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common: set dynamic-buffer's data to NULL on reset()
authorJérémie Galarneau <jeremie.galarneau@efficios.com>
Wed, 10 Jun 2020 17:02:29 +0000 (13:02 -0400)
committerJérémie Galarneau <jeremie.galarneau@efficios.com>
Wed, 10 Jun 2020 21:30:49 +0000 (17:30 -0400)
Set 'data' to NULL after the reset of a dynamic_buffer since
re-using it (e.g. appending) will cause realloc to be called
with an invalid pointer.

Not marked as a fix as no code currently re-uses a buffer after
a reset().

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I58fd5bbcfcda9d952748bea17430e2f41b076f3c


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