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Clarify g_propagate_error docs

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I just ran into a bug that was caused by having src being a
persistent GError* that was not cleared after propagating it.
This commit is contained in:
Matthias Clasen 2014-10-10 14:17:56 -04:00
parent 0bfea5e772
commit 26c66ab1b9
1 changed files with 4 additions and 0 deletions
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4
glib/gerror.c
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@ -604,6 +604,10 @@ g_set_error_literal (GError **err,
* *
* If @dest is %NULL, free @src; otherwise, moves @src into *@dest. * If @dest is %NULL, free @src; otherwise, moves @src into *@dest.
* The error variable @dest points to must be %NULL. * The error variable @dest points to must be %NULL.
*
* Note that @src is no longer valid after this call. If you want
* to keep using the same GError*, you need to set it to %NULL
* after calling this function on it.
*/ */
void void
g_propagate_error (GError **dest, g_propagate_error (GError **dest,