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Stop compiler complaining of empty if statement when LWIP_DEBUGF() empty.

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This commit is contained in:
softins 2004-07-27 16:08:05 +00:00
parent 42a6fa972d
commit 4680307a34
1 changed files with 11 additions and 5 deletions
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16
src/core/pbuf.c
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@ -740,7 +740,7 @@ pbuf_queue(struct pbuf *p, struct pbuf *n)
p = p->next;
/* { p->tot_len == p->len => p is last pbuf of a packet } */
}
/* { p is last pbuf of a packet }
/* { p is last pbuf of a packet } */
/* proceed to next packet on queue */
#endif
/* proceed to next pbuf */
@ -843,7 +843,9 @@ pbuf_take(struct pbuf *p)
/* PBUF_POOL buffers are faster if we can use them */
if (p->len <= PBUF_POOL_BUFSIZE) {
q = pbuf_alloc(PBUF_RAW, p->len, PBUF_POOL);
if (q == NULL) LWIP_DEBUGF(PBUF_DEBUG | DBG_TRACE | 2, ("pbuf_take: Could not allocate PBUF_POOL\n"));
if (q == NULL) {
LWIP_DEBUGF(PBUF_DEBUG | DBG_TRACE | 2, ("pbuf_take: Could not allocate PBUF_POOL\n"));
}
} else {
/* no replacement pbuf yet */
q = NULL;
@ -852,7 +854,9 @@ pbuf_take(struct pbuf *p)
/* no (large enough) PBUF_POOL was available? retry with PBUF_RAM */
if (q == NULL) {
q = pbuf_alloc(PBUF_RAW, p->len, PBUF_RAM);
if (q == NULL) LWIP_DEBUGF(PBUF_DEBUG | DBG_TRACE | 2, ("pbuf_take: Could not allocate PBUF_RAM\n"));
if (q == NULL) {
LWIP_DEBUGF(PBUF_DEBUG | DBG_TRACE | 2, ("pbuf_take: Could not allocate PBUF_RAM\n"));
}
}
/* replacement pbuf could be allocated? */
if (q != NULL)
@ -935,8 +939,10 @@ pbuf_dechain(struct pbuf *p)
/* q is no longer referenced by p, free it */
LWIP_DEBUGF(PBUF_DEBUG | DBG_STATE, ("pbuf_dechain: unreferencing %p\n", (void *)q));
tail_gone = pbuf_free(q);
if (tail_gone > 0) LWIP_DEBUGF(PBUF_DEBUG | DBG_STATE,
("pbuf_dechain: deallocated %p (as it is no longer referenced)\n", (void *)q));
if (tail_gone > 0) {
LWIP_DEBUGF(PBUF_DEBUG | DBG_STATE,
("pbuf_dechain: deallocated %p (as it is no longer referenced)\n", (void *)q));
}
/* return remaining tail or NULL if deallocated */
}
/* assert tot_len invariant: (p->tot_len == p->len + (p->next? p->next->tot_len: 0) */