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authorUlrich Drepper <drepper@redhat.com>1996-12-16 01:40:21 +0000
committerUlrich Drepper <drepper@redhat.com>1996-12-16 01:40:21 +0000
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update from main archive 961215cvs/libc-961216
Mon Dec 16 02:15:42 1996 Ulrich Drepper <drepper@cygnus.com> Make sure tzset() sets always tzname[]. * time/tzfile.c: De-ANSI-declfy. (find_transition): New function. Set tzname according to given time. (__tzread_file): Use find_transition to set tzname. (__tzfile_compute): Use find_transition instead of doing the work self. * time/tzset.c (tzset): Set tzname[] directly only if !__use_tzfile. Sun Dec 15 16:52:34 1996 Ulrich Drepper <drepper@cygnus.com> * login/utmp-file.c (pututline_file): Open file if closed. Reported by Roma Ekzhanov <ekzhanov@paragraph.com>. Use fcntl instead of flock. Sun Dec 15 14:20:51 1996 Ulrich Drepper <drepper@cygnus.com> * manual/time.texi: Update documentation of strftime function.
Diffstat (limited to 'manual/time.texi')
-rw-r--r--manual/time.texi21
1 files changed, 18 insertions, 3 deletions
diff --git a/manual/time.texi b/manual/time.texi
index b8a95b2..26c3c59 100644
--- a/manual/time.texi
+++ b/manual/time.texi
@@ -638,14 +638,24 @@ The number is padded with spaces.
@item -
The number is not padded at all.
+
+@item 0
+The number is padded with zeros even if the format spefies padding
+with spaces.
@end table
The default action is to pad the number with zeros to keep it a constant
width. Numbers that do not have a range indicated below are never
padded, since there is no natural width for them.
-An optional modifier can follow the optional flag. The modifiers, which
-are POSIX.2 extensions, are:
+Following the flag an optional specification of the width is possible.
+This is specified in decimal notation. If the natural size of the
+output is of the field has less than the specifed number of character,
+the result is written right adjusted and space padded to the given
+size.
+
+An optional modifier can follow the optional flag and width
+specification. The modifiers, which are POSIX.2 extensions, are:
@table @code
@item E
@@ -660,7 +670,8 @@ Use the locale's alternate numeric symbols for numbers. This modifier
applies only to numeric format specifiers.
@end table
-A modifier is ignored if no alternate representation is available.
+If the format supports the modifier but no alternate representation
+is available, it is ignored.
The conversion specifier ends with a format specifier taken from the
following list. The whole @samp{%} sequence is replaced in the output
@@ -868,6 +879,10 @@ repeat the call, providing a bigger array.
If @var{s} is a null pointer, @code{strftime} does not actually write
anything, but instead returns the number of characters it would have written.
+According to POSIX.1 every call to @code{strftime} implies a call to
+@code{tzset}. So the contents of the environment variable @code{TZ}
+is examined before any output is produced.
+
For an example of @code{strftime}, see @ref{Time Functions Example}.
@end deftypefun