glibc/stdio-common/tstgetln.c

45 lines
1.2 KiB
C

/* Copyright (C) 1992-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
int
main (int argc, char *argv[])
{
char *buf = NULL;
size_t size = 0;
ssize_t len;
while ((len = getline (&buf, &size, stdin)) != -1)
{
printf ("bufsize %Zu; read %Zd: ", size, len);
if (fwrite (buf, len, 1, stdout) != 1)
{
perror ("fwrite");
return 1;
}
}
if (ferror (stdin))
{
perror ("getline");
return 1;
}
return 0;
}