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Add PBUF_NEEDS_COPY macro to documentation

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This commit is contained in:
Dirk Ziegelmeier 2017-04-27 19:25:19 +02:00
parent 1add8c14ca
commit 83d0607acf
1 changed files with 2 additions and 1 deletions
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3
src/include/lwip/pbuf.h
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@ -55,7 +55,8 @@ extern "C" {
#define LWIP_SUPPORT_CUSTOM_PBUF ((IP_FRAG && !LWIP_NETIF_TX_SINGLE_PBUF) || (LWIP_IPV6 && LWIP_IPV6_FRAG))
#endif
/** PBUF_NEEDS_COPY(p): return a boolean value indicating whether the given
/** @ingroup pbuf
* PBUF_NEEDS_COPY(p): return a boolean value indicating whether the given
* pbuf needs to be copied in order to be kept around beyond the current call
* stack without risking being corrupted. The default setting provides safety:
* it will make a copy iof any pbuf chain that does not consist entirely of