mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 14:20:07 +00:00
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* Write a string to a file.
|
|
Copyright (C) 2017-2024 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
#include <support/check.h>
|
|
#include <support/xunistd.h>
|
|
|
|
void
|
|
support_write_file_string (const char *path, const char *contents)
|
|
{
|
|
int fd = xopen (path, O_CREAT | O_TRUNC | O_WRONLY, 0666);
|
|
const char *end = contents + strlen (contents);
|
|
for (const char *p = contents; p < end; )
|
|
{
|
|
ssize_t ret = write (fd, p, end - p);
|
|
if (ret < 0)
|
|
FAIL_EXIT1 ("cannot write to \"%s\": %m", path);
|
|
if (ret == 0)
|
|
FAIL_EXIT1 ("zero-length write to \"%s\"", path);
|
|
p += ret;
|
|
}
|
|
xclose (fd);
|
|
}
|