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Fixed my last chagne to pbuf_copy

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This commit is contained in:
goldsimon 2012-01-21 16:57:53 +01:00
parent b15e60243b
commit fc2efaeb8c
1 changed files with 6 additions and 6 deletions
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12
src/core/pbuf.c
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@ -875,18 +875,18 @@ pbuf_copy(struct pbuf *p_to, struct pbuf *p_from)
offset_to += len; offset_to += len;
offset_from += len; offset_from += len;
LWIP_ASSERT("offset_to <= p_to->len", offset_to <= p_to->len); LWIP_ASSERT("offset_to <= p_to->len", offset_to <= p_to->len);
if (offset_to == p_to->len) {
/* on to next p_to (if any) */
offset_to = 0;
p_to = p_to->next;
LWIP_ERROR("p_to != NULL", p_to != NULL, return ERR_ARG;);
}
LWIP_ASSERT("offset_from <= p_from->len", offset_from <= p_from->len); LWIP_ASSERT("offset_from <= p_from->len", offset_from <= p_from->len);
if (offset_from >= p_from->len) { if (offset_from >= p_from->len) {
/* on to next p_from (if any) */ /* on to next p_from (if any) */
offset_from = 0; offset_from = 0;
p_from = p_from->next; p_from = p_from->next;
} }
if (offset_to == p_to->len) {
/* on to next p_to (if any) */
offset_to = 0;
p_to = p_to->next;
LWIP_ERROR("p_to != NULL", (p_to != NULL) || (p_from == NULL) , return ERR_ARG;);
}
if((p_from != NULL) && (p_from->len == p_from->tot_len)) { if((p_from != NULL) && (p_from->len == p_from->tot_len)) {
/* don't copy more than one packet! */ /* don't copy more than one packet! */