Add files, first commit

1 files changed, 44 insertions, 0 deletions

diff --git a/ft_calloc.c b/ft_calloc.c
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--- /dev/null
+++ b/ft_calloc.c
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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"
+
+void	*ft_calloc(size_t nmemb, size_t size)
+{
+	void	*ptr;
+	size_t	totalsize;
+
+	totalsize = size * nmemb;
+	if (nmemb != 0 && totalsize / nmemb != size)
+		return (NULL);
+	if (totalsize == 0)
+		totalsize = 1;
+	ptr = malloc(totalsize);
+	if (!ptr)
+		return (NULL);
+	ft_bzero(ptr, totalsize);
+	return (ptr);
+}
+
+/*
+#include <stdio.h>
+
+int	main(void)
+{
+	printf("%p\n", ft_calloc(0, 0));
+}
+*/