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ft_memchr: initial implementation

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Khaïs COLIN 2024-10-16 14:21:59 +02:00
parent b176bdaebe
commit aad909fe23
3 changed files with 59 additions and 2 deletions
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5
Makefile
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@ -6,7 +6,7 @@
# By: kcolin <marvin@42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2024/10/14 13:43:59 by kcolin #+# #+# #
# Updated: 2024/10/16 13:22:00 by kcolin ### ########.fr #
# Updated: 2024/10/16 13:50:09 by kcolin ### ########.fr #
# #
# **************************************************************************** #
@ -28,7 +28,8 @@ SOURCES = ft_isalpha.c \
ft_tolower.c \
ft_strchr.c \
ft_strrchr.c \
ft_strncmp.c
ft_strncmp.c \
ft_memchr.c
OBJECTS = $(SOURCES:.c=.o)
CC = gcc

54
ft_memchr.c Normal file
View file

@ -0,0 +1,54 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memchr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: kcolin <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/16 14:01:28 by kcolin #+# #+# */
/* Updated: 2024/10/16 14:05:38 by kcolin ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
void *ft_memchr(const void *s, int c, t_size n)
{
t_size i;
i = 0;
while (i < n)
{
if (((const unsigned char *)s)[i] == (unsigned char)c)
return ((void *)s + i);
i++;
}
return (0);
}
/*
#include <stdio.h>
#include <string.h>
int main(int argc, char **argv)
{
char *result;
t_size cmp_len;
cmp_len = 5;
if (argc > 2)
{
result = ft_memchr(argv[1], argv[2][0], cmp_len);
if (result == 0)
printf("(null)\n");
else
printf("%s\n", result);
result = memchr(argv[1], argv[2][0], cmp_len);
if (result == 0)
printf("(null)\n");
else
printf("%s\n", result);
}
return (0);
}
*/

2
libft.h
View file

@ -37,4 +37,6 @@ char *ft_strchr(const char *s, int c);
char *ft_strrchr(const char *s, int c);
int ft_strncmp(const char *s1, const char *s2, t_size n);
void *ft_memchr(const void *s, int c, t_size n);
#endif