mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-29 05:51:10 +00:00
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* read with error checking and retries.
|
|
Copyright (C) 2023-2024 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 <support/xunistd.h>
|
|
|
|
#include <support/check.h>
|
|
|
|
void
|
|
xread (int fd, void *buffer, size_t length)
|
|
{
|
|
char *p = buffer;
|
|
char *end = p + length;
|
|
while (p < end)
|
|
{
|
|
ssize_t ret = read (fd, p, end - p);
|
|
if (ret < 0)
|
|
FAIL_EXIT1 ("read of %zu bytes failed after %td: %m",
|
|
length, p - (char *) buffer);
|
|
p += ret;
|
|
}
|
|
}
|