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lib: Add stream_resize_orig and stream_resize_inplace

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Start setup for handling of stream_resize into old
and new functions.

Create a stream_resize_inplace function that takes
a double pointer to allow for a realloc operation
to return the possibly moved pointer.

Add a CONFDATE for removal as well.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2018-08-21 20:06:27 -04:00
parent dca5ef3053
commit 4388866917
2 changed files with 14 additions and 2 deletions
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7
lib/stream.c
View File

@ -166,7 +166,12 @@ struct stream *stream_dupcat(struct stream *s1, struct stream *s2,
return new;
}
size_t stream_resize(struct stream *s, size_t newsize)
size_t stream_resize_inplace(struct stream **sptr, size_t newsize)
{
return stream_resize_orig(*sptr, newsize);
}
size_t stream_resize_orig(struct stream *s, size_t newsize)
{
uint8_t *newdata;
STREAM_VERIFY_SANE(s);

9
lib/stream.h
View File

@ -154,7 +154,14 @@ extern struct stream *stream_new(size_t);
extern void stream_free(struct stream *);
extern struct stream *stream_copy(struct stream *, struct stream *src);
extern struct stream *stream_dup(struct stream *);
extern size_t stream_resize(struct stream *, size_t);
#if CONFDATE > 20190821
CPP_NOTICE("lib: time to remove stream_resize_orig")
#endif
extern size_t stream_resize_orig(struct stream *s, size_t newsize);
#define stream_resize stream_resize_orig
extern size_t stream_resize_inplace(struct stream **sptr, size_t newsize);
extern size_t stream_get_getp(struct stream *);
extern size_t stream_get_endp(struct stream *);
extern size_t stream_get_size(struct stream *);