From d699849b2360f90c61f645c5d4d4232cd3e1c962 Mon Sep 17 00:00:00 2001 From: Thomas Vanbesien Date: Sat, 21 Feb 2026 12:39:20 +0100 Subject: Initial commit: libft Part 1 with tests and documentation Reimplements 24 libc functions with Doxygen-documented header and test suite comparing against libc. --- ft_calloc.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 ft_calloc.c (limited to 'ft_calloc.c') diff --git a/ft_calloc.c b/ft_calloc.c new file mode 100644 index 0000000..7726c64 --- /dev/null +++ b/ft_calloc.c @@ -0,0 +1,19 @@ +#include "libft.h" +#include + +void * +ft_calloc (size_t nmemb, size_t size) +{ + void *ptr; + size_t total; + + // Detect multiplication overflow before allocating. + if (nmemb && size > (size_t)-1 / nmemb) + return (NULL); + total = nmemb * size; + ptr = malloc (total); + if (!ptr) + return (NULL); + ft_bzero (ptr, total); + return (ptr); +} -- cgit v1.2.3