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ft_strlcat.c
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ft_strlcat.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strlcat.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gpiccion <gpiccion@student.42wolfsburg. +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/01/29 17:54:28 by gpiccion #+# #+# */
/* Updated: 2022/01/29 17:54:28 by gpiccion ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
// Concatenates strings (dst + src). At most 'size - strlen(dst) - 1' bytes,
// NUL-terminating the result.
// Returns the total length of the string it tried to create.
// That means, the initial length of 'dst' plus the length of 'src'.
size_t ft_strlcat(char *dst, const char *src, size_t size)
{
size_t dst_size;
size_t src_size;
size_t i;
dst_size = ft_strlen(dst);
src_size = ft_strlen(src);
if (dst_size > size)
return (src_size + size);
else if (size != 0)
{
i = dst_size;
while (i < size - 1 && src[i - dst_size])
{
dst[i] = src[i - dst_size];
i++;
}
dst[i] = '\0';
return (src_size + dst_size);
}
else
{
return (src_size);
}
}