error

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Version: 2006-04-25 (openSuse - 09/10/07)

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Section: 3 (Bibliothèques de fonctions)

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error, error_at_line, error_message_count, error_on_per_line, error_print_progname - glibc ¤Î¥¨¥é¡¼½ñ¤­½Ð¤·´Ø¿ô

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#include <error.h>



void error(int status, int errnum, const char *format, ...);



void error_at_line(int status, int errnum, const char *filename,

                   unsigned int linenum, const char *format, ...);



extern unsigned int error_message_count;



extern int error_one_per_line;



extern void (* error_print_progname) (void);


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error() ¤Ç½ÐÎϤµ¤ì¤ë¥×¥í¥°¥é¥à̾¤Ï¡¢Âç°èÊÑ¿ô program_invocation_name(3) ¤ÎÃͤǤ¢¤ë¡£ program_invocation_name ¤Î½é´üÃÍ¤Ï main() ¤Î argv[0] ¤ÎÃͤÈÅù¤·¤¤¡£ ¤³¤ÎÊÑ¿ô¤ÎÃͤÏÊѹ¹²Äǽ¤Ç¤¢¤ê¡¢Êѹ¹¤¹¤ë¤È error() ¤Î½ÐÎϤ¬ÊѤï¤ë¡£

status ¤¬ 0 °Ê³°¤Î¾ì¹ç¡¢ error() ¤Ï exit(3) ¤ò¸Æ¤Ó½Ð¤·¤Æ¡¢»ØÄꤵ¤ì¤¿½ªÎ»¥¹¥Æ¡¼¥¿¥¹¤Ç¥×¥í¥°¥é¥à¤ò½ªÎ»¤µ¤»¤ë¡£

error_at_line() ´Ø¿ô¤Ï¡¢°ú¤­¿ô filename ¤È linenum ¤¬Äɲ䵤ì¤Æ¤¤¤ë°Ê³°¤Ï¡¢ error() ¤ÈƱ¤¸¤Ç¤¢¤ë¡£ À¸À®¤µ¤ì¤ë½ÐÎϤϡ¢¥×¥í¥°¥é¥à̾¤Î¸å¤Ë ¥³¥í¥ó¡¦filename ¤ÎÃÍ¡¦¥³¥í¥ó¡¦linenum ¤ÎÃͤ¬½ñ¤­½Ð¤µ¤ì¤ë°Ê³°¤Ï¡¢ error() ¤ÈƱ¤¸¤Ç¤¢¤ë¡£ ¥×¥ê¥×¥í¥»¥Ã¥µ¤ÎÃÍ __LINE__ ¤È __FILE__ ¤Ï¡¢ error_at_line() ¤ò¸Æ¤Ó½Ð¤¹¤È¤­¤ËÌò¤ËΩ¤Ä¡£ ¤½¤Î¾¤Î¥×¥ê¥×¥í¥»¥Ã¥µ¤ÎÃͤâ»È¤¦¤³¤È¤¬¤Ç¤­¤ë¡£ Î㤨¤Ð¡¢¤³¤ì¤é¤Î°ú¤­¿ô¤ÇÆþÎÏ¥Õ¥¡¥¤¥ë¤Ë¤ª¤±¤ë°ÌÃÖ¤ò»²¾È¤Ç¤­¤ë¡£

Âç°èÊÑ¿ô error_one_per_line ¤¬ 0 °Ê³°¤ËÀßÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢ filename ¤È linenum ¤ÎÃͤ¬¶¦¤ËÅù¤·¤¤ error_at_line() ¤Î¸Æ¤Ó½Ð¤·¤Ï¡¢ 1 ¤Ä¤Î (ºÇ½é¤Î) ¥á¥Ã¥»¡¼¥¸¤Î½ÐÎϤˤޤȤá¤é¤ì¤ë¡£

Âç°èÊÑ¿ô error_message_count ¤Ï¡¢ error() ¤È error_at_line() ¤Ç½ÐÎϤµ¤ì¤¿¥á¥Ã¥»¡¼¥¸¤Î¿ô¤òɽ¤¹¡£

Âç°èÊÑ¿ô error_print_progname ¤Ë ´Ø¿ô¤Î¥¢¥É¥ì¥¹¤¬³ä¤êÅö¤Æ¤é¤ì¤Æ¤¤¤ë¾ì¹ç (¤Ä¤Þ¤ê NULL ¤Ç¤Ï¤Ê¤¤¾ì¹ç)¡¢ ¥á¥Ã¥»¡¼¥¸¤ÎÁ°¤Ë¥×¥í¥°¥é¥à̾¤È¥³¥í¥ó¤ò½ñ¤­½Ð¤¹¤Î¤Ç¤Ï¤Ê¤¯¡¢ ¤³¤Î´Ø¿ô¤ò¸Æ¤Ó½Ð¤¹¡£ ¤³¤Î´Ø¿ô¤Ïɸ½à¥¨¥é¡¼½ÐÎÏ (stderr) ¤ËÂФ·¤Æ¤ÎŬÀÚ¤Êʸ»úÎó¤ò½ñ¤­½Ð¤µ¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£

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err(3), errno(3), exit(3), perror(3), program_invocation_name(3), strerror(3)