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sched.c: Make not return a sched id of 0.

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According to the API doxygen a sched ID of 0 is valid.  Unfortunately, 0
was never returned historically and several users incorrectly coded usage
of the returned sched ID assuming that 0 was invalid.

ASTERISK-25476

Change-Id: Ib19c7ebb44ec9fd393ef6646dea806d4f34e3a20
This commit is contained in:
Richard Mudgett
2015-11-30 16:42:47 -06:00
parent 145d10a5d0
commit ef77439e39
1 changed files with 9 additions and 2 deletions
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11
main/sched.c
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@@ -315,9 +315,16 @@ static int add_ids(struct ast_sched_context *con)
if (!new_id) {
break;
}
new_id->id = i;
/*
* According to the API doxygen a sched ID of 0 is valid.
* Unfortunately, 0 was never returned historically and
* several users incorrectly coded usage of the returned
* sched ID assuming that 0 was invalid.
*/
new_id->id = ++con->id_queue_size;
AST_LIST_INSERT_TAIL(&con->id_queue, new_id, list);
++con->id_queue_size;
}
return con->id_queue_size - original_size;