(split) LDP_man-pages: release ioctl.2 [JM:00378]

[linuxjm/LDP_man-pages.git] / draft / man3 / strfmon.3

.\" Copyright (c) 2000 Andries Brouwer (aeb@cwi.nl)
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Japanese Version Copyright (c) 2001 NAKANO Takeo all rights reserved.
.\" Translated Thu Fri 08 2001 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\"
.\"WORD:        numeric fill character  ¿ôÃÍËä¤áʸ»ú
.\"WORD:        grouping character      ¥°¥ë¡¼¥×²½Ê¸»ú
.\"WORD:        left precision          º¸ÀºÅÙ
.\"WORD:        right precision         º¸ÀºÅÙ
.\"WORD:        radix (character)       ´ð¿ôÅÀ(ʸ»ú)
.\"WORD:        conversion character    ÊÑ´¹Ê¸»ú
.\"WORD:        international currency format   ¹ñºÝÄ̲ߥե©¡¼¥Þ¥Ã¥È
.\"WORD:        national currency format        ¹ñÆâÄ̲ߥե©¡¼¥Þ¥Ã¥È
.\"
.TH STRFMON 3 2000-12-05 "Linux" "Linux Programmer's Manual"
.\"O .SH NAME
.\"O strfmon \- convert monetary value to a string
.SH ̾Á°
strfmon \- ¶â³Û¤ÎÃͤòʸ»úÎó¤ËÊÑ´¹¤¹¤ë
.\"O .SH SYNOPSIS
.SH ½ñ¼°
.B #include <monetary.h>
.sp
.BI "ssize_t strfmon(char *" s ", size_t " max ", const char *" format ,
.B "...);"
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O The
.\"O .BR strfmon ()
.\"O function formats the specified amounts
.\"O according to the format specification \fIformat\fP and places the
.\"O result in the character array \fIs\fP of size \fImax\fP.
.BR strfmon ()
´Ø¿ô¤Ï¡¢»ØÄꤵ¤ì¤¿¿ôÎ̤ò
.I format
¤Ç»ØÄꤵ¤ì¤¿¥Õ¥©¡¼¥Þ¥Ã¥È¤Ë¤·¤¿¤¬¤Ã¤ÆÀ°·Á¤·¡¢
·ë²Ì¤ò¥µ¥¤¥º
.I max
¤Îʸ»úÇÛÎó
.I s
¤Ë½ñ¤­¤³¤à¡£
.PP
.\"O Ordinary characters in \fIformat\fP are copied to \fIs\fP
.\"O without conversion.
.\"O Conversion specifiers are introduced by a \(aq%\(aq
.\"O character.
.\"O Immediately following it there can be zero or more
.\"O of the following flags:
.I format
Ãæ¤ÎÄ̾ï¤Îʸ»ú¤Ï¡¢ÊÑ´¹¤µ¤ì¤º¤Ë¤½¤Î¤Þ¤Þ
.I s
¤Ë¥³¥Ô¡¼¤µ¤ì¤ë¡£ÊÑ´¹»ØÄê¤Ï \(aq%\(aq ʸ»ú¤Ç»Ï¤Þ¤ë¡£
¤³¤Îľ¸å¤Ë¤Ï¡¢°Ê²¼¤Î¥Õ¥é¥°¤ò 0 ¸Ä°Ê¾å³¤±¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
.TP
.BI = f
.\"O The single-byte character
.\"O .I f
.\"O is used as the numeric fill character (to be used with
.\"O a left precision, see below).
.\"O When not specified, the space character is used.
1 ¥Ð¥¤¥Èʸ»ú
.I f
¤ò¿ôÃÍËä¤áʸ»ú (numeric fill character) ¤Ë¤¹¤ë
(º¸ÀºÅ٤ȶ¦¤ËÍѤ¤¤ë¡£°Ê²¼¤ò»²¾È)¡£
»ØÄꤵ¤ì¤Ê¤¤¤È¡¢¥¹¥Ú¡¼¥¹Ê¸»ú¤¬ÍѤ¤¤é¤ì¤ë¡£
.TP
.B ^
.\"O Do not use any grouping characters that might be defined
.\"O for the current locale.
.\"O By default, grouping is enabled.
¸½ºß¤Î¥í¥±¡¼¥ë¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¤Ç¤¢¤í¤¦¥°¥ë¡¼¥×²½Ê¸»ú (grouping character)
¤ò°ìÀڻȤï¤Ê¤¤¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¥°¥ë¡¼¥×²½¤ÏÍ­¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ë¡£
.TP
.\"O .BR ( " or " +
.BR ( " ¤Þ¤¿¤Ï " +
.\"O The ( flag indicates that negative amounts should be enclosed between
.\"O parentheses.
.\"O The + flag indicates that signs should be handled
.\"O in the default way, that is, amounts are preceded by the locale's
.\"O sign indication, for example, nothing for positive, "\-" for negative.
( ¥Õ¥é¥°¤Ï¡¢Éé¤Î¿ôÃͤò³ç¸Ì¤Ç³ç¤ë¤³¤È¤ò°ÕÌ£¤¹¤ë¡£
+ ¥Õ¥é¥°¤ÏÉä¹æ¤ò¥Ç¥Õ¥©¥ë¥È¤Î¤è¤¦¤Ë¼è¤ê°·¤¦¤³¤È¤ò°ÕÌ£¤¹¤ë
(¤¹¤Ê¤ï¤Á¿ôÃͤÎÁ°¤Ë¥í¥±¡¼¥ë¤ÎÉä¹æ¥Þ¡¼¥¯¤¬ÃÖ¤«¤ì¤ë¡£
Î㤨¤ÐÀµ¤Ê¤é¤Ê¤Ë¤â¤Ê¤¯¡¢Éé¤Ê¤é \(aq\-\(aq ¤òÃÖ¤¯¡¢¤Ê¤É)¡£
.TP
.B !
.\"O Omit the currency symbol.
Ä̲ߥ·¥ó¥Ü¥ë¤ò¾Êά¤¹¤ë¡£
.TP
.B \-
.\"O Left justify all fields.
.\"O The default is right justification.
¤¹¤Ù¤Æ¤Î¥Õ¥£¡¼¥ë¥É¤òº¸µÍ¤á¤Ë¤¹¤ë¡£¥Ç¥Õ¥©¥ë¥È¤Ï±¦µÍ¤á¡£
.LP
.\"O Next, there may be a field width: a decimal digit string specifying
.\"O a minimum field width in bytes.
.\"O The default is 0.
.\"O A result smaller than this width is padded with spaces
.\"O (on the left, unless the left-justify flag was given).
¼¡¤Î°ÌÃ֤ˤϡ¢¥Õ¥£¡¼¥ë¥É¤ÎÉý¤ò»ØÄê¤Ç¤­¤ë¡£
10 ¿Ê¤Î¿ôÃÍʸ»úÎó¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤ÎºÇ¾®Éý¤ò¥Ð¥¤¥Èñ°Ì¤Ç»ØÄꤹ¤ë¡£
¥Ç¥Õ¥©¥ë¥È¤Ï 0¡£
·ë²Ì¤¬¤³¤ÎÉý¤è¤ê¤â¶¹¤¯¤Ê¤Ã¤¿¾ì¹ç¤Ë¤Ï¡¢
ÉÔ­ʬ¤¬¥¹¥Ú¡¼¥¹¤ÇËä¤á¤é¤ì¤ë
(º¸µÍ¤á¥Õ¥é¥°¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ðº¸Â¦¤¬Ëä¤á¤é¤ì¤ë)¡£
.LP
.\"O Next, there may be a left precision of the form "#" followed by
.\"O a decimal digit string.
.\"O If the number of digits left of the
.\"O radix character is smaller than this, the representation is
.\"O padded on the left with the numeric fill character.
.\"O Grouping characters are not counted in this field width.
¼¡¤Î°ÌÃ֤ˤϡ¢"#" ¤Ë 10 ¿Ê¿ôÃÍʸ»úÎó¤ò³¤±¤¿·Á¼°¤Ç¡¢
º¸ÀºÅÙ (left precision) ¤ò»ØÄê¤Ç¤­¤ë¡£
Ä̲ߤδð¿ôÅÀ (radix) ¤è¤êº¸Â¦¤Î¿ôÃͤηå¿ô¤¬¤³¤Î»ØÄê¤è¤ê¾®¤µ¤¤¾ì¹ç¤Ï¡¢
¿ôÃÍËä¤áʸ»ú¤Çº¸Â¦¤¬Ëä¤á¤é¤ì¤ë¡£
¤³¤Î¥Õ¥£¡¼¥ë¥ÉÉý¤Î»ØÄê¤Ç¤Ï¡¢¥°¥ë¡¼¥×²½Ê¸»ú¤Ï¥«¥¦¥ó¥È¤µ¤ì¤Ê¤¤¡£
.LP
.\"O Next, there may be a right precision of the form "." followed by
.\"O a decimal digit string.
.\"O The amount being formatted is rounded to
.\"O the specified number of digits prior to formatting.
.\"O The default is specified in the
.\"O .I frac_digits
.\"O and
.\"O .I int_frac_digits
.\"O items of the current locale.
.\"O If the right precision is 0, no radix character is printed.
.\"O (The radix character here is determined by
.\"O .BR LC_MONETARY ,
.\"O and may differ from that specified by
.\"O .BR LC_NUMERIC .)
¼¡¤Î°ÌÃ֤ˤϡ¢"." ¤Ë 10 ¿Ê¿ôÃÍʸ»úÎó¤ò³¤±¤¿·Á¼°¤Ç¡¢
±¦ÀºÅÙ (right precision) ¤ò»ØÄê¤Ç¤­¤ë¡£
À°·Á¤µ¤ì¤ë¿ôÃͤϡ¢À°·ÁÁ°¤Ë¤³¤Î·å¿ô¤Ë´Ý¤á¤é¤ì¤ë¡£
¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¥«¥ì¥ó¥È¥í¥±¡¼¥ë¤Î
.I frac_digits
¤È
.I int_frac_digits
¤Î»ØÄê¤òÍѤ¤¤ë¡£
±¦ÀºÅÙ¤¬ 0 ¤Î¾ì¹ç¤Ï¡¢´ð¿ôÅÀʸ»ú (radix character) ¤Ï°õ»ú¤µ¤ì¤Ê¤¤
(¤³¤³¤Ç¤Î´ð¿ôÅÀʸ»ú¤Ï
.B LC_MONETARY
¤ÇÄêµÁ¤µ¤ì¤Æ¤ª¤ê¡¢
.B LC_NUMERIC
¤Î»ØÄê¤È¤Ï°Û¤Ê¤Ã¤Æ¤¤¤Æ¤â¤è¤¤)¡£
.LP
.\"O Finally, the conversion specification must be ended with a
.\"O conversion character.
.\"O The three conversion characters are
ºÇ¸å¤Ë¡¢ÊÑ´¹»ØÄê¤ÏÊÑ´¹Ê¸»ú (conversion character)
¤Ç½ªÎ»¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
ÊÑ´¹Ê¸»ú¤Ë¤Ï°Ê²¼¤Î 3 ¤Ä¤¬¤¢¤ë¡£
.TP
.B %
.\"O (In this case the entire specification must be exactly "%%".)
.\"O Put a \(aq%\(aq character in the result string.
(¤³¤Î¾ì¹ç¤Ï»ØÄêÁ´ÂΤ¬ "%%" ¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£)
·ë²Ì¤Îʸ»úÎó¤Ë \(aq%\(aq ʸ»ú¤ò½ñ¤­¤³¤à¡£
.TP
.B i
.\"O One argument of type
.\"O .I double
.\"O is converted using the locale's international currency format.
.I double
·¿¤Î°ú¤­¿ô¤Ò¤È¤Ä¤¬¡¢
¥í¥±¡¼¥ë¤Î¹ñºÝÄ̲ߥե©¡¼¥Þ¥Ã¥È (international currency format)
¤òÍѤ¤¤ÆÊÑ´¹¤µ¤ì¤ë¡£
.TP
.B n
.\"O One argument of type
.\"O .I double
.\"O is converted using the locale's national currency format.
.I double
·¿¤Î°ú¤­¿ô¤Ò¤È¤Ä¤¬¡¢
¥í¥±¡¼¥ë¤Î¹ñÆâÄ̲ߥե©¡¼¥Þ¥Ã¥È (national currency format)
¤òÍѤ¤¤ÆÊÑ´¹¤µ¤ì¤ë¡£
.\"O .SH "RETURN VALUE"
.SH ÊÖ¤êÃÍ
.\"O The
.\"O .BR strfmon ()
.\"O function returns the number of characters placed
.\"O in the array \fIs\fP, not including the terminating null byte,
.\"O provided the string, including the terminating null byte, fits.
.\"O Otherwise, it sets
.\"O .I errno
.\"O to
.\"O .BR E2BIG ,
.\"O returns \-1, and the contents of the array is undefined.
.BR strfmon ()
´Ø¿ô¤Ï¡¢·ë²Ì¤Îʸ»úÎ󤬽ªÃ¼¤Î NULL ¥Ð¥¤¥È¤ò´Þ¤á¤ÆÇÛÎó
.I s
¤Ë¼ý¤Þ¤Ã¤¿¾ì¹ç¤Ë¤Ï¡¢
.I s
¤Ë½ñ¤­¤³¤Þ¤ì¤¿Ê¸»ú¿ô¤òÊÖ¤¹¡£NULL ¥Ð¥¤¥È¤Ïʸ»ú¿ô¤ËÆþ¤é¤Ê¤¤¡£
¤½¤ì°Ê³°¤Î¾ì¹ç¤Ë¤Ï¡¢
.I errno
¤Ë
.B E2BIG
¤òÀßÄꤷ¤Æ \-1 ¤òÊÖ¤¹¡£
¤³¤Î¾ì¹ç¤ÎÇÛÎó¤ÎÆâÍƤÏ̤ÄêµÁ¤Ç¤¢¤ë¡£
.\"O .SH "CONFORMING TO"
.SH ½àµò
.\"O Not in POSIX.1-2001.
.\"O Present on several other systems.
POSIX.1-2001 ¤Ë¤Ï¤Ê¤¤¡£
¾¤Î¤¤¤¯¤Ä¤«¤Î¥·¥¹¥Æ¥à¤Ë¸ºß¤¹¤ë¡£
.\"O .SH EXAMPLE
.SH Îã
.\"O The call
.in +4n
.nf

strfmon(buf, sizeof(buf), "[%^=*#6n] [%=*#6i]",
        1234.567, 1234.567);

.fi
.in
¤Î¤è¤¦¤Ê´Ø¿ô¥³¡¼¥ë¤Î½ÐÎϤϡ¢¥ª¥é¥ó¥À¤Î¥í¥±¡¼¥ë¤Ç¤Ï°Ê²¼¤Î¤è¤¦¤Ê½ÐÎϤˤʤ롣
.\"O outputs
.in +4n

[ fl **1234,57] [ NLG  **1 234,57]

.in
.\"O in the Dutch locale (with fl for "florijnen" and NLG for Netherlands Guilders).
(fl ¤Ï "florijnen" ¤Î°Õ¡£NLG ¤Ï Netherlands Guilder¡£)
.\"O The grouping character is very ugly because it takes as much space
.\"O as a digit, while it should not take more than half that,
.\"O and will no doubt cause confusion.
.\"O Surprisingly, the "fl" is preceded and followed by a space,
.\"O and "NLG" is preceded by one and followed by two spaces.
.\"O This may be a bug in the locale files.
.\"O The Italian, Australian, Swiss
.\"O and Portuguese locales yield
¥°¥ë¡¼¥×²½Ê¸»ú¤òÍѤ¤¤ë¤ÈÈó¾ï¤Ë½¹¤¯¤Ê¤ë¡£
Ʊ»þ¤Ë´Ö°ã¤¤¤Ê¤¯º®Íð¤Î¸¶°ø¤Ë¤â¤Ê¤Ã¤Æ¤·¤Þ¤¦¤À¤í¤¦¡£
¤³¤ì¤Ï¿ôÃͤÎȾʬ°Ê²¼¤ÎÉý¤Ç¤¢¤ë¤Ù¤­¤À¤¬¡¢
¿ôÃͤÈƱ¤¸¤À¤±¤ÎÉý¤ò¼è¤Ã¤Æ¤·¤Þ¤¦¤«¤é¤Ç¤¢¤ë¡£
¤Ò¤É¤¤¤³¤È¤Ë¡¢ "fl" ¤ÎÁ°¸å¤Ë¤Ï¥¹¥Ú¡¼¥¹¤¬Æþ¤Ã¤Æ¤·¤Þ¤¤¡¢
¤Þ¤¿ "NLG" ¤ÎÁ°¤Ë¤Ï 1 ¤Ä¡¢¸å¤Ë¤Ï 2 ¤Ä¤Î¥¹¥Ú¡¼¥¹¤¬ÃÖ¤«¤ì¤Æ¤¤¤ë¡£
¤³¤ì¤Ï¥í¥±¡¼¥ë¥Õ¥¡¥¤¥ë¤Î¥Ð¥°¤Ç¤¢¤í¤¦¡£
¥¤¥¿¥ê¥¢¡¦¥ª¡¼¥¹¥È¥é¥ê¥¢¡¦¥¹¥¤¥¹¡¦¥Ý¥ë¥È¥¬¥ë¤Î
³Æ¥í¥±¡¼¥ë¤Ç¤Î·ë²Ì¤Ï°Ê²¼¤Î¤è¤¦¤Ë¤Ê¤ë¡£
.in +4n

[ L. **1235] [ ITL  **1.235]
.br
[ $**1234.57] [ AUD **1,234.57]
.br
[Fr. **1234,57] [CHF  **1.234,57]
.br
[ **1234$57Esc] [ **1.234$57PTE ]
.in
.\"O .SH "SEE ALSO"
.SH ´ØÏ¢¹àÌÜ
.BR setlocale (3),
.BR sprintf (3),
.BR locale (7)