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.\" Copyright (c) 2001 John Levon <moz@compsoc.man.ac.uk>
.\" Based in part on GNU libc documentation
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\" License.
.\"
.\" Japanese Version Copyright (c) 2001 Yuichi SATO
.\" all rights reserved.
.\" Translated 2001-11-09, Yuichi SATO <ysato@h4.dion.ne.jp>
.\" Updated 2006-07-20, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.34
.\"
.\"WORD: delimiter ڤʸ
.\"
.TH GETLINE 3 2006-05-17 "GNU" "Linux Programmer's Manual"
.SH ̾
getline, getdelim \- ڤʸޤǤʸϤɤ߹
.SH
.nf
.B #define _GNU_SOURCE
.B #include <stdio.h>
.sp
.BI "ssize_t getline(char **" lineptr ", size_t *" n ", FILE *" stream );
.br
.BI "ssize_t getdelim(char **" lineptr ", size_t *" n ", int " delim ", FILE *" stream );
.SH
.BR getline ()
\fIstream\fP 1 Ƥɤ߹ߡƥȤޤޤƤХåեΥɥ쥹
.I "*lineptr"
˳Ǽ롣
Хåեϥ̥ʸ (\e0) ǽü롣
ʸĤäϡʸХåե˳Ǽ롣
.\" FIXME *lineptr NULL 뤬 *n 0 ǤʤϤɤʤΤ ?
.\" : *n ̵뤵ơХåեݤ롣
.I "*lineptr"
NULL ξ硢
.BR getline ()
ϹԤƤǼ뤿ΥХåեݤ롣
ΥХåեϥ桼ΥץDz٤Ǥ롣
̤ˡȤơ
.BR getline ()
ƤӽФݤˡ
.IR "*lineptr"
.BR malloc ()
dzݤ礭
.I "*n"
ХȤΥХåեؤΥݥϤȤǤ롣
ɤ߹ԤݻΤ˽ʬʥХåեʤ硢
.BR getline ()
.BR realloc ()
ȤäƥХåեΥѹɬפ˱
.I "*lineptr"
.I "*n"
롣
ɤξǤ⡢ƤӽФȤˤϡ
.I "*lineptr"
.I "*n"
ХåեΥɥ쥹ȳƤȿǤͤ˹롣
.BR getdelim ()
.BR getline ()
Ʊ褦ư뤬ʸʳζڤʸ
.I delim
˻ꤹ뤳ȤǤ롣
.BR getline ()
Ʊͤˡե뽪üãޤǤϹԤ˶ڤʸդʤϡ
ڤʸХåեɲäʤ
.SH ֤
硢
.BR getline ()
.BR getdelim ()
ɤ߹ʸ֤
ʸˤ϶ڤʸޤबü˻Ȥ NULL ХȤϴޤޤʤ
ͤˤäơɤ߹Ԥ˴ޤޤ NULL ХȤ뤳ȤǤ롣
ɤδؿ⡢Ԥɤ߹ߤ˼Ԥˤ \-1 ֤
(եνüãˤ \-1 ֤)
.SH 顼
.TP
.B EINVAL
ѥǤ
.RI ( n
ޤ
.I lineptr
NULL Ǥ롣
⤷
.I stream
ͭǤʤ)
.SH
.nf
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
FILE * fp;
char * line = NULL;
size_t len = 0;
ssize_t read;
fp = fopen("/etc/motd", "r");
if (fp == NULL)
exit(EXIT_FAILURE);
while ((read = getline(&line, &len, fp)) != \-1) {
printf("Retrieved line of length %zu :\en", read);
printf("%s", line);
}
if (line)
free(line);
return EXIT_SUCCESS;
}
.fi
.SH
.BR getline ()
.BR getdelim ()
ϡȤ GNU ˤĥǤ롣
δؿ libc 4.6.27 ʹߤǻѲǽǤ롣
.SH Ϣ
.BR read (2),
.BR fgets (3),
.BR fopen (3),
.BR fread (3),
.BR gets (3),
.BR scanf (3)
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