From: William Langford <wlangfor@gmail.com>
Date: Tue, 24 Mar 2015 02:11:55 +0000 (-0400)
Subject: Fix #735
X-Git-Tag: jq-1.5rc2~132
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0f7759f83106098312224e9cabc5464b8e19a3d0;p=jq

Fix #735
---

diff --git a/builtin.c b/builtin.c
index 99ce331..03c9081 100644
--- a/builtin.c
+++ b/builtin.c
@@ -218,6 +218,9 @@ static jv f_divide(jq_state *jq, jv input, jv a, jv b) {
 static jv f_mod(jq_state *jq, jv input, jv a, jv b) {
   jv_free(input);
   if (jv_get_kind(a) == JV_KIND_NUMBER && jv_get_kind(b) == JV_KIND_NUMBER) {
+    if ((intmax_t)jv_number_value(b) == 0) {
+      return jv_invalid_with_msg(jv_string("Cannot mod by zero."));
+    }
     return jv_number((intmax_t)jv_number_value(a) % (intmax_t)jv_number_value(b));
   } else {
     return type_error2(a, b, "cannot be divided");