GETDENTS

Section: ¸®´ª½º ÇÁ·Î±×·¡¸Ó ¸Þ´º¾ó (2)
Updated: 1995³â 7¿ù 22ÀÏ
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À̸§

getdents - µð·ºÅ丮 ¿£Æ®¸®¸¦ °¡Á®¿Â´Ù.  

»ç¿ë¹ý

#include <unistd.h>
#include <linux/types.h>
#include <linux/dirent.h>
#include <linux/unistd.h>

_syscall3(int, getdents, uint, fd, struct dirent *, dirp, uint, count);

int getdents(unsigned int fd, struct dirent *dirp, unsigned int count);
 

¼³¸í

getdents´Â fd°¡ °¡¸®Å°´Â µð·ºÅ丮¿¡¼­ ¿©·¯ dirent ±¸Á¶Ã¼À» Àоî¿Í dirp°¡ °¡¸®Å°´Â ¸Þ¸ð¸® °ø°£¿¡ ÀúÀåÇÑ´Ù. count ÀÎÀÚ´Â ¸Þ¸ð¸® °ø°£ÀÇ Å©±âÀÌ´Ù.

dirent ±¸Á¶Ã¼´Â ´ÙÀ½°ú °°´Ù:

struct dirent
{
    long d_ino;                 /* inode ¹øÈ£ */
    off_t d_off;                /* ´ÙÀ½ dirent¿¡ ´ëÇÑ ¿É¼Â */
    unsigned short d_reclen;    /* ÀÌ direntÀÇ ±æÀÌ */
    char d_name [NAME_MAX+1];   /* (null·Î ³¡³ª´Â) ÆÄÀÏ À̸§ */
}

d_ino´Â inode ¹øÈ£ÀÌ´Ù. d_off´Â ÇöÀç µð·ºÅ丮 ½ÃÀÛºÎÅÍ ´ÙÀ½ dirent ½ÃÀÛ ±îÁöÀÇ ¿É¼Â(offset)ÀÌ´Ù. d_reclen´Â ÀÌ direntÀÇ Àüü Å©±âÀÌ´Ù. d_name´Â null·Î ³¡³ª´Â ÆÄÀÏ À̸§ÀÌ´Ù.

ÀÌ ½Ã½ºÅÛ ÄÝÀº readdir(2)¸¦ ´ëüÇÑ´Ù.  

¹Ýȯ°ª

¼º°ø½Ã, ÀÐÀº ¹ÙÀÌÆ®ÀÇ ¼ö°¡ ¸®ÅϵȴÙ. µð·ºÅ丮ÀÇ ³¡¿¡¼­, 0ÀÌ ¸®ÅϵȴÙ. ¿¡·¯½Ã, -1ÀÌ ¸®ÅϵǸç, errno´Â Àû´çÇÑ °ªÀ¸·Î ¼³Á¤µÈ´Ù.  

¿¡·¯

EBADF
À¯È¿ÇÏÁö ¾ÊÀº ÆÄÀÏ ±â¼úÀÚ fd.
EFAULT
ÀÎÀÚ°¡ È£ÃâÇÑ ÇÁ·Î¼¼½ºÀÇ ÁÖ¼Ò °ø°£À» ¹þ¾î³­ °÷À» °¡¸®Å²´Ù.
EINVAL
°á°ú ¹öÆÛ°¡ ³Ê¹« ÀÛ´Ù.
ENOENT
±×·± µð·ºÅ丮°¡ ¾ø´Ù.
ENOTDIR
ÆÄÀÏ ±â¼úÀÚ°¡ µð·ºÅ丮¸¦ ÂüÁ¶ÇÏ°í ÀÖÁö ¾Ê´Ù.
 

ȣȯ

SVr4, SVID. SVr4 ¹®¼­¿¡¼­´Â ENOLINK, EIO ¿¡·¯ »óÅ°¡ Ãß°¡µÇÀÖ´Ù.  

°ü·Ã Ç׸ñ

readdir(2), readdir(3)  

¿ªÀÚ

Á¤°­ÈÆ <skyeyes@soback.kornet.net>, 2000³â 5¿ù 2ÀÏ


 

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Time: 08:06:58 GMT, March 25, 2004