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gthreadedresolver: Fix logic in parse_res_text()

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and avoid a sign-compare warning.

Fixes #2209
This commit is contained in:
Peter Bloomfield 2020-09-26 11:11:44 -04:00 committed by Philip Withnall
parent 629bf398a2
commit 9ded33cf59
1 changed files with 1 additions and 1 deletions
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2
gio/gthreadedresolver.c
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@ -615,7 +615,7 @@ parse_res_txt (guchar *answer,
while (at < end)
{
len = *(at++);
if (len > at - end)
if (len > (gsize) (end - at))
break;
g_ptr_array_add (array, g_strndup ((gchar *)at, len));
at += len;