view help2html/must.c @ 7:57b2cc9b87f7

Use memcpy instead of strncpy when we know the length anyway. Modern gcc seems to think it knows how to detect misuse of strncpy, but it's wrong (in fact: very, very wrong) and the path of least resistance is to not try to fight with it.
author David A. Holland
date Mon, 30 May 2022 23:47:52 -0400
parents 13d2b8934445
children
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#include <stdlib.h>
#include <err.h>
#include "must.h"

void *must_malloc(size_t len) {
  void *x = malloc(len);
  if (!x) {
    errx(1, "Out of memory");
  }
  return x;
}

void *must_realloc(void *ptr, size_t len) {
  void *x = realloc(ptr, len);
  if (!x) {
    errx(1, "Out of memory");
  }
  return x;
}