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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_dstrinsert.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/03 14:00:44 by charles #+# #+# */
/* Updated: 2020/04/04 21:21:19 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft_dstr.h"
/*
** \brief Insert string in dynamic string
** \param dstr Dynamic string where the string will be inserted
** \param inserted Static string to insert
** \param i Index where it should be inserted
** \return Passed dynamic string or NULL on error
*/
t_ftdstr *ft_dstrinsert(t_ftdstr *dstr, char *inserted, size_t i)
{
size_t inserted_len;
if (i > dstr->length)
return (NULL);
inserted_len = ft_strlen(inserted);
if (ft_dstrgrow(dstr, dstr->capacity + inserted_len) == NULL)
return (NULL);
ft_memmove(dstr->str + i + inserted_len,
dstr->str + i,
dstr->length - i + 1);
ft_memcpy(dstr->str + i, inserted, inserted_len);
dstr->length += inserted_len;
return (dstr);
}
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