Re: strftime man page is garbled

[Marco Atzeri <marco.atzeri@gmail.com>]

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On 6/4/2015 3:18 AM, Wayne Pollock wrote:
> The description section of the strftime man page is
> garbled.  The first paragraph shows as this:
>
> =============================
>
>         into a null-terminated string, starting at S and occupying no more than
> MAXSIZE characters.
>
>            You  control the format of the output using the string at FORMAT.
> literally into the formatted string, and
>         time conversion specifications.  Time conversion specifications are two- and
> three-character sequences  begin‐
>         ning  with  ''%'' (use ''%%'' to include a percent sign in the output).  Each
> defined conversion specification
>         selects only the specified field(s) of calendar time data from '*TIMP', and
> converts it to a string in one  of
>         the following ways:
>
> ============================
>
> In addition, none of the option letters show, only the
> option descriptions.  The info node at
> "info libc timefns strftime" appears to be fine.
>
> I have cygwin-doc version 1.7.35-1.
> (I have a locale of C.UTF-8, if it matters.)
>

Works fine for me, I have a complete man page
see attached.

looks at the output of
   man -d strftime

for any hint.

Regards
Marco

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STRFTIME(3)                         NEWLIB                         STRFTIME(3)



NAME
       9.8 'strftime'--convert date and time to a formatted string


SYNOPSIS
            #include <time.h>
            size_t strftime(char *restrict S, size_t MAXSIZE,
                const char *restrict FORMAT,
                const struct tm *restrict TIMP);


DESCRIPTION
       into a null-terminated string, starting at S and occupying no more than
       MAXSIZE characters.

          You control the format of the output using  the  string  at  FORMAT.
       literally  into  the  formatted  string, and time conversion specifica‐
       tions.  Time conversion specifications  are  two-  and  three-character
       sequences beginning with ''%'' (use ''%%'' to include a percent sign in
       the output).  Each defined conversion specification  selects  only  the
       specified  field(s) of calendar time data from '*TIMP', and converts it
       to a string in one of the following ways:

            The abbreviated weekday name according to the current locale.
            [tm_wday]

            The full weekday name according to the current locale.  In the
            default "C" locale, one of ''Sunday'', ''Monday'', ''Tuesday'',
            ''Wednesday'', ''Thursday'', ''Friday'', ''Saturday''.  [tm_wday]

            The abbreviated month name according to the current locale.
            [tm_mon]

            The full month name according to the current locale.  In the
            default "C" locale, one of ''January'', ''February'', ''March'',
            ''April'', ''May'', ''June'', ''July'', ''August'', ''September'',
            ''October'', ''November'', ''December''.  [tm_mon]

            The preferred date and time representation for the current locale.
            [tm_sec, tm_min, tm_hour, tm_mday, tm_mon, tm_year, tm_wday]

            The century, that is, the year divided by 100 then truncated.  For
            4-digit years, the result is zero-padded and exactly two
            characters; but for other years, there may a negative sign or more
            digits.  In this way, ''%C%y'' is equivalent to ''%Y''.  [tm_year]
            The day of the month, formatted with two digits (from ''01'' to
            ''31'').  [tm_mday]

            A string representing the date, in the form ''"%m/%d/%y"''.
            [tm_mday, tm_mon, tm_year]

            The day of the month, formatted with leading space if single digit
            (from ''1'' to ''31'').  [tm_mday]

            In some locales, the E modifier  selects  alternative  representa‐
       tions
            of  certain  modifiers 'x'.  In newlib, it is ignored, and treated
       as
            %'x'.

            A string representing the ISO 8601:2000 date format, in the form
            ''"%Y-%m-%d"''.  [tm_mday, tm_mon, tm_year]

            The last two digits of the week-based year, see specifier %G (from
            ''00'' to ''99'').  [tm_year, tm_wday, tm_yday]

            The week-based year.  In the ISO 8601:2000 calendar, week 1 of the
            year includes January 4th, and begin on Mondays.  Therefore, if
            January 1st, 2nd, or 3rd falls on a Sunday, that day and earlier
            belong to the last week of the  previous  year;  and  if  December
       29th,
            30th, or 31st falls on Monday, that day and later belong to week 1
            of the next year.  For consistency with %Y, it always has at least
            four  characters.   Example:  "%G"  for  Saturday 2nd January 1999
       gives
            "1998",  and  for  Tuesday  30th  December  1997   gives   "1998".
       [tm_year,
            tm_wday, tm_yday]

            Synonym for "%b".  [tm_mon]

            The hour (on a 24-hour clock), formatted with two digits (from
            ''00'' to ''23'').  [tm_hour]

            The hour (on a 12-hour clock), formatted with two digits (from
            ''01'' to ''12'').  [tm_hour]

            The count of days in the year, formatted with three digits (from
            ''001'' to ''366'').  [tm_yday]

            The hour (on a 24-hour clock), formatted with leading space if
            single digit (from ''0'' to ''23'').  Non-POSIX extension (c.p.
            %I). [tm_hour]

            The hour (on a 12-hour clock), formatted with leading space if
            single digit (from ''1'' to ''12'').  Non-POSIX extension (c.p.
            %H). [tm_hour]

            The month number, formatted with two digits (from ''01'' to
            ''12'').  [tm_mon]

            The minute, formatted with two digits (from ''00'' to ''59'').
            [tm_min]

            A newline character (''0').

            In some locales, the O modifier selects alternative digit
            characters for certain modifiers 'x'.  In newlib, it is ignored,
            and treated as %'x'.

            Either ''AM'' or ''PM'' as appropriate, or the corresponding
            strings for the current locale.  [tm_hour]

            Same as ''%p'', but in lowercase.  This is a GNU extension.
            [tm_hour]

            Replaced by the time in a.m.  and p.m.  notation.  In the "C"
            locale  this  is  equivalent  to  "%I:%M:%S %p".  In locales which
       don't
            define a.m./p.m.  notations, the result is an empty string.
            [tm_sec, tm_min, tm_hour]

            The 24-hour time, to the minute.  Equivalent to "%H:%M". [tm_min,
            tm_hour]

            The second, formatted with two digits  (from  ''00''  to  ''60'').
       The
            value 60 accounts for the occasional leap second.  [tm_sec]

            A tab character ('''').

            The 24-hour time, to the second.  Equivalent to "%H:%M:%S".
            [tm_sec, tm_min, tm_hour]

            The  weekday  as  a  number,  1-based  from  Monday (from ''1'' to
       ''7'').
            [tm_wday]

            The week number, where weeks start on Sunday, week 1 contains the
            first Sunday in a year, and earlier days are in week 0.  Formatted
            with  two  digits  (from  ''00''  to  ''53'').   See  also   '%W'.
       [tm_wday,
            tm_yday]

            The week number, where weeks start on Monday, week 1 contains
            January 4th, and earlier days are in the previous year.  Formatted
            with   two  digits  (from  ''01''  to  ''53'').   See  also  '%G'.
       [tm_year,
            tm_wday, tm_yday]

            The weekday as a  number,  0-based  from  Sunday  (from  ''0''  to
       ''6'').
            [tm_wday]

            The week number, where weeks start on Monday, week 1 contains the
            first Monday in a year, and earlier days are in week 0.  Formatted
            with two digits (from ''00'' to ''53'').  [tm_wday, tm_yday]

            Replaced by the preferred date representation in the current
            locale.  In the "C" locale this is equivalent to "%m/%d/%y".
            [tm_mon, tm_mday, tm_year]

            Replaced by the preferred time representation in the current
            locale.  In the "C" locale this is equivalent to "%H:%M:%S".
            [tm_sec, tm_min, tm_hour]

            The  last  two  digits  of  the  year  (from  ''00''  to  ''99'').
       [tm_year]
            (Implementation interpretation: always positive, even for negative
            years.)

            The full year, equivalent to '%C%y'.  It will always have at least
            four characters, but may have more.  The  year  is  accurate  even
       when
            tm_year added to the offset of 1900 overflows an int.  [tm_year]

            The offset from UTC. The format consists of a sign (negative is
            west  of  Greewich),  two characters for hour, then two characters
       for
            minutes (-hhmm or +hhmm).  If tm_isdst is negative, the offset is
            unknown and no output is generated; if it is zero, the offset is
            the standard offset for the current time zone; and if it is
            positive, the offset is the daylight savings offset for  the  cur‐
       rent
            timezone.  The offset is determined from the TZ environment
            variable, as if by calling tzset().  [tm_isdst]

            The time zone name.  If tm_isdst is negative, no output is
            generated.  Otherwise, the time zone name is based on the TZ
            environment variable, as if by calling tzset().  [tm_isdst]

            A single character, ''%''.



RETURNS
       When  the  formatted time takes up no more than MAXSIZE characters, the
       result is the length of the formatted string.  Otherwise, if  the  for‐
       matting operation was abandoned due to lack of room, the result is



PORTABILITY
       ANSI  C  requires 'strftime', but does not specify the contents of '*S'
       when the formatted string would require more than  MAXSIZE  characters.
       Unrecognized  specifiers  and  fields  of  'timp' that are out of range
       cause undefined results.  Since some formats expand to 0 bytes,  it  is
       wise  to  set '*S' to a nonzero value beforehand to distinguish between
       failure and an empty string.  This implementation does not support  's'
       being NULL, nor overlapping 's' and 'format'.

          'strftime' requires no supporting OS subroutines.


          *Bugs* hard-coding the "C" locale settings.



SEE ALSO
       strftime  is  part  of  the libc:_(libc)._the_ansi_c_library.  library.
       The full documentation for libc:_(libc)._the_ansi_c_library.  is  main‐
       tained      as      a      Texinfo     manual.      If     info     and
       libc:_(libc)._the_ansi_c_library.  are properly installed at your site,
       the command

              info libc:_(libc)._the_ansi_c_library.

       will give you access to the complete manual.



NEWLIB                            March 2015                       STRFTIME(3)

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