Linux Certif

Toute la documentation sur la certification Linux LPI

strfmon

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#include <monetary.h>

ssize_t strfmon(char *s, size_t max, const char *format, ...);

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strfmon() ´Ø¿ô¤Ï¡¢»ØÄꤵ¤ì¤¿¿ôÎ̤ò format ¤Ç»ØÄꤵ¤ì¤¿¥Õ¥©¡¼¥Þ¥Ã¥È¤Ë¤·¤¿¤¬¤Ã¤ÆÀ°·Á¤·¡¢ ·ë²Ì¤ò¥µ¥¤¥º max ¤Îʸ»úÇÛÎó s ¤Ë½ñ¤­¤³¤à¡£

format Ãæ¤ÎÄ̾ï¤Îʸ»ú¤Ï¡¢ÊÑ´¹¤µ¤ì¤º¤Ë¤½¤Î¤Þ¤Þ s ¤Ë¥³¥Ô¡¼¤µ¤ì¤ë¡£ÊÑ´¹»ØÄê¤Ï `%' ʸ»ú¤Ç»Ï¤Þ¤ë¡£ ¤³¤Îľ¸å¤Ë¤Ï¡¢°Ê²¼¤Î¥Õ¥é¥°¤ò 0 ¸Ä°Ê¾å³¤±¤ë¤³¤È¤¬¤Ç¤­¤ë¡£

=f

1 ¥Ð¥¤¥Èʸ»ú 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¡£

^

¸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¡£

( ¤Þ¤¿¤Ï +

( ¥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 "-" ¤òÃÖ¤¯¡¢¤Ê¤É)¡£

!

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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)¡£

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¤¤¡£

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 frac_digits ¤È 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 LC_MONETARY ¤ÇÄêµÁ¤µ¤ì¤Æ¤ª¤ê¡¢ LC_NUMERIC ¤Î»ØÄê¤È¤Ï°Û¤Ê¤Ã¤Æ¤¤¤Æ¤â¤è¤¤)¡£

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¡£

%

(¤³¤Î¾ì¹ç¤Ï»ØÄêÁ´ÂΤ¬ "%%" ¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£) ·ë²Ì¤Îʸ»úÎó¤Ë `%' ʸ»ú¤ò½ñ¤­¤³¤à¡£

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¡£

n

double ·¿¤Î°ú¤­¿ô¤Ò¤È¤Ä¤¬¡¢ ¥í¥±¡¼¥ë¤Î¹ñÆâÄ̲ߥե©¡¼¥Þ¥Ã¥È (national currency format) ¤òÍѤ¤¤ÆÊÑ´¹¤µ¤ì¤ë¡£

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strfmon() ´Ø¿ô¤Ï¡¢·ë²Ì¤Îʸ»úÎ󤬽ªÃ¼¤Î NULL ¥Ð¥¤¥È¤ò´Þ¤á¤ÆÇÛÎó s ¤Ë¼ý¤Þ¤Ã¤¿¾ì¹ç¤Ë¤Ï¡¢ 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¡¢ errno ¤Ë E2BIG ¤òÀßÄꤷ¤Æ -1 ¤òÊÖ¤¹¡£ ¤³¤Î¾ì¹ç¤ÎÇÛÎó¤ÎÆâÍƤÏ̤ÄêµÁ¤Ç¤¢¤ë¡£

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POSIX.1-2001 ¤Ë¤Ï¤Ê¤¤¡£ ¾¤Î¤¤¤¯¤Ä¤«¤Î¥·¥¹¥Æ¥à¤Ë¸ºß¤¹¤ë¡£

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

        1234.567, 1234.567);

¤Î¤è¤¦¤Ê´Ø¿ô¥³¡¼¥ë¤Î½ÐÎϤϡ¢¥ª¥é¥ó¥À¤Î¥í¥±¡¼¥ë¤Ç¤Ï°Ê²¼¤Î¤è¤¦¤Ê½ÐÎϤˤʤ롣

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

(fl ¤Ï "florijnen" ¤Î°Õ¡£NLG ¤Ï Netherlands Guilder¡£) ¥°¥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¡£

[ L. **1235] [ ITL **1.235]
[ $**1234.57] [ AUD **1,234.57]
[Fr. **1234,57] [CHF **1.234,57]
[ **1234$57Esc] [ **1.234$57PTE ]

´ØÏ¢¹àÌÜ

setlocale(3), sprintf(3), locale(7)