Files
glib/gio
Philip Withnall 464dd6fb6b gwin32appinfo: Fix an incorrect size vs wide-length comparison
`value_size` is in bytes, whereas `ms_resource_prefix_len` is in wide
characters, so they cannot be compared directly. This meant that if
12 ≤ `value_size` < 24 then the call to `memcmp()` would read off the
end of `value`.

Fix it by using a wide-character and nul-aware comparison function and
operating only on wide-lengths. This is safe because
`g_win32_registry_key_get_value_w()` guarantees that string-typed return
values are nul-terminated.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>

Fixes: #3649
2025-04-01 15:50:00 +01:00
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