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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strsjoin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/04 14:30:08 by charles #+# #+# */
/* Updated: 2020/04/04 23:34:30 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft_str.h"
/*
** \brief Join null-terminated array of strings
** \param strs Array of strings
** \param delim String iterspersed between strings
** \return Joined string or NULL on error
** \note Empty strings are ignored
*/
char *ft_strsjoin(char **strs, char *delim)
{
int i;
size_t join_len;
size_t delim_len;
char *join;
delim_len = ft_strlen(delim);
join_len = 0;
i = -1;
while (strs[++i] != NULL)
{
join_len += ft_strlen(strs[i]);
if (strs[i + 1] != NULL)
join_len += delim_len;
}
if ((join = (char*)malloc(sizeof(char) * (join_len + 1))) == NULL)
return (NULL);
join[0] = '\0';
i = -1;
while (strs[++i] != NULL)
{
ft_strcat(join, strs[i]);
if (*strs[i] != '\0' && strs[i + 1] != NULL)
ft_strcat(join, delim);
}
return (join);
}
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