From 37a936ffda07438bfe935daf8c11d7b54f9bbba5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89rico=20Rolim?= <erico.erc@gmail.com>
Date: Tue, 3 Nov 2020 22:51:58 -0300
Subject: [PATCH] Fix off-by-one allocation error in gemini.

Forgot to account for additional slash.
---
 gemini.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gemini.c b/gemini.c
index 5f10a57..fdd427a 100644
--- a/gemini.c
+++ b/gemini.c
@@ -145,7 +145,8 @@ void free_gemini_redirect_link(void)
 char *walk_gemini_path(const char *path, const char *append)
 {
     size_t path_len = strlen(path), app_len = strlen(append);
-    char *rv = calloc(1, path_len + app_len + 1);
+    // enough to fit both strings + one additional slash + null termination
+    char *rv = calloc(1, path_len + app_len + 1 + 1);
     if (rv == NULL) {
         return NULL;
     }