Linux Certif

Toute la documentation sur la certification Linux LPI

getfsent

̾Á°

getfsent, getfsspec, getfsfile, setfsent, endfsent - fstab ¥¨¥ó¥È¥ê¤Î½èÍý

½ñ¼°

#include <fstab.h>

void endfsent(void);

struct fstab *getfsent(void);

struct fstab *getfsfile(const char *mount_point);

struct fstab *getfsspec(const char *special_file);

int setfsent(void);

ÀâÌÀ

¤³¤ì¤é¤Î´Ø¿ô¤Ï /etc/fstab ¥Õ¥¡¥¤¥ë¤«¤é¾ðÊó¤òÆɤ߹þ¤à¡£fstab ¹½Â¤ÂΤϼ¡¤Î¤è¤¦¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë¡£

struct fstab {

     char *fs_spec;          /* block device name */

     char *fs_file;          /* mount point */

     char *fs_vfstype;       /* filesystem type */

     char *fs_mntops;        /* mount options */

     const char *fs_type;    /* rw/rq/ro/sw/xx option */

     int fs_freq;            /* dump frequency, in days */

     int fs_passno;          /* pass number on parallel dump */

};

*BSD ¥·¥¹¥Æ¥à¤Î¾ì¹ç¡¢ fs_type ¥Õ¥£¡¼¥ë¥É¤Ë¤Ï¡¢5 ¤Ä¤Îʸ»úÎó "rw", "rq", "ro", "sw", "xx" ¤Î¤¤¤º¤ì¤«¤¬Æþ¤ë (¤½¤ì¤¾¤ì read-write, quota ÉÕ¤­ read-write, read-only, swap, ignore)¡£

´Ø¿ô setfsent() ¤Ï¸Æ¤Ó½Ð¤µ¤ì¤ë¤È fstab ¥Õ¥¡¥¤¥ë¤ò¥ª¡¼¥×¥ó¤·¡¢ ºÇ½é¤Î¹Ô¤Ë°ÜÆ°¤¹¤ë¡£

´Ø¿ô getfsent() ¤Ï fstab ¥Õ¥¡¥¤¥ë¤«¤é¼¡¤Î¹Ô¤ò¥Ñ¡¼¥¹¤¹¤ë (ɬÍפʾì¹ç¤Ï¥Õ¥¡¥¤¥ë¤ò¥ª¡¼¥×¥ó¤¹¤ë)¡£

´Ø¿ô endfsent() ¤Ï¸Æ¤Ó½Ð¤µ¤ì¤ë¤È fstab ¥Õ¥¡¥¤¥ë¤ò¥¯¥í¡¼¥º¤¹¤ë¡£

´Ø¿ô getfsspec() ¤Ï fstab ¥Õ¥¡¥¤¥ë¤òÀèƬ¤«¤é¸¡º÷¤·¡¢ fs_spec ¥Õ¥£¡¼¥ë¥É¤¬ special_file °ú¿ô¤Ë¥Þ¥Ã¥Á¤¹¤ë¥¨¥ó¥È¥ê¤¬¸«¤Ä¤«¤Ã¤¿¤é¡¢¤½¤ÎºÇ½é¤Î¤â¤Î¤òÊÖ¤¹¡£

´Ø¿ô getfsfile() ¤Ï fstab ¥Õ¥¡¥¤¥ë¤òÀèƬ¤«¤é¸¡º÷¤·¡¢ fs_file ¥Õ¥£¡¼¥ë¥É¤¬ mount_point °ú¿ô¤Ë¥Þ¥Ã¥Á¤¹¤ë¥¨¥ó¥È¥ê¤¬¸«¤Ä¤«¤Ã¤¿¤é¡¢¤½¤ÎºÇ½é¤Î¤â¤Î¤òÊÖ¤¹¡£

ÊÖ¤êÃÍ

À®¸ù¤¹¤ë¤È¡¢ getfsent(), getfsfile(), getfsspec() ¤Î³Æ´Ø¿ô¤Ï fstab ¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¤òÊÖ¤·¡¢ setfsent() ´Ø¿ô¤Ï 1 ¤òÊÖ¤¹¡£ ¼ºÇÔ¤¹¤ë¤È¤³¤ì¤é¤Î´Ø¿ô¤Ï NULL ¤òÊÖ¤·¡¢ end-of-file ¤Ë¤Ê¤Ã¤¿¤é 0 ¤òÊÖ¤¹¡£

½àµò

POSIX.1-2001 ¤Ë¤Ï¤³¤ì¤é¤Î´Ø¿ô¤Ï¸ºß¤·¤Ê¤¤¡£ ¤³¤ì¤é¤Î´Ø¿ô¤ò¤â¤Ä OS ¤Ï¤¤¤¯¤Ä¤«¤¢¤ê¡¢ *BSD, SunOS, Digital Unix, AIX Åù¤Ç¤¢¤ë (AIX ¤Ë¤Ï getfstype() ¤â¤¢¤ë)¡£ HP-UX ¤Ë¤âƱ̾¤Î´Ø¿ô·²¤¬¤¢¤ë¤¬¡¢ HP-UX ¤Î¤â¤Î¤Ï fstab ¹½Â¤ÂΤǤϤʤ¯ checklist ¹½Â¤ÂΤòÍѤ¤¤ë¡£ ¤Þ¤¿¤³¤ì¤é¤Î´Ø¿ô¤Î¸Æ¤Ó½Ð¤·¤Ï obsolete ¤Ç¡¢ getmntent(3) ¤Ë¼è¤Ã¤ÆÂå¤ï¤é¤ì¤Æ¤¤¤ë¡£

Ãí°Õ

¤³¤ì¤é¤Î´Ø¿ô¤Ï¥¹¥ì¥Ã¥É¥»¡¼¥Õ¤Ç¤Ï¤Ê¤¤¡£

Linux ¤Ç¤Ï¥Ö¥í¥Ã¥¯¥¹¥Ú¥·¥ã¥ë¥Ç¥Ð¥¤¥¹¤òÊ£¿ô¤Î¾ì½ê¤Ë¥Þ¥¦¥ó¥È¤Ç¤­¡¢ ¤Þ¤¿Ê£¿ô¤Î¥Ç¥Ð¥¤¥¹¤¬Æ±¤¸¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤ò¶¦Í­¤Ç¤­¤ë (¤³¤Î¾ì¹ç¤Ï¤½¤Î¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤ËºÇ¸å¤Ë¥Þ¥¦¥ó¥È¤µ¤ì¤¿¥Ç¥Ð¥¤¥¹¤¬°ÕÌ£¤ò»ý¤Ä) ¤¬¡¢ getfsfile() ¤È getfsspec() ¤Ï¥Þ¥Ã¥Á¤·¤¿ºÇ½é¤Î¥¨¥ó¥È¥ê¤·¤«ÊÖ¤µ¤Ê¤¤¤Î¤Ç¡¢ ¤³¤ì¤é¤Î 2 ¤Ä¤Î´Ø¿ô¤Ï Linux ¤Ç¤ÎÍøÍѤˤÏŬ¤·¤Æ¤¤¤Ê¤¤¡£

´ØÏ¢¹àÌÜ

getmntent(3), fstab(5)