1 files changed, 9 insertions, 0 deletions
diff --git a/util.c b/util.c
index 6887ce9..cc7ccc0 100644
--- a/util.c
+++ b/util.c
@@ -7,3 +7,12 @@ i64 make_timestamp(void){
 	gettimeofday(&tv,NULL);
 	return (i64)tv.tv_sec*1000000+tv.tv_usec;
 }
+
+bool parse_i64(const char *str, i64 *out) {
+	if (str[0] == '\0') return false;
+	char *endp;
+	i64 result = strtoll(str, &endp, 10);
+	if (*endp != '\0') return false;
+	*out = result;
+	return true;
+}