ? s_len : n;
s_len = s_len - n;
while (n >= 0)
if (tmp[s_len + n--] == c)
return (&tmp[s_len + n + 1]);
return (NULL);
}

5
libft.h
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@ -6,7 +6,7 @@
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/04/08 00:12:36 by tmaze #+# #+# */
/* Updated: 2018/05/05 16:49:16 by tmaze ### ########.fr */
/* Updated: 2018/05/16 12:19:51 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
@ -129,5 +129,6 @@ void ft_print_words_tables(char **tab);
t_list *ft_lstaddend(t_list **alst, t_list *new);
char *ft_strndup(const char *s1, size_t n);
unsigned int ft_abs(int nb);
char *ft_strnchr(const char *s, int c, int n);
char *ft_strrnchr(const char *s, int c, int n);
#endif