libc

my libc
git clone git://git.evenfri.xyz/libc.git
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calloc.c (348B)

      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   size_t total = nmemb * size;
     10   if (nmemb != 0 && total / nmemb != size) {
     11     return NULL;
     12   }
     13 
     14   void *ptr = malloc(total);
     15   if (ptr != NULL) {
     16     memset(ptr, 0, total);
     17   }
     18   return ptr;
     19 }