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dns: fix creating resolv.conf content

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g_string_new_len() allocates the buffer with length
bytes. Maybe it should be obvious (wasn't to me), but
if a init argument is given, that is taken as containing
length bytes.

So,

    str = g_string_new_len (init, len);

is more like

    str = g_string_new_len (NULL, len);
    g_string_append_len (str, init, len);

and not (how I wrongly thought)

    str = g_string_new_len (NULL, len);
    g_string_append (str, init);

Fixes: 95b006c244
(cherry picked from commit 511709c54d)
This commit is contained in:
Thomas Haller 2018-09-21 13:09:02 +02:00
parent 23d9a5218a
commit ce88f7c404
1 changed files with 3 additions and 1 deletions
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4
src/dns/nm-dns-manager.c
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@ -589,7 +589,9 @@ create_resolv_conf (char **searches,
GString *str;
gsize i;
str = g_string_new_len ("# Generated by NetworkManager\n", 245);
str = g_string_new_len (NULL, 245);
g_string_append (str, "# Generated by NetworkManager\n");
if (searches && searches[0]) {
g_string_append (str, "search");