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Simplify pbuf_remove_header() a bit

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This commit is contained in:
goldsimon 2017-08-21 22:33:01 +02:00
parent 3c5398403d
commit bd8709bc82
1 changed files with 2 additions and 8 deletions
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10
src/core/pbuf.c
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@ -593,14 +593,8 @@ pbuf_remove_header(struct pbuf *p, size_t header_size_decrement)
payload = p->payload; payload = p->payload;
LWIP_UNUSED_ARG(payload); /* only used in LWIP_DEBUGF below */ LWIP_UNUSED_ARG(payload); /* only used in LWIP_DEBUGF below */
if (increment_magnitude <= p->len) { /* increase payload pointer (guarded by length check above) */
/* increase payload pointer */ p->payload = (u8_t *)p->payload + header_size_decrement;
p->payload = (u8_t *)p->payload + header_size_decrement;
} else {
/* cannot expand payload to front (yet!)
* bail out unsuccessfully */
return 1;
}
/* modify pbuf length fields */ /* modify pbuf length fields */
p->len = (u16_t)(p->len - increment_magnitude); p->len = (u16_t)(p->len - increment_magnitude);
p->tot_len = (u16_t)(p->tot_len - increment_magnitude); p->tot_len = (u16_t)(p->tot_len - increment_magnitude);