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/*
Libft Copyright (C) 2026 yctct
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "libft.h"
char *ft_substr(char const *s, unsigned int start, size_t len)
{
char *ptr;
size_t s_len;
size_t ptr_len;
if (!s)
return (NULL);
s_len = ft_strlen(s);
if (s_len <= start)
return (ft_strdup(""));
else if (s_len > start + len)
ptr_len = len;
else
ptr_len = s_len - start;
ptr = malloc(ptr_len + 1);
ft_strlcpy(ptr, &s[start], ptr_len + 1);
return (ptr);
}
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