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win32: do not crash on invalid utf8 conversion

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g_utf8_to_utf16() is not guaranteed to succeed. Check the error
and return if it failed.

https://bugzilla.gnome.org/show_bug.cgi?id=696232
This commit is contained in:
Marc-André Lureau
2013-03-20 23:12:56 +01:00
parent 10430feb8d
commit ed081e30b6
1 changed files with 8 additions and 1 deletions
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9
gdk/win32/gdkproperty-win32.c
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@ -158,6 +158,7 @@ gdk_property_change (GdkWindow *window,
guchar *ucptr;
wchar_t *wcptr, *p;
glong wclen;
GError *err = NULL;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
@ -207,7 +208,13 @@ gdk_property_change (GdkWindow *window,
return;
}
wcptr = g_utf8_to_utf16 ((char *) data, nelements, NULL, &wclen, NULL);
wcptr = g_utf8_to_utf16 ((char *) data, nelements, NULL, &wclen, &err);
if (err != NULL)
{
g_warning ("Failed to convert utf8: %s", err->message);
g_clear_error (&err);
return;
}
wclen++; /* Terminating 0 */
size = wclen * 2;