michael.mauch at gmx.de
Mon Apr 23 12:06:46 CDT 2001
Francois Gouget <fgouget at free.fr> wrote:
[patch for glibc manpage]
> I wonder where I should send it. Since I'm lazy I guess I will just
> send it over to Debian where it will join the 2+ years old bug reports
> for the manpages-dev package. (maybe I should check the source first
> though :-/)
The ctime manpage here is from 1996 (glibc-2.0.7 I guess), it came with
the distribution. I don't see any glibc-2.1.3 or glibc-2.2 manpages,
only texinfo/info files. Maybe they don't maintain man pages anymore.
The localtime info from glibc-2.2 says:
| - Function: struct tm * localtime (const time_t *TIME)
| The `localtime' function converts the simple time pointed to by
| TIME to broken-down time representation, expressed relative to the
| user's specified time zone.
| The return value is a pointer to a static broken-down time
| structure, which might be overwritten by subsequent calls to
| `ctime', `gmtime', or `localtime'. (But no other library function
| overwrites the contents of this object.)
| The return value is the null pointer if TIME cannot be represented
| as a broken-down time; typically this is because the year cannot
| fit into an `int'.
| Calling `localtime' has one other effect: it sets the variable
| `tzname' with information about the current time zone. *Note Time
| Zone Functions::.
| Using the `localtime' function is a big problem in multi-threaded
| programs. The result is returned in a static buffer and this is used in
| all threads. POSIX.1c introduced a variant of this function.
And then follows the description for localtime_r().
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