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Added pbuf_get_contiguous() to get data in one piece (either zero copy from pbuf or memcpied into a supplied buffer)

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goldsimon
2017-02-24 21:36:49 +01:00
parent a38e937dd6
commit 0da9cf70ea
2 changed files with 42 additions and 0 deletions
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src/include/lwip/pbuf.h
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@@ -240,6 +240,7 @@ void pbuf_chain(struct pbuf *head, struct pbuf *tail);
struct pbuf *pbuf_dechain(struct pbuf *p);
err_t pbuf_copy(struct pbuf *p_to, const struct pbuf *p_from);
u16_t pbuf_copy_partial(const struct pbuf *p, void *dataptr, u16_t len, u16_t offset);
void *pbuf_get_contiguous(const struct pbuf *p, void *buffer, size_t bufsize, u16_t len, u16_t offset);
err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len);
err_t pbuf_take_at(struct pbuf *buf, const void *dataptr, u16_t len, u16_t offset);
struct pbuf *pbuf_skip(struct pbuf* in, u16_t in_offset, u16_t* out_offset);