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| author | Florian Weimer <fweimer@redhat.com> | 2021-12-23 15:01:07 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2021-12-23 15:02:50 +0100 |
| commit | 9702a7901e18460e8ffc5f56a493d41294a8e936 (patch) | |
| tree | 0e7147c9c7e3d4cb14d3474c9dd947dcf64b38a9 /NEWS | |
| parent | cd0c333d2ea82d0ae14719bdbef86d99615bdb00 (diff) | |
| download | glibc-9702a7901e18460e8ffc5f56a493d41294a8e936.tar.gz glibc-9702a7901e18460e8ffc5f56a493d41294a8e936.tar.xz glibc-9702a7901e18460e8ffc5f56a493d41294a8e936.zip | |
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>
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/NEWS b/NEWS index c7200cd4e8..9294a7b953 100644 --- a/NEWS +++ b/NEWS @@ -99,6 +99,9 @@ Major new features: is set to 'madvise' mode while the latter uses the system reserved huge pages. +* The printf family of functions now handles the flagged %#m conversion + specifier, printing errno as an error constant (similar to strerrorname_np). + Deprecated and removed features, and other changes affecting compatibility: * On x86-64, the LD_PREFER_MAP_32BIT_EXEC environment variable support |