From 7e85cd570d78fad7375917b3fcc4ee5cfacfeaab Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Sat, 14 Sep 2024 14:43:22 +0200
Subject: [PATCH] Fixed crash in xs_multipart_form_data().

---
 xs_url.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xs_url.h b/xs_url.h
index efc883b..d6dd47a 100644
--- a/xs_url.h
+++ b/xs_url.h
@@ -143,6 +143,11 @@ xs_dict *xs_multipart_form_data(const char *payload, int p_size, const char *hea
             if (p[0] == 13 && p[1] == 10)
                 break;
             q = strchr(p, '\r');
+
+            /* unexpected formatting, fail immediately */
+            if (q == NULL)
+                return p_vars;
+
             s1 = xs_realloc(NULL, q - p + 1);
             memcpy(s1, p, q - p);
             s1[q - p] = '\0';