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libCom: check calloc() failure in RTEMS-posix/osdMessageQueue.c

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This commit is contained in:
Ralph Lange
2023-05-31 19:11:22 +02:00
committed by Michael Davidsaver
parent b51d1de283
commit 6636b4b9e7
1 changed files with 4 additions and 0 deletions
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4
modules/libcom/src/osi/os/RTEMS-posix/osdMessageQueue.c
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@@ -41,6 +41,10 @@ epicsMessageQueueCreate(unsigned int capacity, unsigned int maximumMessageSize)
{
struct mq_attr the_attr;
epicsMessageQueueId id = (epicsMessageQueueId)calloc(1, sizeof(*id));
if (!id) {
fprintf (stderr, "Can't allocate message queue: %s\n", strerror(errno));
return NULL;
}
sprintf(id->name, "MQ_%0d", epicsAtomicIncrIntT(&idCnt));
the_attr.mq_maxmsg = capacity;
the_attr.mq_msgsize = maximumMessageSize;