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feat(str/strncpy): adding the function strncpy

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- strncpy allowed to copy a string into an other with a limitation fix
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Raphael 2025-09-01 18:48:57 +02:00
parent 905ffd4b72
commit 1dcd4f5b09
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2 changed files with 38 additions and 1 deletions
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3
includes/str.h
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@ -6,7 +6,7 @@
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */ /* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/31 15:04:59 by rparodi #+# #+# */ /* Created: 2024/10/31 15:04:59 by rparodi #+# #+# */
/* Updated: 2025/09/01 17:56:24 by rparodi ### ########.fr */ /* Updated: 2025/09/01 18:47:05 by rparodi ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
@ -21,6 +21,7 @@ char *ft_strcpy(char *dst, const char *src);
char *ft_strdup(const char *s); char *ft_strdup(const char *s);
char *ft_strjoin(char const *s1, char const *s2); char *ft_strjoin(char const *s1, char const *s2);
char *ft_strmapi(char const *s, char (*f)(unsigned int, char)); char *ft_strmapi(char const *s, char (*f)(unsigned int, char));
char *ft_strncpy(char *dst, const char *src, size_t size);
char *ft_strnstr(const char *big, const char *little, size_t len); char *ft_strnstr(const char *big, const char *little, size_t len);
char *ft_strrchr(const char *s, int c); char *ft_strrchr(const char *s, int c);
char *ft_strtrim(char const *s1, char const *set); char *ft_strtrim(char const *s1, char const *set);

36
str/ft_strncpy.c Normal file
View file

@ -0,0 +1,36 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strncpy.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/31 16:14:10 by rparodi #+# #+# */
/* Updated: 2025/09/01 18:46:55 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include <stddef.h>
/**
* @brief Copies a string.
*
* @param dst The destination buffer.
* @param src The source string.
* @param size The size to copy
*
* @return A pointer to `dst`.
*/
char *ft_strcpy(char *dst, const char *src, size_t size)
{
size_t i;
i = 0;
while (src[i] || i < size)
{
dst[i] = src[i];
i++;
}
dst[i] = '\0';
return (dst);
}