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authorJoseph Myers <joseph@codesourcery.com>2018-11-01 17:13:55 +0000
committerJoseph Myers <joseph@codesourcery.com>2018-11-01 17:13:55 +0000
commit6f30e59fc9d9945a225de9b2c7b260ff64e72140 (patch)
treea89ad093455035b0846c3ec851f2144cc764e57a /posix
parentdaea71c2e4234e8c7ed78ce3d980b25f63744a14 (diff)
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Disable -Wformat-overflow= warnings for some printf tests.
Recent GCC -Wformat-overflow= changes result in some printf tests
failing to build, because those tests are deliberately testing the
handling of formats writing more than INT_MAX characters and the
handling of NULL arguments to the %s format, which GCC now warns
about.  This patch duly disables -Wformat-overflow= for the relevant
calls to printf functions.

Tested with build-many-glibcs.py with GCC mainline for
aarch64-linux-gnu.

	* stdio-common/bug22.c: Include <libc-diag.h>.
	(do_test): Disable -Wformat-overflow= warnings around fprintf
	calls outputting more than INT_MAX characters.
	* stdio-common/tst-printf.c: Disable -Wformat-overflow= warnings
	around printf call with NULL %s argument.
Diffstat (limited to 'posix')
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