UE: factorize calloc() calls and exit on failure

common/utils/utils.c

@@ -0,0 +1,23 @@
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include "utils.h"
+
+void *calloc_or_fail(size_t size) {
+  void *ptr = calloc(1, size);
+  if (ptr == NULL) {
+    fprintf(stderr, "[UE] Failed to calloc %zu bytes", size);
+    exit(EXIT_FAILURE);
+  }
+  return ptr;
+}
+
+void *malloc_or_fail(size_t size) {
+  void *ptr = malloc(size);
+  if (ptr == NULL) {
+    fprintf(stderr, "[UE] Failed to malloc %zu bytes", size);
+    exit(EXIT_FAILURE);
+  }
+  return ptr;
+}