1 files changed, 34 insertions, 0 deletions

diff --git a/src/utils.c b/src/utils.c
new file mode 100644
index 0000000..c139929
--- /dev/null
+++ b/src/utils.c
@@ -0,0 +1,34 @@
+#include "utils.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+void print_line(void) {
+  printf("--------------------------------------------------\n");
+}
+
+void wait_enter(const char *msg) {
+  if (msg)
+    printf("%s", msg);
+  int c;
+  while ((c = getchar()) != '\n' && c != EOF)
+    ;
+}
+
+char ask_yes_no(const char *msg) {
+  char c = 'n';
+  printf("%s", msg);
+  if (scanf(" %c", &c) != 1)
+    c = 'n';
+  int flush;
+  while ((flush = getchar()) != '\n' && flush != EOF)
+    ;
+  return c;
+}
+
+void now_str(char *buf, size_t size) {
+  time_t t = time(NULL);
+  strftime(buf, size, "%Y-%m-%d %H:%M:%S", localtime(&t));
+}
+
+size_t rand_index(size_t max) { return max ? (size_t)(rand() % max) : 0; }