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nhrpd: Add zbuf routine to peek at contents

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Signed-off-by: Reuben Dowle <reuben.dowle@4rf.com>
This commit is contained in:
Amol Lad 2021-03-11 15:57:55 +13:00 committed by Reuben Dowle
parent 263e82b308
commit d5dc926f18
2 changed files with 13 additions and 0 deletions
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12
nhrpd/zbuf.c
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@ -230,3 +230,15 @@ void zbuf_copy(struct zbuf *zdst, struct zbuf *zsrc, size_t len)
return; return;
memcpy(dst, src, len); memcpy(dst, src, len);
} }
void zbuf_copy_peek(struct zbuf *zdst, struct zbuf *zsrc, size_t len)
{
const void *src;
void *dst;
dst = zbuf_pushn(zdst, len);
src = zbuf_pulln(zsrc, 0);
if (!dst || !src)
return;
memcpy(dst, src, len);
}

1
nhrpd/zbuf.h
View File

@ -190,6 +190,7 @@ static inline void zbuf_put_be32(struct zbuf *zb, uint32_t val)
} }
void zbuf_copy(struct zbuf *zb, struct zbuf *src, size_t len); void zbuf_copy(struct zbuf *zb, struct zbuf *src, size_t len);
void zbuf_copy_peek(struct zbuf *zdst, struct zbuf *zsrc, size_t len);
void zbufq_init(struct zbuf_queue *); void zbufq_init(struct zbuf_queue *);
void zbufq_reset(struct zbuf_queue *); void zbufq_reset(struct zbuf_queue *);