[Bug 206752] [patch] /bin/date format conversion bug
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Sat Jan 30 00:42:02 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206752
Bug ID: 206752
Summary: [patch] /bin/date format conversion bug
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Keywords: patch
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs at FreeBSD.org
Reporter: jrm at ftfl.ca
Keywords: patch
Created attachment 166294
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=166294&action=edit
svn diff
% date -j -f %Y-%m 2015-02 '+%B %Y'
March 2015
In the code, a tm structure is initially created with the current time. If
input_fmt and new_date are supplied, then the appropriate values in that tm
structure are overwritten. The problem is that this can lead to invalid dates
when only a partial input_fmt/new_date are supplied like above. In the example
above, the tm_mday is left as is (today is the 29th day of the month), but the
tm_mon is overwritten with 01 (February) leading to an invalid date.
The attached patch fixes the above issue by setting the default tm_mday to 1,
when an input_fmt is supplied.
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