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ng_pktbuf: only duplicate header

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This commit is contained in:
Martine Lenders 2015-05-27 15:36:59 +02:00
parent 85bd69314c
commit 9cea4b6618
1 changed files with 7 additions and 20 deletions
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27
sys/net/crosslayer/ng_pktbuf/ng_pktbuf.c
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@ -30,6 +30,9 @@
#include "_pktbuf_internal.h" #include "_pktbuf_internal.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
static mutex_t _pktbuf_mutex = MUTEX_INIT; static mutex_t _pktbuf_mutex = MUTEX_INIT;
/* internal ng_pktbuf functions */ /* internal ng_pktbuf functions */
@ -249,28 +252,12 @@ static ng_pktsnip_t *_pktbuf_duplicate(const ng_pktsnip_t *pkt)
return NULL; return NULL;
} }
DEBUG("pktbuf: copying %u byte from %p to %p\n", (unsigned)pkt->size,
pkt->data, res->data);
memcpy(res->data, pkt->data, pkt->size); memcpy(res->data, pkt->data, pkt->size);
res->type = pkt->type; res->type = pkt->type;
res->next = pkt->next;
while (pkt->next) { DEBUG("pktbuf: set res->next to %p", (void *)pkt->next);
ng_pktsnip_t *hdr = NULL;
pkt = pkt->next;
hdr = _pktbuf_add_unsafe(res, pkt->data, pkt->size, pkt->type);
if (hdr == NULL) {
do {
ng_pktsnip_t *next = res->next;
_pktbuf_internal_free(res->data);
_pktbuf_internal_free(res);
res = next;
} while (res);
return NULL;
}
}
return res; return res;
} }