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.\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl)
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Japanese Version Copyright (c) 2004 Yuichi SATO
.\" all rights reserved.
.\" Translated Sun Aug 8 00:53:40 JST 2004
.\" by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.TH GETPWENT_R 3 2003-11-15 "GNU" "Linux Programmer's Manual"
.SH ̾
getpwent_r, fgetpwent_r \- ѥɥեΥȥꥨȥ (reentrant) ˼Ф
.SH
.nf
.B "#define _GNU_SOURCE"
.br
.B #include <pwd.h>
.sp
.BI "int getpwent_r(struct passwd *" pwbuf ", char *" buf ,
.br
.BI " size_t " buflen ", struct passwd **" pwbufp );
.sp
.BI "int fgetpwent_r(FILE *" fp ", struct passwd *" pwbuf ", char *" buf ,
.br
.BI " size_t " buflen ", struct passwd **" pwbufp );
.SH
ؿ
.B getpwent_r()
.B fgetpwent_r()
.BR getpwent (3)
.BR fgetpwent (3)
ΥꥨȥǤǤ롣
Ԥϡ
.BR setpwent (3)
ˤäƽ줿ȥफ顢Υѥɥȥɤ߹ࡣ
Ԥϡ
.I fp
ȤͿ줿ȥफ顢Υѥɥȥɤ߹ࡣ
.PP
\fIpasswd\fP ¤Τ
.I <pwd.h>
ˤưʲΤ褦Ƥ:
.sp
.RS
.nf
struct passwd {
char *pw_name; /* 桼̾ */
char *pw_passwd; /* 桼Υѥ */
uid_t pw_uid; /* 桼 ID */
gid_t pw_gid; /* 롼 ID */
char *pw_gecos; /* ºݤ̾ */
char *pw_dir; /* ۡǥ쥯ȥ */
char *pw_shell; /* ץ */
};
.fi
.RE
.sp
ꥨȥȤǤʤؿŪʳǼΰؤΥݥ֤
ŪʳǼΰˤϡ˥桼̾ѥɡgecos եɡ
ۡǥ쥯ȥꡦؤΥݥޤޤ롣
ƤꥨȥȤʴؿϡ
ƤӽФ¦Хåե˥桼̾ʤƤ֤
ǽΰȤ struct passwd ݻǤХåե
.I pwbuf
롣
ˤ¾ʸݻǤ륵
.I buflen
ΥХåե
.I buf
롣
δؿη (ȥफɤ߹ޤ줿 struct passwd) ϡ
줿Хåե
.RI * pwbuf
˳Ǽ졢 struct passwd ؤΥݥ
.RI * pwbufp
֤롣
.SH ֤
硢δؿ 0 ֤
.RI * pwbufp
struct passwd ؤΥݥȤʤ롣
顼ξ硢δؿϥ顼֤ͤ
.RI * pwbufp
NULL ˤʤ롣
.SH 顼
.TP
.B ENOENT
Υȥ꤬ʤ
.TP
.B ERANGE
ʬʥХåե֤ͿƤʤ
ä礭ʥХåեǺټ¹Ԥ뤳ȡ
.SH
.nf
#define _GNU_SOURCE
#include <pwd.h>
#include <stdio.h>
#define BUFLEN 4096
int main() {
struct passwd pw, *pwp;
char buf[BUFLEN];
int i;
setpwent();
while (1) {
i = getpwent_r(&pw, buf, BUFLEN, &pwp);
if (i)
break;
printf("%s (%d)\etHOME %s\etSHELL %s\en",
pwp->pw_name, pwp->pw_uid,
pwp->pw_dir, pwp->pw_shell);
}
endpwent();
return 0;
}
.fi
.\" ֤顼åɲäơstrerror_r Ȥ٤
.\" #include <errno.h>
.\" #include <stdlib.h>
.\" if (i) {
.\" if (i == ENOENT)
.\" break;
.\" printf("getpwent_r: %s", strerror(i));
.\" exit(1);
.\" }
.SH
δؿ GNU ĥǤꡢPOSIX Ǥδؿ
.BR getpwnam_r (3)
η˻Ƥ롣
¾ΥƥǤϥץȥ
.sp
.nf
.in +4
struct passwd *
getpwent_r(struct passwd *pwd, char *buf, int buflen);
.in
.fi
.sp
ȤƤ롣
ɤΤǤϡ
.sp
.nf
.in +4
int
getpwent_r(struct passwd *pwd, char *buf, int buflen,
FILE **pw_fp);
.in
.fi
.sp
ȤƤ롣
.SH
ؿ
.B getpwent_r()
ΥꥨȥȤǤϤʤ
ʤʤ顢ȥɤ߹֤߰
¾ƤΥåɤȶͭƤ뤿Ǥ롣
.SH Ϣ
.BR fgetpwent (3),
.BR getpw (3),
.BR getpwent (3),
.BR getpwnam (3),
.BR getpwuid (3),
.BR putpwent (3),
.BR passwd (5)
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