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authorFlorian Weimer <fweimer@redhat.com>2021-12-23 15:01:07 +0100
committerFlorian Weimer <fweimer@redhat.com>2021-12-23 15:02:50 +0100
commit9702a7901e18460e8ffc5f56a493d41294a8e936 (patch)
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stdio: Implement %#m for vfprintf and related functions
%#m prints errno as an error constant if one is available, or a decimal number as a fallback. This intends to address the gap that strerrorname_np does not work well with printf for unknown error codes due to its NULL return values in those cases. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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