grub2/SOURCES/0100-Don-t-use-dynamic-sized-arrays-since-we-don-t-build-.patch
2021-09-09 18:05:08 +00:00

44 lines
1.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Mon, 26 Jun 2017 12:42:57 -0400
Subject: [PATCH] Don't use dynamic sized arrays since we don't build with
-std=c99
---
grub-core/net/net.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 4be228d9576..fa3e2912643 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -1853,14 +1853,25 @@ grub_net_search_configfile (char *config)
{
/* By the Client UUID. */
- char client_uuid_var[sizeof ("net_") + grub_strlen (inf->name) +
- sizeof ("_clientuuid") + 1];
- grub_snprintf (client_uuid_var, sizeof (client_uuid_var),
+ char *client_uuid_var;
+ grub_size_t client_uuid_var_size;
+
+ client_uuid_var_size = grub_snprintf (NULL, 0,
+ "net_%s_clientuuid", inf->name);
+ if (client_uuid_var_size <= 0)
+ continue;
+ client_uuid_var_size += 1;
+ client_uuid_var = grub_malloc(client_uuid_var_size);
+ if (!client_uuid_var)
+ continue;
+ grub_snprintf (client_uuid_var, client_uuid_var_size,
"net_%s_clientuuid", inf->name);
const char *client_uuid;
client_uuid = grub_env_get (client_uuid_var);
+ grub_free(client_uuid_var);
+
if (client_uuid)
{
grub_strcpy (suffix, client_uuid);