src/helpers.c


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#include <helpers.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

void die(const char *msg) {
  fprintf(stderr, "panic: ");
  perror(msg);
  exit(EXIT_FAILURE);
}

void *safe_calloc(unsigned int i, size_t size) {
  void *x = calloc(i, size);
  if (x == NULL) {
    die("abort: calloc()");
  }
  return x;
}

void *safe_realloc(void *x, size_t size) {
  void *p = realloc(x, size);
  if (x == NULL) {
    die("abort: realloc()");
  }
  return p;
}

void alloc_zero(void *ptr, size_t size) { memset(ptr, 0, size); }