selftests/nolibc: add sbrk_0 to test current brk getting

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>From musl 0.9.14 (to the latest version 1.2.3), both sbrk() and brk()
have almost been disabled for they conflict with malloc, only sbrk(0) is
still permitted as a way to get the current location of the program
break, let's support such case.

EXPECT_PTRNE() is used to expect sbrk() always successfully getting the
current break.

Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>

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Zhangjin Wu 2023-07-07 23:04:38 +08:00 • committed by Willy Tarreau

parent 29f5540be3

commit f193ecbff0

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tools/testing/selftests/nolibc/nolibc-test.c

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