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CHDIR
Section: Linux Programmer's Manual (2)Updated: 21 August 1997
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chdir, fchdir - ºî¶È¥Ç¥£¥ì¥¯¥È¥ê¤ÎÊѹ¹½ñ¼°
#include <unistd.h>
int chdir(const char *path);
int fchdir(int fd);
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chdir ¤Ï¡¢¥«¥ì¥ó¥È¥Ç¥£¥ì¥¯¥È¥ê¤ò path ¤Ë»ØÄꤵ¤ì¤¿¥Ç¥£¥ì¥¯¥È¥ê¤ËÊѹ¹¤¹¤ë¡£fchdir ¤Ï¥Ç¥£¥ì¥¯¥È¥ê¤Î»ØÄê¤Ë¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼¤ò »ØÄꤹ¤ë¤³¤È°Ê³°¡¢ chdir ¤ÈƱ¤¸¤Ç¤¢¤ë¡£
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À®¸ù¤¹¤ë¤È¡¢0¤òÊÖ¡£¼ºÇÔ¤¹¤ë¤È¡¢-1¤òÊÖ¤·¡¢ errno ¤ËŬÀÚ¤ÊÃͤò¥»¥Ã¥È¤¹¤ë¡£¥¨¥é¡¼
¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¤è¤Ã¤Æ¤Ï¾¤Î¥¨¥é¡¼¤¬ÊÖ¤µ¤ì¤ë»ö¤¬¤¢¤ë¡£ chdir ¤Ç°ìÈÌŪ¤Ê¥¨¥é¡¼¤ò°Ê²¼¤Ëµó¤²¤ë:- EFAULT
- path ¤Ï³ä¤êÅö¤Æ¤é¤ì¤¿¥¢¥É¥ì¥¹¶õ´Ö³°¤ò»Ø¤·¤Æ¤¤¤ë¡£
- ENAMETOOLONG
- path ¤¬Ä¹²á¤®¤ë¡£
- ENOENT
- ¤½¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ï¸ºß¤·¤Ê¤¤¡£
- ENOMEM
- ¥«¡¼¥Í¥ë¤Ë½½Ê¬¤Ê¥á¥â¥ê¤¬¤Ê¤¤¡£
- ENOTDIR
- path ¤Î¹½À®Í×ÁǤ¬¥Ç¥£¥ì¥¯¥È¥ê¤Ç¤Ï¤Ê¤¤¡£
- EACCES
- path ¤Î¹½À®Í×ÁǤ˸¡º÷µö²Ä(search permission)¤¬¤Ê¤¤¡£
- ELOOP
- path ¤ò²ò·è¤¹¤ëºÝ¤ËÁø¶ø¤·¤¿¥·¥ó¥Ü¥ê¥Ã¥¯¡¦¥ê¥ó¥¯¤¬Â¿²á¤®¤ë¡£ EIO I/O ¥¨¥é¡¼¤¬È¯À¸¤·¤¿¡£
fchdir ¤Ç°ìÈÌŪ¤Ê¥¨¥é¡¼¤ò°Ê²¼¤Ëµó¤²¤ë:
- EBADF
- fd ¤¬Å¬Àڤʥե¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¡¼¤Ç¤Ê¤¤¡£
- EACCES
- fd ¤ò¥Ç¥£¥ì¥¯¥È¥ê¤È¤·¤Æ¥ª¡¼¥×¥ó¤¹¤ë¤¿¤á¤Î¸¡º÷µö²Ä¤¬¤Ê¤¤¡£
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fchdir ¤Î¥×¥í¥È¥¿¥¤¥×¤Ï _BSD_SOURCE ¤òÄêµÁ¤·¤¿¾ì¹ç¤Ë¤Î¤ß͸ú¤Ë¤Ê¤ë¡£ (ÌÀ¼¨Åª¤Ë¤â¤·¤¯¤Ï°ÅÌÛ¤Ë _POSIX_SOURCE ¤òÄêµÁ¤»¤º¡¢-ansi ¥Õ¥é¥°¤ò »ØÄꤷ¤Æ¥³¥ó¥Ñ¥¤¥ë¤·¤Ê¤±¤ì¤Ð _BSD_SOURCE ¤¬¼«Æ°Åª¤ËÄêµÁ¤µ¤ì¤ë)½àµò
chdir ¤Ï SVr4, SVID, POSIX, X/OPEN, 4.4BSD ¤È¸ß´¹À¤¬¤¢¤ë¡£ SVr4 ¤Ë¤Ï¾¤Ë EINTR, ENOLINK, EMULTIHOP ¥¨¥é¡¼¾õÂ֤ˤĤ¤¤Æ¤Îµ½Ò¤¬¤¢¤ë¡£ ¤·¤«¤· ENOMEM ¤Ë¤Ä¤¤¤Æ¤Ï¤Ê¤¤¡£POSIX.1 ¤Ë¤Ï ENOMEM, ELOOP ¥¨¥é¡¼¤Ë¤Ä¤¤¤Æ ¤Îµ½Ò¤Ï¤Ê¤¤¡£X/OPEN ¤Ë¤Ï EFAULT, ENOMEM, EIO ¥¨¥é¡¼¾õÂÖ¤¬¤Ê¤¤¡£fchdir ¤Ï SVr4, 4.4BSD, X/OPEN ¤È¸ß´¹À¤¬¤¢¤ë¡£SVr4 ¤Ë¤Ï¾¤Ë EIO, EINTR, ENOLINK ¥¨¥é¡¼¾õÂ֤ˤĤ¤¤Æ¤Îµ½Ò¤¬¤¢¤ë¡£X/OPEN ¤Ë¤Ï¾¤Ë EINTR, EIO ¥¨¥é¡¼¾õÂÖ¤Ë ¤Ä¤¤¤Æ¤Îµ½Ò¤¬¤¢¤ë¡£
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getcwd(3), chroot(2)