1 files changed, 27 insertions, 0 deletions
diff --git a/send/util.h b/send/util.h
new file mode 100644
index 0000000..5f1a698
--- /dev/null
+++ b/send/util.h
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+static void
+warn(const char *msg) {
+	if (errno != 0)
+		perror(msg);
+	else
+		fprintf(stderr, "error: %s\n", msg);
+}
+
+static void
+error(const char *msg) {
+	warn(msg);
+	exit(1);
+}
+
+static int 
+make_mhash(char *m) {
+	int hash = 0;
+	while (*m != 0) {
+		hash += *m;
+		m++;
+	}
+	return hash;
+}