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author | joerg <joerg@FreeBSD.org> | 2000-01-28 17:40:42 +0000 |
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committer | joerg <joerg@FreeBSD.org> | 2000-01-28 17:40:42 +0000 |
commit | 3322d89b340a31be802230a7be196292eb9a2094 (patch) | |
tree | 3f175ba1ff6cd113dbd7c690f72d03ae361d35d0 /lib/libc | |
parent | 6dd36cc401fc851760a6fd808a3e3463126f1d3c (diff) | |
download | FreeBSD-src-3322d89b340a31be802230a7be196292eb9a2094.zip FreeBSD-src-3322d89b340a31be802230a7be196292eb9a2094.tar.gz |
There were so far only 42 different conversion specifications in
strftime(3), add another one. :) %z yields the local timezone's offset
in hours and minutes, as used in RFC822 headers. There's a precedence
for this in Lunux' libc, and Internet software (like Perl scripts)
start using it.
OKed by (wrt. the code freeze): jkh
Diffstat (limited to 'lib/libc')
-rw-r--r-- | lib/libc/stdtime/strftime.3 | 6 | ||||
-rw-r--r-- | lib/libc/stdtime/strftime.c | 16 |
2 files changed, 22 insertions, 0 deletions
diff --git a/lib/libc/stdtime/strftime.3 b/lib/libc/stdtime/strftime.3 index c4d2d8c..9b21843 100644 --- a/lib/libc/stdtime/strftime.3 +++ b/lib/libc/stdtime/strftime.3 @@ -202,6 +202,11 @@ is replaced by the year with century as a decimal number. is replaced by the year without century as a decimal number (00-99). .It Cm \&%Z is replaced by the time zone name. +.It Cm \&%z +is replaced by the time zone offset from UTC; a leading plus sign stands for +east of UTC, a minus sign for west of UTC, hours and minutes follow +with two digits each and no delimiter between them (common form for +RFC 822 date headers). .It Cm %+ is replaced by national representation of the date and time (the format is similar to that produced by @@ -241,6 +246,7 @@ with a lot of extensions including .Ql %t , .Ql %u , .Ql \&%V , +.Ql %z , .Ql %+ . The peculiar week number and year in the replacements of diff --git a/lib/libc/stdtime/strftime.c b/lib/libc/stdtime/strftime.c index 9aa891f..6404d9c 100644 --- a/lib/libc/stdtime/strftime.c +++ b/lib/libc/stdtime/strftime.c @@ -397,6 +397,22 @@ label: pt, ptlim); } else pt = _add("?", pt, ptlim); continue; + case 'z': + { + long absoff; + if (t->tm_gmtoff >= 0) { + absoff = t->tm_gmtoff; + pt = _add("+", pt, ptlim); + } else { + absoff = -t->tm_gmtoff; + pt = _add("-", pt, ptlim); + } + pt = _conv(absoff / 3600, "%02d", + pt, ptlim); + pt = _conv((absoff % 3600) / 60, "%02d", + pt, ptlim); + }; + continue; case '+': pt = _fmt(Locale->date_fmt, t, pt, ptlim); continue; |