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9c0495d23e
Bug 6530 [1] in glibc causes "git show v0.99.6~1" to fail with error "your vsnprintf is broken". The workaround avoids that, but it corrupts system error messages in non-C locales. The bug has been fixed since 2.17. We could know running glibc version with gnu_get_libc_version(). But version is not a sure way to detect the bug because downstream may back port the fix to older versions. Do a runtime test that immitates the call flow that leads to "your vsnprintf is broken". Only enable the workaround if the test fails. Tested on Gentoo Linux, glibc 2.16.0 and 2.17, amd64. [1] http://sourceware.org/bugzilla/show_bug.cgi?id=6530 Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git - the stupid content tracker
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