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44 lines
1.4 KiB
44 lines
1.4 KiB
2 years ago
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Mon, 26 Jun 2017 12:42:57 -0400
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Subject: [PATCH] Don't use dynamic sized arrays since we don't build with
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-std=c99
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---
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grub-core/net/net.c | 17 ++++++++++++++---
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1 file changed, 14 insertions(+), 3 deletions(-)
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diff --git a/grub-core/net/net.c b/grub-core/net/net.c
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index 4be228d95..fa3e29126 100644
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--- a/grub-core/net/net.c
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+++ b/grub-core/net/net.c
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@@ -1853,14 +1853,25 @@ grub_net_search_configfile (char *config)
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{
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/* By the Client UUID. */
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- char client_uuid_var[sizeof ("net_") + grub_strlen (inf->name) +
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- sizeof ("_clientuuid") + 1];
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- grub_snprintf (client_uuid_var, sizeof (client_uuid_var),
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+ char *client_uuid_var;
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+ grub_size_t client_uuid_var_size;
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+
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+ client_uuid_var_size = grub_snprintf (NULL, 0,
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+ "net_%s_clientuuid", inf->name);
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+ if (client_uuid_var_size <= 0)
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+ continue;
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+ client_uuid_var_size += 1;
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+ client_uuid_var = grub_malloc(client_uuid_var_size);
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+ if (!client_uuid_var)
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+ continue;
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+ grub_snprintf (client_uuid_var, client_uuid_var_size,
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"net_%s_clientuuid", inf->name);
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const char *client_uuid;
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client_uuid = grub_env_get (client_uuid_var);
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+ grub_free(client_uuid_var);
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+
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if (client_uuid)
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{
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grub_strcpy (suffix, client_uuid);
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