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mailinfo.c: move side-effects outside of assert

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Since 6b4b013f18 (mailinfo: handle in-body header continuations,
2016-09-20, v2.11.0) mailinfo.c has contained new code with an
assert of the form:

	assert(call_a_function(...))

The function in question, check_header, has side effects.  This
means that when NDEBUG is defined during a release build the
function call is omitted entirely, the side effects do not
take place and tests (fortunately) start failing.

Since the only time that mi->inbody_header_accum is appended to is
in check_inbody_header, and appending onto a blank
mi->inbody_header_accum always happens when is_inbody_header is
true, this guarantees a prefix that causes check_header to always
return true.

Therefore replace the assert with an if !check_header + DIE
combination to reflect this.

Helped-by: Jonathan Tan <jonathantanmy@google.com>
Helped-by: Jeff King <peff@peff.net>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kyle J. McKay 2016-12-19 15:13:00 -08:00 committed by Junio C Hamano
parent 6b4b013f18
commit 08414938a2
1 changed files with 2 additions and 1 deletions
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3
mailinfo.c
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@ -628,7 +628,8 @@ static void flush_inbody_header_accum(struct mailinfo *mi)
{
if (!mi->inbody_header_accum.len)
return;
assert(check_header(mi, &mi->inbody_header_accum, mi->s_hdr_data, 0));
if (!check_header(mi, &mi->inbody_header_accum, mi->s_hdr_data, 0))
die("BUG: inbody_header_accum, if not empty, must always contain a valid in-body header");
strbuf_reset(&mi->inbody_header_accum);
}