libc

my libc
git clone git://git.evenfri.pw/libc.git
Log | Files | Refs | README

calloc.c (353B)

      1 /*
      2  * calloc.c - allocate and clear memory
      3  * Copyright (C) 2026. All rights reserved.
      4  */
      5 
      6 #include "libc.h"
      7 
      8 void* calloc(size_t nmemb, size_t size) {
      9   if (nmemb != 0 && size > (size_t)-1 / nmemb) {
     10     return NULL;
     11   }
     12 
     13   size_t total = nmemb * size;
     14 
     15   void *ptr = malloc(total);
     16   if (ptr != NULL) {
     17     memset(ptr, 0, total);
     18   }
     19   return ptr;
     20 }