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authorRich Felker <dalias@aerifal.cx>2014-11-15 12:16:19 -0500
committerRich Felker <dalias@aerifal.cx>2015-03-30 01:41:32 -0400
commit395e409cc0b89faeaae8d701a18105d020f7aade (patch)
treed7b99cc1c4e54ef75aa1ca64de5f1d8b2a651286 /dist
parent8c245bf2725f3171ee8f58dab7169e5d682de026 (diff)
downloadmusl-395e409cc0b89faeaae8d701a18105d020f7aade.tar.gz
fix behavior of printf with alt-form octal, zero precision, zero value
in this case there are two conflicting rules in play: that an explicit precision of zero with the value zero produces no output, and that the '#' modifier for octal increases the precision sufficiently to yield a leading zero. ISO C (7.19.6.1 paragraph 6 in C99+TC3) includes a parenthetical remark to clarify that the precision-increasing behavior takes precedence, but the corresponding text in POSIX off of which I based the implementation is missing this remark. this issue was covered in WG14 DR#151. (cherry picked from commit b91cdbe2bc8b626aa04dc6e3e84345accf34e4b1)
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