From b4e134b66dbb54f784f879fd4fb3d16afa9c8de3 Mon Sep 17 00:00:00 2001
From: "j.r" <j.r@jugendhacker.de>
Date: Mon, 15 Mar 2021 17:04:23 +0100
Subject: [PATCH] Remove dependency on strndupa

Actually only glibc seems to implement this
---
 src/mode/pgp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mode/pgp.c b/src/mode/pgp.c
index 26ac252..9742035 100644
--- a/src/mode/pgp.c
+++ b/src/mode/pgp.c
@@ -175,7 +175,9 @@ char* _pgp_encrypt_message(xmppc_t *xmppc, char* recipient, char* message) {
 }
 
 static char* _pgp_remove_PGP_MESSAGE_comment(const char* message) {
-  char* tmp = strndupa(message, strlen(message) - (strlen(PGP_END)+1));
+  char* tmp = alloca((strlen(message) - strlen(PGP_END)+1) + 1);
+  strncpy(tmp, message, (strlen(message) - strlen(PGP_END)+1));
+  tmp[(strlen(message) - strlen(PGP_END)+1)] = '\0';
   tmp = tmp+((strlen(PGP_BEGIN) +1) * sizeof(char));
   char* result = malloc(strlen(tmp)+1);
   strcpy(result, tmp);
-- 
2.30.2

